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BacteriochlorophyllsRhodobacter sphaeroidesPheophytinsChloroflexusPhotosynthetic Reaction Center Complex ProteinsLight-Harvesting Protein ComplexesChlorobiBacterial ChromatophoresChlorophyllPhotosynthesisSpectrophotometryPhotochemotherapyPhotosensitizing AgentsPatents as TopicDihematoporphyrin EtherPorphyrinsAminolevulinic AcidHematoporphyrin PhotoradiationPhytolPubMedRhodospirillumRhodopseudomonasPeriodicals as TopicChromatiumOrganosilicon CompoundsSpectrum Analysis, RamanEnergy TransferMacrocyclic CompoundsEcosystemCarbon CycleBacteriochlorophyll ALeptospira interrogans serovar pomonaSeawaterWyomingHot SpringsWolvesSulfolobalesArchaeal VirusesBisonMontanaNative Polyacrylamide Gel ElectrophoresisChlorobiumAccess to InformationJournal Impact FactorPeer Review, ResearchPublishingBook Reviews as TopicBook Reviews
Bacteriochlorophylls
Pyrrole containing pigments found in photosynthetic bacteria.
Rhodobacter sphaeroides
Spherical phototrophic bacteria found in mud and stagnant water exposed to light.
Pheophytins
Chlorophylls from which the magnesium has been removed by treatment with weak acid.
Chloroflexus
A genus of green nonsulfur bacteria in the family Chloroflexaceae. They are photosynthetic, thermophilic, filamentous gliding bacteria found in hot springs.
Photosynthetic Reaction Center Complex Proteins
Protein complexes that take part in the process of PHOTOSYNTHESIS. They are located within the THYLAKOID MEMBRANES of plant CHLOROPLASTS and a variety of structures in more primitive organisms. There are two major complexes involved in the photosynthetic process called PHOTOSYSTEM I and PHOTOSYSTEM II.
Light-Harvesting Protein Complexes
Complexes containing CHLOROPHYLL and other photosensitive molecules. They serve to capture energy in the form of PHOTONS and are generally found as components of the PHOTOSYSTEM I PROTEIN COMPLEX or the PHOTOSYSTEM II PROTEIN COMPLEX.
Chlorobi
A phylum of anoxygenic, phototrophic bacteria including the family Chlorobiaceae. They occur in aquatic sediments, sulfur springs, and hot springs and utilize reduced sulfur compounds instead of oxygen.
Bacterial Chromatophores
Organelles of phototrophic bacteria which contain photosynthetic pigments and which are formed from an invagination of the cytoplasmic membrane.
Chlorophyll
Porphyrin derivatives containing magnesium that act to convert light energy in photosynthetic organisms.
Photosynthesis
The synthesis by organisms of organic chemical compounds, especially carbohydrates, from carbon dioxide using energy obtained from light rather than from the oxidation of chemical compounds. Photosynthesis comprises two separate processes: the light reactions and the dark reactions. In higher plants; GREEN ALGAE; and CYANOBACTERIA; NADPH and ATP formed by the light reactions drive the dark reactions which result in the fixation of carbon dioxide. (from Oxford Dictionary of Biochemistry and Molecular Biology, 2001)
Spectrophotometry
The art or process of comparing photometrically the relative intensities of the light in different parts of the spectrum.
Photochemotherapy
Therapy using oral or topical photosensitizing agents with subsequent exposure to light.
Photosensitizing Agents
Drugs that are pharmacologically inactive but when exposed to ultraviolet radiation or sunlight are converted to their active metabolite to produce a beneficial reaction affecting the diseased tissue. These compounds can be administered topically or systemically and have been used therapeutically to treat psoriasis and various types of neoplasms.
Patents as Topic
Exclusive legal rights or privileges applied to inventions, plants, etc.
Dihematoporphyrin Ether
The purified component of HEMATOPORPHYRIN DERIVATIVE, it consists of a mixture of oligomeric porphyrins. It is used in photodynamic therapy (HEMATOPORPHYRIN PHOTORADIATION); to treat malignant lesions with visible light and experimentally as an antiviral agent. It is the first drug to be approved in the use of PHOTODYNAMIC THERAPY in the United States.
Porphyrins
A group of compounds containing the porphin structure, four pyrrole rings connected by methine bridges in a cyclic configuration to which a variety of side chains are attached. The nature of the side chain is indicated by a prefix, as uroporphyrin, hematoporphyrin, etc. The porphyrins, in combination with iron, form the heme component in biologically significant compounds such as hemoglobin and myoglobin.
Aminolevulinic Acid
A compound produced from succinyl-CoA and GLYCINE as an intermediate in heme synthesis. It is used as a PHOTOCHEMOTHERAPY for actinic KERATOSIS.
Hematoporphyrin Photoradiation
Photochemotherapy using visible light, usually red, topically or delivered locally by fiberoptic probe to tissues sensitized with hematoporphyrins.
Phytol
PubMed
A bibliographic database that includes MEDLINE as its primary subset. It is produced by the National Center for Biotechnology Information (NCBI), part of the NATIONAL LIBRARY OF MEDICINE. PubMed, which is searchable through NLM's Web site, also includes access to additional citations to selected life sciences journals not in MEDLINE, and links to other resources such as the full-text of articles at participating publishers' Web sites, NCBI's molecular biology databases, and PubMed Central.
Rhodospirillum
A genus of gram-negative, spiral bacteria that possesses internal photosynthetic membranes. Its organisms divide by binary fission, are motile by means of polar flagella, and are found in aquatic environments.
Rhodopseudomonas
A genus of gram-negative, rod-shaped, phototrophic bacteria found in aquatic environments. Internal photosynthetic membranes are present as lamellae underlying the cytoplasmic membrane.
Periodicals as Topic
A publication issued at stated, more or less regular, intervals.
Chromatium
A genus of gram-negative, ovoid to rod-shaped bacteria that is phototrophic. All species use ammonia as a nitrogen source. Some strains are found only in sulfide-containing freshwater habitats exposed to light while others may occur in marine, estuarine, and freshwater environments.
Organosilicon Compounds
Organic compounds that contain silicon as an integral part of the molecule.
Spectrum Analysis, Raman
Analysis of the intensity of Raman scattering of monochromatic light as a function of frequency of the scattered light.
Energy Transfer
The transfer of energy of a given form among different scales of motion. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed). It includes the transfer of kinetic energy and the transfer of chemical energy. The transfer of chemical energy from one molecule to another depends on proximity of molecules so it is often used as in techniques to measure distance such as the use of FORSTER RESONANCE ENERGY TRANSFER.
Macrocyclic Compounds
Cyclic compounds with a ring size of approximately 1-4 dozen atoms.
Ecosystem
A functional system which includes the organisms of a natural community together with their environment. (McGraw Hill Dictionary of Scientific and Technical Terms, 4th ed)
Carbon Cycle
The cycle by which the element carbon is exchanged between organic matter and the earth's physical environment.
Bacteriochlorophyll A
A specific bacteriochlorophyll that is similar in structure to chlorophyll a.
Leptospira interrogans serovar pomona
A serovar of the bacterial species LEPTOSPIRA INTERROGANS, whose primary hosts include CATTLE and SWINE.
Seawater
The salinated water of OCEANS AND SEAS that provides habitat for marine organisms.
Wyoming
Hot Springs
Habitat of hot water naturally heated by underlying geologic processes. Surface hot springs have been used for BALNEOLOGY. Underwater hot springs are called HYDROTHERMAL VENTS.
Wolves
Any of several large carnivorous mammals of the family CANIDAE that usually hunt in packs.
Sulfolobales
An order of CRENARCHAEOTA consisting of aerobic or facultatively aerobic, chemolithotrophic cocci which are extreme thermoacidophiles. They lack peptidoglycan in their cell walls.
Archaeal Viruses
Viruses whose hosts are in the domain ARCHAEA.
Bison
A genus of the family Bovidae having two species: B. bison and B. bonasus. This concept is differentiated from BUFFALOES, which refers to Bubalus arnee and Syncerus caffer.
Montana
Native Polyacrylamide Gel Electrophoresis
Polyacrylamide gel electrophoresis under conditions in which the components, such as PROTEINS, being separated can remain in their naturally folded state.
Chlorobium
A genus of phototrophic, obligately anaerobic bacteria in the family Chlorobiaceae. They are found in hydrogen sulfide-containing mud and water environments.
Access to Information
Individual's rights to obtain and use information collected or generated by others.
Journal Impact Factor
A quantitative measure of the frequency on average with which articles in a journal have been cited in a given period of time.
Peer Review, Research
The evaluation by experts of the quality and pertinence of research or research proposals of other experts in the same field. Peer review is used by editors in deciding which submissions warrant publication, by granting agencies to determine which proposals should be funded, and by academic institutions in tenure decisions.
Publishing
"The business or profession of the commercial production and issuance of literature" (Webster's 3d). It includes the publisher, publication processes, editing and editors. Production may be by conventional printing methods or by electronic publishing.
Book Reviews as Topic
Critical analyses of books or other monographic works.
Book Reviews

Roseovarius tolerans gen. nov., sp. nov., a budding bacterium with variable bacteriochlorophyll a production from hypersaline Ekho Lake. (1/358)

Eight Gram-negative, aerobic, pointed and budding bacteria were isolated from various depths of the hypersaline, heliothermal and meromictic Ekho Lake (Vestfold Hills, East Antarctica). The cells contained storage granules and daughter cells could be motile. Bacteriochlorophyll a was sometimes produced, but production was repressed by constant dim light. The strains tolerated a wide range of temperature, pH, concentrations of artificial seawater and NaCl, but had an absolute requirement for sodium ions. Glutamate was metabolized with and without an additional source of combined nitrogen. The dominant fatty acid was C18:1; other characteristic fatty acids were C18:2, C12:0 2-OH, C12:1 3-OH, C16:1, C16:0 and C18:0. The main polar lipids were diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylglycerol and phosphatidylcholine. The DNA G+C base composition was 62-64 mol%. 16S rRNA gene sequence comparisons showed that the isolates were phylogenetically close to the genera Antarctobacter, 'Marinosulfonomonas', Octadecabacter, Sagittula, Sulfitobacter and Roseobacter. Morphological, physiological and genotypic differences to these previously described and distinct genera support the description of a new genus and a new species, Roseovarius tolerans gen. nov., sp. nov. The type strain is EL-172T (= DSM 11457T).  (+info)

Rubrimonas cliftonensis gen. nov., sp. nov., an aerobic bacteriochlorophyll-containing bacterium isolated from a saline lake. (2/358)

Phenotypic and phylogenetic studies were performed with two strains (OCh 317T and OCh 318; T = type strain) of aerobic chemoheterotrophic bacteriochlorophyll-containing bacteria isolated from water of a saline lake located on the west coast of Australia. Both strains were Gram-negative, short rods and were motile by means of polar flagella. Catalase, oxidase, nitrate reductase, phosphatase and urease were produced. The cells utilized D-glucose, citrate, glycolate, pyruvate and ethanol. Acids were produced from L-arabinose, D-fructose, D-galactose, D-glucose, D-ribose and D-xylose. The strains could grow in media containing 0.5-7.5% NaCl. Bacteriochlorophyll a was synthesized under aerobic conditions. The results of 16S rRNA gene sequence comparisons revealed that strain OCh 317T represented a new lineage in the alpha-3 group of the class Proteobacteria. Strains OCh 317T and OCh 318 were identified as strains of the same species because of their very similar phenotypic characteristics and their previously described high DNA-DNA homology. Therefore, it was concluded that the two strains should be assigned to a new genus and species, for which the name Rubrimonas cliftonensis is proposed. The type strain is OCh 317T (= JCM 10189T).  (+info)

Multiple pathways for ultrafast transduction of light energy in the photosynthetic reaction center of Rhodobacter sphaeroides. (3/358)

A pathway of electron transfer is described that operates in the wild-type reaction center (RC) of the photosynthetic bacterium Rhodobacter sphaeroides. The pathway does not involve the excited state of the special pair dimer of bacteriochlorophylls (P*), but instead is driven by the excited state of the monomeric bacteriochlorophyll (BA*) present in the active branch of pigments along which electron transfer occurs. Pump-probe experiments were performed at 77 K on membrane-bound RCs by using different excitation wavelengths, to investigate the formation of the charge separated state P+HA-. In experiments in which P or BA was selectively excited at 880 nm or 796 nm, respectively, the formation of P+HA- was associated with similar time constants of 1.5 ps and 1. 7 ps. However, the spectral changes associated with the two time constants are very different. Global analysis of the transient spectra shows that a mixture of P+BA- and P* is formed in parallel from BA* on a subpicosecond time scale. In contrast, excitation of the inactive branch monomeric bacteriochlorophyll (BB) and the high exciton component of P (P+) resulted in electron transfer only after relaxation to P*. The multiple pathways for primary electron transfer in the bacterial RC are discussed with regard to the mechanism of charge separation in the RC of photosystem II from higher plants.  (+info)

Kinetics of photoacclimation in cultures of Chromatium vinosum DSM 185 during shifts in light irradiance. (4/358)

Continuous cultures of Chromatium vinosum DSM 185 were shifted from a high to a low irradiance (67 to 4 microE m(-2) s(-1)) and vice versa (4 to 67 microE m(-2) s(-1)). The kinetics of photoacclimation of the cultures were analysed during these transitions until steady state was reached. When irradiance was shifted from 4 to 67 microE m(-2) s(-1), bacteriochlorophyll synthesis halted for 4 h. During this period, pigments were progressively diluted in the newly formed biomass, resulting in a lower specific pigment content. The specific growth rate of the organisms did not change immediately after the shift, but rather underwent a gradual increase during the following 10 h. This transition was accompanied by a transient increase in the levels of glycogen, indicating that CO2 fixation rates increased immediately after the shift, and that unused photosynthate was stored as glycogen. The shift from a high to a low irradiance was characterized by an immediate drop in the specific growth rate to virtually zero, and by comparatively sharp decreases in the specific rates of sulfur and sulfide oxidation and in the specific rate of glycogen accumulation. The specific content of bacteriochlorophyll a increased during the first 10 h. During the same period the specific content of glycogen decreased.  (+info)

Roseateles depolymerans gen. nov., sp. nov., a new bacteriochlorophyll a-containing obligate aerobe belonging to the beta-subclass of the Proteobacteria. (5/358)

Strains 61AT (T = type strain) and 61B2, the first bacteriochlorophyll (BChl) a-containing obligate aerobes to be classified in the beta-subclass of the Proteobacteria, were isolated from river water. The strains were originally isolated as degraders of poly(hexamethylene carbonate) (PHC). The organisms can utilize PHC and some other biodegradable plastics. The strains grow only under aerobic conditions. Good production of BChl a and caroterioid pigments is achieved on PHC agar plates and an equivalent production is observed under oligotrophic conditions on agar medium. Spectrometric results suggest that BChl a is present in light-harvesting complex I and the photochemical reaction centre. The main carotenoids are spirilloxanthin and its precursors. Analysis of the 16S rRNA gene sequence indicated that the phylogenetic positions of the two strains are similar to each other and that their closest relatives are the genera Rubrivivax, ideonella and Leptothrix with similarities of 96.3, 96.2 and 96.1%, respectively. The cells are motile, straight rods and contain poly-beta-hydroxybutyrate granules. Ubiquinone-8 is the predominant quinone. Vitamins are not required for growth. The G + C content of genomic DNA is 66.2-66.3 mol%. Genetic and phenotypic features suggest that the strains represent a new genus in the beta-subclass which is evenly distant from known genera. Consequently, the name Roseateles depolymerans gen. nov., sp. nov. is proposed for the strains; the type strain of Roseateles depolymerans is strain 61AT (= DSM 11813T).  (+info)

Roseivivax halodurans gen. nov., sp. nov. and Roseivivax halotolerans sp. nov., aerobic bacteriochlorophyll-containing bacteria isolated from a saline lake. (6/358)

Phenotypic and phylogenetic studies were performed with two strains (OCh 239T and OCh 210T, T = type strain) of aerobic bacteriochlorophyll-containing bacteria isolated from the charophytes and the epiphytes on the stromatolites, respectively, of a saline lake located on the west coast of Australia. Both strains were chemoheterotrophic, Gram-negative and motile rods with subpolar flagella. Catalase and oxidase were produced. ONPG reaction was positive. Cells utilized D-glucose, acetate, butyrate, citrate, DL-lactate, DL-malate, pyruvate, succinate, L-aspartate and L-glutamate. Acids were produced from D-fructose and D-glucose. Bacteriochlorophyll a was synthesized under aerobic conditions. Strain OCh 239T had nitrate reductase and phosphatase. Acids were produced from L-arabinose, D-galactose, lactose, maltose, D-ribose and sucrose. The strain could grow in 0-20.0% (w/v) NaCl. Strain OCh 210T had urease. Hydrolysis of gelatin was positive. Acids were produced from D-xylose. The strain could grow in 0.5-20.0% (w/v) NaCl. The results of 16S rRNA sequence comparisons revealed that strains OCh 239T and OCh 210T formed a new cluster within the alpha-3 group of the alpha subclass of the class Proteobacteria. The similarity value of the 16S rRNA sequences between strains OCh 239T and OCh 210T was 95.8%. Therefore, it was concluded that these two strains should be placed in a new genus, Roseivivax gen. nov., as the new species Roseivivax halodurans sp. nov. and Roseivivax halotolerans sp. nov. The type species of the genus is Roseivivax halodurans. The type strains of Roseivivax halodurans and Roseivivax halotolerans are OCh 239T (= JCM 10272T) and OCh 210T (= JCM 10271T), respectively.  (+info)

Thiorhodospira sibirica gen. nov., sp. nov., a new alkaliphilic purple sulfur bacterium from a Siberian soda lake. (7/358)

A new purple sulfur bacterium was isolated from microbial films on decaying plant mass in the near-shore area of the soda lake Malyi Kasytui (pH 9.5, 0.2% salinity) located in the steppe of the Chita region of south-east Siberia. Single cells were vibrioid- or spiral-shaped (3-4 microns wide and 7-20 microns long) and motile by means of a polar tuft of flagella. Internal photosynthetic membranes were of the lamellar type. Lamellae almost filled the whole cell, forming strands and coils. Photosynthetic pigments were bacteriochlorophyll a and carotenoids of the spirilloxanthin group. The new bacterium was strictly anaerobic. Under anoxic conditions, hydrogen sulfide and elemental sulfur were used as photosynthetic electron donors. During growth on sulfide, sulfur globules were formed as intermediate oxidation products. They were deposited outside the cytoplasm of the cells, in the peripheral periplasmic space and extracellularly. Thiosulfate was not used. Carbon dioxide, acetate, pyruvate, propionate, succinate, fumarate and malate were utilized as carbon sources. Optimum growth rates were obtained at pH 9.0 and optimum temperature was 30 degrees C. Good growth was observed in a mineral salts medium containing 5 g sodium bicarbonate l-1 without sodium chloride. The new bacterium tolerated up to 60 g sodium chloride l-1 and up to 80 g sodium carbonates l-1. Growth factors were not required. The DNA G + C composition was 56.0-57.4 mol%. Based on physiological, biochemical and genetic characteristics, the newly isolated bacterium is recognized as a new species of a new genus with the proposed name Thiorhodospira sibirica.  (+info)

Bacteriochlorin-protein interactions in native B800-B850, B800 deficient and B800-Bchla(p)-reconstituted complexes from Rhodopseudomonas acidophila, strain 10050. (8/358)

Recently, a method which allows the selective release and removal of the 800 nm absorbing bacteriochlorophyll a (B800) molecules from the LH2 complex of Rhodopseudomonas acidophila strain 10050 has been described [Fraser, N.J. (1999) Ph.D. Thesis, University of Glasgow, UK]. This procedure also allows the reconstitution of empty binding sites with the native pigment Bchla(p), esterified with phytol. We have investigated the bacteriochlorophylla-protein interactions in native, B800 deficient (or B850) and in B8110-bacteriochlorophylla(p)-reconstituted LH2 complexes by resonance Raman spectroscopy. We present the first direct structural evidence which shows that the reconstituted pigments are correctly bound within their binding pockets.  (+info)

Microbiology Society Journals | Blastomonas aquatica sp. nov., a bacteriochlorophyll-containing bacterium isolated from lake...Microbiology Society Journals | Blastomonas aquatica sp. nov., a bacteriochlorophyll-containing bacterium isolated from lake...
Yellow or orange-to-brown pigmented, ovoid or rod-shaped, Gram-negative staining, aerobic strains PE 4-5T and N5-10 m-1 were isolated from brackish water in Lake Peng Co and fresh to brackish water in Lake Namtso on the Tibetan Plateau, China. Bacteriochlorophyll a was produced by the isolates. The predominant cellular fatty acids were C16 : 1, C17 : 1 and C18 : 1 unsaturated fatty acids, C17 : 1ω6c (55.3 %), C17 : 1ω8c (13.0 %) and C18 : 1ω7c (10.4 %) for PE 4-5T and C18 : 1ω7c (54.7 %) and C16 : 1ω7c (18.0 %) for N5-10 m-1. The polar lipid profiles of strains PE 4-5T and N5-10 m-1 were composed of diphosphatidylglycerol, phosphatidylcholine (not detected in N5-10 m-1), phosphatidyldimethylethanolamine, phosphatidylethanolamine, phosphatidylmonomethylethanolamine, phosphatidylglycerol, sphingoglycolipid and an unknown phospholipid. The predominant respiratory quinone was ubiquinone Q10 and the DNA G+C content was 66.0 mol% for both strains. The16S rRNA gene sequence of strain PE 4-5T shared 99.0 %
http://ijs.microbiologyresearch.org/content/journal/ijsem/10.1099/ijs.0.000153
Chlorophylls and BacteriochlorophyllsChlorophylls and Bacteriochlorophylls
www.MOLUNA.de Chlorophylls and Bacteriochlorophylls [4093768] - The first dedicated new work since 1991, this book reviews recent progress and current studies in the chemistry, metabolism and spectroscopy of chlorophylls, bacteriochlorophylls and their protein complexes. Also discussed is progress on the applications of chlorophylls as photosensitizers in photodynamic therapy of cancerous tumours, and as molecular probes in
https://www.moluna.de/buch/4093768-chlorophylls+and+bacteriochlorophylls/
De novo synthesis and properties of analogues of the self-assembling chlorosomal bacteriochlorophylls - New Journal of...De novo synthesis and properties of analogues of the self-assembling chlorosomal bacteriochlorophylls - New Journal of...
Natural photosynthetic pigments bacteriochlorophyllsc, d and e in green bacteria undergo self-assembly to create an organized antenna system known as the chlorosome, which collects photons and funnels the resulting excitation energy toward the reaction centers. Mimicry of chlorosome function is a central pro
https://pubs.rsc.org/en/Content/ArticleLanding/2011/NJ/C1NJ20611G
Bacterial antenna complex - WikipediaBacterial antenna complex - Wikipedia
Bacterial antenna complex proteins are the main light-absorbing components in photosynthetic bacteria. Also known as a light-harvesting complex/system, the bacterial antenna complex is responsible for the transfer of solar energy to the photosynthetic reaction centre. The bacterial antenna complexes of all photosynthetic bacteria have similar features. They consist of light-absorbing pigments that are either non-covalently associated with integral proteins in the case of purple photosynthetic bacteria and cyanobacteria, or present in chlorosomes in the case of green photosynthetic bacteria. The light-absorbing pigments in chlorosomes do not associate with integral proteins for assembly. Green and purple photosynthetic bacteria utilize different bacteriochlorophyll molecules while cyanobacteria contain chlorophyll, the light-absorbing pigments found in plants. Purple photosynthetic bacteria, particularly Rhodopseudomonos acidophilia of purple non-sulfur bacteria, have been one of the main groups ...
https://en.wikipedia.org/wiki/Bacterial_antenna_complex
Bacteriochlorophyll | Open Access articles | Open Access journals | Conference Proceedings | Editors | Authors | Reviewers |...Bacteriochlorophyll | Open Access articles | Open Access journals | Conference Proceedings | Editors | Authors | Reviewers |...
Bacteriochlorophylls are photosynthetic pigments that occur in various phototrophic bacteria. They were discovered by C. B. van Niel in 1932. They are related to chlorophylls, which are the primary pigments in plants, algae, and cyanobacteria. Groups that contain bacteriochlorophyll conduct photosynthesis, but do not produce oxygen. They use wavelengths of light not absorbed by plants or Cyanobacteria. Different groups contain different types of bacteriochlorophyll: ...
http://research.omicsgroup.org/index.php/Bacteriochlorophyll
Third order nonlinear optical properties of stacked bacteriochlorophylls in bacterial photosynthetic light-harvesting proteins ...Third order nonlinear optical properties of stacked bacteriochlorophylls in bacterial photosynthetic light-harvesting proteins ...
Enhancement of the nonresonant second order molecular hyperpolarizabilities {gamma} were observed in stacked macrocyclic molecular systems, previously in a {micro}-oxo silicon phthalocyanine (SiPcO) monomer, dimer and trimer series, and now in bacteriochlorophyll a (BChla) arrays of light harvesting (LH) proteins. Compared to monomeric BChla in a tetrahydrofuran (THF) solution, the |{gamma}| for each macrocycle was enhanced in naturally occurring stacked macrocyclic molecular systems in the bacterial photosynthetic LH proteins where BChla`s are arranged in tilted face-to-face arrays. In addition, the {gamma} enhancement is more significant in B875 of LH1 than in B850 in LH2. Theoretical modeling of the nonresonant {gamma} enhancement using simplified molecular orbitals for model SiPcO indicated that the energy level of the two photon state is crucial to the {gamma} enhancement when a two photon process is involved, whereas the charge transfer between the monomers is largely responsible when one photon
https://digital.library.unt.edu/ark:/67531/metadc695372/
Bedömning av hjärtpåverkan hos patienter med cytostatikabehandling : Global strain och ejektionsfraktion för vänster kammare...Bedömning av hjärtpåverkan hos patienter med cytostatikabehandling : Global strain och ejektionsfraktion för vänster kammare...
Bedömning av hjärtpåverkan hos patienter med cytostatikabehandling: Global strain och ejektionsfraktion för vänster kammare som metoder att bedöma hjärtpåverkan hos patienter som behandlas med hjärttoxisk cancerbehandling ...
http://umu.diva-portal.org/smash/record.jsf?pid=diva2:737235
BIOCHEMISTRY (BCHM) | Roosevelt UniversityBIOCHEMISTRY (BCHM) | Roosevelt University
BCHM 493 - BIOCHEMISTRY SEMINAR. This course primarily involves searching, reading, and critiquing primary literature on biochemical topics, learning how to give a technical seminar, and presenting a seminar to technical audience. Weekly assignments will consist of reading, discussing, and writing short reviews of recent biochemical research published in the literature. You will learn how to give a technical presentation by attending and critiquing seminars presented by speakers within and outside of the Roosevelt community, and by preparing and giving a presentation on a literature topic of your choice.. Credits: 1. Course Notes: BCHM 355/BCHM 455 or BCHM 357/BCHM 457 or BIOL 453 or, BIOL 458 recommended. Graduate standing. ...
https://catalog.roosevelt.edu/graduate/courses/bchm/
Pump-probe spectroscopy and circular dichroism of nanocrystalline benzophenone-towards absolute kinetic measurements in solid...Pump-probe spectroscopy and circular dichroism of nanocrystalline benzophenone-towards absolute kinetic measurements in solid...
Nanocrystals suspended in water can be used to record steady state and pump-probe absorption spectra, which should be useful for the study of excited states and reactive intermediates in the solid state.
https://pubs.rsc.org/en/content/articlelanding/2007/CC/b709166d
Green bacteria can harvest light energy - RedorbitGreen bacteria can harvest light energy - Redorbit
said Pennsylvania State University Professor Donald Bryant, one of the teams leaders. Bryant said green bacteria are a group of organisms that generally live in extremely low-light environments, such as in light-deprived regions of hot springs and at depths of about 325 feet in the Black Sea.. The bacteria contain structures called chlorosomes, which contain up to 250,000 chlorophylls.. ...
http://www.redorbit.com/news/science/1682186/green_bacteria_can_harvest_light_energy/
Research On The Green Bacteria stock photo | iStockResearch On The Green Bacteria stock photo | iStock
Download this Research On The Green Bacteria photo now. And search more of the webs best library of royalty-free stock images from iStock.
https://www.istockphoto.com/photo/research-on-the-green-bacteria-gm174669628-8853035?st=527aa9f
strain OCh 149 Strain Passport - StrainInfostrain OCh 149 Strain Passport - StrainInfo
This Histri was built automatically but not manually verified. As a consequence, the Histri can be incomplete or can contain errors ...
http://www.straininfo.net/strains/57702
Efficacy and Safety Study of TOOKAD® Soluble for Localised Prostate Cancer Compared to Active Surveillance. (PCM301) - Renal...Efficacy and Safety Study of TOOKAD® Soluble for Localised Prostate Cancer Compared to Active Surveillance. (PCM301) - Renal...
A look at the following clinical trial: Efficacy and Safety Study of TOOKAD® Soluble for Localised Prostate Cancer Compared to Active Surveillance. (PCM301)
http://www.renalandurologynews.com/prostate-cancer-clinical-trials/efficacy-and-safety-study-of-tookad-soluble-for-localised-prostate-cancer-compared-to-active-surveillance-pcm301/article/207514/
Durchsuchen nach PersonenDurchsuchen nach Personen
Zinth, Wolfgang; Dressler, K.; Hamm, P.; Buchanan, S. und Michel, H. (1994): Is there a bacteriochlorophyll anion in the primary electron transfer of reaction centers? In: Wiersma, D.A. (Hrsg.): Femtosecond Reaction Dynamics. Amsterdam: North Holland Publishing Company. S. 245-253 [PDF, 1MB] ...
https://epub.ub.uni-muenchen.de/view/autoren/Wiersma=3AD=2EA=2E=3A=3A.date.html
R f rences webibliographiquesR f rences webibliographiques
Evaluation des enfants de r fugi s et d immigrants : r le du d pistage des parasites www.cps.ca/francais/enonces/ID/id94-07.htm. R sistance b talactamine. R sistance aux b talactamines www.biomath.jussieu.fr/bacterio/betalact/index.html. Lignes directrices pour l valuation de la sensibilit des Enterobacteriaceae r sistants aux antibiotiques cause des b-lactamases spectre tendu (BLSE) et le signalement des cas www.hc-sc.gc.ca/hpb/lcdc/bmb/ceqaagar/esb198_f.html. R sistance m thicilline. Le contr le du staphylocoque dor r sistant la m thicilline dans les tablissements p diatriques canadiens est toujours d actualit www.cps.ca/francais/enonces/ID/id99-03.htm. Lignes directrices pour l valuation de la sensibilit aux antimicrobiens de Staphylococcus aureus r sistant la m thicilline (SARM) et le signalement des cas et commentaires sur les staphylocoques coagulase n gative r sistants la m thicilline (SCN-RM). www.hc-sc.gc.ca/hpb/lcdc/bmb/ceqaagar/mrsa98_f.html. R sistance microbienne aux m ...
http://drdangvu.free.fr/microbiologie/references_webliographiques.htm
What Are Some Examples of Photosynthetic Bacteria? | Reference.comWhat Are Some Examples of Photosynthetic Bacteria? | Reference.com
Purple and green bacteria and cyanobacteria are photosynthetic. Photosynthetic bacteria are able to produce energy from the suns rays in a process similar to that used by plants. Instead of using...
https://www.reference.com/science/examples-photosynthetic-bacteria-82d1d83fd9625e3
Absorption spectra of BChl a-associated proteins from v | Open-iAbsorption spectra of BChl a-associated proteins from v | Open-i
Absorption spectra of BChl a-associated proteins from various C. tepidum strains recovered by Ni2+-affinity purification.Absorption spectra (traces 1-6) of BChl
https://openi.nlm.nih.gov/detailedresult.php?img=PMC3842273_pone.0082345.g004&req=4
wst1 blank absorbance problem: post #1wst1 blank absorbance problem: post #1
wst1 blank absorbance problem - posted in Tissue and Cell Culture: Hi everyone, Recently, Ive tried wst1 assay for the first time. After treating the cells with chemical, i added 100 ul fresh DMEM containing 10 ul wst1 and incubated for 3 hours. Ive measured the absorbance in 355-460 interval (this was the closest filter pair to 450 nm -that I could choose in our reader-). Unexpectedly, I got the maximum absorbance values in my blank samples (DMEM+wst1; without cells) and positive controls...
http://www.protocol-online.org/forums/topic/32075-wst1-blank-absorbance-problem/
The influence of bacteriochlorophyll biosynthesis on formation of pigment-binding proteins and assembly of pigment protein...The influence of bacteriochlorophyll biosynthesis on formation of pigment-binding proteins and assembly of pigment protein...
The synthesis of bacteriochlorophyll (Bchl) was inhibited in wild type strain of Rhodopseudomonas capsulata by levulinic acid (LA), δ-aminolevulinic acid of α,α′-dipyridyl. The transcription of genes for pigment-binding proteins, the synthesis and incorporation of these proteins into the membrane and the assembly of photosynthetic complexes were studied. Inhibition of Bchl synthesis did not impair formation of mRNA for pigment-binding polypeptides, but inhibited the synthesis of these proteins as well as stable incorporation into the membrane. The results let suggest, that Bchl is necessary for the stabilization of pigment-binding proteins in the membrane, and that intermediates of Bchl-synthesis affect the synthesis of these proteins. The same experiments were carried out with mutant strains blocked in Bchl synthesis. All Bchl-less mutant strains investigated here, showed transcription of photosynthetic genes at a rate which was independent of oxygen tension. The synthesis of polypeptides of
https://www.semanticscholar.org/paper/The-influence-of-bacteriochlorophyll-biosynthesis-Klug-Liebetanz/ab7435a98a0ac7911b098ee75a9abfffe878c02b
acsF1 - Magnesium-protoporphyrin IX monomethyl ester [oxidative] cyclase 1 - Synechocystis sp. (strain PCC 6803 / Kazusa) -...acsF1 - Magnesium-protoporphyrin IX monomethyl ester [oxidative] cyclase 1 - Synechocystis sp. (strain PCC 6803 / Kazusa) -...
Catalyzes the formation of the isocyclic ring in chlorophyll biosynthesis. Mediates the cyclase reaction, which results in the formation of divinylprotochlorophyllide (Pchlide) characteristic of all chlorophylls from magnesium-protoporphyrin IX 13-monomethyl ester (MgPMME).
https://www.uniprot.org/uniprot/P72584
Antievolution.org - Antievolution.org Discussion Board -Topic::The Origins of PhotosynthesisAntievolution.org - Antievolution.org Discussion Board -Topic::The Origins of Photosynthesis
The evolutionary origin of photosynthetic reaction centers has long remained elusive. Here, we use sequence and structural analysis to demonstrate an evolutionary link between the cytochrome b subunit of the cytochrome bc(1) complex and the core polypeptides of the photosynthetic bacterial reaction center. In particular, we have identified an area of significant sequence similarity between a three contiguous membrane-spanning domain of cytochrome b, which contains binding sites for two hemes, and a three contiguous membrane-spanning domain in the photosynthetic reaction center core subunits, which contains binding sites for cofactors such as (bacterio)chlorophylls, (bacterio)pheophytin and a non-heme iron. Three of the four heme ligands in cytochrome b are found to be conserved with the cofactor ligands in the reaction center polypeptides. Since cytochrome b and reaction center polypeptides both bind tetrapyrroles and quinones for electron transfer, the observed sequence, functional and ...
http://www.antievolution.org/cgi-bin/ikonboard/ikonboard.cgi?s=59ead8ea899ef7f3
Antievolution.org - Antievolution.org Discussion Board -Topic::The Origins of PhotosynthesisAntievolution.org - Antievolution.org Discussion Board -Topic::The Origins of Photosynthesis
The evolutionary origin of photosynthetic reaction centers has long remained elusive. Here, we use sequence and structural analysis to demonstrate an evolutionary link between the cytochrome b subunit of the cytochrome bc(1) complex and the core polypeptides of the photosynthetic bacterial reaction center. In particular, we have identified an area of significant sequence similarity between a three contiguous membrane-spanning domain of cytochrome b, which contains binding sites for two hemes, and a three contiguous membrane-spanning domain in the photosynthetic reaction center core subunits, which contains binding sites for cofactors such as (bacterio)chlorophylls, (bacterio)pheophytin and a non-heme iron. Three of the four heme ligands in cytochrome b are found to be conserved with the cofactor ligands in the reaction center polypeptides. Since cytochrome b and reaction center polypeptides both bind tetrapyrroles and quinones for electron transfer, the observed sequence, functional and ...
http://www.antievolution.org/cgi-bin/ikonboard/ikonboard.cgi?s=5a2e5c971331253c
Immunology and Pathology Descriptions - Interdisciplinary Studies - The University of SydneyImmunology and Pathology Descriptions - Interdisciplinary Studies - The University of Sydney
Credit points: 6 Teacher/Coordinator: A/Prof Paul Witting Session: Semester 1 Classes: Lectures (2 h/wk) and online lecturettes (3 x 20 min/wk); group focus tutorial (3 x 2 h over 2-3 weeks); guided museum session (1 h/wk); and preparation of online research notebooks (1 h/wk). Prerequisites: A mark of 70 or above in 12cp from {[ANAT2008 or ANAT2009 or (ANAT2010 or ANAT2910) or ANAT2011] or [BCHM2071 or BCHM2971) or BCHM2072 or BCHM2972) or BCHM2081 or BCHM2981) or BCHM2082 or BCHM2982)] or [(BCMB2001 or BCMB2901) or BCMB2002 or BCMB2902)] or [(BIOL2021 or BIOL2921) or (BIOL2022 or BIOL2922) or (BIOL2024 or BIOL2924) or (BIOL2030 or BIOL2930) or (BIOL2031 or BIOL2931)] or [(GEGE2001 or GEGE2901)] or [(IMMU2101 or MICR2021 or MICR2921 or MICR2022 or MICR2922 or MICR2031 or MICR2931 or MIMI2002 or MIMI2902)] or [(MBLG2071 or MBLG2971) or (MBLG2072 or MBLG2972)] or [(PCOL2011 or PCOL2021) or (PCOL2012 or PCOL2022)] or [(PHSI2005 or PHSI2905) or (PHSI2006 or PHSI2906) or (PHSI2007 or PHSI2907) or ...
https://www.sydney.edu.au/handbooks/interdisciplinary_studies/units_of_study/tables_io/immunology_pathology_descriptions.shtml
Long-wavelength-absorbing forms of bacteriochlorophyll a in solutions of Triton X-100Long-wavelength-absorbing forms of bacteriochlorophyll a in solutions of Triton X-100
Gottstein, J. und Scheer, Hugo (1983): Long-wavelength-absorbing forms of bacteriochlorophyll a in solutions of Triton X-100. In: Proceedings of the National Academy of Sciences of the USA, Vol. 80: S. 1887-1892 ...
https://epub.ub.uni-muenchen.de/2901/index.html
BCHM 1014 : Biochem Protein Structures - Wayne State UniversityBCHM 1014 : Biochem Protein Structures - Wayne State University
Here is the best resource for homework help with BCHM 1014 : Biochem Protein Structures at Wayne State University. Find BCHM1014 study guides, notes, and
https://www.coursehero.com/sitemap/schools/1208-Wayne-State-University/courses/4459259-BCHM1014/
Development of Biological Obscurants | SBIR.govDevelopment of Biological Obscurants | SBIR.gov
In Phase I, GeneXpress Informatics (GXI) and Dr. James P. Chambers of the University of Texas at San Antonio proposed to develop biological obscurants for battlefield applications based on the use of bacteriochlorophylls. Upon completion and presentation of results to MARCORSYSCOM, GXI and Chambers provided the necessary technical proof-of-concept for the Phase II deployment of a biological based obscurant. In Phase II, GXI and Dr. Chambers proposes to fabricate a biological obscurant prototype. The main goal of the Phase II program will be the development of biological molecules which have spectroscopic characteristics for optimal obscuration at wavelengths of interest to the MARCORSYSCOM and the DoD. Spectral absorption tuning of the chlorophyll compounds will be accomplished using site-directed mutagenesis of chlorophyll a oxygenase and genetic constructs developed in the Phase I. The emphasis will be placed on bacteria mutant strains and examination of pilot bioreactor processing. The ideal ...
https://www.sbir.gov/sbirsearch/detail/174070
Terminal steps of bacteriochlorophyll a phytol formation in purple photosynthetic bacteria. - PubMed - NCBITerminal steps of bacteriochlorophyll a phytol formation in purple photosynthetic bacteria. - PubMed - NCBI
PubMed comprises more than 30 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full-text content from PubMed Central and publisher web sites.
https://www.ncbi.nlm.nih.gov/pubmed/6609153
chlorosome envelope | Semantic Scholarchlorosome envelope | Semantic Scholar
The structure, composed of a monolayer of glycolipids with embedded proteins, that encloses the pigments and other contents of the chlorosome. [PMID:14507718, PMID:14729689, PMID:17303128]
https://www.semanticscholar.org/topic/chlorosome-envelope/260896
5lcb » Bacteriochlorophyll c-binding protein, complex with chlorophyll - Orientations of Proteins in Membranes (OPM) database5lcb » Bacteriochlorophyll c-binding protein, complex with chlorophyll - Orientations of Proteins in Membranes (OPM) database
The protein is actually located in chlorosome. Transfer energy was calculated with hetero-atoms. This is solid state NMR model ...
http://opm.phar.umich.edu/protein.php?pdbid=5lcb
The liver cleansing diet by sandra cabotThe liver cleansing diet by sandra cabot
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http://acidskiffle.tk/the-liver-cleansing-diet-by-sandra-cabot
Time series observation based InfraRed Epifluorescence Microscopic (TIREM) approach for accurate enumeration of...Time series observation based InfraRed Epifluorescence Microscopic (TIREM) approach for accurate enumeration of...
Bacteriochlorophyll a Containing Microbes (BCM) are a unique group of microorganisms in the marine environment. Accurate determination of their abundance is critical for understanding their role in energy flow and carbon cycle in the ecosystem. The I
http://www.biomedsearch.com/nih/Time-series-observation-based-InfraRed/16213618.html
尿液检测可预测高风险前列腺癌的男性 恩瑞生物医药科技（上海）有限公司尿液检测可预测高风险前列腺癌的男性 恩瑞生物医药科技（上海）有限公司
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API Intermediate - 成都丽璟科技有限公司API Intermediate - 成都丽璟科技有限公司
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Chloroflexus aurantiacus - WikipediaChloroflexus aurantiacus - Wikipedia
Chloroflexus aurantiacus is a photosynthetic bacterium isolated from hot springs, belonging to the green non-sulfur bacteria. This organism is thermophilic and can grow at temperatures from 35 °C to 70 °C. Chloroflexus aurantiacus can survive in the dark if oxygen is available. When grown in the dark, Chloroflexus aurantiacus has a dark orange color. When grown in sunlight it is dark green. The individual bacteria tend to form filamentous colonies enclosed in sheaths, which are known as trichomes. As a genus, Chloroflexus spp. are filamentous anoxygenic phototrophic (FAP) organisms that utilize type II photosynthetic reaction centers containing bacteriochlorophyll a similar to the purple bacteria, and light-harvesting chlorosomes containing bacteriochlorophyll c similar to green sulfur bacteria of the Chlorobi. Like other members of its phylum (cf. Chloroflexi), the species stains Gram negative, yet has a single lipid layer (monoderm), but with thin peptidoglycan, which is compensated for by ...
https://en.wikipedia.org/wiki/Chloroflexus_aurantiacus
cond-mat.mes-hall - Mesoscale and Nanoscale Physics: 1307.1742 (Joseph Kuo-Hsiang Tang et al.)cond-mat.mes-hall - Mesoscale and Nanoscale Physics: 1307.1742 (Joseph Kuo-Hsiang Tang et al.)
Green photosynthetic bacteria adjust the structure and functionality of the chlorosome - the light absorbing antenna complex - in response to environmental stress factors. The chlorosome is a natural self-assembled aggregate of bacteriochlorophyll (BChl) molecules. In this study we report the regulation of the biogenesis of the Chlorobaculum tepidum chlorosome by carbon assimilation in conjunction with temperature changes. Our studies indicate that the carbon source and thermal stress culture of Cba. tepidum grows slower and incorporates less BChl c in the chlorosome. Compared with the chlorosome from other cultural conditions we investigated, the chlorosome from the carbon source and thermal stress culture displays: (a) smaller cross-sectional radius and overall size; (b) simplified BChl c homologues with smaller side chains; (c) blue-shifted Qy absorption maxima and (d) a sigmoid-shaped circular dichroism (CD) spectra. Using a theoretical model we analyze how the observed spectral ...
http://cpr-condmat-meshall.blogspot.com/2013/07/13071742-joseph-kuo-hsiang-tang-et-al.html
Chloroflexus aurantiacus Pierson and Castenholz ATCC ® 29366D-5&trChloroflexus aurantiacus Pierson and Castenholz ATCC ® 29366D-5&tr
Chloroflexus aurantiacus ATCC ® 29366D-5™ Designation: Genomic DNA from Chloroflexus aurantiacus strain J-10-fl TypeStrain=True Application:
https://www.atcc.org/en/Global/Products/5/B/7/C/29366D-5.aspx
Green sulfur bacteria | Open Access articles | Open Access journals | Conference Proceedings | Editors | Authors | Reviewers |...Green sulfur bacteria | Open Access articles | Open Access journals | Conference Proceedings | Editors | Authors | Reviewers |...
The green sulfur bacteria are a family of obligately anaerobic photoautotrophic bacteria. Most closely related to the distant Bacteroidetes, they are accordingly assigned their own phylum.[1] Green sulfur bacteria are nonmotile (except Chloroherpeton thalassium, which may glide)[1] and occur in spheres, rods, and spirals.[citation needed] Photosynthesis is achieved using a Type 2[citation needed] Reaction Centre using bacteriochlorophyll (BChl) a and in chlorosomes which employ BChl c, d, or e; in addition chlorophyll a is also present,.[1] They use sulfide ions, hydrogen or ferrous iron as an electron donor and the process is mediated by the type I reaction centre and Fenna-Matthews-Olson complex. Elemental sulfur deposited outside the cell may be further oxidized. By contrast, the photosynthesis in plants uses water as the electron donor and produces oxygen.[1] Chlorobium tepidum has emerged as a model organism for the group; although only 10 genomes have been sequenced, these are quite ...
http://research.omicsgroup.org/index.php/Green_sulfur_bacteria
Difference between revisions of Paul Jaschke - OpenWetWareDifference between revisions of Paul Jaschke - OpenWetWare
Jaschke PR, Drake I, Beatty JT. (2009). Modification of a French pressure cell to improve microbial cell disruption. Photosynth Res. 102(1): 95-7. Abstract PDF Jaschke PR. (2010). Discovery and characterization of a new zinc-bacteriochlorophyll biosynthetic pathway and photosystem in a magnesium-chelatase mutant. PhD Thesis. University of British Columbia. Abstract PDF Lin S,Jaschke PR, Wang H, Paddock M, Tufts A, Allen JP, Rosell FI, Mauk GA, Woodbury NW, Beatty JT. (2009). Electron transfer in the Rhodobacter sphaeroides reaction center assembled with zinc bacteriochlorophyll. Proceedings of the National Academy of Sciences of the USA.106(21): 8537-42. Abstract PDF Jaschke PR, LeBlanc HN, Lang AS, Beatty JT. (2008). The PucC protein of Rhodobacter capsulatus mitigates an inhibitory effect of light-harvesting 2 alpha and beta proteins on light-harvesting complex 1. Photosynthesis Research. 95(2-3): 279-84. Abstract PDF Jaschke PR, Beatty JT. (2007). The photosystem of Rhodobacter sphaeroides ...
https://openwetware.org/wiki/?title=Paul_Jaschke&diff=723211&oldid=694716
Difference between revisions of Paul Jaschke - OpenWetWareDifference between revisions of Paul Jaschke - OpenWetWare
Jaschke PR, Drake I, Beatty JT. (2009). Modification of a French pressure cell to improve microbial cell disruption. Photosynth Res. 102(1): 95-7. Abstract PDF Jaschke PR. (2010). Discovery and characterization of a new zinc-bacteriochlorophyll biosynthetic pathway and photosystem in a magnesium-chelatase mutant. PhD Thesis. University of British Columbia. Abstract PDF Lin S,Jaschke PR, Wang H, Paddock M, Tufts A, Allen JP, Rosell FI, Mauk GA, Woodbury NW, Beatty JT. (2009). Electron transfer in the Rhodobacter sphaeroides reaction center assembled with zinc bacteriochlorophyll. Proceedings of the National Academy of Sciences of the USA.106(21): 8537-42. Abstract PDF Jaschke PR, LeBlanc HN, Lang AS, Beatty JT. (2008). The PucC protein of Rhodobacter capsulatus mitigates an inhibitory effect of light-harvesting 2 alpha and beta proteins on light-harvesting complex 1. Photosynthesis Research. 95(2-3): 279-84. Abstract PDF Jaschke PR, Beatty JT. (2007). The photosystem of Rhodobacter sphaeroides ...
https://openwetware.org/wiki/?title=Paul_Jaschke&diff=636616&oldid=636615
acsF - Magnesium-protoporphyrin IX monomethyl ester [oxidative] cyclase - Synechococcus elongatus (strain PCC 7942) - acsF gene...acsF - Magnesium-protoporphyrin IX monomethyl ester [oxidative] cyclase - Synechococcus elongatus (strain PCC 7942) - acsF gene...
Catalyzes the formation of the isocyclic ring in chlorophyll biosynthesis. Mediates the cyclase reaction, which results in the formation of divinylprotochlorophyllide (Pchlide) characteristic of all chlorophylls from magnesium-protoporphyrin IX 13-monomethyl ester (MgPMME).
https://www.uniprot.org/uniprot/Q31LY2
Energy Transduction in Chlorobium limicola: Role of Membrane-bound Adenosine Triphosphatase and the Proton Electrochemical...Energy Transduction in Chlorobium limicola: Role of Membrane-bound Adenosine Triphosphatase and the Proton Electrochemical...
Photophosphorylation in vivo by Chlorobium limicola was inhibited by lipophilic cations and the energy-transfer inhibitors diphenylphosphorylazide, Dio-9, 4-chloro-7-nitrobenzofurazan and chlorhexidene. Membrane-bound ATPase activity was also inhibited by these energy-transfer inhibitors. The formation of a membrane potential was stimulated approximately 1.7-fold on illumination, rising to a value between −110 and −150 mV. The sensitivity of the processes producing this membrane potential to uncouplers, energy-transfer inhibitors and 2-heptyl-4-hydroxyquinoline-N-oxide was measured in the light and the dark.
https://www.microbiologyresearch.org/content/journal/micro/10.1099/00221287-122-2-211
Rhodopseudomonas rutila, a New Species of Nonsulfur Purple Photosynthetic Bacteria | Microbiology SocietyRhodopseudomonas rutila, a New Species of Nonsulfur Purple Photosynthetic Bacteria | Microbiology Society
Strains R1T (type strain) and R2, two new isolates of nonsulfur purple photosynthetic bacteria, were studied. The cells of these organisms were gramnegative nonsporeforming rods that were motile by means of a singleflagellum, and they multiplied by budding. The photosynthetic membrane systems of these strains were of the lamellar type parallel to the cytoplasmic membrane. Cells which formed under anaerobic conditions in the light were red. The cells of these strains contained bacteriochlorophyll a, ubiquinone 10, and carotenoids. No vitamins were required as growth factors, and reduced sulfur compounds could not be utilized by strains R1T and R2. These two strains produced molecular hydrogen anaerobically in the light. On the basis of this study, we propose a new species, Rhodopseudomonas rutila, for strains R1T and R2. The guanine-plus-cytosine contents of the deoxyribonucleic acids of strains R1T and R2 are 67.6 and 69.4 mol%, respectively. The type strain of this new species is strain R1 (= ATCC
https://www.microbiologyresearch.org/content/journal/ijsem/10.1099/00207713-33-3-551
Strain-symmetrized Si/SiGe multi-quantum well structures grown by molecular beam epitaxy for intersubband engineering<...Strain-symmetrized Si/SiGe multi-quantum well structures grown by molecular beam epitaxy for intersubband engineering<...
TY - JOUR. T1 - Strain-symmetrized Si/SiGe multi-quantum well structures grown by molecular beam epitaxy for intersubband engineering. AU - Zhao, M.. AU - Karim, A.. AU - Ni, W. X.. AU - Pidgeon, C. R.. AU - Phillips, P. J.. AU - Carder, D.. AU - Murdin, B. N.. AU - Fromherz, T.. AU - Paul, D. J.. PY - 2006/12. Y1 - 2006/12. N2 - Three strain-symmetrized Si/SiGe multi-quantum well structures, designed for probing the carrier lifetime of intrawell intersubband transitions between heavy hole 1 (HH1) and light hole 1 (LH1) states with transition energies below the optical phonon energy, were grown by molecular beam epitaxy at low temperature on fully relaxed SiGe virtual substrates. The grown structures were characterized by using various experimental techniques, showing a high crystalline quality and very precise growth control. The lifetime of the LH1 excited state was determined directly with pump-probe spectroscopy. The measurements indicated an increase of the lifetime by a factor of ~2 due to ...
https://researchportal.hw.ac.uk/en/publications/strain-symmetrized-sisige-multi-quantum-well-structures-grown-by-
Research Highlight - Water Dynamics in Cytoplasm-Like Crowded Environment Correlates with the Conformational Transition of the...Research Highlight - Water Dynamics in Cytoplasm-Like Crowded Environment Correlates with the Conformational Transition of the...
Polyethylene glycol (PEG) is a unique polymer material with enormous applicability in many industrial and scientific fields. Here, its use as macromolecular crowder to mimic the cellular environment in vitro is the focus of the present study. We show that femtosecond mid-IR pump-probe spectroscopy using three different IR probes, HDO, HN3, and azido-derivatized crowder, provides complete and stereoscopic information on water structure and dynamics in the cytoplasm-like macromolecular crowding environment. Our experimental results suggest two distinct subpopulations of water molecules: those that interact with other water molecules and those that are part of a hydration shell of crowder on its surface. Interestingly, water dynamics even in highly crowded environment remains bulk-like in spite of significant perturbation to the tetrahedral H-bonding network of water molecules. That is possible because of the formation of water aggregates (pools) even in water-deficient PEGDME-water solutions. In ...
http://chem.korea.ac.kr/index.php?mid=Research_Highlight&page=2&document_srl=3323
MicroTech Instruments Inc - Raman SpectrometryMicroTech Instruments Inc - Raman Spectrometry
The FPPO product line supplies tunable, multiple wavelength outputs from a fiber laser pumped, optical parametric oscillator. Two versions are available: the FPPO-ps, which delivers 6 ps pulses, and the FPPO-fs, which delivers 300 fs pulses. Both systems offer near continuous tunability from 730 - 2000 nm from the OPO signal and idler beams, as well as 532 nm and 1064 nm light from the pump laser. Possible applications of these versatile laser systems include: multi-photon imaging, pump-probe spectroscopy, fluorescence spectroscopy and Raman imaging and spectroscopy.. Specifications: ...
http://mtinstruments.com/CARS_Imaging.html
Biomimetic Antenna May Transform Solar Devices | Research & Technology | Dec 2011 | Photonics.comBiomimetic Antenna May Transform Solar Devices | Research & Technology | Dec 2011 | Photonics.com
A newly developed light-harvesting antenna modeled on the chlorosome found in green bacteria could transform solar-powered devices and give silicon an
https://www.photonics.com/Articles/Biomimetic_Antenna_May_Transform_Solar_Devices_/p6/vo81/i582/a49289
Phototroph (Prokaryote Metabolism): What is it? | SciencingPhototroph (Prokaryote Metabolism): What is it? | Sciencing
Phototrophs use bacteriochlorophyll pigments in the plasma membrane to capture photons for photosynthesis. In the second stage of photosynthesis, phototrophs use carbon fixation to produce fuel. This is important for autotrophs and the heterotrophs that eat them. It also plays a role in evolution.
https://sciencing.com/phototroph-prokaryote-metabolism-what-is-it-13717690.html
Anisotropic Organization and Microscopic Manipulation of Self-Assembling Synthetic Porphyrin Microrods That Mimic Chlorosomes :...Anisotropic Organization and Microscopic Manipulation of Self-Assembling Synthetic Porphyrin Microrods That Mimic Chlorosomes :...
Chappaz-Gillot, Cyril; Marek, Peter L.; Blaive, Bruno J.; Canard, Gabriel; Bürck, Jochen; Garab, Győző; Hahn, Horst; Jávorfi, Tamás; Kelemen, Loránd; Krupke, Ralph; Mössinger, Dennis; Ormos, Pál; Reddy, Chilla Malla; Roussel, Christian; Steinbach, Gábor; Szabó, Milán; Ulrich, Anne S.; Vanthuyne, Nicolas; Vijayaraghavan, Aravind; Zupcanova, Anita; ... mehrBalaban, Teodor Silviu ...
https://publikationen.bibliothek.kit.edu/1000031896
Candidatus Chloracidobacterium thermophilum - microbewikiCandidatus Chloracidobacterium thermophilum - microbewiki
Cab.thermophilum has light harvesting antennae (chlorosomes), Fenna-Matthews-Olson (FMO) protein, and type 1 reaction centers: each chlorosome can contain up to 250,000 bacteriochlorophyll molecules. Cab.thermophilum synthesizes bacteriochlorophylls a and c (BChl) under oxic conditions (photoheterotropically) unlike the anoxic conditions in other phototrophs. Characterization of a model green sulfur bacterium Chlorobium tepidum showed that BChl c molecules forms large aggregates by self-organization due to the unique molecular structure of the bacteriochlorophylls. The formation of large molecular aggregates of BChl c is independent of any protein scaffold. These protein-independent and self-organization properties lead to the formation of very large amounts of BChl c (eg. in Green sulfur bacteria, 25-30% of the total cellular carbon is utilized in the formation of BChl c) needed for cell growth at very low light environment. Genome sequencing of a phototroph from the Chlorobi phylum, Chlorobium ...
https://microbewiki.kenyon.edu/index.php?title=Candidatus_Chloracidobacterium_thermophilum&oldid=50565
Inhibition of porphyrin biosynthesis by exogenous 5-aminolevulinic acid in an aerobic photosynthetic bacterium, Erythrobacter...Inhibition of porphyrin biosynthesis by exogenous 5-aminolevulinic acid in an aerobic photosynthetic bacterium, Erythrobacter...
TY - JOUR. T1 - Inhibition of porphyrin biosynthesis by exogenous 5-aminolevulinic acid in an aerobic photosynthetic bacterium, Erythrobacter sp. OCh 114. AU - Shioi, Yuzo. AU - Doi, Michio. AU - Tanabe, Kimiko. AU - Shimokawa, Keishi. PY - 1988/11/1. Y1 - 1988/11/1. N2 - Exogenously administrated 5-aminolevulinic acid (ALA) inhibited the formation of bacteriochlorophyll a (Bchl a) in a dose-dependent manner in the aerobic photosynthetic bacterium, Erythrobacter sp. strain OCh 114, under dark growth conditions. The ALA concentration required for half-inhibition after 24-h growth was estimated to be about 3.0 mm. Porphyrin and Bchl precursors were not found in either the cells or the growth medium. The same inhibition was also observed with cytochrome c formation. When ALA was incubated with intact cells, a large amount of ALA was converted to an unknown metabolite. The pH optimum of the conversion was 7.8. The metabolite did not react with Ehrlichs reagent, but did so with ninhydrin, giving a ...
https://kyushu-u.pure.elsevier.com/en/publications/inhibition-of-porphyrin-biosynthesis-by-exogenous-5-aminolevulini
Nutrient requirements and growth physiology of the photoheterotrophic Acidobacterium, Chloracidobacterium thermophilum (Journal...Nutrient requirements and growth physiology of the photoheterotrophic Acidobacterium, Chloracidobacterium thermophilum (Journal...
A novel thermophilic, microaerophilic, anoxygenic, and chlorophototrophic member of the phylum Acidobacteria, Chloracidobacterium thermophilum strain B T, was isolated from a cyanobacterial enrichment culture derived from microbial mats associated with Octopus Spring, Yellowstone National Park, Wyoming. C. thermophilum is strictly dependent on light and oxygen and grows optimally as a photoheterotroph at irradiance values between 20 and 50 µmol photons m⁻² s⁻¹. C. thermophilum is unable to synthesize branched-chain amino acids (AAs), L-lysine, and vitamin B₁₂, which are required for growth. Although the organism lacks genes for autotrophic carbon fixation, bicarbonate is also required. Mixtures of other AAs and 2-oxoglutarate stimulate growth. As suggested from genomic sequence data, C. thermophilum requires a reduced sulfur source such as thioglycolate, cysteine, methionine, or thiosulfate. The organism can be grown in a defined medium at 51° C (T opt; range 44-58°C) in the pH ...
https://www.osti.gov/scitech/biblio/1194070-nutrient-requirements-growth-physiology-photoheterotrophic-acidobacterium-chloracidobacterium-thermophilum
Primary photochemistry in the facultatively aerobic green phot...Primary photochemistry in the facultatively aerobic green phot...
Primary photochemistry in the facultatively aerobic green photosynthetic bacterium Chloroflexus aurantiacus: Photochemical activity was examined in membrane fra
https://www.mysciencework.com/publication/show/primary-photochemistry-in-the-facultatively-aerobic-green-photosynthetic-bacterium-chloroflexus-aurantiacus
Bound manganese oxides capable of reducing the bacteriochlorophyll dimer of modified reaction centers from Rhodobacter...Bound manganese oxides capable of reducing the bacteriochlorophyll dimer of modified reaction centers from Rhodobacter...
TY - JOUR. T1 - Bound manganese oxides capable of reducing the bacteriochlorophyll dimer of modified reaction centers from Rhodobacter sphaeroides. AU - Espiritu, Eduardo. AU - Chamberlain, Kori D.. AU - Williams, Jo Ann C.. AU - Allen, James P.. PY - 2019/1/1. Y1 - 2019/1/1. N2 - A biohybrid model system is described that interfaces synthetic Mn-oxides with bacterial reaction centers to gain knowledge concerning redox reactions by metal clusters in proteins, in particular the Mn4CaO5 cluster of photosystem II. The ability of Mn-oxides to bind to modified bacterial reaction centers and transfer an electron to the light-induced oxidized bacteriochlorophyll dimer, P+, was characterized using optical spectroscopy. The environment of P was altered to obtain a high P/P+ midpoint potential. In addition, different metal-binding sites were introduced by substitution of amino acid residues as well as extension of the C-terminus of the M subunit with the C-terminal region of the D1 subunit of photosystem ...
https://asu.pure.elsevier.com/en/publications/bound-manganese-oxides-capable-of-reducing-the-bacteriochlorophyl
Ketocarotenoids in chlorosomes of the acidobacterium Candidatus Chloracidobacterium thermophilum - Yellowstone Research...Ketocarotenoids in chlorosomes of the acidobacterium Candidatus Chloracidobacterium thermophilum - Yellowstone Research...
The Yellowstone National Park Research Coordination Network is a collaboration of scientists and NPS staff to develop a coordinated research network focused on geothermal biology and geochemistry.
http://rcn.montana.edu/Publications/Detail.aspx?id=203
Control of Peripheral Light-Harvesting Complex Synthesis by a Bacteriophytochrome in the Aerobic Photosynthetic Bacterium...Control of Peripheral Light-Harvesting Complex Synthesis by a Bacteriophytochrome in the Aerobic Photosynthetic Bacterium...
Anoxygenic phototrophic bacteria have the ability to transform light energy into biochemical amenable energy for their growth and motion. The collection of light and its transformation into chemical energy are mediated by the so-called photosynthetic apparatus. This complex system is composed of three multimeric transmembrane protein complexes: the light-harvesting (LH) complexes, the photochemical reaction center (RC), and the cytochrome bc 1 complex located in the intracytoplasmic membrane. Light collected by the peripheral LH complexes is transferred first to the LH1 complex, which absorbs at around 870 nm, and then to the RC, where a charge separation occurs. This initiates a cyclic electron transfer between the RC and cytochrome bc 1 via electron carrier proteins in the periplasmic space and quinone molecules in the membrane. This cyclic electron transfer is coupled to the translocation of protons and to the formation of a proton motive force across the inner membrane, ultimately used for ...
https://jb.asm.org/content/190/17/5824
Candidatus</em> Chloracidobacterium thermophilum: An Aerobic Phototrophic Acidobacterium - Yellowstone Research Coordination...Candidatus</em> Chloracidobacterium thermophilum: An Aerobic Phototrophic Acidobacterium - Yellowstone Research Coordination...
The Yellowstone National Park Research Coordination Network is a collaboration of scientists and NPS staff to develop a coordinated research network focused on geothermal biology and geochemistry.
http://rcn.montana.edu/Publications/Detail.aspx?id=196
Chlorobium FMO antenna complex characterisation - microbewikiChlorobium FMO antenna complex characterisation - microbewiki
1)Washington University in St. Louis. Taco Shell Protein: Orientation Of Antenna Protein In Photosynthetic Bacteria Described. ScienceDaily 9 April 2009. 12 April 2009 ,http://www.sciencedaily.com¬ /releases/2009/04/090402171438.htm,. ( 2)D.A. Bryant & N.-U. Frigaard (November 2006). Prokaryotic photosynthesis and phototrophy illuminated. Trends Microbiol. 14 (11): 488. doi:10.1016/j.tim.2006.09.001 (3)Beatty, J.T.; Overmann, J.; Lince, M.T.; Mansket, A.K.; Lang, A.S.; Blankenship, R.E.; Van Dover, C.L.; Martinson, T.A.; Plumley, F.G. An obligately photosynthetic bacterial anaerobe from a deep-sea hydrothermal vent. PNAS June 28, 2005 vol. 102 no. 26 9306-9310 (4)Li YF, Zhou W, Blankenship RE, Allen JP (1997) Crystal structure of the bacteriochlorophyll a protein from Chlorobium tepidum. J Mol Biol 271:456-471. (5)Olson, J. M. (1978). Bacteriochlorophyll a-proteins from green bacteria. In The Photosynthetic Bacteria (Clayton, R. K. & Sistrom, W. R., eds), pp. 161± 178, Plenum Press, ...
https://microbewiki.kenyon.edu/index.php/Chlorobium_FMO_antenna_complex_characterisation
RCSB PDB - 1DS8: PHOTOSYNTHETIC REACTION CENTER FROM RHODOBACTER SPHAEROIDES IN THE CHARGE-NEUTRAL DQAQB STATE WITH THE PROTON...RCSB PDB - 1DS8: PHOTOSYNTHETIC REACTION CENTER FROM RHODOBACTER SPHAEROIDES IN THE CHARGE-NEUTRAL DQAQB STATE WITH THE PROTON...
1DS8: PHOTOSYNTHETIC REACTION CENTER FROM RHODOBACTER SPHAEROIDES IN THE CHARGE-NEUTRAL DQAQB STATE WITH THE PROTON TRANSFER INHIBITOR CD2+
https://www.rcsb.org/structure/1DS8
RCSB PDB - 1DV6: PHOTOSYNTHETIC REACTION CENTER FROM RHODOBACTER SPHAEROIDES IN THE CHARGE-NEUTRAL DQAQB STATE WITH THE PROTON...RCSB PDB - 1DV6: PHOTOSYNTHETIC REACTION CENTER FROM RHODOBACTER SPHAEROIDES IN THE CHARGE-NEUTRAL DQAQB STATE WITH THE PROTON...
1DV6: PHOTOSYNTHETIC REACTION CENTER FROM RHODOBACTER SPHAEROIDES IN THE CHARGE-NEUTRAL DQAQB STATE WITH THE PROTON TRANSFER INHIBITOR ZN2+
https://www.rcsb.org/structure/1DV6
IDEALS @ Illinois: Applications of pump-probe and two-photon techniques in time-resolved fluorescence miscroscopy and...IDEALS @ Illinois: Applications of pump-probe and two-photon techniques in time-resolved fluorescence miscroscopy and...
Pump-probe spectroscopy has long been useful in the elucidating ultrafast molecular phenomena. We developed a variation of time-resolved, pump-probe methodology using cross-correlation principles of the frequency-domain. An unique feature of our technique is that the low-frequency, cross correlation signal and its harmonics which contain lifetime information at high excitation frequencies can be simultaneously acquired and analyzed by a frequency spectrum analyzer. The result is that high frequency spectral information can be acquired without a fast optical detector and simultaneous acquisition of multiple harmonics reduce data acquisition time. A second key feature of this technique is that the cross-correlation signal comes primarily from the focal volume and hence microscopic imaging using this technique results in axial depth discrimination and improved spatial resolution similar in two-photon excitation microscopy. Using this technique, spectroscopic data measuring the lifetime and ...
https://www.ideals.illinois.edu/handle/2142/30810
Method of treating cancer tumors with imine porphyrin compounds by Dimitris Skalkos, Steven H. Selman et al.Method of treating cancer tumors with imine porphyrin compounds by Dimitris Skalkos, Steven H. Selman et al.
Purified imines of porphyrins, chlorins, bateriochlorins, chlorophylls, bacteriochlorophylls, purpurins, reduced purpurins, verdins, Diels Alder adducts, benzochlorins and metal complexes of the foregoing imines are disclosed. The formulas of the benzochlorinimines and of the benzochlorinimine metal complexes are set forth below: ##STR1## In specific examples, M in the metal complexes is a copper cation that is complexed with two of the nitrogens of the benzochlorinimine R and R are methyl, and R1 through R8 are ethyl.
http://utdr.utoledo.edu/utpatents/169/
Prokaryote - ConservapediaProkaryote - Conservapedia
The cytosol contains oil droplets, food reserves and the 70S ribosomes, and is surrounded by a plasmalemma. In Gram negative bacteria, a further outer membrane surrounds the plasmalemma, with a thin cell wall and periplasmic space trapped between them. In Gram positive bacteria, there is no outer membrane, and the cell wall is thicker. The cell wall is composed of peptidoglycan and various organic acids in Eubacteria. Bacteria have flagella, but they are simple proteinaceous strands attached to a rotary motor, completely dissimilar to the complex eukaryotic undulipodium. Membranes may be present in the cell, as in the thylakoids of the Cyanobacteria. In gram-positive bacteria the mambrane may form mesosomes, which are invaginations in the cell membrane that may be involved in DNA replication and oxidative phosphorylation. The cytosol may also contain various episomes (small circular chromosomes), some called plasmids, and others called (bacterio)phages, which are bacterial viruses. Prokaryotes ...
http://www.conservapedia.com/index.php?title=Prokaryote&oldid=526453
Microbiology Society Journals | List of Bacterial Names with Standing in Nomenclature: a Folder Available on the InternetMicrobiology Society Journals | List of Bacterial Names with Standing in Nomenclature: a Folder Available on the Internet
The List of Bacterial Names with Standing in Nomenclature includes, alphabetically and chronologically, the official names of bacteria as published or validated in the International Journal of Systematic Bacteriology. It encompasses 5,569 taxa (as of 31 December 1996) and is available on the Internet (URL: ftp://ftp.cict.fr/pub/bacterio/).
http://ijs.microbiologyresearch.org/content/journal/ijsem/10.1099/00207713-47-2-590
Species: Rhodobacter sphaeroidesSpecies: Rhodobacter sphaeroides
Name: Rhodobacter sphaeroides (van Niel 1944) Imhoff et al. 1984. Category: Species. Proposed as: comb. nov.. Basonym: Rhodopseudomonas sphaeroides van Niel 1944 (Approved Lists 1980) Etymology: sphae.ro.ides Gr. fem. n. sphaîra, sphere, globe; Gr. adj. suff. -oides, ressembling, similar; from Gr. suff. -eides, resembling, similar; from Gr. neut. n. eidos, that which is seen, form, shape, figure; N.L. adj. sphaeroides, spherical Gender: masculine Type strains: 2.4.1; ATCC 17023; ATH 2.4.1.; CCUG 31486; CECT 300; CIP 60.6; DSM 158; IFO 12203; JCM 6121; LMG 2827; NBRC 12203; Van Niels ATH 2.4.1 See detailed strain information at ...
https://lpsn.dsmz.de/species/rhodobacter-sphaeroides
Rhodobacter sphaeroides (van Niel) Imhoff et al. ATCC ® 17029D-5&tRhodobacter sphaeroides (van Niel) Imhoff et al. ATCC ® 17029D-5&t
Rhodobacter sphaeroides ATCC ® 17029D-5™ Designation: Genomic DNA from Rhodobacter sphaeroides strain ATH 2.4.9 TypeStrain=False Application: Biotechnology
https://www.atcc.org/Products/All/17029D-5.aspx?slp=1?p=1&rel=%7B0%7D
Vivid green bacteria bloom in the river running through Toledo | Michigan RadioVivid green bacteria bloom in the river running through Toledo | Michigan Radio
A stretch of the Maumee River that runs through Toledo, Ohio has turned vivid green thanks to a bloom of cyanobacteria. The Toledo-Lucas County Health
http://michiganradio.org/post/vivid-green-bacteria-bloom-river-running-through-toledo
Bacterial Intracellular MembranesBacterial Intracellular Membranes
This article describes the occurrence, structure,arrangement and function of bacterial intracytoplasmic membranes (ICMS) including magnetosomes of magnetotactic bacteria, the thylakoids of cyanobacteria and chloroxybacteria, the ICMS of purple bacteria and chemoautotrophic bacteria, the chlorosomes of green bacteria and the anammoxosome of ammonia‐oxidising bacteria
http://www.els.net/WileyCDA/ElsArticle/refId-a0000303.html
BiochemistryBiochemistry
BCHM 100a Introductory Biochemistry. [ qr sn ]. Prerequisites: One year of organic chemistry with laboratory. Enrollment limited to 50.. Topics include chemistry, reaction, and metabolism of biologically important compounds; formation and utilization of energy-rich compounds; introduction to enzyme mechanisms; interrelation and comparison of basic biochemical and chemical processes; and metabolic regulation. Usually offered every year. Multiple sections.. Mr. Lowenstein (fall), Ms. Moore (spring). BCHM 101a Advanced Biochemistry I. [ sn ]. Prerequisites: One year of organic chemistry with laboratory and. BCHM 100a or their equivalent. Enrollment limited to 50.. A discussion of enzyme reactions, including energetics, kinetics, and reaction mechanisms. Metabolism of carbohydrates, lipids, amino acids, nucleic acids, vitamins and coenzymes, and hormones and inorganic substances. Coupled enzyme reactions and the synthesis of macromolecules. Regulated enzymes and the regulation of metabolism. ...
http://www.brandeis.edu/registrar/bulletin/1999-2000/BCHM99.html
Biochemistry | Subject Area Listings | Provisional University Bulletin (2020-2021) | Brandeis UniversityBiochemistry | Subject Area Listings | Provisional University Bulletin (2020-2021) | Brandeis University
The Biochemistry BS/MS program is a research-intensive program. The program is intended for students who have independently arranged for a Brandeis professor to supervise a research project and have begun research no later than the beginning of their third undergraduate year. Students must apply to the department for admission to the BS/MS program no later than the last day of course registration for first semester of the third year. Admission to the program is contingent on departmental approval of the research topic.. In addition to all courses required for the BS degree, the BS/MS degree requires completion of BCHM 102a (Quantitative Approaches to Biochemical Systems) one additional 100-level elective (excluding research courses) approved in advance by the Undergraduate Advising Head, four semesters of research courses (consisting of one or two semesters of BCHM 99 plus two or three semesters of BCHM 150), a full-time (i.e., no concurrent course work) summer research residency lasting at ...
https://www.brandeis.edu/registrar/bulletin/provisional/courses/subjects/500.html
Weizmann Institute drug, TOOKAD Soluble, approved for prostate cancer therapy in Mexico | EurekAlert! Science NewsWeizmann Institute drug, TOOKAD Soluble, approved for prostate cancer therapy in Mexico | EurekAlert! Science News
A successful Phase III clinical trial in Latin America confirmed the high rate of local cures and minimal side effects already reported in Phase II clinical trials.
https://www.eurekalert.org/pub_releases/2016-01/wios-wid010416.php
Photochemical reaction | chemical reaction | BritannicaPhotochemical reaction | chemical reaction | Britannica
Photochemical reaction, a chemical reaction initiated by the absorption of energy in the form of light. The consequence of molecules absorbing light is the creation of transient excited states whose chemical and physical properties differ greatly from the original molecules. These new chemical
https://www.britannica.com/science/photochemical-reaction
Wyspa Złych Ludzi: Słowem wstępuWyspa Złych Ludzi: Słowem wstępu
Powstał z nudów więc z nudów pewnie będę na nim pisał. Tak naprawdę ten blog to taki wybieg w przyszłość - jak się w sobie zbiorę i zrobię do końca to co leży w szufladzie od jakiś 3 lat to prawdopodobnie blog będzie czymś w stylu zaplecza ...
http://szczypcik.blogspot.com/2007/11/sowem-wstpu.html
Farmaceutyczne zbrodnie: HIV, pryszczyca, Hitler i testy na dzieciach. | TergiwersacjaFarmaceutyczne zbrodnie: HIV, pryszczyca, Hitler i testy na dzieciach. | Tergiwersacja
Farmaceutyczne zbrodnie: HIV, pryszczyca, Hitler i testy na dzieciach. Koncerny farmaceutyczne są czyste i przejrzyste jak hipotetyczny tandem NSDAP z KPZR. Na wstępie omawiany już Baxter. Reakcja alergiczna na ich lek heparyn przyniosła od stycznia 2007 roku do kwietnia 2009 roku 103 zabitych… Stało się to powodem pozwu sądowego Joyce Ann Osteen złożonego 5 stycznia…
https://tergiwersacja.wordpress.com/pandemia-%E2%80%93-skuteczny-sposob-na-nowy-porzadek-swiata/farmaceutyczne-zbrodnie-hiv-pryszczyca-hitler-i-testy-na-dzieciach/
Wyniki wyszukiwaniaWyniki wyszukiwania
Tytu : Badania por wnawcze wp ywu k pieli wodnych z ozonem i k pieli bez ozonu skojarzonych z kinezyterapi na dolegliwo ci b lowe, wydolno czynno ciow staw w kolanowych oraz perfuzj mi ni ko czyn dolnych u os b z chorob zwyrodnieniow staw w kolanowych (doniesienie wst pne). ...
http://www.bg.umed.lodz.pl/cgi-bin/expertus.cgi?KAT=%2Fhome%2Fexpertus%2Fum%2Fpar%2F&FST=data.fst&FDT=data.fdt&ekran=ISO&lnkmsk=2&cond=AND&mask=2&F_00=02&V_00=Maziarz+Z+
Chlorophyll aChlorophyll a
These organisms use bacteriochlorophyll and some chlorophyll a but do not produce oxygen. Anoxygenic photosynthesis is the term ... The porphyrin ring of bacteriochlorophyll is saturated, and lacking alternation of double and single bonds causing variation in ... "Singlet and triplet excited state properties of natural chlorophylls and bacteriochlorophylls". Photosynthesis Research. 106 (3 ...
https://en.wikipedia.org/wiki/Chlorophyll_a
BlastomonasBlastomonas
nov., a bacteriochlorophyll-containing bacterium isolated from lake water". International Journal of Systematic and ...
https://en.wikipedia.org/wiki/Blastomonas
Brian Matthews (biochemist)Brian Matthews (biochemist)
Fenna RE, Matthews BW (1975). "Chlorophyll arrangement in a bacteriochlorophyll protein from Chlorobium limicola". Nature. 258 ... and the light-antenna bacteriochlorophyll protein. Beyond his contributions to biochemistry, Matthews is also known in the ...
https://en.wikipedia.org/wiki/Brian_Matthews_(biochemist)
ThioalkalicoccusThioalkalicoccus
nov., a new alkaliphilic purple sulfur bacterium with bacteriochlorophyll b." International Journal of Systematic and ...
https://en.wikipedia.org/wiki/Thioalkalicoccus
Porphyrobacter cryptusPorphyrobacter cryptus
nov., a novel slightly thermophilic, aerobic, bacteriochlorophyll a-containing species". International Journal of Systematic ...
https://en.wikipedia.org/wiki/Porphyrobacter_cryptus
Marine primary productionMarine primary production
Phototrophic metabolism relies on one of three energy-converting pigments: chlorophyll, bacteriochlorophyll, and retinal. ...
https://en.wikipedia.org/wiki/Marine_primary_production
Rhodospirillum rubrumRhodospirillum rubrum
While bacteriochlorophyll can absorb light up to a maximum wavelength of 800 to 925 nm, chlorophyll absorbs light having a ... The photosynthesis of R. rubrum differs from that of plants as it possesses not chlorophyll a, but bacteriochlorophylls. ... bacteriochlorophylls and carotenoids, i.e. the bacterium becomes photosynthesis active. The repression mechanism for the ...
https://en.wikipedia.org/wiki/Rhodospirillum_rubrum
Photosynthetic reaction centrePhotosynthetic reaction centre
Four bacteriochlorophyll b (BChl-b) molecules, two bacteriophaeophytin b molecules (BPh) molecules, two quinones (QA and QB), ... Due to the presence of chlorophyll a, as opposed to bacteriochlorophyll, photosystem II absorbs light at a shorter wavelength. ... Reaction centers from different bacterial species may contain slightly altered bacterio-chlorophyll and bacterio-phaeophytin ...
https://en.wikipedia.org/wiki/Photosynthetic_reaction_centre
Aerobic anoxygenic phototrophic bacteriaAerobic anoxygenic phototrophic bacteria
... bacteriochlorophyll) for anaerobic growth. The only photosynthetic pigment that exists in AAPB is BChl a. Anaerobic ... phototrophic bacteria, on the contrary, can contain numerous species of photosynthetic pigments like bacteriochlorophyll a, b, ...
https://en.wikipedia.org/wiki/Aerobic_anoxygenic_phototrophic_bacteria
June LascellesJune Lascelles
... the emerging technology of pre-molecular genetics to the biosynthesis of the photosynthetic pigments called bacteriochlorophyll ...
https://en.wikipedia.org/wiki/June_Lascelles
Lnt RNA motifLnt RNA motif
If the reverse complement is transcribed it would potentially in 5' UTRs of genes encoding bacteriochlorophyll A, and would be ...
https://en.wikipedia.org/wiki/Lnt_RNA_motif
PhototrophPhototroph
In contrast, anoxygenic photosynthetic bacteria have a substance called bacteriochlorophyll - which absorbs predominantly at ...
https://en.wikipedia.org/wiki/Phototroph
AnatomyOrganismsChemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPsychiatry and PsychologyPhenomena and ProcessesDisciplines and OccupationsAnthropology, Education, Sociology and Social PhenomenaInformation ScienceHealth CarePublication CharacteristicsGeographicals
BacteriochlorophyllsRhodobacter sphaeroidesPheophytinsChloroflexusPhotosynthetic Reaction Center Complex ProteinsLight-Harvesting Protein ComplexesChlorobiBacterial ChromatophoresChlorophyllPhotosynthesisSpectrophotometryPhotochemotherapyPhotosensitizing AgentsPatents as TopicDihematoporphyrin EtherPorphyrinsAminolevulinic AcidHematoporphyrin PhotoradiationPhytolPubMedRhodospirillumRhodopseudomonasPeriodicals as TopicChromatiumOrganosilicon CompoundsSpectrum Analysis, RamanEnergy TransferMacrocyclic CompoundsEcosystemCarbon CycleBacteriochlorophyll ALeptospira interrogans serovar pomonaSeawaterWyomingHot SpringsWolvesSulfolobalesArchaeal VirusesBisonMontanaNative Polyacrylamide Gel ElectrophoresisChlorobiumAccess to InformationJournal Impact FactorPeer Review, ResearchPublishingBook Reviews as TopicBook Reviews
Third order nonlinear optical properties of stacked bacteriochlorophylls in bacterial photosynthetic light-harvesting proteins ...Third order nonlinear optical properties of stacked bacteriochlorophylls in bacterial photosynthetic light-harvesting proteins ...
... and now in bacteriochlorophyll a (BChla) arrays of light harvesting (LH) proteins. Compared to monomeric BChla in a ... of bacteriochlorophyll in vivo was observed which provides an alternative method for probing excited state dynamics and a ... Third order nonlinear optical properties of stacked bacteriochlorophylls in bacterial photosynthetic light-harvesting proteins ... and now in bacteriochlorophyll a (BChla) arrays of light harvesting (LH) proteins. Compared to monomeric BChla in a ...
https://digital.library.unt.edu/ark:/67531/metadc695372/
Bacteriochlorophyll | Open Access articles | Open Access journals | Conference Proceedings | Editors | Authors | Reviewers |...Bacteriochlorophyll | Open Access articles | Open Access journals | Conference Proceedings | Editors | Authors | Reviewers |...
Bacteriochlorophyll. File:Bacteriochlorophyll a.mol.svg Bacteriochlorophyll a. R is phytyl or geranylgeranyl. ... Bacteriochlorophyll b Purple bacteria 835-850, 1020-1040 Bacteriochlorophyll c Green sulfur bacteria, Chloroflexi, C. ... Bacteriochlorophyll e Green sulfur bacteria 719-726 Bacteriochlorophyll f Green sulfur bacteria (currently found only through ... Bacteriochlorophyll g Heliobacteria 670, 788 Bacteriochlorophylls a, b, and g are bacteriochlorins, meaning their molecules ...
http://research.omicsgroup.org/index.php/Bacteriochlorophyll
Chlorophylls and BacteriochlorophyllsChlorophylls and Bacteriochlorophylls
... bacteriochlorophylls and their protein complexes. Also discussed is progress on the applications of chlorophylls as ... www.MOLUNA.de Chlorophylls and Bacteriochlorophylls [4093768] - The first dedicated new work since 1991, this book reviews ... Bacteriochlorophyll Protein Maquettes; D. Noy et al. 25. Molecular Assembly of Bacteriochlorophyll Complexes Using Synthetic ... Bacteriochlorophyll Sensitizers in Photodynamic Therapy; A.S. Brandis et al. 34. Metal-Substituted Bacteriochlorophylls: Novel ...
https://www.moluna.de/buch/4093768-chlorophylls+and+bacteriochlorophylls/
Microbiology Society Journals | Blastomonas aquatica sp. nov., a bacteriochlorophyll-containing bacterium isolated from lake...Microbiology Society Journals | Blastomonas aquatica sp. nov., a bacteriochlorophyll-containing bacterium isolated from lake...
Bacteriochlorophyll a was produced by the isolates. The predominant cellular fatty acids were C16 : 1, C17 : 1 and C18 : 1 ... nov., a bacteriochlorophyll-containing bacterium isolated from lake water MyBook is a cheap paperback edition of the original ... Bacteriochlorophyll a was produced by the isolates. The predominant cellular fatty acids were C16 : 1, C17 : 1 and C18 : 1 ... nov., a bacteriochlorophyll-containing bacterium isolated from lake water, Page 1 of 1 ...
http://ijs.microbiologyresearch.org/content/journal/ijsem/10.1099/ijs.0.000153
Bacteriochlorophyll | plant anatomy | BritannicaBacteriochlorophyll | plant anatomy | Britannica
Other articles where Bacteriochlorophyll is discussed: coloration: Chlorophylls: …higher plants and green algae; ... with a different pigment, called bacteriochlorophyll, which absorbs light of long, low-energy wavelengths. These organisms ... chlorophylls of green plants, bacteriochlorophyll of photosynthetic bacteria, hemin (the red pigment of blood), and cytochromes ... higher plants and green algae; bacteriochlorophyll is found in certain photosynthetic bacteria. ...
https://www.britannica.com/science/bacteriochlorophyll
Patent US5173504 - Bacteriochlorophyll-a derivatives useful in photodynamic therapy - Google PatentsPatent US5173504 - Bacteriochlorophyll-a derivatives useful in photodynamic therapy - Google Patents
6. The composition of claim 5 wherein the compound of formula 1 is bacteriochlorophyll-a or bacteriochlorophyll-b. ... In bacteriochlorophyll-b, which can also readily be obtained from bacterial sources, R2 in the B ring is vinyl rather than ... Bacteriochlorophyll-a, obtained at ,90% purity from Porphyrin Products (Logan, UT) was dissolved at a concentration of 5 mg/ml ... The other embodiments of R2 can easily be prepared starting with bacteriochlorophyll-b by standard hydration of the vinyl group ...
http://www.google.com/patents/US5173504?dq=6246862
Terminal steps of bacteriochlorophyll a phytol formation in purple photosynthetic bacteria. - PubMed - NCBITerminal steps of bacteriochlorophyll a phytol formation in purple photosynthetic bacteria. - PubMed - NCBI
Terminal steps of bacteriochlorophyll a phytol formation in purple photosynthetic bacteria.. Shioi Y, Sasa T. ... Four chemically different bacteriochlorophylls (Bchls) a esterified with geranylgeraniol, dihydrogeranylgeraniol, ...
https://www.ncbi.nlm.nih.gov/pubmed/6609153
Bacteriochlorophyll aggregates in positively charged micellesBacteriochlorophyll aggregates in positively charged micelles
Bacteriochlorophyll a forms two complexes: One is blue-shifted and has excitonically coupled Qy transitions. The second one is ... Gottstein, J.; Scherz, A. und Scheer, Hugo (1993): Bacteriochlorophyll aggregates in positively charged micelles. In: ... Micellar complexes were prepared from bacteriochlorophyll a and bacteriopheophytin a with the cationic detergents, ...
https://epub.ub.uni-muenchen.de/2385/index.html
Photophysical consequences of coupling bacteriochlorophyll a with serine and its resulting solubility in water. - PubMed - NCBIPhotophysical consequences of coupling bacteriochlorophyll a with serine and its resulting solubility in water. - PubMed - NCBI
Photophysical consequences of coupling bacteriochlorophyll a with serine and its resulting solubility in water.. Eichwurzel I1 ... We investigated the dependence on solvents of optical absorption and emission of the bacteriochlorophyll a-serine (BChl-ser), a ... water soluble bacteriochlorophyll (BChl) derivative. Comparison between the experimental data and those collected for BChl in ...
https://www.ncbi.nlm.nih.gov/pubmed/10946574
RCSB PDB - 2WX5: Hexa-coordination of a bacteriochlorophyll cofactor in the Rhodobacter sphaeroides reaction centreRCSB PDB - 2WX5: Hexa-coordination of a bacteriochlorophyll cofactor in the Rhodobacter sphaeroides reaction centre
BACTERIOCHLOROPHYLL A. C55 H74 Mg N4 O6. DSJXIQQMORJERS-RUUWGSCADZ. Ligand Interaction. ... The B(B) bacteriochlorophyll returned to a pentacoordinated state in a double mutant where the FL181R mutation was combined ... Hexa-coordination of a bacteriochlorophyll cofactor in the Rhodobacter sphaeroides reaction centre. *DOI: 10.2210/pdb2WX5/pdb ... The structural and functional consequences of changing the coordination state of one of the bacteriochlorophyll (BChl) ...
https://www.rcsb.org/structure/2wx5
Bacteriochlorophyll | definition of bacteriochlorophyll by Medical dictionaryBacteriochlorophyll | definition of bacteriochlorophyll by Medical dictionary
What is bacteriochlorophyll? Meaning of bacteriochlorophyll medical term. What does bacteriochlorophyll mean? ... Looking for online definition of bacteriochlorophyll in the Medical Dictionary? bacteriochlorophyll explanation free. ... bacteriochlorophyll. (băk-tîr′ē-ō-klôr′ə-fĭl). n.. Any of a group of pigments, especially one having the formula C55H74MgN4O6, ... bacteriochlorophyll. Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia. bac·te·ri·o·chlo·ro·phyll. (bak-tērē-ō- ...
http://medical-dictionary.thefreedictionary.com/bacteriochlorophyll
De novo synthesis and properties of analogues of the self-assembling chlorosomal bacteriochlorophylls - New Journal of...De novo synthesis and properties of analogues of the self-assembling chlorosomal bacteriochlorophylls - New Journal of...
bacteriochlorophylls. . The synthesis here of Zn(II) 3-(1-hydroxyethyl)-10-aryl-131-oxophorbines (the aryl group. consists of ... Natural photosynthetic pigments bacteriochlorophyllsc, d and e in green bacteria undergo self-assembly. to create an organized ... of the new chlorosomal bacteriochlorophyll mimics reveal a bathochromic shift of ∼1800 cm−1 of the Qy band in nonpolar solvent ... De novo synthesis and properties of analogues of the self-assembling chlorosomal bacteriochlorophylls O. Mass, D. R. ...
http://pubs.rsc.org/en/Content/ArticleLanding/2011/NJ/c1nj20611g
EPR, ENDOR, and TRIPLE resonance studies of modified bacteriochlorophyll cation radicalsEPR, ENDOR, and TRIPLE resonance studies of modified bacteriochlorophyll cation radicals
Bacteriochlorophyll ; EPR spectrometry ; Electron nuclear double resonance ; ENDOR spectrometry ; Triple resonance ; Organic ... A series of substituted bacteriochlorophyll molecules, all used in reconstitution experiments of reaction centers of ... and TRIPLE resonance studies of modified bacteriochlorophyll cation radicals. In: Journal of Physical Chemistry, Vol. 98, No. 1 ...
https://epub.ub.uni-muenchen.de/2456/
RCSB PDB - 3OZ2: Crystal structure of a geranylgeranyl bacteriochlorophyll reductase-like (Ta0516) from Thermoplasma...RCSB PDB - 3OZ2: Crystal structure of a geranylgeranyl bacteriochlorophyll reductase-like (Ta0516) from Thermoplasma...
Crystal structure of a geranylgeranyl bacteriochlorophyll reductase-like (Ta0516) from Thermoplasma acidophilum at 1.60 A ... Crystal structure of a geranylgeranyl bacteriochlorophyll reductase-like (Ta0516) from Thermoplasma acidophilum at 1.60 A ...
https://www.rcsb.org/structure/3OZ2
Transient Raman Spectroscopy of Isotope-Substituted Species of Bacteriochlorophyll a, Bacteriopheophytin a And Chlorophyll a:...Transient Raman Spectroscopy of Isotope-Substituted Species of Bacteriochlorophyll a, Bacteriopheophytin a And Chlorophyll a:...
The S0, T1 and S1 Raman spectra of bacteriochlorophyll a, bacteriopheophytin a and chlorophyll a were recorded for the species ... Transient Raman Spectroscopy of Isotope-Substituted Species of Bacteriochlorophyll a, Bacteriopheophytin a And Chlorophyll a: ...
https://www.hindawi.com/journals/lc/1999/012721/abs/
A BchD (Magnesium Chelatase) Mutant of Rhodobacter Sphaeroides Synthesizes Zinc Bacteriochlorophyll Through Novel Zinc...A BchD (Magnesium Chelatase) Mutant of Rhodobacter Sphaeroides Synthesizes Zinc Bacteriochlorophyll Through Novel Zinc...
Heme and bacteriochlorophyll a (BChl) biosyntheses share the same pathway to protoporphyrin IX, which then branches as follows ... Heme and bacteriochlorophyll a (BChl) biosyntheses share the same pathway to protoporphyrin IX, which then branches as follows ... A BchD (Magnesium Chelatase) Mutant of Rhodobacter Sphaeroides Synthesizes Zinc Bacteriochlorophyll Through Novel Zinc- ...
https://pubmed.ncbi.nlm.nih.gov/21502322/
Time series observation based InfraRed Epifluorescence Microscopic (TIREM) approach for accurate enumeration of...Time series observation based InfraRed Epifluorescence Microscopic (TIREM) approach for accurate enumeration of...
Bacteriochlorophyll a Containing Microbes (BCM) are a unique group of microorganisms in the marine environment. Accurate ... Bacteriochlorophylls / metabolism*. Image Processing, Computer-Assisted / methods*. Infrared Rays*. Microscopy, Fluorescence / ... Bacteriochlorophyll a Containing Microbes (BCM) are a unique group of microorganisms in the marine environment. Accurate ... approach for accurate enumeration of bacteriochlorophyll-containing microbes in marine environments. ...
http://www.biomedsearch.com/nih/Time-series-observation-based-InfraRed/16213618.html
Selective and Safe PDT in the Monkey Using WST11, a Water Soluble Bacteriochlorophyll Derivate | IOVS | ARVO JournalsSelective and Safe PDT in the Monkey Using WST11, a Water Soluble Bacteriochlorophyll Derivate | IOVS | ARVO Journals
Selective and Safe PDT in the Monkey Using WST11, a Water Soluble Bacteriochlorophyll Derivate ... Selective and Safe PDT in the Monkey Using WST11, a Water Soluble Bacteriochlorophyll Derivate ... a Water Soluble Bacteriochlorophyll Derivate. Invest. Ophthalmol. Vis. Sci. 2007;48(13):3431. ...
https://iovs.arvojournals.org/article.aspx?articleid=2386136
Characterization of novel bacteriochlorophyll-<em>a</em>-containing red filaments from alkaline hot springs in Yellowstone...Characterization of novel bacteriochlorophyll-<em>a</em>-containing red filaments from alkaline hot springs in Yellowstone...
Characterization of novel bacteriochlorophyll-a-containing red filaments from alkaline hot springs in Yellowstone National Park ... Filaments contained densely layered intracellular membranes and bacteriochlorophyll a. The in vivo absorption spectrum of the ... red layer filaments was distinct from other phototrophs, with unusual bacteriochlorophyll a signature peaks in the near- ...
http://www.rcn.montana.edu/Publications/Detail.aspx?id=49
5lcb » Bacteriochlorophyll c-binding protein, complex with chlorophyll - Orientations of Proteins in Membranes (OPM) database5lcb » Bacteriochlorophyll c-binding protein, complex with chlorophyll - Orientations of Proteins in Membranes (OPM) database
5lcb » Bacteriochlorophyll c-binding protein, complex with chlorophyll. 3D view in Jmol or Webmol Download Coordinates Topology ... Comments on 5lcb » Bacteriochlorophyll c-binding protein, complex with chlorophyll. The protein is actually located in ...
http://opm.phar.umich.edu/protein.php?pdbid=5lcb
Bacteriochlorophyll and community structure of aerobic anoxygenic phototrophic bacteria in a particle-rich estuary - Semantic...Bacteriochlorophyll and community structure of aerobic anoxygenic phototrophic bacteria in a particle-rich estuary - Semantic...
... bacteriochlorophyll a (BChl a) and the diversity of pufM and 16S ribosomal RNA (rRNA) genes in the Chesapeake Bay. ... Bacteriochlorophyll and community structure of aerobic anoxygenic phototrophic bacteria in a particle-rich estuary. @article{ ... Abundance, depth distribution, and composition of aerobic bacteriochlorophyll a-producing bacteria in four basins of the ... Cottrell2010BacteriochlorophyllAC, title={Bacteriochlorophyll and community structure of aerobic anoxygenic phototrophic ...
https://www.semanticscholar.org/paper/Bacteriochlorophyll-and-community-structure-of-in-a-Cottrell-Ras/52fae5562700c9eb284504ba1ccd2ca3ece89bb6
Contribution of bacteriochlorophyll conformation to the distribution of site-energies in the FMO proteinContribution of bacteriochlorophyll conformation to the distribution of site-energies in the FMO protein
MacGowan S.A, Senge M.O, Contribution of bacteriochlorophyll conformation to the distribution of site-energies in the FMO ... Contribution of bacteriochlorophyll conformation to the distribution of site-energies in the FMO protein. ... The structural data for the Fenna-Matthews-Olson (FMO) protein indicate that the bacteriochlorophylls (BChls) display a ...
http://www.tara.tcd.ie/handle/2262/78919
Chlorophyll a - WikipediaChlorophyll a - Wikipedia
These organisms use bacteriochlorophyll and some chlorophyll a but do not produce oxygen. Anoxygenic photosynthesis is the term ... The porphyrin ring of bacteriochlorophyll is saturated, and lacking alternation of double and single bonds causing variation in ... "Singlet and triplet excited state properties of natural chlorophylls and bacteriochlorophylls". Photosynthesis Research. 106 (3 ...
https://en.wikipedia.org/wiki/Chlorophyll_a
Blastomonas - WikipediaBlastomonas - Wikipedia
nov., a bacteriochlorophyll-containing bacterium isolated from lake water". International Journal of Systematic and ...
https://en.wikipedia.org/wiki/Blastomonas
Phylogeny of anoxygenic photosynthesis based on sequences of photosynthetic reaction center proteins and a key enzyme in...Phylogeny of anoxygenic photosynthesis based on sequences of photosynthetic reaction center proteins and a key enzyme in...
... bacteriochlorophyll biosynthesis;,br/,phototrophic purple bacteria; evolution of anoxygenic photosynthesis; Title: Phylogeny of ... anoxygenic photosynthesis based on sequences of photosynthetic reaction center proteins and a key enzyme in bacteriochlorophyll ... Free keywords: phylogeny; photosynthetic reaction center proteins; bacteriochlorophyll biosynthesis; phototrophic purple ... The phylogenetic relations demonstrated that bacteriochlorophyll biosynthesis had evolved in ancestors of phototrophic green ...
https://pure.mpg.de/pubman/faces/ViewItemFullPage.jsp?itemId=item_3184788
Taxonomy and evolution of bacteriochlorophyll a -containing members of the OM60/NOR5 clade of marine gammaproteobacteria:...Taxonomy and evolution of bacteriochlorophyll a -containing members of the OM60/NOR5 clade of marine gammaproteobacteria:...
An affiliation of the characterized bacteriochlorophyll a-containing strains to different genera was indicated by significant ... All analyzed strains contained bacteriochlorophyll a and spirilloxanthin as photosynthetic pigments. Besides a detailed ... Spring S, Riedel T: Mixotrophic growth of bacteriochlorophyll a-containing members of the OM60/NOR5 clade of marine ... The concentrations of bacteriopheophytin a, bacteriochlorophyll a and spirilloxanthin in the acetone/methanol extracts were ...
https://bmcmicrobiol.biomedcentral.com/articles/10.1186/1471-2180-13-118
Chlorophylls And Bacteriochlorophylls: Biochemistry, Biophysics, Functions And Applications 2006Chlorophylls And Bacteriochlorophylls: Biochemistry, Biophysics, Functions And Applications 2006
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Biosynthesis of (bacterio)chlorophylls: ATP-dependent transient subunit interaction and electron transfer of dark operative...Biosynthesis of (bacterio)chlorophylls: ATP-dependent transient subunit interaction and electron transfer of dark operative...
... the last common precursor of chlorophyll a and bacteriochlorophyll a biosynthesis. During ATP-dependent DPOR catalysis the ... Biosynthesis of (bacterio)chlorophylls: ATP-dependent transient subunit interaction and electron transfer of dark operative ... article{Brcker2010BiosynthesisO, title={Biosynthesis of (bacterio)chlorophylls: ATP-dependent transient subunit interaction and ... the last common precursor of chlorophyll a and bacteriochlorophyll a biosynthesis. During ATP-dependent DPOR catalysis the ...
https://www.semanticscholar.org/paper/Biosynthesis-of-%28bacterio%29chlorophylls%3A-transient-Br%C3%B6cker-W%C3%A4tzlich/10791e6c0be9fd388ab4d5b1354e8000f944488b
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BacteriochlorophyllsRhodobacter sphaeroidesPheophytinsChloroflexusPhotosynthetic Reaction Center Complex ProteinsLight-Harvesting Protein ComplexesChlorobiBacterial ChromatophoresChlorophyllPhotosynthesisSpectrophotometryPhotochemotherapyPhotosensitizing AgentsPatents as TopicDihematoporphyrin EtherPorphyrinsAminolevulinic AcidHematoporphyrin PhotoradiationPhytolPubMedRhodospirillumRhodopseudomonasPeriodicals as TopicChromatiumOrganosilicon CompoundsSpectrum Analysis, RamanEnergy TransferMacrocyclic CompoundsEcosystemCarbon CycleBacteriochlorophyll ALeptospira interrogans serovar pomonaSeawaterWyomingHot SpringsWolvesSulfolobalesArchaeal VirusesBisonMontanaNative Polyacrylamide Gel ElectrophoresisChlorobiumAccess to InformationJournal Impact FactorPeer Review, ResearchPublishingBook Reviews as TopicBook Reviews
VivoProteinsChemistryBChlChlorophyllsGreen bacteriaPhotosynthesisBacteria employing bacteriocDimerCarotenoidsChlorophyll and bacteriochlorophyllContain bacteriochlorophyllAerobic bacteriochlorophyllOxidationBacteriopheophytinRhodobacterPigmentsStrainsPigmentBacteriumElectron-transferChlorobiumAnoxygenicBchlsBiosynthesesReaction centerTrimerNitrogenasePhotosystemsPurpleDissolved organiEnergy is transferredChlorophyllideCompoundMutant
Vivo1
  • for the S{sub 1} excited state of relative to S{sub 0} of bacteriochlorophyll in vivo was observed which provides an alternative method for probing excited state dynamics and a potential application for molecular switching. (unt.edu)
Proteins1
  • Enhancement of the nonresonant second order molecular hyperpolarizabilities {gamma} were observed in stacked macrocyclic molecular systems, previously in a {micro}-oxo silicon phthalocyanine (SiPcO) monomer, dimer and trimer series, and now in bacteriochlorophyll a (BChla) arrays of light harvesting (LH) proteins. (unt.edu)
Chemistry1
  • The first dedicated new work since 1991, this book reviews recent progress and current studies in the chemistry, metabolism and spectroscopy of chlorophylls, bacteriochlorophylls and their protein complexes. (moluna.de)
BChl8
  • We investigated the dependence on solvents of optical absorption and emission of the bacteriochlorophyll a-serine (BChl-ser), a water soluble bacteriochlorophyll (BChl) derivative. (nih.gov)
  • The structural and functional consequences of changing the coordination state of one of the bacteriochlorophyll (BChl) cofactors in the purple bacterial reaction center have been explored. (rcsb.org)
  • Heme and bacteriochlorophyll a (BChl) biosyntheses share the same pathway to protoporphyrin IX, which then branches as follows. (nih.gov)
  • Involved in the tetrapyrrole biosynthetic pathways leading to chlorophyll and bacteriochlorophyll (BChl). (uniprot.org)
  • They make use of a homodimeric type I reaction center (RC) that contains ~20 antenna bacteriochlorophyll (BChl) g molecules, a special pair of BChl g′ molecules (P 800 ), two 8 1 -OH-Chl a F molecules (A 0 ), a [4Fe-4S] iron-sulfur cluster (F X ), and a carotenoid (4,4′-diaponeurosporene). (elsevier.com)
  • Chlorosomes are the light-harvesting organelles in photosynthetic green bacteria and typically contain large amounts of bacteriochlorophyll (BChl) c in addition to smaller amounts of BChl a , carotenoids, and several protein species. (montana.edu)
  • Three genes, bchL, bchN and bchB, are involved in light-independent protochlorophyllide reduction in bacteriochlorophyll biosynthesis. (ebi.ac.uk)
  • In the FMO complex, seven bacteriochlorophyll proteins are present (BChl a). (kenyon.edu)
Chlorophylls44
  • chlorophylls of green plants, bacteriochlorophyll of photosynthetic bacteria, hemin (the red pigment of blood), and cytochromes, a group of pigment molecules essential in both photosynthesis and cellular respiration. (britannica.com)
  • Experimental evidence of hexacoordinated bacteriochlorophylls in the literature on antenna proteins is considered, and possible reasons why hexacoordinated bacteriochlorophylls and chlorophylls appear to be avoided in photosynthetic proteins are discussed. (rcsb.org)
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  • The first dedicated new work since 1991, this book reviews recent progress and current studies in the chemistry, metabolism and spectroscopy of chlorophylls, bacteriochlorophylls and their protein complexes. (moluna.de)
  • The photons of the sunlight are absorbed by so-called antenna pigments (chlorophylls, bacteriochlorophylls and carotenoids) and the excitation energy is transferred to the photosynthetic reaction centre (RC), where transmembrane charge transfer reactions are driven. (igi-global.com)
  • Protochlorophyllide reductase catalyzes the reductive formation of chlorophyllide from protochlorophyllide during biosynthesis of chlorophylls and bacteriochlorophylls. (ebi.ac.uk)
Green bacteria2
  • Natural photosynthetic pigments bacteriochlorophylls c , d and e in green bacteria undergo self-assembly to create an organized antenna system known as the chlorosome, which collects photons and funnels the resulting excitation energy toward the reaction centers. (rsc.org)
  • The phylogenetic relations demonstrated that bacteriochlorophyll biosynthesis had evolved in ancestors of phototrophic green bacteria much earlier as compared to phototrophic purple bacteria and that multiple events independently formed different lineages of aerobic phototrophic purple bacteria, many of which have very ancient roots. (mpg.de)
Photosynthesis3
Bacteria employing bacterioc1
  • A special relationship exists between the PufLM sequences of those bacteria employing bacteriochlorophyll b instead of bacteriochlorophyll a . (frontiersin.org)
Dimer4
  • Enhancement of the nonresonant second order molecular hyperpolarizabilities {gamma} were observed in stacked macrocyclic molecular systems, previously in a {micro}-oxo silicon phthalocyanine (SiPcO) monomer, dimer and trimer series, and now in bacteriochlorophyll a (BChla) arrays of light harvesting (LH) proteins. (unt.edu)
  • Allen JP, Williams JC (1995) Relationship between the oxidation potential of the bacteriochlorophyll dimer and electron-transfer in photosynthetic reaction centers. (springer.com)
  • The primary electron donor in the photosynthetic reaction center from purple bacteria is a bacteriochlorophyll dimer containing four conjugated carbonyl groups that may form hydrogen bonds with amino acid residues. (elsevier.com)
  • The ability of Mn-oxides to bind to modified bacterial reaction centers and transfer an electron to the light-induced oxidized bacteriochlorophyll dimer, P + , was characterized using optical spectroscopy. (elsevier.com)
Carotenoids1
  • Photosynthetic pigments were bacteriochlorophyll b and carotenoids with spectral characteristics similar to 3,4,3',4'-tetrahydrospirilloxanthin. (geomar.de)
Chlorophyll and bacteriochlorophyll1
  • We have studied the effect of axial ligation of chlorophyll and bacteriochlorophyll using density functional calculations. (springer.com)
Contain bacteriochlorophyll2
  • Finally about 300 strains were found to contain bacteriochlorophyll a. (nii.ac.jp)
  • Publications] Shiba,T.: 'Roseobacter litoralis gen.no.,sp.nov.,and Roseobactor denitrificans sp.nov.,aerobic pinkーpigmented bacteria which contain bacteriochlorophyll. (nii.ac.jp)
Aerobic bacteriochlorophyll5
  • Abundance, depth distribution, and composition of aerobic bacteriochlorophyll a-producing bacteria in four basins of the central Baltic Sea. (semanticscholar.org)
  • nov., an aerobic bacteriochlorophyll-synthesizing budding bacterium from fresh water. (microbiologyresearch.org)
  • nov., an aerobic bacteriochlorophyll-containing bacterium isolated from acidic environments. (microbiologyresearch.org)
  • DNA relatedness and chemotaxonomic feature of aerobic bacteriochlorophyll-containing bacteria isolated from coasts of Australia. (microbiologyresearch.org)
  • nov.,novel aerobic bacteriochlorophyll a -containing bacteria from soil. (microbiologyresearch.org)
Oxidation1
  • We have identified many novel sedimentary products from chlorophyll oxidation and from bacteriochlorophylls. (york.ac.uk)
Bacteriopheophytin2
  • Micellar complexes were prepared from bacteriochlorophyll a and bacteriopheophytin a with the cationic detergents, cetyltrimethyl ammonium bromide and cetylpyridinium chloride. (uni-muenchen.de)
  • The S 0 , T 1 and S 1 Raman spectra of bacteriochlorophyll a , bacteriopheophytin a and chlorophyll a were recorded for the species of natural abundance isotopic composition and those of totally substituted with 15 N, 13 C and 2 H isotopes. (hindawi.com)
Rhodobacter1
Pigments2
  • Strain Ivo14 T was characterized using a polyphasic approach and compared with other red-pigmented members of the OM60/NOR5 clade, including Congregibacter litoralis DSM 17192 T , Haliea rubra DSM 19751 T and Chromatocurvus halotolerans DSM 23344 T . All analyzed strains contained bacteriochlorophyll a and spirilloxanthin as photosynthetic pigments. (biomedcentral.com)
  • Bacteriochlorophylls are photosynthetic pigments that occur in various phototrophic bacteria . (omicsgroup.org)
Strains2
  • Four orange-pigmented and seven pink-pigmented strains of bacteria which contained bacteriochlorophyll a were isolated from high-tidal seaweeds, such as Enteromorpha linza (L.) J. Ag. (microbiologyresearch.org)
  • Four strains of purple sulfur bacteria containing bacteriochlorophyll b were isolated from cyanobacterial mats of soda lakes in the steppe of south-east Siberia, Russia. (geomar.de)
Pigment1
  • with a different pigment, called bacteriochlorophyll, which absorbs light of long, low-energy wavelengths. (britannica.com)
Bacterium4
  • A novel aerobic, chemoheterotrophic, bacteriochlorophyll-containing bacterium, strain OCh 323 T , was isolated from sand at Monkey Mia, Shark Bay, located on the west coast of Australia. (microbiologyresearch.org)
  • nov. a budding bacterium with variable bacteriochlorophyll a production from hypersaline Ekho Lake. (microbiologyresearch.org)
  • nov., a new alkaliphilic purple sulfur bacterium with bacteriochlorophyll b. (geomar.de)
  • They further determined that the bacterium makes two types of chlorophyll, bacteriochlorophyll a and c. (photonics.com)
Electron-transfer1
  • Hexacoordination of B(B) produced a small increase in the lifetime of the excited electronic state of the primary donor bacteriochlorophylls (P*), indicating some disturbance to light-driven energy and/or electron transfer events on the time scale of a few picoseconds after light excitation. (rcsb.org)
Chlorobium1
  • 2003). "Characterization of Chlorobium tepidum chlorosomes: A calculation of bacteriochlorophyll c per chlorosome and oligomer modeling. (freepatentsonline.com)
Anoxygenic1
  • Concentrations of bacteriochlorophyll a , zeaxanthin and divinyl chlorophyll a were measured in order to relate 3 H-leucine uptake to the distribution of aerobic anoxygenic phototrophs (AAPs), total Cyanobacteria and Prochlorococcus populations, respectively, together with direct estimates of total prokaryotes and Synechococcus abundance. (int-res.com)
Bchls2
  • Four chemically different bacteriochlorophylls (Bchls) a esterified with geranylgeraniol, dihydrogeranylgeraniol, tetrahydrogeranylgeraniol, and phytol have been detected by high-pressure liquid chromatography in cell extracts from Rhodopseudomonas sphaeroides and Chromatium vinosum. (nih.gov)
  • The structural data for the Fenna-Matthews-Olson (FMO) protein indicate that the bacteriochlorophylls (BChls) display a significant degree of conformational heterogeneity of their peripheral substituents and the protein-induced nonplanar skeletal deformations of the tetrapyrrole macrocycle. (tcd.ie)
Biosyntheses1
  • Journal Article] In vitro enzymatic assays of photosynthetic bacterial 3-vinyl hydratases for bacteriochlorophyll biosyntheses. (nii.ac.jp)
Reaction center1
  • The first near-atomic structure of the LH1-RC complex between the light-harvesting antenna core complex (LH1) and the photosynthetic reaction center (RC) precisely elucidated the architecture of protein subunits in the complex and the positions and orientations of cofactors (*3) such as bacteriochlorophyll (*2) bound to the complex. (or.jp)
Trimer1
Nitrogenase1
  • In vitro confirmation of nitrogenase-like features of a bacteriochlorophyll biosynthesis enzyme. (ebi.ac.uk)
Photosystems1
  • Two different photosystems for performing bacteriochlorophyll-mediated photosynthetic energy conversion are employed in different bacterial phyla. (frontiersin.org)
Purple3
  • Terminal steps of bacteriochlorophyll a phytol formation in purple photosynthetic bacteria. (nih.gov)
  • Reversible changes in bacteriochlorophyll in purple bacteria upon illumination. (springer.com)
  • B) Positions and orientations of bacteriochlorophylls in LH1 (purple) and in RC (red-purple). (or.jp)
Dissolved organi2
  • It is hypothesized that light-stimulated rates of dissolved organic carbon uptake by bacteriochlorophyll a containing bacteria confer a slight competitive advantage over bacteria that lack this photosynthetic machinery. (int-res.com)
  • In contrast, bacteriochlorophyll a concentration was correlated to total prokaryote abundance and dissolved organic carbon. (int-res.com)
Energy is transferred1
  • Light energy is transferred to RC's bacteriochlorophylls. (or.jp)
Chlorophyllide1
  • Dark operative protochlorophyllide oxidoreductase (DPOR) catalyzes the light-independent two-electron reduction of protochlorophyllide a to form chlorophyllide a, the last common precursor of chlorophyll a and bacteriochlorophyll a biosynthesis. (semanticscholar.org)
Compound1
  • 6. The composition of claim 5 wherein the compound of formula 1 is bacteriochlorophyll-a or bacteriochlorophyll-b. (google.com)
Mutant1
  • The B(B) bacteriochlorophyll returned to a pentacoordinated state in a double mutant where the FL181R mutation was combined with removal of the native axial ligand through mutation of His M182 to Leu. (rcsb.org)
Infrared and Raman Spectra of Inorganic and Coordination Compounds, Part B: Applications in Coordination, Organometallic, and...
Infrared and Raman Spectra of Inorganic and Coordination Compounds, Part B: Applications in Coordination, Organometallic, and... (wiley.com)
Designing photosystem II: molecular engineering of photo-catalytic proteins | SpringerLink
Designing photosystem II: molecular engineering of photo-catalytic proteins | SpringerLink (link.springer.com)
Protoporphyrin IX - Wikipedia
Protoporphyrin IX - Wikipedia (en.wikipedia.org)
Siroheme - Wikipedia
Siroheme - Wikipedia (en.wikipedia.org)
Heme - Wikipedia
Heme - Wikipedia (en.wikipedia.org)
Protochlorophyllide - Wikipedia
Protochlorophyllide - Wikipedia (en.wikipedia.org)
The role of axial ligands for the structure and function of chlorophylls | SpringerLink
The role of axial ligands for the structure and function of chlorophylls | SpringerLink (link.springer.com)
Bacteriochlorophyll | plant anatomy | Britannica
Bacteriochlorophyll | plant anatomy | Britannica (britannica.com)
The Prospect of Purple Non-Sulfur (PNS) Photosynthetic Bacteria for Hydrogen Production: The Present State of the Art |...
The Prospect of Purple Non-Sulfur (PNS) Photosynthetic Bacteria for Hydrogen Production: The Present State of the Art |... (link.springer.com)
RCSB PDB - 2WX5: Hexa-coordination of a bacteriochlorophyll cofactor in the Rhodobacter sphaeroides reaction centre
RCSB PDB - 2WX5: Hexa-coordination of a bacteriochlorophyll cofactor in the Rhodobacter sphaeroides reaction centre (rcsb.org)
The Purple Phototrophic Bacteria | SpringerLink
The Purple Phototrophic Bacteria | SpringerLink (link.springer.com)
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Characterization of mercury(II)-induced inhibition of photochemistry in the reaction center of photosynthetic bacteria |... (link.springer.com)
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Conformation of self-assembled porphyrin dimers in liposome vesicles by phase-modulation 2D fluorescence spectroscopy | PNAS (pnas.org)
The Family Chloroflexaceae | SpringerLink
The Family Chloroflexaceae | SpringerLink (link.springer.com)
Protein engineering of cytochrome b562 for quinone binding and light-induced electron transfer | PNAS
Protein engineering of cytochrome b562 for quinone binding and light-induced electron transfer | PNAS (pnas.org)
In situ high-resolution structure of the baseplate antenna complex in Chlorobaculum tepidum | Nature Communications
In situ high-resolution structure of the baseplate antenna complex in Chlorobaculum tepidum | Nature Communications (nature.com)
The influence of quaternary structure on the stability of Fenna-Matthews-Olson (FMO) antenna complexes | SpringerLink
The influence of quaternary structure on the stability of Fenna-Matthews-Olson (FMO) antenna complexes | SpringerLink (link.springer.com)
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Chapter 11 B&A Diversity Flashcards by | Brainscape
Chapter 11 B&A Diversity Flashcards by | Brainscape (brainscape.com)
Frontiers | Photosynthesis Is Widely Distributed among Proteobacteria as Demonstrated by the Phylogeny of PufLM Reaction Center...
Frontiers | Photosynthesis Is Widely Distributed among Proteobacteria as Demonstrated by the Phylogeny of PufLM Reaction Center... (frontiersin.org)
Stories and photographs of William A. Arnold (1904-2001), a pioneer of photosynthesis and a wonderful friend | SpringerLink
Stories and photographs of William A. Arnold (1904-2001), a pioneer of photosynthesis and a wonderful friend | SpringerLink (link.springer.com)
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The chlL ( frxC) gene: Phylogenetic distribution in vascular plants and DNA sequence from Polystichum acrostichoides (... (link.springer.com)
Characterization of key bacterial species in the Daphnia magna microbiota using shotgun metagenomics | Scientific Reports
Characterization of key bacterial species in the Daphnia magna microbiota using shotgun metagenomics | Scientific Reports (nature.com)
The Light Reactions of Photosynthesis | HubPages
The Light Reactions of Photosynthesis | HubPages (hubpages.com)
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Dynamic Distribution of Gut Microbiota and the Relationship with Apparent Crude Fiber Digestibility and Growth in Pigs | The... (thepigsite.com)
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Bessel Kok | Biographical Memoirs: V.57 | The National Academies Press
Bessel Kok | Biographical Memoirs: V.57 | The National Academies Press (nap.edu)
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P77799 | SWISS-MODEL Repository (swissmodel.expasy.org)
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View source for Three Domains of Life - microbewiki (microbewiki.kenyon.edu)
Control of Peripheral Light-Harvesting Complex Synthesis by a Bacteriophytochrome in the Aerobic Photosynthetic Bacterium...
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Structure and Sequence of the Photosynthesis Gene Cluster | SpringerLink (link.springer.com)
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Metalloproteins - Methods and Protocols | YILIN HU | Springer (springer.com)
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The Full Palette of Photosynthesis - Astrobiology Magazine (astrobio.net)