Name: Ochrobactrum quorumnocens Krzyzanowska et al. 2024

Category: Species

Proposed as: sp. nov.

Etymology: quo.rum’no.cens. N.L. neut. part. adj. quorumnocens, quorum quorum [probably better: multitudinisentiens]; L. pres. part. nocens; from L. v. noceo, incapacitating, referring to the fact that the type strain was initially studied for its ability to perform quorum quenching through inactivation of AHL signal molecules

Pronunciation (Latin), gender: … kwo-RUM-no-kens, neuter

Type strain: A44; LMG 30544; PCM 2957

Conduct genome-based taxonomy at

16S rRNA gene: MG835335 Analyse FASTA

Effective publication: Krzyzanowska DM, Maciag T, Ossowicki A, Rajewska M, Kaczynski Z, Czerwicka M, Rabalski L, Czaplewska P, Jafra S. Ochrobactrum quorumnocens sp. nov., a quorum quenching bacterium from the potato rhizosphere, and comparative genome analysis with related type strains. PLoS One 2019; 14:e0210874. 🇵🇱

IJSEM list: Oren A, Göker M. Validation list no. 217. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2024; 74:6275.

Nomenclatural status: validly published under the ICNP

Taxonomic status: orphaned species (and explicitly recommended for medical use)

• Notes:
  • ❗ Ochrobactrum quorumnocens 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 Ochrobactrum.
  • 🎓 Name mentioned 5 times in PubMed until 2025-06-10.
  • 🙆 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 genus.

Parent taxon: Ochrobactrum Holmes et al. 1988

Assigned by: Krzyzanowska DM, Maciag T, Ossowicki A, Rajewska M, Kaczynski Z, Czerwicka M, Rabalski L, Czaplewska P, Jafra S. Ochrobactrum quorumnocens sp. nov., a quorum quenching bacterium from the potato rhizosphere, and comparative genome analysis with related type strains. PLoS One 2019; 14:e0210874. 🇵🇱

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Record number: 49260