Name: Ochrobactrum cytisi Zurdo-Piñeiro et al. 2007

Category: Species

Proposed as: sp. nov.

Etymology: cy’ti.si. L. masc. n. Cytisus, botanical genus name of the legume Cytisus scoparius; L. gen. masc. n. cytisi, of Cytisus, referring to the isolation source of the first strains, nodules of Cytisus scoparius

Pronunciation (Latin), gender: … KY-ti-si, neuter

Type strain: CECT 7172; DSM 19778; ESC 1; LMG 22713

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AY776289 Analyse FASTA

Valid publication: Zurdo-Pineiro JL, Rivas R, Trujillo ME, Vizcaino N, Carrasco JA, Chamber M, Palomares A, Mateos PF, Martinez-Molina E, Velazquez E. Ochrobactrum cytisi sp. nov., isolated from nodules of Cytisus scoparius in Spain. Int J Syst Evol Microbiol 2007; 57:784-788. 🇪🇸

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 57, part 4 of the IJSEM. Int J Syst Evol Microbiol 2007; 57:1374-1375.

Nomenclatural status: validly published under the ICNP

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

Correct name: Brucella cytisi (Zurdo-Piñeiro et al. 2007) Hördt et al. 2020

Risk group: 1

• Synonyms:

  • Name	Kind
    Brucella cytisi (Zurdo-Piñeiro et al. 2007) Hördt et al. 2020	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Ochrobactrum cytisi 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.
  • 😷 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 17 times in PubMed until 2025-06-04.
  • 🙅 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: Ochrobactrum Holmes et al. 1988

Assigned by: Zurdo-Pineiro JL, Rivas R, Trujillo ME, Vizcaino N, Carrasco JA, Chamber M, Palomares A, Mateos PF, Martinez-Molina E, Velazquez E. Ochrobactrum cytisi sp. nov., isolated from nodules of Cytisus scoparius in Spain. Int J Syst Evol Microbiol 2007; 57:784-788. 🇪🇸

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Record number: 786136