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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.
Acidilobales are an order of archaea in the class Thermoprotei.
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.
In taxonomy, the Methanococcaceae are a family of the Methanococcales. These organisms produce methane from formate or through the reduction of carbon dioxide with hydrogen. They live in marshes and other coastal areas. Members of the genus Methanothermococcus have been found in deep-sea hydrothermal vents.
In taxonomy, the Methanocorpusculaceae are a family of microbes within the order Methanomicrobiales. It contains exactly one genus, Methanocorpusculum. The species within Methanocorpusculum were first isolated from anaerobic digesters and anaerobic wastewater treatment plants. In the wild, they prefer freshwater environments. Unlike many other methanogenic archaea, they do not require high temperatures or extreme salt concentrations to live and grow.
Methanomicrobiaceae are a family of archaea in the order the Methanomicrobiales.
In taxonomy, the Methanosarcinaceae are a family of the Methanosarcinales.
Acidilobus is a genus of archaea in the family Acidilobaceae.
In taxonomy, Methanolobus is a genus of methanogenic archaea within the Methanosarcinaceae. These organisms are strictly anaerobes and live exclusively through the production of methane, but the species within Methanolobus cannot use carbon dioxide with hydrogen, acetate or formate, only methyl compounds. The cells are irregular coccoid in form and approximately 1 μm in diameter. They do not form endospores. They are Gram negative and only some are motile, via a single flagellum. They are found in lake and ocean sediments that lack oxygen.
Halalkalicoccus is a genus of the Halobacteriaceae.
Halobaculum is a genus of the Halorubraceae.
Halobiforma is a genus of halophilic archaea of the family Natrialbaceae.
In taxonomy, Halogeometricum is a genus of the Haloferacaceae.
In taxonomy, Haloplanus is a genus of the Halobacteriaceae.
In taxonomy, Halovivax is a genus of the Natrialbaceae. Some species of Halovivax are halophiles and have been found in Iran's Aran-Bidgol hypersaline lake.
Natronomonas is a genus of the Halobacteriaceae.
Natronorubrum is a genus in the family Halobacteriaceae.
References
- 1 2 Sayers; et al. "Methanocalculaceae". National Center for Biotechnology Information (NCBI) taxonomy database. Retrieved 2022-06-05.
- 1 2 T.N. Zhilina; D.G. Zavarzina; V.V. Kevbrin; T.V. Kolganova (November 2013). "Methanocalculus natronophilus sp. nov., a new alkaliphilic hydrogenotrophic methanogenic archaeon from a soda lake, and proposal of the new family Methanocalculaceae". Mikrobiologiya. 82 (6): 698–706. doi:10.1134/S0026261713060131. S2CID 9754709.
- 1 2 David R. Boone; Richard W. Castenholz, eds. (2012-01-13). Bergey's Manual of Systematic Bacteriology. Vol. 1 (2 ed.). Nueva York: Springer Science and Business Media. p. 267. doi:10.1007/978-0-387-21609-6. ISBN 978-1-4419-3159-7. S2CID 41426624 . Retrieved 2016-07-26.
- ↑ J.P. Euzéby. "Methanocalculaceae". List of Prokaryotic names with Standing in Nomenclature (LPSN). Retrieved 2021-11-17.
- ↑ "The LTP" . Retrieved 10 May 2023.
- ↑ "LTP_all tree in newick format" . Retrieved 10 May 2023.
- ↑ "LTP_06_2022 Release Notes" (PDF). Retrieved 10 May 2023.
- ↑ "GTDB release 08-RS214". Genome Taxonomy Database . Retrieved 10 May 2023.
- ↑ "ar53_r214.sp_label". Genome Taxonomy Database . Retrieved 10 May 2023.
- ↑ "Taxon History". Genome Taxonomy Database . Retrieved 10 May 2023.
