Name: Ruminococcus albus Hungate 1957 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: al’bus. L. masc. adj. albus, white

Gender: masculine

Type strain: 7; ATCC 27210; DSM 20455; JCM 14654

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB538438 Analyse FASTA

Effective publication: Hungate RE. Microorganisms in the rumen of cattle fed a constant ration. Can J Microbiol 1957; 3:289-311.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.03769 (N = 51).
  • 😷 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 413 times in PubMed until 2024-03-27.
  • 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project. Publication: Mukherjee S, Seshadri R, Varghese NJ, Eloe-Fadrosh EA, Meier-Kolthoff JP, Goker M, Coates RC, Hadjithomas M, Pavlopoulos GA, Paez-Espino D, et al. 1,003 reference genomes of bacterial and archaeal isolates expand coverage of the tree of life. Nat Biotechnol 2017; 35:676-683.

Parent taxon: Ruminococcus Sijpesteijn 1948 (Approved Lists 1980)

Assigned by: Hungate RE. Microorganisms in the rumen of cattle fed a constant ration. Can J Microbiol 1957; 3:289-311.

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Record number: 780611