Species Caseobacter polymorphus

Name: Caseobacter polymorphus Crombach 1978 (Approved Lists 1980)

Category, proposed as: species, sp. nov.

Etymology: po.ly.mor’phus. N.L. masc. adj. polymorphus, having many shapes, multiform; from Gr. masc. adj. polymorphos

Pronunciation (Latin), gender: ka-se-o-BAK-ter po-ly-MOR-p^hus, masculine

Type strain: ATCC 33010; CCM 3383; CECT 4164; DSM 20536; HAMBI 2051; IFO 14757; JCM 1377; LMD AC 256; NBRC 14757

16S rRNA gene: AJ222816 Analyse FASTA

Effective publication: Crombach WHJ. Caseobacter polymorphus gen. nov., sp. nov., a coryne-form bacterium from cheese. International Journal of Systematic Bacteriology 1978; 28:354-366.

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: Corynebacterium variabile corrig. (Müller 1961) Collins 1987

Risk group: 1

• Synonyms:

  • Name	Kind
    Corynebacterium mooreparkense Brennan et al. 2001	heterotypic synonym, validly published under the ICNP
    Corynebacterium variabile corrig. (Müller 1961) Collins 1987	heterotypic synonym, validly published under the ICNP
    Corynebacterium variabilis (Müller 1961) Collins 1987	heterotypic synonym, inaccurate spelling
    Arthrobacter variabilis Müller 1961 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP

• Notes:
  • 🥇 Nomenclatural type of the genus Caseobacter Crombach 1978 (Approved Lists 1980). Publication: Crombach WHJ. Caseobacter polymorphus gen. nov., sp. nov., a coryne-form bacterium from cheese. International Journal of Systematic Bacteriology 1978; 28:354-366.
  • ⏲ According to Collins et al. (1989), this species is a later heterotypic synonym of Corynebacterium variabile corrig. (Müller 1961) Collins 1987. Publication: Collins MD, Smida J, Stackebrandt E. Phylogenetic evidence for the transfer of Caseobacter polymorphus (Crombach) to the genus Corynebacterium. Int. J. Syst. Bacteriol. 1989; 39:7-9. 🇬🇧
  • ⏲ According to Collins et al. (1989), this species is a later heterotypic synonym of Arthrobacter variabilis Müller 1961 (Approved Lists 1980). Publication: Collins MD, Smida J, Stackebrandt E. Phylogenetic evidence for the transfer of Caseobacter polymorphus (Crombach) to the genus Corynebacterium. Int. J. Syst. Bacteriol. 1989; 39:7-9. 🇬🇧
  • ⏲ According to Collins et al. (1989), this species is a later heterotypic synonym of Corynebacterium variabilis (Müller 1961) Collins 1987. Publication: Collins MD, Smida J, Stackebrandt E. Phylogenetic evidence for the transfer of Caseobacter polymorphus (Crombach) to the genus Corynebacterium. Int. J. Syst. Bacteriol. 1989; 39:7-9. 🇬🇧
  • ❗ Caseobacter polymorphus 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 Caseobacter.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — 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 4 times in PubMed until 2026-06-11.

Parent taxon: Caseobacter Crombach 1978 (Approved Lists 1980)

Assigned by: Crombach WHJ. Caseobacter polymorphus gen. nov., sp. nov., a coryne-form bacterium from cheese. International Journal of Systematic Bacteriology 1978; 28:354-366.

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Record number: 774493