Name: Methylomonas koyamae Ogiso et al. 2012

Category: Species

Proposed as: sp. nov.

Etymology: ko.ya’mae. N.L. gen. masc. n. koyamae, named after Japanese biogeochemist Tadashiro Koyama, in honour of his seminal research on gas metabolism in paddy soils and lake sediments, especially atmospheric methane production

Pronunciation (Latin), gender: … ko-YA-ma͡e, feminine

Type strain: Fw12E-Y; JCM 16701; NBRC 105905; NCIMB 14606

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB538964 Analyse FASTA

Valid publication: Ogiso T, Ueno C, Dianou D, Huy TV, Katayama A, Kimura M, Asakawa S. Methylomonas koyamae sp. nov., a type I methane-oxidizing bacterium from floodwater of a rice paddy field. Int J Syst Evol Microbiol 2012; 62:1832-1837. 🇯🇵

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 62, part 8 of the IJSEM. Int J Syst Evol Microbiol 2012; 62:2555-2556.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 😢 The terminology used by the authors is in line with many other taxonomic studies and does not negatively affect their main results; some improvements may nevertheless be possible. Using the term "phylogenetic data" (or equivalent) for sequence data is not advocated. Whether taxa can have "members" is debatable. See the LPSN phylogeny page for details. Publication: Göker M. What can genome analysis offer for bacteria? In: Bridge P, Smith D, Stackebrandt E (eds), Trends in the systematics of bacteria and fungi, CAB International, Wallingford, 2021, p. 255-281. 🇬🇧
  • 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1. — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
  • 🎓 Name mentioned 8 times in PubMed until 2025-06-04.

Parent taxon: Methylomonas (ex Leadbetter 1974) Whittenbury and Krieg 1984

Assigned by: Ogiso T, Ueno C, Dianou D, Huy TV, Katayama A, Kimura M, Asakawa S. Methylomonas koyamae sp. nov., a type I methane-oxidizing bacterium from floodwater of a rice paddy field. Int J Syst Evol Microbiol 2012; 62:1832-1837. 🇯🇵

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Record number: 790069