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Phototrophic ProcessesChloroflexiChloroflexusBacteriochlorophyll ARhodobacterBacteria, AerobicAerobiosisPhotosynthesisSeawaterBacteriaRhodopseudomonasChromatiaceaePhylogenyRhodobacter capsulatusChlorobiBacteriochlorophyllsRhodospirillumRhodobacter sphaeroidesChromatiumRhodospirillaceaeAlphaproteobacteriaRNA, Ribosomal, 16SProteobacteriaAnaerobiosisMolecular Sequence DataBacterial ProteinsDNA, BacterialGram-Negative BacteriaGram-Positive BacteriaRoseobacterDNA, RibosomalGammaproteobacteriaSequence Analysis, DNAWater MicrobiologyPhotosynthetic Reaction Center Complex ProteinsPigments, BiologicalAutotrophic ProcessesBacteria, AnaerobicGenes, BacterialFresh WaterLightSulfidesCytochromes c2CarbonRNA, BacterialGenome, BacterialCarotenoidsSteviaGene Expression Regulation, BacterialOxidation-ReductionOxidoreductasesRhodospirillum rubrumSulfurCyanobacteriaEcosystemGenes, rRNABacterial Physiological PhenomenaBetaproteobacteriaGeologic SedimentsAmino Acid SequenceNitrogen FixationCytochrome c GroupEscherichia coliSpecies SpecificityHot SpringsQuaternary Ammonium CompoundsThiocapsaSequence Homology, Amino AcidBase SequenceEarth (Planet)HydrogenThiosulfatesSoil MicrobiologyNitrogenaseProchlorococcusBase CompositionArsenate ReductasesEctothiorhodospiraGram-Negative Aerobic BacteriaCloning, MolecularRhodovulumGram-Negative Anaerobic BacteriaCulture MediaAnti-Bacterial AgentsNitrogen

PhotosynthesisPhotosynthetic bacteriaAnaerobicErythrobacterProteobacteriaHeterotrophic bacteriaMicroorganismsProkaryotesArchaeaFreshwaterOxygenicHydrothermalFractionAAPBAquaticMicrobesMotileOxidationBacterialStrainDenitrificansSedimentsClosely relatedAbundanceSpeciesMarineOxygenOrganismsAdaptationCommunitySurfaceBodiesStructuresGreenFoundPurpleActiveConditionsVarietySizeFunction

Photosynthesis7

• Aerobic anoxygenic phototrophic bacteria (AAPBs) are Alphaproteobacteria and Gammaproteobacteria that are obligate aerobes that capture energy from light by anoxygenic photosynthesis. (wikipedia.org)
• Anoxygenic photosynthesis is the phototrophic process where light energy is captured and stored as ATP. (wikipedia.org)
• Marine bacterium capable of aerobic anoxygenic photosynthesis. (up.ac.za)
• Cyanobacteria 0 domande A phylum of oxygenic photosynthetic bacteria comprised of unicellular to multicellular bacteria possessing CHLOROPHYLL a and carrying out oxygenic PHOTOSYNTHESIS. (lookformedical.com)
• The sudden injection of highly reactive free oxygen, toxic to the then-mostly anaerobic biosphere, may have caused the extinction of many existing organisms on Earth - then mostly archaeal colonies that used retinal to utilize green-spectrum light energy and power a form of anoxygenic photosynthesis (see Purple Earth hypothesis ). (wikipedia.org)
• It also fixes carbon in the anoxygenic photosynthesis in one type of Pseudomonadota called purple bacteria, and in some non-phototrophic Pseudomonadota. (encyclopedia.pub)
• 17. Anoxygenic photosynthesis is characteristic of (AIPMT 2014) (a) Rhodospirillum (b) Spirogyra (c) Chlamydomonas (d) Ulva. (recruitmenttopper.com)

Photosynthetic bacteria4

• Photosynthetic bacteria. (udel.edu)
• Among them are cyanobacteria and eukaryotic phototrophs, aerobic heterotrophic and chemoautotrophic bacteria, protozoa, anoxygenic photosynthetic bacteria, and other types of microorganisms. (epa.gov)
• In contrast, older iron formations were deposited in anoxic oceans , where ferrous iron oxidation by anoxygenic photosynthetic bacteria was likely an important process. (docslib.org)
• The measured fluorescence transients are processed by FRR application software (included), allowing for the quantification of a wide range of biophysical characteristics that determine photosynthetic performance of marine and fresh-water algae and photosynthetic bacteria. (soliense.com)

Anaerobic6

• One aspect of these bacteria is that they, unlike other similar bacteria, are unable to utilize BChl (bacteriochlorophyll) for anaerobic growth. (wikipedia.org)
• Anaerobic phototrophic bacteria, on the contrary, can contain numerous species of photosynthetic pigments like bacteriochlorophyll-a. (wikipedia.org)
• Fusobatteri 0 domande A phylum of anaerobic, gram-negative bacteria with a chemoorganotrophic heterotrophic metabolism. (lookformedical.com)
• Studies of a pckA-lacZ gene fusion indicated that when cells were grown in minimal media with various carbon sources, such as succinate, malate, pyruvate, lactate, or ethanol, under both anaerobic light and aerobic dark conditions, the pckA gene was induced in log phase, irrespective of the carbon source. (asm.org)
• It has been found in strict anaerobic or microaerobic bacteria (as Aquificales ) and anaerobic archea. (encyclopedia.pub)
• As more and more organisms are sequenced and cultured, we are learning about an increasing range of microbial metabolisms and chemistries, especially from anaerobic bacteria. (wisc.edu)

Erythrobacter4

• There are two marine (Erythrobacter and Roseobacter) and six freshwater (Acidiphilium, Erythromicrobium, Blastomonas (synonym: Erythromonas), Porphyrobacter, Roseococcus, and Sandaracinobacter) genera of these bacteria. (wikipedia.org)
• The enlarged spheroplasts of Lelliottia amnigena , belonging to the family Enterobacteriaceae, formed vacuole-like structures, while those of the aerobic photosynthetic marine bacterium Erythrobacter litoralis did not form such structures. (aimspress.com)
• Takayanagi A, Takahashi S, Nishida H (2016) Requirement of dark culture condition for enlargement of spheroplasts of the aerobic anoxygenic photosynthetic marine bacterium Erythrobacter litoralis . (aimspress.com)
• 16S rRNA analysis revealed that this organism was most closely related to members of the genus Erythrobacter, aerobic anoxygenic phototrophic bacteria within the α-4 subgroup of the Proteobacteria (α-4 Proteobacteria). (elsevierpure.com)

Proteobacteria2

• This is the first report of Mn(II) oxidation within the α-4 Proteobacteria as well as the first Mn(II)-oxidizing proteins identified in a marine gram-negative bacterium. (elsevierpure.com)
• The subsequent adaptation of surviving archaea via symbiogenesis with aerobic proteobacteria (which went endosymbiont and became mitochondria ) may have led to the rise of eukaryotic organisms and the subsequent evolution of multicellular life-forms. (wikipedia.org)

Heterotrophic bacteria2

• Aerobic anoxygenic phototrophic bacteria accounted for a small proportion of total heterotrophic bacteria but contributed up to 4% of bacterial carbon content. (ogs.it)
• 26. The most abundant prokaryotes helpful to humans in making curd from milk and in production of antibiotics are the ones categorised as (Prelims 2012) (a) cyanobacteria (b) archaebacteria (c) chemosynthetic autotrophs (d) heterotrophic bacteria. (recruitmenttopper.com)

Microorganisms2

• Microorganisms is pleased to solicit manuscripts for a Special Issue on "Phototrophic Bacteria", with Guest Editors Robert Blankenship and Matthew Sattley. (mdpi.com)
• Agricultural Inoculants 0 domande Beneficial microorganisms (bacteria or fungi) encapsulated in carrier material and applied to the environment for remediation and enhancement of agricultural productivity. (lookformedical.com)

Prokaryotes2

• Of phototrophic prokaryotes in the ocean, AAP bacteria are the third most numerous group. (wikipedia.org)
• Aerobic anoxygenic phototrophic (AAP) bacteria are abundant in estuaries, coastal regions and in the open ocean, comprising 1-30% of total prokaryotes. (udel.edu)

Archaea4

• Eukaryota 16 domande One of the three domains of life (the others being BACTERIA and ARCHAEA), also called Eukarya. (lookformedical.com)
• Archaea 0 domande One of the three domains of life (the others being BACTERIA and Eukarya), formerly called Archaebacteria under the taxon Bacteria, but now considered separate and distinct. (lookformedical.com)
• While archaea resemble bacteria in morphology and genomic organization, they resemble eukarya in their method of genomic replication. (lookformedical.com)
• Of the five other autotrophic pathways, two are known only in bacteria (the reductive citric acid cycle and the 3-hydroxypropionate cycle), two only in archaea (two variants of the 3-hydroxypropionate cycle), and one in both bacteria and archaea (the reductive acetyl CoA pathway). (encyclopedia.pub)

Freshwater2

• The difference between the activity of AAP bacteria and other bacteria was greatest in high salinity waters and was lowest in freshwater. (udel.edu)
• In the present study we investigated the dynamics of AAP bacteria in freshwater plateau lakes. (pjoes.com)

Oxygenic1

• The Issue is targeted towards research on all types of phototrophic bacteria, including both anoxygenic and oxygenic forms. (mdpi.com)

Hydrothermal2

• A new strain of aerobic anoxygenic phototrophic bacteria, JF-1, was recently isolated from deep-ocean hydrothermal vent waters. (wikipedia.org)
• General Information: The aerobic phototrophic bacteria are ubiquitous as plant symbionts, free-living in lakes and ocean surface waters, soils and even near deep sea hydrothermal vents. (up.ac.za)

Fraction1

• A High Fraction of Aerobic Anoxygenic Phototrophic Bacteria in Metagenomes from a Coastal Bay (Arraial do Cabo--Brazil). (bvsalud.org)

AAPB2

• Current data suggests that marine bacteria have generation times of several days, whereas new evidence exists that shows AAPB to have a much shorter generation time. (wikipedia.org)
• The key to determining their role in marine ecosystems was originally thought to be the AAPB in total bacteria (AAPB%), however, this no longer seems to be the case because AAPB have been found to be much larger than other aquatic bacteria and so their actual effect on production is now thought to be much larger than their abundance would suggest. (wikipedia.org)

Aquatic2

• Aerobic anoxygenic phototrophic bacteria are photoheterotrophic (phototroph) microbes that exist in a variety of aquatic environments. (wikipedia.org)
• Our present work revealed extreme dynamics of AAP bacteria in both water columns and non-euphotic sediments of plateau aquatic ecosystems, which consolidated their wide distribution and enhanced adaptation. (pjoes.com)

Microbes1

• Aerobic anoxygenic phototrophic (AAP) bacteria are known functionally as photoheterotrophic microbes. (pjoes.com)

Motile2

• AAP bacteria are motile due to one polar or subpolar flagellum. (wikipedia.org)
• 16. The motile bacteria are able to move by (AIPMT 2014) (a) fimbriae (b) flagella (c) cilia (d) pili. (recruitmenttopper.com)

Oxidation1

• Despite low oxygen availability, sulfide oxidation was primarily attributed to aerobic chemolithoautotrophic Halothiobacillaceae . (biomedcentral.com)

Bacterial3

• The percent of active AAP bacteria was up to two fold higher than the percentage of active bacteria for the rest of the bacterial community in the estuary. (udel.edu)
• Research on these bacteria has greatly advanced our understanding of the basic principles that underlie the light capture and energy storage that takes place in all types of photosynthetic organisms, including both bacterial and eukaryotic forms. (mdpi.com)
• Higher values of bacterial production and domination of High Nucleic Acid content bacteria (HNA bacteria) were found in deep waters, especially during the post-winter phase, suggesting that bacteria can have an active role in the deep-sea environment. (ogs.it)

Strain1

• A yellow-pigmented marine bacterium, designated strain SD-21, was isolated from surface sediments of San Diego Bay, San Diego, Calif., based on its ability to oxidize soluble Mn(II) to insoluble Mn(III, IV) oxides. (elsevierpure.com)

Denitrificans1

• Species of these bacteria such as R. denitrificans and S. sibiricus have up to three subpolar flagella. (wikipedia.org)

Sediments1

• Acidobacteria 0 domande A physiologically diverse phylum of acidophilic, gram-negative bacteria found in a wide variety of habitats, but particularly abundant in soils and sediments. (lookformedical.com)

Closely related1

• Fibrobacteres 0 domande A phylum of gram-negative bacteria closely related to the BACTEROIDETES. (lookformedical.com)

Abundance1

• Results revealed a high abundance of AAP bacteria in eutrophic lakes. (pjoes.com)

Species2

• LH complexes with unusual absorption maxima have been discovered due to the isolation and characterization of new aerobic phototrophic species. (wikipedia.org)
• AAP bacteria represent a variety of species that belong to subgroups of Alpha-, Beta- and Gammaproteobacteria. (wikipedia.org)

Marine2

• They are widely distributed marine bacteria that may constitute over 10% of the open ocean microbial community. (wikipedia.org)
• This bacterium was first isolated from a marine sediment collected on the coast of Australia. (up.ac.za)

Oxygen1

• Most are obligately aerobic, meaning they require oxygen to grow. (wikipedia.org)

Organisms1

• Purple nonsulfur bacteria (PNSB) are metabolically versatile organisms which are able to grow either aerobically in the dark or anaerobically in the light using hydrogen or organic compounds as electron donors and subsequently fixing CO 2 ( 16 ). (asm.org)

Adaptation1

• Lack of available iron is one of many environmental challenges that a bacterium encounters during infection and adaptation to iron starvation is important for the pathogen to efficiently replicate within the host. (omictools.com)

Community1

• Likewise, the silver grain area associated with active AAP bacteria was larger than that for the rest of the community, indicating higher rates of leucine consumption by AAP bacteria. (udel.edu)

Surface1

• d) It allows the bacterium to attach to the surface. (recruitmenttopper.com)

Bodies1

• They form endospores, thick-walled bodies formed within the vegetative cells of certain bacteria, able to withstand adverse environmental conditions for prolonged periods. (lookformedical.com)

Structures1

• 15. Which structures perform the function of mito-chondria in bacteria? (recruitmenttopper.com)

Green3

• Cloroflessi 0 domande Phylum of green nonsulfur bacteria including the family Chloroflexaceae, among others. (lookformedical.com)
• It was discovered by Evans, Buchanan and Arnon in 1966 working with the photosynthetic green sulfur bacterium Chlorobium limicola . (encyclopedia.pub)
• Chew, A. G. M. and D. A. Bryant (2007) Characterization of a plant-like protochlorophyllide a divinyl reductase in green sulfur bacteria. (photochemcad.com)

Found1

• These bacteria were found to be pleomorphic which shapes varying from coccoid and ovoid rods, to bean-shaped. (wikipedia.org)

Purple1

• The pckA gene, encoding the gluconeogenic enzyme phosphoenolpyruvate carboxykinase (PEPCK), was cloned by PCR amplification from the purple nonsulfur bacterium Rhodopseudomonas palustris No. 7. (asm.org)

Active1

• Our results suggest that AAP bacteria are more active than other bacteria in many parts of the estuary, just not in all locations. (udel.edu)

Conditions1

• The incorporation of 3H-leucine by AAP bacteria did not vary with light under ambient light conditions as well as in incubations with constant light and darkness. (udel.edu)

Variety1

• PEPCKs have been generally classified according to their nucleotide specificities: enzymes from bacteria, yeast, and plants mainly use adenosine nucleotides, but enzymes from a variety of eukaryotes and mammals use guanosine or inosine phosphates ( 24 ). (asm.org)

Size1

• The coccoid bacteria were from 0.4 to 0.5 μm in size. (wikipedia.org)

Function1

• Paula joined the Stanford faculty in 2013 where her current research program is focused on understanding the biosynthesis and physiological function of "molecular fossils" or biomarkers in extant bacteria. (stanford.edu)