Name: Ruminococcus hydrogenotrophicus Bernalier et al. 1997

Category: Species

Proposed as: sp. nov.

Etymology: hy.dro.ge.no.tro’phi.cus. Gr. neut. n. hydôr, water; N.L. masc. adj. suff. -genus, race, offspring; N.L. neut. n. hydrogenium, hydrogen, that which produces water; Gr. masc./fem. adj. trophos, one who feeds; N.L. masc. adj. hydrogenotrophicus, one who feeds on hydrogen, referring to the ability of the microorganism to grow with H 2 /CO 2 as energy source

Gender: masculine

Type strain: DSM 10507; JCM 14656; S5a33; S5a36

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB910751 Analyse FASTA

Effective publication: Bernalier A, Willems A, Leclerc M, Rochet V, Collins MD. Ruminococcus hydrogenotrophicus sp. nov., a new H2/CO2-utilizing acetogenic bacterium isolated from human feces. Arch Microbiol 1996; 166:176-183.

IJSEM list: Anonymous. Validation list no. 61. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1997; 47:601-602.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym (and not recommended for medical use)

Correct name: Blautia hydrogenotrophica (Bernalier et al. 1997) Liu et al. 2008

Risk group: 1

• Synonyms:

  • Name	Kind
    Blautia hydrogenotrophica (Bernalier et al. 1997) Liu et al. 2008	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Ruminococcus hydrogenotrophicus is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Ruminococcus.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — 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 6 times in PubMed until 2024-03-28.
  • 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of the name to be applied to this species. The name is on LoRN because of the recorded risk group of other species in the genus.

Parent taxon: Ruminococcus Sijpesteijn 1948 (Approved Lists 1980)

Assigned by: Bernalier A, Willems A, Leclerc M, Rochet V, Collins MD. Ruminococcus hydrogenotrophicus sp. nov., a new H2/CO2-utilizing acetogenic bacterium isolated from human feces. Arch Microbiol 1996; 166:176-183.

Linking: To permanently link to this page, use https://lpsn.dsmz.de/species/ruminococcus-hydrogenotrophicusCopy to clipboardLink copied to clipboard

Record number: 780614