Name: Rhodobacter ovatus Srinivas et al. 2008

Category: Species

Proposed as: sp. nov.

Etymology: o.va’tus. L. masc. adj. ovatus, egg-shaped, ovate

Pronunciation (Latin), gender: r^ho-do-BAK-ter o-WA-tus, masculine

Type strain: CCUG 55049; JA234; JCM 14779

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AM690348 Analyse FASTA

Valid publication: Srinivas TN, Anil Kumar P, Sasikala Ch, Sproer C, Ramana ChV. Rhodobacter ovatus sp. nov., a phototrophic alphaproteobacterium isolated from a polluted pond. Int J Syst Evol Microbiol 2008; 58:1379-1383. 🇮🇳

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 (and not recommended for medical use)

Correct name: Cereibacter ovatus (Srinivas et al. 2008) Hördt et al. 2020

Risk group: 1

• Synonyms:

  • Name	Kind
    Luteovulum ovatum (Srinivas et al. 2008) Suresh et al. 2020	homotypic synonym, validly published under the ICNP
    "Luteovulum ovatum" (Srinivas et al. 2008) Suresh et al. 2019	homotypic synonym, not validly published
    Cereibacter ovatus (Srinivas et al. 2008) Hördt et al. 2020	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Rhodobacter ovatus 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 Rhodobacter.
  • 😷 The risk group for Germany has been imported on 2026-08-13. 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 3 times in PubMed until 2026-06-11.
  • 🙅 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 pathogenicity of other species in the genus.
  • 🧍 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: Rhodobacter Imhoff et al. 1984

Assigned by: Srinivas TN, Anil Kumar P, Sasikala Ch, Sproer C, Ramana ChV. Rhodobacter ovatus sp. nov., a phototrophic alphaproteobacterium isolated from a polluted pond. Int J Syst Evol Microbiol 2008; 58:1379-1383. 🇮🇳

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Record number: 787393