Name: Ochrobactrum rhizosphaerae Kämpfer et al. 2008

Category: Species

Proposed as: sp. nov.

Etymology: rhi.zo.sphae’rae. Gr. fem. n. rhiza, root; Gr. fem. n. sphaîra (gen. sphaîras), ball, any globe, sphere; N.L. gen. fem. n. rhizosphaerae, of the rhizosphere

Gender: neuter

Type strain: CCM 7493; CCUG 55411; DSM 19824; PR17

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: MT760146 Analyse FASTA

Valid publication: Kampfer P, Sessitsch A, Schloter M, Huber B, Busse HJ, Scholz HC. Ochrobactrum rhizosphaerae sp. nov. and Ochrobactrum thiophenivorans sp. nov., isolated from the environment. Int J Syst Evol Microbiol 2008; 58:1426-1431.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 58, part 6 of the IJSEM. Int J Syst Evol Microbiol 2008; 58:1995-1996.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Brucella rhizosphaerae (Kämpfer et al. 2008) Hördt et al. 2020

Risk group: 1

• Synonyms:

  • Name	Kind
    Brucella rhizosphaerae (Kämpfer et al. 2008) Hördt et al. 2020	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Ochrobactrum rhizosphaerae 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.
  • 🎓 Name mentioned 9 times in PubMed until 2024-03-28.
  • 🧍 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: Kampfer P, Sessitsch A, Schloter M, Huber B, Busse HJ, Scholz HC. Ochrobactrum rhizosphaerae sp. nov. and Ochrobactrum thiophenivorans sp. nov., isolated from the environment. Int J Syst Evol Microbiol 2008; 58:1426-1431.

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Record number: 787385