Name: Mannheimia varigena Angen et al. 1999

Category: Species

Proposed as: sp. nov.

Etymology: va.ri’ge.na. L. fem. adj. varia, varied; N.L. fem. adj. suff. -gena, orginating from; N.L. fem. adj. varigena, of different origin, referring to the isolation of strains of this species both from ruminants and from pigs

Gender: feminine

Type strain: 177; CCUG 38462; CIP 106064; DSM 19166

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AF053893 Analyse FASTA

Valid publication: Angen O, Mutters R, Caugant DA, Olsen JE, Bisgaard M. Taxonomic relationships of the [Pasteurella] haemolytica complex as evaluated by DNA-DNA hybridizations and 16S rRNA sequencing with proposal of Mannheimia haemolytica gen. nov., comb. nov., Mannheimia granulomatis comb. nov., Mannheimia glucosida sp. nov., Mannheimia ruminalis sp. nov. and Mannheimia varigena sp. nov. Int J Syst Bacteriol 1999; 49:67-86.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 49, part 1 of the IJSB. Int J Syst Bacteriol 1999; 49:343-344.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 2

• Notes:
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 1, note = "animal pathogen - biological class of risk animal: 2". — The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 2 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 2". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 2. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 2, note = "t". — 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 14 times in PubMed until 2024-03-27.

Parent taxon: Mannheimia Angen et al. 1999

Assigned by: Angen O, Mutters R, Caugant DA, Olsen JE, Bisgaard M. Taxonomic relationships of the [Pasteurella] haemolytica complex as evaluated by DNA-DNA hybridizations and 16S rRNA sequencing with proposal of Mannheimia haemolytica gen. nov., comb. nov., Mannheimia granulomatis comb. nov., Mannheimia glucosida sp. nov., Mannheimia ruminalis sp. nov. and Mannheimia varigena sp. nov. Int J Syst Bacteriol 1999; 49:67-86.

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Record number: 784177