Name: Xylanibacter oryzae Ueki et al. 2006

Category: Species

Proposed as: sp. nov.

Etymology: o.ry’zae. L. fem. n. oryza, rice and the genus name of rice; L. gen. fem. n. oryzae, from/of rice or rice plants, referring to rice-plant residue from which the strain was isolated

Gender: masculine

Type strain: DSM 17970; JCM 13648; KB 3

Conduct genome-based taxonomy at

16S rRNA gene: AB588018 Analyse FASTA

Valid publication: Ueki A, Akasaka H, Suzuki D, Hattori S, Ueki K. Xylanibacter oryzae gen. nov., sp. nov., a novel strictly anaerobic, Gram-negative, xylanolytic bacterium isolated from rice-plant residue in flooded rice-field soil in Japan. Int J Syst Evol Microbiol 2006; 56:2215-2221.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 56, part 9 of the IJSEM. Int J Syst Evol Microbiol 2006; 56:2725-2726.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym (and not recommended for medical use)

Correct name: Prevotella oryzae (Ueki et al. 2006) Sakamoto and Ohkuma 2012

Risk group: 1

• Synonyms:

  • Name	Kind
    Prevotella oryzae (Ueki et al. 2006) Sakamoto and Ohkuma 2012	homotypic synonym, validly published under the ICNP
    "Xylanibacter oryzae" Hitch et al. 2022	homotypic synonym, not validly published

• Notes:
  • 🥇 Nomenclatural type of the genus Xylanibacter Ueki et al. 2006. Publication: Ueki A, Akasaka H, Suzuki D, Hattori S, Ueki K. Xylanibacter oryzae gen. nov., sp. nov., a novel strictly anaerobic, Gram-negative, xylanolytic bacterium isolated from rice-plant residue in flooded rice-field soil in Japan. Int J Syst Evol Microbiol 2006; 56:2215-2221.
  • ❗ Xylanibacter oryzae 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 Xylanibacter.
  • 😷 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 2 times in PubMed until 2024-03-27.
  • 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of the name to be applied to this species. The name is on LoRN because of the recorded risk group of the genus.

Parent taxon: Xylanibacter Ueki et al. 2006

Assigned by: Ueki A, Akasaka H, Suzuki D, Hattori S, Ueki K. Xylanibacter oryzae gen. nov., sp. nov., a novel strictly anaerobic, Gram-negative, xylanolytic bacterium isolated from rice-plant residue in flooded rice-field soil in Japan. Int J Syst Evol Microbiol 2006; 56:2215-2221.

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Record number: 785419