Name: Yersinia ruckeri Ewing et al. 1978 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: ruck’er.i. N.L. gen. masc. n. ruckeri, of Rucker, named after R.R. Rucker, who studied the red mouth disease and its etiological agents

Gender: feminine

Type strain: ATCC 29473; CCUG 14190; CDC 2396-61; CIP 82.80; DSM 18506; HAMBI 1298; JCM 15110; JCM 2429; NCTC 12986

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: FJ518718 Analyse FASTA

Effective publication: Ewing WH, Ross AJ, Brenner DJ, Fanning GR. Yersinia ruckeri sp. nov., the redmouth (RM) bacterium. International Journal of Systematic Bacteriology 1978; 28:37-44.

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 0.03875 (N = 4).
  • Yersinia ruckeri Ewing et al. 1978 (Approved Lists 1980) was previously known as "the red mouth bacterium". Publication: Euzeby JP. List of Bacterial Names with Standing in Nomenclature: a folder available on the Internet. Int J Syst Bacteriol 1997; 47:590-592.
  • The full TRBA 466 classification is: risk group = 1, note = "t2".

Parent taxon: Yersinia van Loghem 1944 (Approved Lists 1980)

Assigned by: Ewing WH, Ross AJ, Brenner DJ, Fanning GR. Yersinia ruckeri sp. nov., the redmouth (RM) bacterium. International Journal of Systematic Bacteriology 1978; 28:37-44.

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Record number: 785227