| Syntrophothermus lipocalidus | |
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| Species: | S. lipocalidus |
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| Syntrophothermus lipocalidus Sekiguchi et al. 2000 | |
"Syntrophothermus lipocalidus" is a bacterium, the type species and only currently described species in its genus. It is thermophilic, syntrophic, fatty-acid-oxidizing and anaerobic, and utilises isobutyrate. TGB-C1T is its type strain. [1] Its genome has been fully sequenced. [2]
The Thermomicrobia is a group of thermophilic green non-sulfur bacteria. Based on species Thermomicrobium roseum and Sphaerobacter thermophilus, this bacteria class has the following description:
Sulfur-reducing bacteria are microorganisms able to reduce elemental sulfur (S0) to hydrogen sulfide (H2S). These microbes use inorganic sulfur compounds as electron acceptors to sustain several activities such as respiration, conserving energy and growth, in absence of oxygen. The final product or these processes, sulfide, has a considerable influence on the chemistry of the environment and, in addition, is used as electron donor for a large variety of microbial metabolisms. Several types of bacteria and many non-methanogenic archaea can reduce sulfur. Microbial sulfur reduction was already shown in early studies, which highlighted the first proof of S0 reduction in a vibrioid bacterium from mud, with sulfur as electron acceptor and H2 as electron donor. The first pure cultured species of sulfur-reducing bacteria, Desulfuromonas acetoxidans, was discovered in 1976 and described by Pfennig Norbert and Biebel Hanno as an anaerobic sulfur-reducing and acetate-oxidizing bacterium, not able to reduce sulfate. Only few taxa are true sulfur-reducing bacteria, using sulfur reduction as the only or main catabolic reaction. Normally, they couple this reaction with the oxidation of acetate, succinate or other organic compounds. In general, sulfate-reducing bacteria are able to use both sulfate and elemental sulfur as electron acceptors. Thanks to its abundancy and thermodynamic stability, sulfate is the most studied electron acceptor for anaerobic respiration that involves sulfur compounds. Elemental sulfur, however, is very abundant and important, especially in deep-sea hydrothermal vents, hot springs and other extreme environments, making its isolation more difficult. Some bacteria – such as Proteus, Campylobacter, Pseudomonas and Salmonella – have the ability to reduce sulfur, but can also use oxygen and other terminal electron acceptors.
The Alicyclobacillaceae are a family of Gram-positive bacteria. All members of this family are aerobic and form endospores.
Hydrogenobacter thermophilus is an extremely thermophilic, straight rod (bacillus) bacterium. TK-6 is the type strain for this species. It is a Gram negative, non-motile, obligate chemolithoautotroph. It belongs to one of the earliest branching order of Bacteria. H. thermophilus TK-6 lives in soil that contains hot water. It was one of the first hydrogen oxidizing bacteria described leading to the discovery, and subsequent examination of many unique proteins involved in its metabolism. Its discovery contradicted the idea that no obligate hydrogen oxidizing bacteria existed, leading to a new understanding of this physiological group. Additionally, H. thermophilus contains a fatty acid composition that had not been observed before.
Syntrophomonas wolfei is a bacterium. It is anaerobic, syntrophic and fatty acid-oxidizing. It has a multilayered cell wall of the gram-negative type.
Thermacetogenium phaeum is a bacterium, the type species of its genus. It is strictly anaerobic, thermophilic, syntrophic and acetate-oxidizing. Its cells are gram-positive, endospore-forming and rod-shaped. Its type strain is PBT. It has a potential biotechnological role.
Sulfobacillus acidophilus is a species of moderately thermophilic mineral-sulphide-oxidizing bacteria. It is Gram-positive, acidophilic and ferrous-iron-oxidising as well.
Clostridium uliginosum is a mesophilic bacterium oxidizing acetate in syntrophic association with a hydrogenotrophic methanogenic bacterium. It is a spore-forming, gram-positive, rod-shaped organism, with type strain BST. Its genome has been sequenced.
Syntrophomonas sapovorans is a bacterium. It is anaerobic, syntrophic, and fatty acid-oxidizing and obligately proton-reducing. Its type strain is OM. It has a doubling time of 40 hours. It is part of the family Syntrophomonadaceae based on comparative small-subunit (SSU) rRNA sequence analysis. This family currently contains three genera, Syntrophomonas, Syntrophospora, and Thermosyntropha, as well as two closely related isolates, strains FSM2 and FSS7.
Syntrophomonas curvata is a bacterium. It is anaerobic, syntrophic and fatty acid-oxidizing. Its type strain is GB8-1T.
Syntrophomonas palmitatica is a bacterium. It is anaerobic, syntrophic and fatty acid-oxidizing. Its type strain is GB8-1T. Cells are slightly curved, non-motile rods.
Syntrophomonas zehnderi is a bacterium. It is anaerobic, syntrophic and fatty acid-oxidizing. The type strain is OL-4T. Cells are slightly curved, non-motile rods.
Pelotomaculum thermopropionicum is an anaerobic, thermophilic, syntrophic propionate-oxidizing bacterium, the type species of its genus. The type strain is strain SI(T).
Dethiosulfovibrio peptidovorans is an anaerobic, slightly halophilic, thiosulfate-reducing bacterium. Its genome has been sequenced. It is vibrio-shaped, gram-negative and possesses lateral flagella. It is non-spore-forming. Its type strain is SEBR 4207T.
Thermosyntropha lipolytica is a lipolytic, anaerobic, alkalitolerant, thermophilic bacteria. It lives in syntrophic coculture with a methanogen. Its cells are non-motile, non-spore forming, straight or slightly curved rods. Its type strain is JW/VS-265T.
Sulfuricurvum kujiense is a facultatively anaerobic, chemolithoautotrophic, sulfur-oxidizing bacterium, the type species of its genus. Its cells are motile, curved rods and have a single polar flagellum. Its type strain is YK-1T.
Desulfurobacterium thermolithotrophum is a species of autotrophic, sulphur-reducing bacterium isolated from a deep-sea hydrothermal vent. It is the type species of its genus, being thermophilic, anaerobic, Gram-negative, motile and rod-shaped, with type strain BSAT.
Syntrophothermus is a bacterial genus from the family of Syntrophomonadaceae. Up to now there is only on species of this genus known.
Kyrpidia is a genus of Gram-positive, rod-shaped, thermophilic, spore-forming bacteria.
Kyrpidia tusciae is a species of Gram positive, facultatively anaerobic, thermophilic bacterium. The cells are rod-shaped and form spores.
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