Name: Symbiobacterium thermophilum Ohno et al. 2000

Category: Species

Proposed as: sp. nov.

Etymology: ther.mo’phi.lum. Gr. fem. adj. thermê, heat; N.L. adj. philus -a -um, friend, loving; from Gr. adj. philos -ê -on, loving; N.L. neut. adj. thermophilum, heat-loving, referring to the optimum growth at a high temperature

Pronunciation (Latin), gender: … t^her-MO-p^hi-lum, neuter

Type strain: DSM 24528; IAM 14863; JCM 14929; T

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AP006840 Analyse FASTA

Valid publication: Ohno M, Shiratori H, Park MJ, Saitoh Y, Kumon Y, Yamashita N, Hirata A, Nishida H, Ueda K, Beppu T. Symbiobacterium thermophilum gen. nov., sp. nov., a symbiotic thermophile that depends on co-culture with a Bacillus strain for growth. Int J Syst Evol Microbiol 2000; 50:1829-1832. 🇯🇵

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 50, part 5 of the IJSEM. Int J Syst Evol Microbiol 2000; 50:1955.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 🥇 Nomenclatural type of the genus Symbiobacterium Ohno et al. 2000. Publication: Ohno M, Shiratori H, Park MJ, Saitoh Y, Kumon Y, Yamashita N, Hirata A, Nishida H, Ueda K, Beppu T. Symbiobacterium thermophilum gen. nov., sp. nov., a symbiotic thermophile that depends on co-culture with a Bacillus strain for growth. Int J Syst Evol Microbiol 2000; 50:1829-1832. 🇯🇵
  • 😷 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 52 times in PubMed until 2025-06-04.

Parent taxon: Symbiobacterium Ohno et al. 2000

Assigned by: Ohno M, Shiratori H, Park MJ, Saitoh Y, Kumon Y, Yamashita N, Hirata A, Nishida H, Ueda K, Beppu T. Symbiobacterium thermophilum gen. nov., sp. nov., a symbiotic thermophile that depends on co-culture with a Bacillus strain for growth. Int J Syst Evol Microbiol 2000; 50:1829-1832. 🇯🇵

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Record number: 785038