Name: Gallibacterium trehalosifermentans Bisgaard et al. 2009

Category: Species

Proposed as: sp. nov.

Etymology: tre.ha.lo.si.fer.men’tans. N.L. neut. n. trehalosum, trehalose; L. v. fermento, to ferment; N.L. neut. part. adj. trehalosifermentans, trehalose-fermenting

Pronunciation (Latin), gender: gal-li-bak-TE-ri-um tre-ha-lo-si-fer-MEN-tans, neuter

Type strain: 52/S3/90; CCM 7539; CCUG 55631

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: EU339199 Analyse FASTA

Valid publication: Bisgaard M, Korczak BM, Busse HJ, Kuhnert P, Bojesen AM, Christensen H. Classification of the taxon 2 and taxon 3 complex of Bisgaard within Gallibacterium and description of Gallibacterium melopsittaci sp. nov., Gallibacterium trehalosifermentans sp. nov. and Gallibacterium salpingitidis sp. nov. Int J Syst Evol Microbiol 2009; 59:735-744. 🇩🇰

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 59, part 4 of the IJSEM. Int J Syst Evol Microbiol 2009; 59:1557-1558.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

Risk group: 2

• Notes:
  • 😷 The risk group for Germany has been imported on 2026-08-13. 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 1 time in PubMed until 2026-06-11.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded risk group of the species itself.
  • 🧍 Gallibacterium trehalosifermentans Bisgaard et al. 2009 (strain 52/S3/90) was previously known as taxon 2/3 of Bisgaard. Publication: Bisgaard M. Isolation and characterization of some previously unreported taxa from poultry with phenotypical characters related to Actinobacillus-an Pasteurella species. Acta Pathol Microbiol Immunol Scand B 1982; 90:59-67.

Parent taxon: Gallibacterium Christensen et al. 2003

Assigned by: Bisgaard M, Korczak BM, Busse HJ, Kuhnert P, Bojesen AM, Christensen H. Classification of the taxon 2 and taxon 3 complex of Bisgaard within Gallibacterium and description of Gallibacterium melopsittaci sp. nov., Gallibacterium trehalosifermentans sp. nov. and Gallibacterium salpingitidis sp. nov. Int J Syst Evol Microbiol 2009; 59:735-744. 🇩🇰

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Record number: 787783