Methanobacterium

In taxonomy, Methanobacterium is a genus of the Methanobacteriaceae family of Archaea.[1] Despite the name, this genus belongs not to the bacterial domain but the archaeal domain (for instance, they lack peptidoglycan in their cell walls).[2] Methanobacterium are nonmotile and live without oxygen. Some members of this genus can use formate to reduce methane; others live exclusively through the reduction of carbon dioxide with hydrogen. They are ubiquitous in some hot, low-oxygen environments, such as anaerobic digestors, their wastewater, and hot springs.[3]

Methanobacterium
Scientific classification
Domain: Archaea
Kingdom: Euryarchaeota
Class: Methanobacteria
Order: Methanobacteriales
Family: Methanobacteriaceae
Genus: Methanobacterium
Kluyver and van Niel 1936
Type species
Methanobacterium formicicum
Schnellen 1947
Species

Examples of Methanobacterium Species

Methanobacterium bryantii is part of the syntrophic Methanobacillus omelianskii culture. Methanobacterium thermoautotrophicum Marburg can undergo natural genetic transformation, the transfer of DNA from one cell to another.[4] Genetic transformation in archaeal species, generally, appears to be an adaptation for repairing DNA damage in a cell by utilizing intact DNA information derived from another cell.[5]


Phylogeny

The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN) [6] and National Center for Biotechnology Information (NCBI).[1]

16S rRNA-based LTP_01_2022[7][8][9] 53 marker proteins based GTDB 07-RS207[10][11][12]
 
Methanobacterium
 
 

M. flexile

 
 
 

M. alcaliphilum

 
 

M. movens

 
 
 
 
 

M. aarhusense

 
 
 

M. beijingense

 
 
 

M. movilense

 
 
 

M. oryzae

 
 
 

M. bryantii

 
 
 

M. ivanovii

 
 
 

M. veterum

 
 
 

M. arcticum

 
 

M. espanolae

 
 
 
 
 
 
 
 
 
species‑group 2
 
 
 

Methanosphaera

 
 

Methanobrevibacter

 
 
Methanobacterium
 
 
 

M. lacus

 
 

M. paludis

 
 
 
 

M. aggregans

 
 

M. congolense

 
 
 
 
 
 

M. formicicum

 
 

M. palustre

 
 
 
 

M. subterraneum

 
 
 

M. ferruginis

 
 
 

M. kanagiense

 
 

M. petrolearium

 
 
 
 
 
 
 
 
Methanobacteriaceae
 

Methanobrevibacter

 
 
Methanobacterium
 

M. bryantii

 
 

M. veterum

 
species‑group 2
 
 

Methanosphaera

 
Methanobacterium
 
 

M. paludis

 
 
 

M. aggregans

 
 

M. congolense

 
 
 
 
 

M. petrolearium

 
 
 

M. formicicum

 
 

M. subterraneum

 
 
 
 
 
 
 

See also

References
  1. See the NCBI webpage on Methanobacterium. Data extracted from the "NCBI taxonomy resources". National Center for Biotechnology Information. Retrieved 2007-03-19.
  2. Boone, David R. (2015). "Methanobacterium". Bergey's Manual of Systematics of Archaea and Bacteria. John Wiley & Sons, Ltd. pp. 1–8. doi:10.1002/9781118960608.gbm00495. ISBN 9781118960608.
  3. Wasserfallen, A.; Nolling, J.; Pfister, P.; Reeve, J.; Conway de Macario, E. (2000). "Phylogenetic analysis of 18 thermophilic Methanobacterium isolates supports the proposals to create a new genus, Methanothermobacter gen. nov., and to reclassify several isolates in three species, Methanothermobacter thermautotrophicus comb. nov., Methanothermobacter wolfeii comb. nov., and Methanothermobacter marburgensis sp. nov". International Journal of Systematic and Evolutionary Microbiology. 50 (1): 43–53. doi:10.1099/00207713-50-1-43. ISSN 1466-5026. PMID 10826786.
  4. Worrell VE, Nagle DP Jr, McCarthy D, Eisenbraun A. Genetic transformation system in the archaebacterium Methanobacterium thermoautotrophicum Marburg. J Bacteriol. 1988 Feb;170(2):653-6. doi: 10.1128/jb.170.2.653-656.1988. PMID: 3422229; PMCID: PMC210704
  5. Bernstein H, Bernstein C. Sexual communication in archaea, the precursor to meiosis. pp. 103-117 in Biocommunication of Archaea (Guenther Witzany, ed.) 2017. Springer International Publishing
  6. J.P. Euzéby. "Methanobacterium". List of Prokaryotic names with Standing in Nomenclature (LPSN). Retrieved 23 February 2022.
  7. "The LTP". Retrieved 23 February 2022.
  8. "LTP_all tree in newick format". Retrieved 23 February 2022.
  9. "LTP_01_2022 Release Notes" (PDF). Retrieved 23 February 2022.
  10. "GTDB release 07-RS207". Genome Taxonomy Database. Retrieved 20 June 2022.
  11. "ar53_r207.sp_labels". Genome Taxonomy Database. Retrieved 20 June 2022.
  12. "Taxon History". Genome Taxonomy Database. Retrieved 20 June 2022.

Further reading

Scientific journals

Scientific databases
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