Species Methylocystis iwaonis

Name: Methylocystis iwaonis Kaise et al. 2023

Category, proposed as: species, sp. nov.

Etymology: i.wa.o’nis. N.L. gen. masc. n. iwaonis, of Iwao, after the Japanese soil microbiologist Iwao Watanabe, in honour of his valuable contribution to soil microbiology in paddy fields

Pronunciation (Latin), gender: me-t^hy-lo-KYS-tis i-wa-O-nis, feminine

Type strain: JCM 34278; KCTC 82710; NBRC 114996; SS37A-Re

Conduct genome-based taxonomy at

16S rRNA gene: AB669149 Analyse FASTA

Valid publication: Kaise H, Sawadogo JB, Alam MS, Ueno C, Dianou D, Shinjo R, Asakawa S. Methylocystis iwaonis sp. nov., a type II methane-oxidizing bacterium from surface soil of a rice paddy field in Japan, and emended description of the genus Methylocystis (ex Whittenbury et al. 1970) Bowman et al. 1993. Int J Syst Evol Microbiol 2023; 73:5925. 🇯🇵

IJSEM list: Oren A, Göker M. Notification list. Notification that new names and new combinations have appeared in volume 73, part 6 of the IJSEM. Int J Syst Evol Microbiol 2023; 73:6009.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 😷 The risk group for Germany has been imported on 2026-08-13. 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 2 times in PubMed until 2026-06-11.

Parent taxon: Methylocystis (ex Whittenbury et al. 1970) Bowman et al. 1993

Assigned by: Kaise H, Sawadogo JB, Alam MS, Ueno C, Dianou D, Shinjo R, Asakawa S. Methylocystis iwaonis sp. nov., a type II methane-oxidizing bacterium from surface soil of a rice paddy field in Japan, and emended description of the genus Methylocystis (ex Whittenbury et al. 1970) Bowman et al. 1993. Int J Syst Evol Microbiol 2023; 73:5925. 🇯🇵

Linking: To permanently link to this page, use https://doi.org/10.83108/rn.38472Copy to clipboardLink copied to clipboard

Record number: 38472

• Previous versions:

  • Version	Date	JSON
    1	2026-03-31