Biology:Methanoculleus

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Methanoculleus is a genus of microbes within the family Methanomicrobiaceae.[1] The species of the genus Methanoculleus live in marine environments brackish water, and are very common in bioreactors, landfills, and wastewater. Unlike other archaea, Methanoculleus and some species of related genera can use ethanol and some secondary alcohols as electron donors as they produce methane. This has implications as the production of methane as a greenhouse gas and consequences with respect to global climate change.[2]

Phylogeny

The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN)[3] and National Center for Biotechnology Information (NCBI).[1]

16S rRNA based LTP_07_2026[4][5][6] 53 marker proteins based GTDB 11-RS232[7][8][9]
Methanoculleus
 

M. taiwanensis

 
 
 

M. bourgensis

 
 
 

M. receptaculi

 
 
 
 

M. hydrogenitrophicus Tian, Wang & Dong 2010

 
 

M. thermophilus

 
 
 
 

M. palmolei

 
 
 
 

M. chikugoensis

 
 

M. horonobensis

 
 
 
 

M. sediminis

 
 
 

M. marisnigri (Romesser et al. 1981) Maestrojun et al. 1990

 
 

M. submarinus Mikucki et al. 2003

 
 
 
 
 
 
 
 
 
Methanoculleus
 
 

M. frigidifontis Lai et al. 2024

 
 

M. taiwanensis Weng et al. 2015

 
 
 
 

M. receptaculi Cheng et al. 2008

 
 
 

M. thermophilus corrig. (Rivard & Smith 1982) Maestrojuan et al. 1990

 
 
 
 

M. caldifontis Lai et al. 2024

 
 
 

M. palmolei Zellner et al. 1998

 
 
 

M. bourgensis corrig. (Ollivier et al. 1986) Maestrojun et al. 1990

 
 

"Ca. M. thermohydrogenotrophicus" corrig. Kougias et al. 2017

 
 
 
 
 
 
 

M. nereidis Lai et al. 2024

 
 

M. oceani Lai et al. 2024

 
 
 
 
 

M. chikugoensis Dianou et al. 2001

 
 

M. formosensis Lai et al. 2024

 
 
 
 

M. horonobensis Shimizu et al. 2013

 
 
 

M. methanifontis Lai et al. 2024

 
 
 

M. marisnigri [incl.M. submarinus]

 
 

M. sediminis Chen et al. 2015

 
 
 
 
 
 
 
 
 
 

Species incertae sedis:

  • "Ca. M. ammoniitolerans" Weng et al. 2024
  • "M. bovis" Trubitsyn et al. 2025

See also

References

  1. ↑ 1.0 1.1 C.L. Schoch. "Methanoculleus". National Center for Biotechnology Information (NCBI) taxonomy database. https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?command=show&mode=tree&id=45989&lvl=3. 
  2. ↑ "JGI Genome Portal, Methanoculleus". U.S. Department of Energy, Office of Science. http://genome.jgi.doe.gov/metma/metma.home.html. Retrieved 2016-07-24. 
  3. ↑ Methanoculleus in LPSN; Freese, H. M.; Meier-Kolthoff, J. P.; Sardà Carbasse, J.; Afolayan, A. O.; Göker, M. (29 October 2025). "TYGS and LPSN in 2025: a Global Core Biodata Resource for genome-based classification and nomenclature of prokaryotes within DSMZ Digital Diversity". Nucleic Acids Research 53: D1–D12. doi:10.1093/nar/gkaf1110. 
  4. ↑ "The LTPlus". https://bioinfo.uib.es/ltp/#LTPlus. 
  5. ↑ "LTP_all tree in newick format". https://biocom.uib.es/opucheck-backend/api/releases/07_26_04. 
  6. ↑ Rossello-Mora, Ramon; Viver, Tomeu; Palmer-Rodríguez, Pere; Westram, Ralf; Bustos-Caparros, Esteban; Gago, Joan Francisco; Gonzalez-Mendez, Jaime; Llabrés, Mercè et al. (22 April 2026). "A pipeline for improved 16S rRNA gene-based phylogeny and diversity analyses of Bacteria and Archaea" (in en). Nature Portfolio. doi:10.21203/rs.3.rs-9370187/v1. https://doi.org/10.21203/rs.3.rs-9370187/v1. 
  7. ↑ "GTDB release 11-RS232". https://gtdb.ecogenomic.org/about#4%7C. 
  8. ↑ "ar53_r232.sp_label". https://data.gtdb.ecogenomic.org/releases/release232/232.0/auxillary_files/ar53_r232.sp_labels.tree. 
  9. ↑ "Taxon History". https://gtdb.ecogenomic.org/taxon_history/. 

Further reading

  • Maestrojuan GM; Boone DR; Xun LY; Mah RA et al. (1990). "Transfer of Methanogenium bourgense, Methanogenium marisnigri, Methanogenium olentangyi, and Methanogenium thermophilicum to the genus Methanoculleus gen. nov, emendation of Methanoculleus marisnigri and Methanogenium, and description of new strains of Methanoculleus bourgense and Methanoculleus marisnigr". Int. J. Syst. Bacteriol. 40: 117–122. doi:10.1099/00207713-40-2-117. 
  • Balch WE; Fox GE; Magrum LJ; Woese 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. PMID 390357. 

Wikidata ☰ Q4044112 entry