Name: Methanoculleus chikugoensis Dianou et al. 2001

Category: Species

Proposed as: sp. nov.

Etymology: chi.ku.go.en’sis. N.L. masc./fem. adj. chikugoensis, of Chikugo, the city in Fukuoka, Japan, from where the strain was isolated [probably better: chikugonensis]

Gender: masculine

Type strain: DSM 13459; JCM 10825; MG62; NBRC 101202

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB038795 Analyse FASTA

Valid publication: Dianou D, Miyaki T, Asakawa S, Morii H, Nagaoka K, Oyaizu H, Matsumoto S. Methanoculleus chikugoensis sp. nov., a novel methanogenic archaeon isolated from paddy field soil in Japan, and DNA-DNA hybridization among Methanoculleus species. Int J Syst Evol Microbiol 2001; 51:1663-1669.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 51, part 5 of the IJSEM. Int J Syst Evol Microbiol 2001; 51:1947-1948.

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.
  • 🎓 Name mentioned 3 times in PubMed until 2024-03-28.

Parent taxon: Methanoculleus Maestrojuán et al. 1990

Assigned by: Dianou D, Miyaki T, Asakawa S, Morii H, Nagaoka K, Oyaizu H, Matsumoto S. Methanoculleus chikugoensis sp. nov., a novel methanogenic archaeon isolated from paddy field soil in Japan, and DNA-DNA hybridization among Methanoculleus species. Int J Syst Evol Microbiol 2001; 51:1663-1669.

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Record number: 777867