Acetobacterium: A genus of gram-negative bacteria in the family Eubacteriaceae. Species are homoacetogenic, having the ability to use CARBON DIOXIDE as an electron sink, and to reduce it producing acetate as a typical fermentation product.Gram-Positive Rods: A large group of rod-shaped bacteria that retains the crystal violet stain when treated by Gram's method.Oxidoreductases, O-Demethylating: Drug metabolizing enzymes which oxidize methyl ethers. Usually found in liver microsomes.Acetobacter: A species of gram-negative bacteria of the family ACETOBACTERACEAE found in FLOWERS and FRUIT. Cells are ellipsoidal to rod-shaped and straight or slightly curved.Eubacterium: A genus of gram-positive, rod-shaped bacteria found in cavities of man and animals, animal and plant products, infections of soft tissue, and soil. Some species may be pathogenic. No endospores are produced. The genus Eubacterium should not be confused with EUBACTERIA, one of the three domains of life.Gram-Positive Asporogenous Rods: A gram-positive, non-spore-forming group of bacteria comprising organisms that have morphological and physiological characteristics in common.Caffeic Acids: A class of phenolic acids related to chlorogenic acid, p-coumaric acid, vanillic acid, etc., which are found in plant tissues. It is involved in plant growth regulation.Vanillic Acid: A flavoring agent. It is the intermediate product in the two-step bioconversion of ferulic acid to vanillin. (J Biotechnol 1996;50(2-3):107-13).Carbonic Acid: Carbonic acid (H2C03). The hypothetical acid of carbon dioxide and water. It exists only in the form of its salts (carbonates), acid salts (hydrogen carbonates), amines (carbamic acid), and acid chlorides (carbonyl chloride). (From Grant & Hackh's Chemical Dictionary, 5th ed)Hydrogen: The first chemical element in the periodic table. It has the atomic symbol H, atomic number 1, and atomic weight [1.00784; 1.00811]. It exists, under normal conditions, as a colorless, odorless, tasteless, diatomic gas. Hydrogen ions are PROTONS. Besides the common H1 isotope, hydrogen exists as the stable isotope DEUTERIUM and the unstable, radioactive isotope TRITIUM.Acetates: Derivatives of ACETIC ACID. Included under this heading are a broad variety of acid forms, salts, esters, and amides that contain the carboxymethane structure.Gram-Positive Bacteria: Bacteria which retain the crystal violet stain when treated by Gram's method.Proton-Translocating ATPases: Multisubunit enzymes that reversibly synthesize ADENOSINE TRIPHOSPHATE. They are coupled to the transport of protons across a membrane.Sodium: A member of the alkali group of metals. It has the atomic symbol Na, atomic number 11, and atomic weight 23.Carbon Dioxide: A colorless, odorless gas that can be formed by the body and is necessary for the respiration cycle of plants and animals.Methanol: A colorless, flammable liquid used in the manufacture of FORMALDEHYDE and ACETIC ACID, in chemical synthesis, antifreeze, and as a solvent. Ingestion of methanol is toxic and may cause blindness.Formates: Derivatives of formic acids. Included under this heading are a broad variety of acid forms, salts, esters, and amides that are formed with a single carbon carboxy group.Carbon Monoxide: Carbon monoxide (CO). A poisonous colorless, odorless, tasteless gas. It combines with hemoglobin to form carboxyhemoglobin, which has no oxygen carrying capacity. The resultant oxygen deprivation causes headache, dizziness, decreased pulse and respiratory rates, unconsciousness, and death. (From Merck Index, 11th ed)Archaea: 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. They are characterized by: (1) the presence of characteristic tRNAs and ribosomal RNAs; (2) the absence of peptidoglycan cell walls; (3) the presence of ether-linked lipids built from branched-chain subunits; and (4) their occurrence in unusual habitats. While archaea resemble bacteria in morphology and genomic organization, they resemble eukarya in their method of genomic replication. The domain contains at least four kingdoms: CRENARCHAEOTA; EURYARCHAEOTA; NANOARCHAEOTA; and KORARCHAEOTA.Halobacteriales: An order of extremely halophilic archaea, in the kingdom EURYARCHAEOTA. They occur ubiquitously in nature where the salt concentration is high, and are chemoorganotrophic, using amino acids or carbohydrates as a carbon source.Adenoma, Acidophil: A benign tumor, usually found in the anterior lobe of the pituitary gland, whose cells stain with acid dyes. Such pituitary tumors may give rise to excessive secretion of growth hormone, resulting in gigantism or acromegaly. A specific type of acidophil adenoma may give rise to nonpuerperal galactorrhea. (Dorland, 27th ed)Psychrobacter: A genus of gram-negative, aerobic bacteria in the family MORAXELLACEAE, associated with processed MEAT; FISH PRODUCTS; and POULTRY PRODUCTS.Cold Temperature: An absence of warmth or heat or a temperature notably below an accustomed norm.Acidithiobacillus: A genus of gram-negative rod-shaped bacteria in the class GAMMAPROTEOBACTERIA. They are obligately acidophilic and aerobic, using reduced SULFUR COMPOUNDS to support AUTOTROPHIC GROWTH.Alkalies: Usually a hydroxide of lithium, sodium, potassium, rubidium or cesium, but also the carbonates of these metals, ammonia, and the amines. (Grant & Hackh's Chemical Dictionary, 5th ed)Patents as Topic: Exclusive legal rights or privileges applied to inventions, plants, etc.Bacteria: One of the three domains of life (the others being Eukarya and ARCHAEA), also called Eubacteria. They are unicellular prokaryotic microorganisms which generally possess rigid cell walls, multiply by cell division, and exhibit three principal forms: round or coccal, rodlike or bacillary, and spiral or spirochetal. Bacteria can be classified by their response to OXYGEN: aerobic, anaerobic, or facultatively anaerobic; by the mode by which they obtain their energy: chemotrophy (via chemical reaction) or PHOTOTROPHY (via light reaction); for chemotrophs by their source of chemical energy: CHEMOLITHOTROPHY (from inorganic compounds) or chemoorganotrophy (from organic compounds); and by their source for CARBON; NITROGEN; etc.; HETEROTROPHY (from organic sources) or AUTOTROPHY (from CARBON DIOXIDE). They can also be classified by whether or not they stain (based on the structure of their CELL WALLS) with CRYSTAL VIOLET dye: gram-negative or gram-positive.Inventions: A novel composition, device, or process, independently conceived de novo or derived from a pre-existing model.Gels: Colloids with a solid continuous phase and liquid as the dispersed phase; gels may be unstable when, due to temperature or other cause, the solid phase liquefies; the resulting colloid is called a sol.Suspensions: Colloids with liquid continuous phase and solid dispersed phase; the term is used loosely also for solid-in-gas (AEROSOLS) and other colloidal systems; water-insoluble drugs may be given as suspensions.Intellectual Property: Property, such as patents, trademarks, and copyright, that results from creative effort. The Patent and Copyright Clause (Art. 1, Sec. 8, cl. 8) of the United States Constitution provides for promoting the progress of science and useful arts by securing for limited times to authors and inventors, the exclusive right to their respective writings and discoveries. (From Black's Law Dictionary, 5th ed, p1014)Biotechnology: Body of knowledge related to the use of organisms, cells or cell-derived constituents for the purpose of developing products which are technically, scientifically and clinically useful. Alteration of biologic function at the molecular level (i.e., GENETIC ENGINEERING) is a central focus; laboratory methods used include TRANSFECTION and CLONING technologies, sequence and structure analysis algorithms, computer databases, and gene and protein structure function analysis and prediction.PrintingPolyhydroxyalkanoates: Fatty acid biopolymers that are biosynthesized by microbial polyhydroxyalkanoate synthase enzymes. They are being investigated for use as biodegradable polyesters.Computer-Aided Design: The use of computers for designing and/or manufacturing of anything, including drugs, surgical procedures, orthotics, and prosthetics.Biopolymers: Polymers synthesized by living organisms. They play a role in the formation of macromolecular structures and are synthesized via the covalent linkage of biological molecules, especially AMINO ACIDS; NUCLEOTIDES; and CARBOHYDRATES.Printers' MarksPortraits as Topic: Graphic representations, especially of the face, of real persons, usually posed, living or dead. (From Thesaurus for Graphic Materials II, p540, 1995)History, 17th Century: Time period from 1601 through 1700 of the common era.Acetic Acid: Product of the oxidation of ethanol and of the destructive distillation of wood. It is used locally, occasionally internally, as a counterirritant and also as a reagent. (Stedman, 26th ed)Moorella: A genus of gram positive, acetogenic, thermophilic bacteria in the family Thermoanaerobacteraceae. Known habitats include HOT SPRINGS, horse manure, emu droppings, and sewage SLUDGE.Formate-Tetrahydrofolate Ligase: A carbon-nitrogen ligase that catalyzes the formation of 10-formyltetrahydrofolate from formate and tetrahydrofolate in the presence of ATP. In higher eukaryotes the enzyme also contains METHYLENETETRAHYDROFOLATE DEHYDROGENASE (NADP+) and METHENYLTETRAHYDROFOLATE CYCLOHYDROLASE activity.Isoptera: An order of insects, restricted mostly to the tropics, containing at least eight families. A few species occur in temperate regions of North America.Veillonellaceae: A family of gram-negative bacteria, in the phylum FIRMICUTES.Bacteria, AnaerobicBacteria, AerobicChlorophenols: Phenols substituted with one or more chlorine atoms in any position.Hydroxybutyrate DehydrogenaseFermentation: Anaerobic degradation of GLUCOSE or other organic nutrients to gain energy in the form of ATP. End products vary depending on organisms, substrates, and enzymatic pathways. Common fermentation products include ETHANOL and LACTIC ACID.Hydroxybutyrates: Salts and esters of hydroxybutyric acid.Fusobacteria: A phylum of anaerobic, gram-negative bacteria with a chemoorganotrophic heterotrophic metabolism. They are resident flora of the OROPHARYNX.Crotonates: Derivatives of BUTYRIC ACID that include a double bond between carbon 2 and 3 of the aliphatic structure. Included under this heading are a broad variety of acid forms, salts, esters, and amides that include the aminobutryrate structure.Polyesters: Polymers of organic acids and alcohols, with ester linkages--usually polyethylene terephthalate; can be cured into hard plastic, films or tapes, or fibers which can be woven into fabrics, meshes or velours.3-Hydroxybutyric Acid: BUTYRIC ACID substituted in the beta or 3 position. It is one of the ketone bodies produced in the liver.

Regulation of caffeate respiration in the acetogenic bacterium Acetobacterium woodii. (1/15)

The anaerobic acetogenic bacterium Acetobacterium woodii can conserve energy by oxidation of various substrates coupled to either carbonate or caffeate respiration. We used a cell suspension system to study the regulation and kinetics of induction of caffeate respiration. After addition of caffeate to suspensions of fructose-grown cells, there was a lag phase of about 90 min before caffeate reduction commenced. However, in the presence of tetracycline caffeate was not reduced, indicating that de novo protein synthesis is required for the ability to respire caffeate. Induction also took place in the presence of CO(2), and once a culture was induced, caffeate and CO(2) were used simultaneously as electron acceptors. Induction of caffeate reduction was also observed with H(2) plus CO(2) as the substrate, but the lag phase was much longer. Again, caffeate and CO(2) were used simultaneously as electron acceptors. In contrast, during oxidation of methyl groups derived from methanol or betaine, acetogenesis was the preferred energy-conserving pathway, and caffeate reduction started only after acetogenesis was completed. The differential flow of reductants was also observed with suspensions of resting cells in which caffeate reduction was induced prior to harvest of the cells. These cell suspensions utilized caffeate and CO(2) simultaneously with fructose or hydrogen as electron donors, but CO(2) was preferred over caffeate during methyl group oxidation. Caffeate-induced resting cells could reduce caffeate and also p-coumarate or ferulate with hydrogen as the electron donor. p-Coumarate or ferulate also served as an inducer for caffeate reduction. Interestingly, caffeate-induced cells reduced ferulate in the absence of an external reductant, indicating that caffeate also induces the enzymes required for oxidation of the methyl group of ferulate.  (+info)

Dissection of the caffeate respiratory chain in the acetogen Acetobacterium woodii: identification of an Rnf-type NADH dehydrogenase as a potential coupling site. (2/15)

The anaerobic acetogenic bacterium Acetobacterium woodii couples caffeate reduction with electrons derived from hydrogen to the synthesis of ATP by a chemiosmotic mechanism with sodium ions as coupling ions, a process referred to as caffeate respiration. We addressed the nature of the hitherto unknown enzymatic activities involved in this process and their cellular localization. Cell extract of A. woodii catalyzes H(2)-dependent caffeate reduction. This reaction is strictly ATP dependent but can be activated also by acetyl coenzyme A (CoA), indicating that there is formation of caffeyl-CoA prior to reduction. Two-dimensional gel electrophoresis revealed proteins present only in caffeate-grown cells. Two proteins were identified by electrospray ionization-mass spectrometry/mass spectrometry, and the encoding genes were cloned. These proteins are very similar to subunits alpha (EtfA) and beta (EtfB) of electron transfer flavoproteins present in various anaerobic bacteria. Western blot analysis demonstrated that they are induced by caffeate and localized in the cytoplasm. Etf proteins are known electron carriers that shuttle electrons from NADH to different acceptors. Indeed, NADH was used as an electron donor for cytosolic caffeate reduction. Since the hydrogenase was soluble and used ferredoxin as an electron acceptor, the missing link was a ferredoxin:NAD(+) oxidoreductase. This activity could be determined and, interestingly, was membrane bound. A search for genes that could encode this activity revealed DNA fragments encoding subunits C and D of a membrane-bound Rnf-type NADH dehydrogenase that is a potential Na(+) pump. These data suggest the following electron transport chain: H(2) --> ferredoxin --> NAD(+) --> Etf --> caffeyl-CoA reductase. They also imply that the sodium motive step in the chain is the ferredoxin-dependent NAD(+) reduction catalyzed by Rnf.  (+info)

The ether-cleaving methyltransferase system of the strict anaerobe Acetobacterium dehalogenans: analysis and expression of the encoding genes. (3/15)

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The ins and outs of Na(+) bioenergetics in Acetobacterium woodii. (4/15)

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Characterization of a Dehalobacter coculture that dechlorinates 1,2-dichloroethane to ethene and identification of the putative reductive dehalogenase gene. (5/15)

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Bacterial Na+-translocating ferredoxin:NAD+ oxidoreductase. (6/15)

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A caffeyl-coenzyme A synthetase initiates caffeate activation prior to caffeate reduction in the acetogenic bacterium Acetobacterium woodii. (7/15)

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A Na+-translocating pyrophosphatase in the acetogenic bacterium Acetobacterium woodii. (8/15)

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Photosynthesis is classified as an endergonic process. This means that it uses energy to obtain energy, and by doing so, organic compounds are anaerobically produced. In order to carry out photosynthesis, plants must first obtain sunlight, water, carbon dioxide and chlorophyll through an endergonic process.
Regarding the endergonic and exergonic reactions...delta G is negative for exergonic and positive for endergonic. Also, if you have a graph of an endergonic reaction, there is a bit of energy that needs to go in first; this is evident by a bump on the graph. Its like giving a little push to a ball at the top of a hill; the energy yielded is greater than the energy put in. But since energy cannot appear out of nowhere, often exergonic reactions are coupled with endergonic reactions. At one point the ball was not at the top of the hill. And for tricks..... understanding prefixes helps and knowing lots of latin, but the only one I can think of that applies to this is ...
Cellular respiration or aerobic cellular respiration, is exergonic because energy is released from the reaction and therefor the products have less energy then the starting substance. Because it releases energy. Cellular respiration is a catabolic pathway -- this means it takes bigger molecules (like glucose) and breaks them down into smaller, more stable molecules. Since glucose has more energy than the smaller molecules produced at the end of cellular respiration, there is some extra energy left over, which is then stored in ATP.
How are reduced energy currencies like NADH used to make ATP? It harnesses the exergonicity of electron transfers. The reaction ½ O2 + 2 H+ → H2O is very exergonic; the reactants have a very high reduction potential, a measure of electron affinity. Rather than allowing e- transfer to make HO in one hugely exergonic step, the electron transport inserts lots of little harnessed steps.. The e- move from cofactors of lower to higher reduction potentials and from one complex or carrier to the next. The exergonic e- transfers are coupled to H+ translocation from the mitochondrial matrix to the inner membrane space. This establishes a proton gradient. The flow of H+ from the inner membrane space back into the matrix is harnessed by ATP synthase to drive endergonic ATP formation. ...
View Notes - Bio 1A Lect 10 Quiz from BIO 1A at Berkeley. B io 1A Lect 10 Quiz 40% alphaketoglutarate citrate cytochromes exergonic H2O Krebscycle noATP oxidizes rotor succinylCoA acetylCoA
The emergence of mechanisms for phosphorylating organic and inorganic molecules is a key step en route to the earliest living systems. At the heart of all contemporary biochemical systems reside reactive phosphorus (P) molecules (such as adenosine triphosphate, ATP) as energy currency molecules to drive endergonic metabolic processes and it has been proposed that a predecessor of such molecules could have been pyrophosphate [P2O74−; PPi(V)]. Arguably the most geologically plausible route to PPi(V) is dehydration of orthophosphate, Pi(V), normally a highly endergonic process in the absence of mechanisms for activating Pi(V). One possible solution to this problem recognizes the presence of reactive-P containing mineral phases, such as schreibersite [(Fe,Ni)3P] within meteorites whose abundance on the early Earth would likely have been significant during a putative Hadean-Archean heavy bombardment. Here, we propose that the reduced oxidation state P-oxyacid, H-phosphite [HPO32−; Pi(III)] could have
Metabolism 10/27/09. Introduction to metabolism. Metabolism is the overall process through which living systems acquire and utilize free energy to carry out their functions. They couple exergonic reactions of nutrient breakdown to the endergonic processes required to maintain the living state. Slideshow 3351756 by lahela
If energy is released during a chemical reaction, then the resulting value from the above equation will be a negative number. In other words, reactions that release energy have a ∆G , 0. A negative ∆G also means that the products of the reaction have less free energy than the reactants, because they gave off some free energy during the reaction. Reactions that have a negative ∆G and consequently release free energy are called exergonic reactions. Think: exergonic means energy is exiting the system. These reactions are also referred to as spontaneous reactions, because they can occur without the addition of energy into the system. Understanding which chemical reactions are spontaneous and release free energy is extremely useful for biologists, because these reactions can be harnessed to perform work inside the cell. An important distinction must be drawn between the term spontaneous and the idea of a chemical reaction that occurs immediately. Contrary to the everyday use of the term, a ...
A method has been worked out that allows the detection and isolation of bacteria fermenting molecular hydrogen and carbon dioxide to acetic acid. The ratio of methanogenic to acetogenic bacteria in...
The catabolism of methanol, formate, or carbon monoxide to acetate or butyrate or both was examined in two acetogenic bacteria. Butyribacterium methylotrophicum simultaneously transformed methanol and formate mainly to butyrate with concomitant H2 an
Peter Mitchell showed the discovery of how mitochondria converts energy in glucose into ATP. Adenosine triphosphate, or ATP for short, is the energy currency of life. ATP is a high-energy molecule found in every cell. Its job is to store and supply the cell with needed energy to do energy-required work. He worked on his research about how mitochondria converts energy into glucose in his own research laboratories in a renovated country house in rural Cornwall, in which the concept was controversial for more than twenty years. Peter Mitchell finally proved that mitochondria converts energy into glucose in 1978 which he then won the Nobel Prize for Chemistry on the following year for his discovery of the chemiosmotic mechanism of ATP synthesis. Chemiosmosis is the movement of ions across a semipermeable membrane, down their electrochemical gradient, Peter Mitchell proved that chemiosmosis also occurs during cellular respiration or photosynthesis, in which the generation of adenosine triphosphate ...
The Boudouard reaction, named after Octave Leopold Boudouard, is the redox reaction of a chemical equilibrium mixture of carbon monoxide and carbon dioxide at a given temperature. It is the disproportionation of carbon monoxide into carbon dioxide and graphite or its reverse: 2CO ⇌ CO 2 + C The Boudouard Reaction to form carbon dioxide and carbon is exothermic at all temperatures. However, the standard enthalpy of the Boudouard reaction becomes less negative with increasing temperature, as shown to the side. While the formation enthalpy of CO 2 is higher than that of CO, the formation entropy is much lower. Consequently, the standard free energy of formation of CO 2 from its component elements is almost constant and independent of the temperature, while the free energy of formation of CO decreases with temperature. At high temperatures, the forward reaction is therefore endergonic, favoring the (exergonic) reverse reaction toward CO, even though the forward reaction is still exothermic. The ...
The present invention provides a sonoporation-based method that can be universally applied for delivery of compounds into Gram positive bacteria. Gram positive bacteria which can be transformed by sonoporation include, for example, Bacillus, Streptococcus, Acetobacterium, and Clostridium. Compounds which can be delivered into Gram positive bacteria via sonoporation include nucleic acids (DNA or RNA), proteins, lipids, carbohydrates, viruses, small organic and inorganic molecules, and nano-particles.. ...
In theory, diamond growing is possible. Diamonds are famously hard, but when you get down to the molecular level, its nothing particularly impressive - just a carbon with four carbon bonds. The standout is that a diamond consistently has these kinds of bonds across the entirety of the diamond. Now, a carbon-carbon bond is very easy to do - the body uses enzymes to do it all the time. All you would have to do it keep building a lattice of these carbons over and over - its something the body can do. Theres no reason an extremophile cant make one.. That said, its a waste of energy and resources. To make this, youll need to take a carbon bonded to something which isnt a carbon, and turn that into a C-C bond, which isnt easy to do (read: endergonic reaction) and its very not easy if its, say a C-H bond. Something like a C-O bond, or even better, a C-X bond, X being a halide of some kind. And its a complex process. To make artificial diamonds, they take carbon, and they subject it to vasts ...
Electrosynthesis in chemistry is the synthesis of chemical compounds in an electrochemical cell. The main advantage of electrosynthesis over an ordinary redox reaction is avoidance of the potentially wasteful other half-reaction and the ability to precisely tune the required potential. Electrosynthesis is actively studied as a science and also has many industrial applications. Electrooxidation is studied not only for synthesis but also for efficient removal of certain harmful organic compounds in wastewater. The basic setup in electrosynthesis is a galvanic cell, a potentiostat and two electrodes. Good electrosynthetic conditions use a solvent and electrolyte combination that minimizes electrical resistance. Protic conditions often use alcohol-water or dioxane-water solvent mixtures with an electrolyte such as a soluble salt, acid or base. Aprotic conditions often use an organic solvent such as acetonitrile or dichloromethane with electrolytes such as lithium perchlorate or tetrabutylammonium ...
Various and interesting material from the area of the theory and practice of electrochemical methods of obtaining organic substances are presented. In connection with the increase of world power resources, these methods are gaining a more important industrial significance in modern times. This is substantiated by the large flow of scientific information on the electrosynthesis of organic substances, and the book executes the problem of its generalization and systematization.*Electrochemistry
The effect of specific cathode surface area (SCSA; 2, 4 and 8 m2/m3) on biogas production and biofouling control was investigated in anaerobic electrochemical membrane bioreactors (AnEMBRs). Nickel-based hollow fibers were used as both a cathode for hydrogen evolution and a membrane for the filtration of treated water. Varying the SCSA was found to influence the current density, biogas quantity and composition, and trans-membrane pressure (TMP). In situ gas generation was monitored using a high-speed camera; where the 8 m2/m3 AnEMBRs were found to mainly evolve smaller sized bubbles (45-114 µm) compared to the 2 and 4 m2/m3 AnEMBRs. This correlated with the lowest TMP (0.37 bars) compared to the other reactors (4 m2/m3, 0.76 bars; 2 m2/m3, 1.18 bars). The cathodic microbial community varied with SCSA, with Acetobacterium dominating at a relative abundance that reached 62% (4 m2/m3), while hydrogenotrophic methanogens (represented by Methanocorpusculum) comprised up to 2.5% of the total ...
octa-1,7-diyne 871-84-1 MSDS report, octa-1,7-diyne MSDS safety technical specifications search, octa-1,7-diyne safety information specifications ect.
PHOTOSYNTHESIS Botany Department B.N.D. College Photosynthesis An anabolic, endergonic, carbon dioxide (CO 2 ) requiring process that uses light energy (photons) and water (H 2 O) to produce organic macromolecules
Oxygen: From Toxic Waste to Optimal (Toxic) Fuel of Life. By Mónica Rosas‐Lemus, Cristina Uribe‐Alvarez, Martha Contreras‐ Zentella, Luis Alberto Luévano‐Martínez, Natalia Chiquete‐Félix, Norma Lilia Morales‐García, Emilio Espinosa Simón, Adriana Muhlia‐ Almazán, Edgardo Escamilla‐Marván and Salvador Uribe‐Carvajal. Some 2.5 billion years ago, the great oxygenation event (GOE) led to a 105‐fold rise in atmospheric oxygen [O2], killing most species on Earth. In spite of the tendency to produce toxic reactive oxygen species (ROS), the highly exergonic reduction of O2 made it the ideal biological electron acceptor. During aerobic metabolism, O2 is reduced to water liberating energy, which is coupled to adenosine triphosphate (ATP) synthesis. Today, all organisms either aerobic or not need to deal with O2 toxicity. O2‐permeant organisms need to seek adequate [O2], for example, aquatic crustaceans bury themselves in the sea bottom where O2 is scarce. Also, the intestinal ...
7-Azabicyclo[4.2.0]octa-1,5-diene-7-sulfonyl chloride, 2-hydroxy-8-oxo- | C7H6ClNO4S | CID 71391929 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.
In accordance with the latest scientific findings, we are updating our somatic tumor panel. The total number of genes on this panel is now 710, up from 649. The panel now includes mutational load analysis of the tumor and also supports the examination of leukemia and lymphoma.. The current update was designed to enable personalized therapy decisions, determined by an interdisciplinary tumor board, addressing solid tumors, leukemia and lymphoma. Weve added additional genes that, according to the latest scientific findings, are linked to the development, growth, disease outlook, drug metabolism, and tumor therapy outcome. The examination of selected translocations is now performed in 29 genes.. In addition to the reporting of these treatment-relevant gene changes, we are also expanding our medical reports by reporting the mutation load of the tumor. Data increasingly suggests that tumors with very high mutation load have increased numbers of neo-antigens on the cell surface, and may therefore ...
Oxidative phosphorylation works by using energy-releasing chemical reactions to drive energy-requiring reactions: The two sets of reactions are said to be coupled. This means one cannot occur without the other. The flow of electrons through the electron transport chain, from electron donors such as NADH to electron acceptors such as oxygen, is an exergonic process - it releases energy, whereas the synthesis of ATP is an endergonic process, which requires an input of energy. Both the electron transport chain and the ATP synthase are embedded in a membrane, and energy is transferred from electron transport chain to the ATP synthase by movements of protons across this membrane, in a process called chemiosmosis.[2] In practice, this is like a simple electric circuit, with a current of protons being driven from the negative N-side of the membrane to the positive P-side by the proton-pumping enzymes of the electron transport chain. These enzymes are like a battery, as they perform work to drive ...
The fermentation process is divided in two parts. The first part is when the yeast and bacteria are transforming the sugar into alcohol. The second part is when the acetobacterium cause the oxidation of alcohol into acetic acid through a slow and lengthy process.. The acetic acid distinguishes apple acid vinegar by giving it a acidic and vitriolic flavor and by leaving a cloudy substance known as the mother on the bottom of the glass. The apples fermenting bit is the mother and it contains a lot of enzymes. Raw, unpasteurized ACV vinegar with the mother intact is the most recommendable for using.. Blood sugar control The ACV is mostly used like a salad dressing. When you are intending to consume some foods that are requiring longer period for digestion, like beef or pork you should drink a little bit of the apple cider vinegar. A Japanese research proved that with the replacing of pickled cucumber with a fresh one, the glycemix index will be reduced by 30%.. Because of its antiglycemic ...
Photosynthesis consists of a series of endergonic redox reactions, with light as the source of energy, chlorophyll as the energy converter, and electrons flowing through membrane and soluble proteins. Here, we give an account of the most recent results on the structure−function relationships of the membrane-embedded complexes cytochrome b6−f and photosystem I and of the two soluble proteins (cytochrome c6 and plastocyanin) that serve as alternative electron carriers between them. Particular attention is paid to the evolutionary aspects of the reaction mechanism and transient protein−protein interactions between the membrane complexes and their partners in cyanobacteria, eukaryotic algae, and plants ...
Adenosine triphosphate (ATP) is the chemical compound known in biochemistry as the "molecular currency" of intracellular energy transfer; that is, ATP is able to store and transport chemical energy within cells. All cells-both prokaryotic, such as bacteria, and eukaryotic, such as with amoeba, fungi, plants, and animals-use ATP as the main molecule for carrying energy, and as the principal energy source for endergonic, or energy-requiring, reactions. Living cells require energy to survive and function, and most of this energy comes either via radiant energy or from chemical energy tied up in interatomic bonds of nutrient molecules. When nutrient molecules, such as those derived from carbohydrates and fats, are oxidized by cells, a portion of the free energy released can be captured in the chemical bonds of ATP. ATP allows cells to store energy as chemical potential and to circulate and use this energy. Cells are constantly creating and circulating ATP, and when cells need energy, they "spend ...
Hydrolysis of the terminal phosphoanhydridic bond is a highly exergonic process. The amount of released energy depends on the conditions in a particular cell. Specifically, the energy released is dependent on concentrations of ATP, ADP and Pi. As the concentrations of these molecules deviate from values at equilibrium, the value of Gibbs free energy change (ΔG) will be increasingly different. In standard conditions ( ATP, ADP and Pi concentrations are equal to 1M, water concentration is equal to 55M) the value of ΔG is between -28 to -34 kJ/mol.[3][4]. The range of the ΔG value exists because this reaction is dependent on the concentration of Mg2+ cations, which stabilize the ATP molecule. The cellular environment also contributes to differences in the ΔG value since ATP hydrolysis is dependent not only on the studied cell, but also on the surrounding tissue and even the compartment within the cell. Variability in the ΔG values is therefore to be expected.[4]. The relationship between Gibbs ...
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General Information: Eubacterium limosum KIST612 is an acetogenic bacterium isolated from an anaerobic digester and has a high growth rate on synthesis gas (CO; carbon monoxide) using it as a sole energy source. This organism produces acetate as well as butyrate and ethanol as fermentation products from syngas. Therefore, E. limosum KIST612 has been considered for a model strain for bioenergy production from syngas (obtained from biomass). ...
Kaufman, S., Korkes, S. and del Campillo, A. (1951). „Biosynthesis of dicarboxylic acids by carbon dioxide fixation. V. Further studies of the "malic" enzyme of Lactobacillus arabinosus". J. Biol. Chem. 192: 301-312. PMID 14917678. ...
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Introduction - ATP-dependent proteases constitute a unique proteolytic system. Although proteolysis is an exergonic process, these proteases require energy derived from ATP hydrolysis in order to function. This energy requirement is closely related to their structures and mechanisms of action. Their proteolytic active sites are usually sequestered in barrel-like structures that prevent uncontrolled proteolysis. These ring shaped proteolytic domains, or proteolytic sub-complexes, are connected to and cooperate with structurally similar ATPase domains or ATPase sub-complexes. Substrates bind to these ATPase domains or ATPase sub-complexes and the energy released by ATP hydrolysis is used to unfold and translocate the substrate into the proteolytic cavity and to activate the proteases themselves. ATP-dependent proteases are present in all prokaryotic and eukaryotic cells. In eukaryotic cells, they are localized in the cytosol and in the nucleus (proteasome) as well as in the organelles: ...
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Electron bifurcation has recently gained acceptance as the third mechanism of energy conservation in which energy is conserved through the coupling of exergonic and endergonic reactions. A structure-based mechanism of bifurcation has been elucidated recently for the flavin-based enzyme NADH-dependent ferredoxin NADP+ oxidoreductase I (NfnI) from the hyperthermophillic archaeon Pyrococcus furiosus. NfnI is thought to be involved in maintaining the cellular redox balance, producing NADPH for biosynthesis by recycling the two other primary redox carriers, NADH and ferredoxin. The P. furiosus genome encodes an NfnI paralog termed NfnII, and the two are differentially expressed depending on the growth conditions. In this study, we show that deletion of the genes encoding either NfnI or NfnII affects the cellular concentrations of NAD(P)H and particularly NADPH. This results in a moderate to severe growth phenotype in deletion mutants, demonstrating a key role for each enzyme in maintaining redox ...
Read "Kinetics of Hydrogen Peroxide Accumulation in Electrosynthesis from Oxygen in Gas-Diffusion Electrode in Acidic and Alkaline Solutions, Russian Journal of Applied Chemistry" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.
where (a) R=CF3, R=H; b) R=CN, R=H; R=COOH, R=H; g) R=SOON3, R=H; d) R=SOOS2N5, R=H; (e) R=COOPh, R=H; W) R=CF3, R=CH3; W) R=CN, R=CH3that can be used as intermediates for the synthesis of biologically active substances exhibiting antioxidant activity [N. G. Kathrotiya, Μ.P. Patel // J. Chem. Sci, 125, 5, 993-1001 (2013), as medicines against malaria [A. J. Ndakala, R. K. Gessner, P. W. Gitari, N. October, K. L. White, A. Hudson, F. Fakorede, M. D. Shackleford, M. Kaiser, C. Yeates, S. A. Charman, K. Chibale // J Med Chem, 54, 4581-4589 (2011)], antibacterial agents [B. S. Chetan, Hardik H. J., P. P. Manish, G. P. Ranjan // Med Chem Res, 22, 3035-3047 (2013)], antifungal agents [Η. Takeshita, J. Watanabe, Y. Kimura, K. Kawakami, H. Takahashi, M. Takemura, A. Kitamura, K. Someya, R. Nakajima // Bioorg. Med. Chem. Lett, 20, 3893-3896 (2010)] inhibitors of perforin [D. M. Lyons, K. M. Huttunen, K. A. Browne, et al // Bioorg. Med. Chem., 19, 4091-4100 (2011)]. In addition ...
...Reducing the ability of certain bacteria to fix carbon dioxide can gre... Hydrogen gas is a promising transportation fuel that can be used in h...Feeding these bacteria more electron rich organic compounds though do...One factor involved appears to be the Calvin cycle a series of bioche...,Blocking,carbon,dioxide,fixation,in,bacteria,increases,biofuel,production,,biological,advanced biology technology,biology laboratory technology,biology device technology,latest biology technology
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Ozone effects on the perennial forb Lamottea dianae were studied in an open-top chamber experiment. Ozone was found to induce reductions in CO 2 assimilation and water use efficiency in the leaves of this species. These ...
We showed that the reduction of caffeate esters operated by L. helveticus did not affect the content of flavonoids, which are the main bioactive molecules of propolis. Furthermore, we verified that the biotransformation of propolis did not cause a loss of antimicrobial activity. We finally demonstrated that the ability of L. helveticus to hydrolyze caffeate esters in propolis is strain specific ...
Cara Mengatasi Infeksi Tenggorokan. Meskipun terasa tidak nyaman dan menyakitkan, infeksi tenggorokan cukup lazim terjadi. Infeksi ini bisa membuat Anda sulit menelan akibat pembengkakan dan nyeri yang menyertainya. Dalam beberapa kasus,...
Centrins are Ca(2+)-binding proteins found throughout eukaryotic organisms. Xeroderma pigmentosum group C protein (XPC), a dominant component of the nuclear excision repair (NER) pathway, is a critical target protein of centrins. A 22-residue peptide (K842-R863) from XPC was used to investigate the effect of metal ions (Ca(2+) and Tb(3+)) on the peptide binding of Euplotes octocarinatus centrin (EoCen) by isothermal titration calorimetry (ITC) and fluorescence spectroscopy. ITC and tryptophan spectrofluorimetric titrations revealed that metal ions (Ca(2+) and Tb(3+)) could enhance the affinity between EoCen and the XPC peptide, and the enhanced effects were closely related to the ion potential of metal ions ...
The production of hierarchical hybrid conductive materials that are mesoporous, with pores spanning from sub-microns to microns in size, is important for large-area electrode applications. Here, a simple one-step, low-cost method to fabricate metal oxide-carbon hybrid materials with a hierarchical pore struc
We have established an in vitro enzyme system that efficiently converts starch compounds such as amylose, soluble starch, and raw potato to myo-inositol. The system can produce myo-inositol on the gram scale within 3 h. By using the MalP and PGM reactions, we were able to introduce the phosphorylated glucose while avoiding the consumption of ATP. We had expected that the overall reaction was energetically favorable, as the conversion of the glucopyranose structure to the C6 cyclitol structure and the inositol-phosphate hydrolysis were expected to be exergonic. The phosphorylase reaction and the phosphomutase reactions are well documented (49, 50), and their Gibbs free energy differences are +3.19 kJ/mol and −7.34 to −7.09 kJ/mol, respectively. Thermodynamic modeling and calculation tools have also been published (51, 52) and estimate that the MIPS reaction and the IMPase reaction display free energy differences of −50.3 kJ/mol and −23.4 to −20.7 kJ/mol. The sum of these values ...
A new Michigan State University study has identified a family of genes in cyanobacteria that help control carbon dioxide fixation.
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We have investigated some anodic and cathodic transformations using boron doped diamond (BDD) electrodes. The oxidn. of a propargylic alc. as well as the arom. side chain oxidn. in water as electrolyte did not yield the desired products in high yield and selectivity and led mainly to the formation of CO2 due to electrochem. incineration of the starting material. With methanol as electrolyte, however, the reactivity of BDD electrodes is similar to graphite in most anodic methoxylation reactions, but the inactive behavior of BDD electrodes leads to a different reaction pathway possibly involving methoxyl radicals with charge transfer from the electrolyte. It has been found that at BDD anodes benzylic single and double bonds can be split yielding arom. acetals and esters. With phenanthrenes as starting material, o,o-disubstituted biaryls were obtained. So the use of BDD electrodes provides an efficient and environmentally friendly access to this interesting class of compds. The high H2 ...
Fibrosis is characterized by fibroblast proliferation and fibroblast differentiation into myofibroblasts, which generate a relaxation-free contraction mechanism associated with excessive collagen synthesis in the extracellular matrix, which promotes irreversible tissue retraction evolving towards fibrosis. From a thermodynamic point of view, the mechanisms leading to fibrosis are irreversible processes that can occur through changing the entropy production rate. The thermodynamic behaviors of metabolic enzymes involved in fibrosis are modified by the dysregulation of both transforming growth factor β (TGF-β) signaling and the canonical WNT/β-catenin pathway, leading to aerobic glycolysis, called the Warburg effect. Molecular signaling pathways leading to fibrosis are considered dissipative structures that exchange energy or matter with their environment far from the thermodynamic equilibrium. The myofibroblastic cells arise from exergonic processes by switching the core metabolism from oxidative
The subject invention relates to a process for electrosynthesis of compounds or generation of electrical power utilizing a fibrous electrochemical cell comprised of at least an inner fibrous electrode, a membrane separator, a lumen for free passage of liquid or gas, electrolyte, and a second outer electrode. Liquid or gaseous feed is contacted with the electrodes which are isolated and sealed at the shell and bore side of the fibrous cell as in a shell and tube heat exchanger.
This volume analyzes and summarizes recent developments in several key interfacial electrochemical systems in the areas of fuel cell electrocatatalysis, electrosynthesis and electrodeposition. The six Chapters are written by internationally recognized experts in these areas and address both fundamental and practical aspects of several existing or emerging key electrochemical technologies. The Chapter by R. Adzic, N. Marinkovic and M. Vukmirovic provides a lucid and authoritative treatment of the electrochemistry and electrocatalysis of Ruthenium, a key element for the devel- ment of efficient electrodes for polymer electrolyte (PEM) fuel cells. Starting from fundamental surface science studies and interfacial considerations, this up-to-date review by some of the pioneers in this field, provides a deep insight in the complex catalytic-electrocatalytic phenomena occurring at the interfaces of PEM fuel cell electrodes and a comprehensive treatment of recent developments in this extremely important field.
Against this backdrop, Pb was employed as the structural element for Co as the catalytic component. Electrodeposition of CoPbOx was similar to that for CoMnOx with the precursor solution containing equal concentrations of Co2+ and Pb2+ in MePi buffer at pH 8. However, the potentials for CoOx and PbOx deposition are similar (∼1.15 V) unlike that for CoOx and MnOx deposition; thus, the composition of the mixed metal film could not be as easily controlled through varying the potential. Instead, the initial concentrations of Co2+ and Pb2+ can be relatively adjusted to change composition. For solutions containing equal concentrations of Co2+ and Pb2+, electrodeposited CoPbOx films contain 18% Co and 82% Pb (as measured by ICP-MS, Table S1†) with homogeneous distribution of the two metals throughout the film (as observed from EDS elemental maps from SEM, Fig. S4c†). The use of CoPbOx as a stable electrode has precedence in the electrosynthesis of oxidants, decomposition of organics, as well as ...
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Cara Delevingne takes the lead role in this film adaptation of John Greens best-selling novel. After taking her neighbour Quentin (Nat Wolff) on an all-night adventure, Margo (Cara) disappears leaving behind cryptic clues for Quentin to decipher. What follows is a pretty funny road trip to track her down - and ultimately discover the meaning of their friendship… Heartwarming and ivell-acted, this is well worth a watch.. ...
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Coloured scanning electron micrograph (SEM) of Archaea human intestine prokaryote (Methanobrevibacter smithii). Methanobrevibacter smithii is the main human gut (intestine) archeon (from the Archaea domain) that is a methanotroph (methanogen). It recycles the hydrogen in methane and allows for an increase in energy extraction for nutrients. It plays a role in the digestion of polysaccharides (complex sugars) by consuming the end products of bacterial fermentation. The human gut flora consists of three main groups of hydrogen consuming microbes: methanogens; a polyphyletic group of acetogenic bacteria; and sulphate reducing bacteria. Magnification: x5,335 when shortest axis printed at 25 millimetres. - Stock Image C032/1307
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150 matching references were found. Demerseman; Lechartier; Reyhaud; Cheutin; Rogers; Rumpf, Bull. Soc. Chim. Fr., 1963, 1963, 2559. [all data] Rogers; Garver, J. Phys. Chem., 1958, 62, 952. [all data] Herz; Rogers, J. Am. Chem. Soc., 1953, 75, 4498. [all data] Rogers; Campbell, R.H., J. Am. Chem. Soc., 1952, 74, 4742. [all data] Rogers; Williams, Phys. Rev., 1951, 83, 210. [all data] Grondol; Rogers, J. Am. Oil Chem. Soc., 1944, 21, 303. [all data] Rogers; Schomaker; Stevenson, J. Am. Chem. Soc., 1941, 63, 2610. [all data] Cottrell; Rogers, Am. Chem. J., 1899, 21, 63. [all data] Barraclough, P.; Bilgic, S.; Pedley, J.B.; Rogers, A.J.; Young, D.W., Conjugative and homoconjugative effects in 2-heterobicyclo[3.2.1]octa-3,6-dienes, Tetrahedron, 1979, 35, 99. [all data] Rogers, A.O.; Nelson, R.E., Some Reactions and Derivatives of 1,2,3-Trichloro-2-methylpropane, J. Am. Chem. Soc., 1936, 58, 1029-32. [all data] Rogers, A.O.; Nelson, R.E., J. Am. Chem. Soc., 1936, 58, 1027. [all data] Benson, S.W.; ...
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Menzel, U.; Gottschalk, G. (1985). "The internal pH of Acetobacterium wieringae and Acetobacter aceti during growth and ...
Complete degradation of carbohydrates to CO2 and methane by syntrophic cultures of Acetobacterium woodii y Methanosarcina ...
Menzel, U.; Gottschalk, G. (1985). "The internal pH of Acetobacterium wieringae and Acetobacter aceti during growth and ...
These scavengers, like Methanospirillum and Acetobacterium, metabolize the H2 waste produced during amino acid breakdown, ...
Rahlfs S, Muller V (1997). "Sequence of subunit c of the Na(+)-translocating F1F0 ATPase of Acetobacterium woodii: proposal for ...
Acetobacterium woodii utilize hydrogen gas and CO2 to make the acetate that is used as carbon source for many of the Sulfate- ...
... order Lactobacillales Lactobacillus Leuconostoc Clostridia Acetobacterium Clostridium Eubacterium Heliobacteria Heliospirillum ...
Acetobacterium, Aerobacter, Agrobacterium, Alcaligenes, Azotobacter, Bacillus, Clostridium, Corynebacterium, Flavobacterium, ...
Acetobacterium MeSH B03.510.460.400.400.049 --- Actinobacteria MeSH B03.510.460.400.400.049.049 --- actinomycetaceae MeSH ...
The type species of this genus is Acetobacterium woodii. The name, Acetobacterium, has originated because they are acetogens, ... However, the Acetobacterium can use other electron acceptors like caffeate. To use caffeate as an electron acceptor the ... One application of Acetobacterium, is that A.woodii could be used in the transformation of tetrachloromethane to ... Acetobacterium is a genus of anaerobic, Gram-positive bacteria that belong to the Eubacteriaceae family. ...
LPSN Acetobacterium carbinolicum at the Encyclopedia of Life Type strain of Acetobacterium carbinolicum at BacDive - the ... Parte, A.C. "Acetobacterium". Www.bacterio.net. Eichler, Barbara; Schink, Bernhard (1984). "Oxidation of primary aliphatic ... Acetobacterium carbinolicum is a homoacetogenic anaerobe bacteria that oxidises primary aliphatic alcohols. ... "Characterization of the psychrotolerant acetogen strain SyrA5 and the emended description of the species Acetobacterium ...
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As Firmicutes (do latín: firmus cutis, "pel forte", referido aquí a "parede celular forte") son un filo def bacterias, a maioría das cales teñen unha estrutura da parede celular grampositiva. Porén, unhas poucas, como Megasphaera, Pectinatus, Selenomonas e Zymophilus, teñen unha pseudomembrana externa porosa que fai que presenten unha tinguidura gramnegativa. En anteriores clasificacións recibiron o nome de Firmacutes, que despois se cambiou a Firmicutes cunha diminución na súa composición. Os científicos antes clasificaban en Firmicutes todas as bacterias grampositivas, pero recentemente defínenas como o grupo central de formas relacionadas chamado o grupo de baixo contido G+C, en contraste coas Actinobacteria. Pódense incluír aquí as Molicutes (micoplasmas, sen parede), que noutras clasificacións se clasifican como Tenericutes. As Firmicutes teñen células arredondadas (chamadas cocos) ou bacilares. Moitas Firmicutes producen endósporas, que son resistentes ao desecamento e ...
Single-carbon catabolism in acetogens: analysis of carbon flow in Acetobacterium woodii and Butyribacterium methylotrophicum by ... methylotrophicum or Acetobacterium woodii was grown in the presence of a second one-carbon substrate indicated two trends: when ...
"Draft genome sequence of Acetobacterium bakii DSM 8293, a potential psychrophilic chemical producer through syngas fermentation ...
The type species of this genus is Acetobacterium woodii. The name, Acetobacterium, has originated because they are acetogens, ... However, the Acetobacterium can use other electron acceptors like caffeate. To use caffeate as an electron acceptor the ... One application of Acetobacterium, is that A.woodii could be used in the transformation of tetrachloromethane to ... Acetobacterium is a genus of anaerobic, Gram-positive bacteria that belong to the Eubacteriaceae family. ...
LPSN Acetobacterium carbinolicum at the Encyclopedia of Life Type strain of Acetobacterium carbinolicum at BacDive - the ... Parte, A.C. "Acetobacterium". Www.bacterio.net. Eichler, Barbara; Schink, Bernhard (1984). "Oxidation of primary aliphatic ... Acetobacterium carbinolicum is a homoacetogenic anaerobe bacteria that oxidises primary aliphatic alcohols. ... "Characterization of the psychrotolerant acetogen strain SyrA5 and the emended description of the species Acetobacterium ...
... * Home ... Fermentation of methoxyacetate to glycolate and acetate by newly isolated strains of Acetobacterium sp.. Publikationstyp:. ... Fermentation of methoxyacetate to glycolate and acetate by newly isolated strains of Acetobacterium sp.. In: Archives of ... Fermentation_of_methoxyacetate_to_glycolate_and_acetate_by_newly_isolated_strains_of_acetobacterium_sp_1990.pdf. 168. ...
... * Home ... Mechanism of anaerobic ether cleavage : conversion of 2-phenoxyethanol to phenol and acetaldehyde by Acetobacterium sp.. ... Mechanism of anaerobic ether cleavage : conversion of 2-phenoxyethanol to phenol and acetaldehyde by Acetobacterium sp.. In: ... 2-Phenoxyethanol is converted into phenol and acetate by a strictly anaerobic Gram-positive bacterium Acetobacterium strain ...
Acetobacterium tundrae Simankova et al. (ATCC® BAA-996™) ATCC® Number: BAA-996™ Strain Designations: Z-4493 [DSM 9173] ...
... and Acetobacterium spp. present in the feces. However, as whole grains are good sources of dietary fiber, it is difficult to ...
Acetobacterium, Butyrvibrio, and Thermoanaerobacter). The following table lists the organisms included in the suprageneric ...
Methanol metabolism in the acetogenic bacterium Acetobacterium woodii.. Kremp F, Poehlein A, Daniel R, Müller V. ...
2011 Reaction engineering analysis of hydrogenotrophic production of acetic acid by Acetobacterium woodii. Biotechnol. Bioeng. ... autotrophic growth is 7.4 g of acetate per litre per day at a partial hydrogen pressure of 1700 mbar with Acetobacterium woodii ...
Chadefaud, M. & Emberger, L. (eds.). 1960. Traité de botanique systématique. Masson et Cie., Paris. Tome I. Les végétaux non vasculaires (Cryptogamie), par M. Chadefaud, 1960, 1 vol. de 1016 pages, [7]. Tome II. Les végétaux vasculaires, par L. Emberger, 1960, deux fascicules, 1540 pages, [8], [9]. Monde vivant ...
Acetobacterium tundrae sp. nov., a new psychrophilic acetogenic bacterium from tundra soil. Arch Microbiol 174:440-447. doi: ... The ins and outs of Na+ bioenergetics in Acetobacterium woodii. Biochim Biophys Acta 1787:691-696. doi:10.1016/j.bbabio.2008.12 ... Acetobacterium, a new genus of hydrogen-oxidizing, carbon dioxide-reducing, anaerobic bacteria. Int J Syst Bacteriol 27:355-361 ... ATP formation coupled to caffeate reduction by H2 in Acetobacterium woodii NZva16. Arch Microbiol 150:447-451. doi:10.1007/ ...
Formation of acetate by cell extracts of Acetobacterium woodii. Arch. Microbiol. 114, 143-148 (1977)Google Scholar ... Balch, W. E., Schoberth, S., Tanner, R. S., Wolfe, R. S.: Acetobacterium, a new genus of hydrogen-oxidizing, carbon-dioxide- ...
Acetone production with metabolically engineered strains of Acetobacterium woodii. Metabolic Engineering 36:37-47. ... heterologous expression of the arginine deiminase pathway promotes growth advantages in the strict anaerobe Acetobacterium ...
Acetobacterium, a new genus of hydrogen-oxidizing, carbon dioxide-reducing, anaerobic bacteria. Int J Syst Bacteriol 27:355-361 ... Energy metabolism of Acetobacterium woodii growing on H2 and CO2 at pH 7. (A) Metabolic scheme showing how acetic acid is ... The internal pH of Acetobacterium wieringae and Acetobacter aceti during growth and production of acetic acid. Arch Microbiol ... The ferredoxin: NAD+ oxidoreductase (Rnf) from the acetogen Acetobacterium woodii requires Na+ and is reversibly coupled to the ...
Ethylene Glycol Metabolism in the Acetogen Acetobacterium woodii Dragan Trifunović, Kai Schuchmann, Volker Müller ...
Acetobacterium tundrae. DSM-9173. Acetobacterium tundrae. Acetobacterium wieringae. DSM-1911. Acetobacterium wieringae. ATCC ... Acetobacterium woodii. DSM-1030. Acetobacterium woodii. ATCC 29683, JCM 2381. Acetobacteroides hydrogenigenes. DSM-24657. ... Acetobacterium malicum. Acetobacterium paludosum. DSM-8237. Acetobacterium paludosum. Acetobacterium sp.. DSM-2396. ... Acetobacterium sp.. DSM-5193. Acetobacterium sp.. Acetobacterium sp.. DSM-8909. Acetobacterium sp.. ...
Identification of subunits a, b, and c1 from Acetobacterium woodii Na+-F1F0-ATPase: subunits c1, c2, and c3 constitute a mixed ... The Na+-translocating ATPase of Acetobacterium woodii is a F1F0-type enzyme as deduced from the primary structure of its β, γ, ... Sequence of subunit a of the Na+-translocating F1F0-ATPase of Acetobacterium woodii: proposal for residues involved in Na+ ... The Na+-F1F0-ATPase operon from Acetobacterium woodii. Operon structure and presence of multiple copies of atpE which encode ...
and Acetobacterium sp.. Our experiments with H2/CO2 showed that aggregates with pumice particles, i.e. biofilms, as well as ... Presence of CO also led to formation of a layered biomass structure in which the Acetobacterium sp. were more at the outside of ...
Acetobacterium woodii [33952] Number of TMSs:. 4. Substrate. cations Cross database links:. ...
Hansen B, Bokranz M, Schönheit P & Kröger A (1988) ATP formation coupled to caffeate reduction by H2 inAcetobacterium woodii ... Balch WE, Schoberth S, Tanner RS & Wolfe RS (1977)Acetobacterium, a new genus of hydrogen-oxidizing, carbon dioxide-reducing, ... Diekert G, Schrader E & Harder W (1986) Energetics of CO formation and CO oxidation in cell suspensions ofAcetobacterium woodii ... Heise R, Müller V & Gottschalk G (1993) Acetogenesis and ATP synthesis inAcetobacterium woodii are coupled via a transmembrane ...
The genera Acetobacterium, Acetogenium, Acetoanaerobium and Acetitomaculum, p. 1925-1936. In A. Balows, H. G. Trüper, M. ... Acetobacterium woodii, a new genus of hydrogen-oxidizing, carbon dioxide-reducing, anaerobic bacteria. Int. J. Syst. Bacteriol. ... Similar results were obtained with Acetobacterium woodii, suggesting that the results are not unique to the strains isolated ... Acetobacterium woodii, which was isolated from anoxic sediments (1), was included for comparative purposes. ...
Kyria Boundy-Mills, Matthias Hess, A. Rick Bennett, Matthew Ryan, Seogchan Kang, David Nobles, Jonathan A. Eisen, Patrik Inderbitzin, Irnayuli R. Sitepu, Tamas Torok, Daniel R. Brown, Juliana Cho, John E. Wertz, Supratim Mukherjee, Sherry L. Cady, Kevin McCluskey ...
  • Wieringa, K. T.: Over het verdwijnen van waterstof en koolzuur onder anaerobe voorwarden. (springer.com)
  • Porén, algúns acidófilos, como Acetobacter aceti , si teñen citoplasmas acidificados e proteínas que evolucionaron cara á unha grande estabilidade en medios ácidos. (wikipedia.org)
  • Ulvina ' Kützing 1834, ' Mycoderma ' Thompson 1852, ' Termobacterium ' Zeidler 1896 (not Lindner 1895), ' Acetobacterium ' Ludwig 1898, ' Acetimonas ' Orla-Jensen 1909. (bacterio.net)
  • Presence of CO also led to formation of a layered biomass structure in which the Acetobacterium sp. (iwaponline.com)
  • The production of ethanol by Acetobacterium using chemolithotrophic methods is important because ethanol can be used as a biofuel. (wikipedia.org)