Name: Ochrobactrum intermedium Velasco et al. 1998

Category: Species

Proposed as: sp. nov.

Etymology: in.ter.me’di.um. L. neut. adj. intermedium, that is between, intermediate

Gender: neuter

Type strain: CCUG 24694; CIP 105838; CNS 2-75; DSM 17986; IFO 15820; LMG 3301; NBRC 15820; NCTC 12171

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB680967 Analyse FASTA

Valid publication: Velasco J, Romero C, Lopez-Goni I, Leiva J, Diaz R, Moriyon I. Evaluation of the relatedness of Brucella spp. and Ochrobactrum anthropi and description of Ochrobactrum intermedium sp. nov., a new species with a closer relationship to Brucella spp. Int J Syst Bacteriol 1998; 48:759-768.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 48, part 3 of the IJSB. Int J Syst Bacteriol 1998; 48:1085-1087.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Brucella intermedia (Velasco et al. 1998) Hördt et al. 2020

Risk group: 2

• Synonyms:

  • Name	Kind
    Brucella intermedia (Velasco et al. 1998) Hördt et al. 2020	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Ochrobactrum intermedium 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 Canada has been imported on 2024-02-27. The full classification is: risk group = 2, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 2". — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 2. — 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 102 times in PubMed until 2024-03-28.
  • 🪓 Organisms assigned to this species have previously been classified as Ochrobactrum anthropi Holmes et al. 1988. Publication: Holmes B, Popoff M, Kiredjian M, Kersters K. Ochrobactrum anthropi gen. nov., sp. nov. from human clinical specimens and previously known as group Vd. Int. J. Syst. Bacteriol. 1988; 38:406-416.
  • 🧍 According to Bartlett et al. (2022), this species is an established human pathogen. Publication: Bartlett A, Padfield D, Lear L, Bendall R, Vos M. A comprehensive list of bacterial pathogens infecting humans. Microbiology 2022; 168:0.
  • 🧍 The phylogenetic position of this species was determined in a genome-scale analysis by Hördt et al. (2020). Publication: Hordt A, Lopez MG, Meier-Kolthoff JP, Schleuning M, Weinhold LM, Tindall BJ, Gronow S, Kyrpides NC, Woyke T, Goker M. Analysis of 1,000+ Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria. Front Microbiol 2020; 11:468.

Parent taxon: Ochrobactrum Holmes et al. 1988

Assigned by: Velasco J, Romero C, Lopez-Goni I, Leiva J, Diaz R, Moriyon I. Evaluation of the relatedness of Brucella spp. and Ochrobactrum anthropi and description of Ochrobactrum intermedium sp. nov., a new species with a closer relationship to Brucella spp. Int J Syst Bacteriol 1998; 48:759-768.

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Record number: 778960