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In taxonomy, Methanofollis is a genus of the Methanomicrobiaceae.

Description and significance

Methanofollis ("a methane-producing bag") is a non-motile, Gram-negative, obligately anaerobic, mesophilic archaeon that produces methane. It grows between the temperatures 20–45 °C (optimum 34–40 °C), and at the pH of around 7.

Genome structure

The genome of the archaeon has not yet sequenced. The G + C content of the DNA is determined to be 60.0%.

Cell structure and metabolism

The cells of Methanofollis are highly irregular cocci, with diameter of 1.25–2.0 μm. The major polar lipids are phospholipids, glycolipids, and phosphoglycolipids. It utilizes H₂/CO₂, formate, 2-propanol/CO₂, and 2-butanol/CO₂ for growth and methanogenesis. No growth has been observed on acetate, trimethylamine, methanol, ethanol, 2-propanol, isobutanol, or 2-butanol as catabolic substrates.

Ecology

Most species of the archaeon are isolated from anaerobic high-rate wastewater bioreactors or solfataric fields. For example, M. tationis was isolated from a solfataric field on Mount Tatio in the Atacama desert in northern Chile.

Phylogeny

The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN) and National Center for Biotechnology Information (NCBI).

See also

• List of Archaea genera

References

1. ^ Sayers; et al. "Methanofollis". National Center for Biotechnology Information (NCBI) taxonomy database. Retrieved 2022-06-05.
2. J.P. Euzéby. "Methanofollis". List of Prokaryotic names with Standing in Nomenclature (LPSN). Retrieved 2021-11-17.
3. "The LTP". Retrieved 10 May 2023.
4. "LTP_all tree in newick format". Retrieved 10 May 2023.
5. "LTP_06_2022 Release Notes" (PDF). Retrieved 10 May 2023.
6. "GTDB release 08-RS214". Genome Taxonomy Database. Retrieved 10 May 2023.
7. "ar53_r214.sp_label". Genome Taxonomy Database. Retrieved 10 May 2023.
8. "Taxon History". Genome Taxonomy Database. Retrieved 10 May 2023.

Further reading

• Zellner G; Boone DR; Keswani J; Whitman WB; et al. (1999). "Reclassification of Methanogenium tationis and Methanogenium liminatans as Methanofollis tationis gen. nov., comb. nov. and Methanofollis liminatans comb. nov. and description of a new strain of Methanofollis liminatans". Int. J. Syst. Bacteriol. 49: 247–255. doi:10.1099/00207713-49-1-247. PMID 10028269.
• Balch WE; Fox GE; Magrum LJ; Woses CR; et al. (1979). "Methanogens: reevaluation of a unique biological group". Microbiol. Rev. 43 (2): 260–296. doi:10.1128/MMBR.43.2.260-296.1979. PMC 281474. PMID 390357.
• Shimizu, Satoru; Ueno, Akio; Ishijima, Yoji (September 7, 2011). "Microbial Communities Associated with Acetate-Rich Gas-Petroleum Reservoir Surface Facilities". Bioscience, Biotechnology, and Biochemistry. 75 (9): 1835–1837. doi:10.1271/bbb.110243. PMID 21897018.

External links

• Methanofollis at BacDive - the Bacterial Diversity Metadatabase

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