Name: Treponema hyodysenteriae Harris et al. 1972 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: hy.o.dy.sen.te.ri.ae. Gr. masc./fem. n. hŷs (gen. hyos), hog, pig; L. fem. n. dysenteria, a flux, dysentery; N.L. gen. fem. n. hyodysenteriae, of hog dysentery. In recognition of the species as the etiologic agent of swine dysentery

Gender: neuter

Type strain: ATCC 27164; B 78; CCUG 46668; NCTC 13041

Conduct genome-based taxonomy at

16S rRNA gene: M57743 Analyse FASTA

Effective publication: Harris DL, Glock RD, Christensen CR, Kinyon JM. Inoculation of pigs with Treponema hyodysenteriae (new species) and reproduction f the disease. Vet Med Small Anim Clin 1972; 67:61-64.

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: synonym

Correct name: Brachyspira hyodysenteriae (Harris et al. 1972) Ochiai et al. 1998

Risk group: 2

• Synonyms:

  • Name	Kind
    Brachyspira hyodysenteriae (Harris et al. 1972) Ochiai et al. 1998	homotypic synonym, validly published under the ICNP
    Serpula hyodysenteriae (Harris et al. 1972) Stanton et al. 1991	homotypic synonym, validly published under the ICNP, illegitimate name
    Serpulina hyodysenteriae (Harris et al. 1972) Stanton 1992	homotypic synonym, validly published under the ICNP

• Notes:
  • Treponema hyodysenteriae is the correct name 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 Treponema.
  • However, the right type strain is the strain ATCC 27164, see American Type Culture Collection (ATCC). 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.
  • See also: Publication: Stanton TB. Proposal to change the genus designation Serpula to Serpulina gen. nov. containing the species Serpulina hyodysenteriae comb. nov. and Serpulina innocens comb. nov. Int J Syst Bacteriol 1992; 42:189-190.
  • See also: Publication: Stanton TB, Jensen NS, Casey TA, Tordoff LA, Dewhirst FE, Paster BJ. Reclassification of Treponema hyodysenteriae and Treponema innocens in a new genus, Serpula gen. nov., as Serpula hyodysenteriae comb. nov. and Serpula innocens comb. nov. Int J Syst Bacteriol 1991; 41:50-58.
  • See also: Publication: Moore WEC, Moore LVH. Index of the bacterial and yeast nomenclatural changes published in the International Journal of Systematic Bacteriology since the 1980 Approved Lists of Bacterial Names (1 January 1980 to 1 January 1992). American Society for Microbiology, Washington, 1992.
  • See also: Publication: Skerman VBD, McGowan V, Sneath PHA. Approved Lists of Bacterial Names. Amended edition. American Society for Microbiology, Washington, 1989.
  • See also: Publication: Kinyon JM, Harris DL. Treponema innocens, a new species of intestinal bacteria and emended description of the type strain of Treponema hyodysenteriae Harris et al. Int. J. Syst. Bacteriol. 1979; 29:102-109.
  • See also: Publication: Smibert RM. Genus III. Treponema Schaudinn 1905, 1728AL. In: Krieg NR, Holt JG (eds), Bergey's Manual of Systematic Bacteriology, first edition, vol. 1, The Williams & Wilkins Co, Baltimore, 1984, p. 49-57.
  • The type strain B78 is cited as ATCC 27164 [1, 2, 3, 4, 5] or as ATCC 27168 [6, 7]. Publication: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.
  • The full TRBA 466 classification is: risk group = 2, note = "t".

Parent taxon: Treponema Schaudinn 1905 (Approved Lists 1980)

Assigned by: Harris DL, Glock RD, Christensen CR, Kinyon JM. Inoculation of pigs with Treponema hyodysenteriae (new species) and reproduction f the disease. Vet Med Small Anim Clin 1972; 67:61-64.

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Record number: 785109