Name: Pseudobutyrivibrio xylanivorans Kopecný et al. 2003

Category: Species

Proposed as: sp. nov.

Etymology: xy.la.ni’vo.rans. N.L. neut. adj. xylanum, xylan; L. pres. part. vorans, devouring, digesting; N.L. masc. part. adj. xylanivorans, xylan-digesting

Pronunciation, gender: xy-la-NI-wo-rans, masculine

Type strain: ATCC BAA-455; DSM 14809; Mz 5

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ428548 Analyse FASTA

Valid publication: Kopecny J, Zorec M, Mrazek J, Kobayashi Y, Marinsek-Logar R. Butyrivibrio hungatei sp. nov. and Pseudobutyrivibrio xylanivorans sp. nov., butyrate-producing bacteria from the rumen. Int J Syst Evol Microbiol 2003; 53:201-209.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 53, part 1 of the IJSEM. Int J Syst Evol Microbiol 2003; 53:629-630.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.16840 (N = 71).
  • 😷 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 13 times in PubMed until 2025-06-04.

Parent taxon: Pseudobutyrivibrio van Gylswyk et al. 1996

Assigned by: Kopecny J, Zorec M, Mrazek J, Kobayashi Y, Marinsek-Logar R. Butyrivibrio hungatei sp. nov. and Pseudobutyrivibrio xylanivorans sp. nov., butyrate-producing bacteria from the rumen. Int J Syst Evol Microbiol 2003; 53:201-209.

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Record number: 779939