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The Thermoprotei is a class of the Thermoproteota.
Methanococcus is a genus of coccoid methanogens of the family Methanococcaceae. They are all mesophiles, except the thermophilic M. thermolithotrophicus and the hyperthermophilic M. jannaschii. The latter was discovered at the base of a “white smoker” chimney at 21°N on the East Pacific Rise and it was the first archaeal genome to be completely sequenced, revealing many novel and eukaryote-like elements.
The Desulfurococcales are an order of the Thermoprotei, part of the kingdom Archaea. The order encompasses some genera which are all thermophilic, autotrophs which utilise chemical energy, typically by reducing sulfur compounds using hydrogen.
Methanobacteriales is an order of archaeans in the class Methanobacteria. Species within this order differ from other methanogens in that they can use fewer catabolic substrates and have distinct morphological characteristics, lipid compositions, and RNA sequences. Their cell walls are composed of pseudomurein. Most species are Gram-positive with rod-shaped bodies and some can form long filaments. Most of them use formate to reduce carbon dioxide, but those of the genus Methanosphaera use hydrogen to reduce methanol to methane.
In taxonomy, the Methanococcales are an order of the Methanococci.
In the taxonomy of microorganisms, the Methanomicrobiales are an order of the Methanomicrobia. Methanomicrobiales are strictly carbon dioxide reducing methanogens, using hydrogen or formate as the reducing agent. As seen from the phylogenetic tree based on 'The All-Species Living Tree' Project the family Methanomicrobiaceae is highly polyphyletic within the Methanomicrobiales.
Sulfolobales is an order of archaeans in the class Thermoprotei.
Thermoproteales are an order of archaeans in the class Thermoprotei. They are the only organisms known to lack the SSB proteins, instead possessing the protein ThermoDBP that has displaced them. The rRNA genes of these organisms contain multiple introns, which can be homing endonuclease encoding genes, and their presence can impact the binding of "universal" 16S rRNA primers often used in environmental sequencing surveys.
In taxonomy, the Methanocaldococcaceae are a family of microbes within the order Methanococcales. It contains two genera, the type genus Methanocaldococcus and Methanotorris. These species are coccoid in form, neutrophilic to slightly acidophilic, and predominantly motile, and they have a very short generation period, from 25 to 45 minutes under optimal conditions. They produce energy exclusively through the reduction of carbon dioxide with hydrogen. Some species have been found in marine hydrothermal vents.
Methanomicrobiaceae are a family of archaea in the order the Methanomicrobiales.
In taxonomy, the Methanosarcinaceae are a family of the Methanosarcinales.
The Pyrodictiaceae are a family of disc-shaped anaerobic microorganisms belonging to the order Desulfurococcales, in the domain Archaea. Members of this family are distinguished from the other family (Desulfurococcaceae) in the order Desulfurococcales by having an optimal growth temperature above 100 °C, rather than below 100 °C.
In taxonomy, the Thermofilaceae are a family of the Thermoproteales.
In taxonomy, the Thermoproteaceae are a family of the Thermoproteales.
Pyrobaculum is a genus of the Thermoproteaceae.
In taxonomy, Vulcanisaeta is a genus of the Thermoproteaceae.
In taxonomy, Acidilobus is a genus of the Acidilobaceae.
In taxonomy, Staphylothermus is a genus of the Desulfurococcaceae.[1]
In taxonomy, Methanofollis is a genus of the Methanomicrobiaceae.
Methanocalculus is a genus of the Methanomicrobiales, and is known to include methanogens.
References
- 1 2 See the NCBI webpage on Thermofilales. Data extracted from the "NCBI taxonomy resources". National Center for Biotechnology Information . Retrieved 2021-11-19.
- 1 2 Anderson I, Rodriguez J, Susanti D, Porat I, Reich C, Ulrich LE, Elkins JG, Mavromatis K, Lykidis A, Kim E, Thompson LS, Nolan M, Land M, Copeland A, Lapidus A, Lucas S, Detter C, Zhulin IB, Olsen GJ, Whitman W, Mukhopadhyay B, Bristow J, Kyrpides N. Genome sequence of Thermofilum pendens reveals an exceptional loss of biosynthetic pathways without genome reduction. J Bacteriol. 2008 Apr;190(8):2957-65. doi: 10.1128/JB.01949-07. Epub 2008 Feb 8. PMID: 18263724; PMCID: PMC2293246
- ↑ Brown AM, Hoopes SL, White RH, Sarisky CA. Purine biosynthesis in archaea: variations on a theme. Biol Direct. 2011 Dec 14;6:63. doi: 10.1186/1745-6150-6-63. PMID: 22168471; PMCID: PMC3261824
- ↑ "GTDB release 06-RS202". Genome Taxonomy Database . Retrieved 6 December 2021.
- ↑ "ar122_r202.sp_label". Genome Taxonomy Database . Retrieved 6 December 2021.
- ↑ "Taxon History". Genome Taxonomy Database . Retrieved 6 December 2021.
- ↑ J.P. Euzéby. "Thermofilaceae". List of Prokaryotic names with Standing in Nomenclature (LPSN). Retrieved 2021-06-27.
