Name: Rhodobium orientis Hiraishi et al. 1995

Category: Species

Proposed as: sp. nov.

Etymology: o.ri.en’tis. L. gen. masc. n. orientis, of the orient

Pronunciation, gender: o-ri-EN-tis, neuter

Type strain: ATCC 51972; DSM 11290; JCM 9337; MB312

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: D30792 Analyse FASTA

Valid publication: Hiraishi A, Urata K, Satoh T. A new genus of marine budding phototrophic bacteria, Rhodobium gen. nov., which includes Rhodobium orientis sp. nov. and Rhodobium marinum comb. nov. Int J Syst Bacteriol 1995; 45:226-234.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 45, part 2 of the IJSB. Int J Syst Bacteriol 1995; 45:621.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Emendations:
  • Urdiain et al. 2008 Urdiain M, Lopez-Lopez A, Gonzalo C, Busse HJ, Langer S, Kampfer P, Rossello-Mora R. Reclassification of Rhodobium marinum and Rhodobium pfennigii as Afifella marina gen. nov. comb. nov. and Afifella pfennigii comb. nov., a new genus of photoheterotrophic Alphaproteobacteria and emended descriptions of Rhodobium, Rhodobium orientis and Rhodobium gokarnense. Syst Appl Microbiol 2008; 31:339-351. Euzeby JP. List of changes in taxonomic opinion no. 9. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2009; 59:5-6.

• Notes:
  • 🥇 Nomenclatural type of the genus Rhodobium Hiraishi et al. 1995. Publication: Hiraishi A, Urata K, Satoh T. A new genus of marine budding phototrophic bacteria, Rhodobium gen. nov., which includes Rhodobium orientis sp. nov. and Rhodobium marinum comb. nov. Int J Syst Bacteriol 1995; 45:226-234.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — 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 5 times in PubMed until 2025-06-04.
  • 🧍 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: Rhodobium Hiraishi et al. 1995

Assigned by: Hiraishi A, Urata K, Satoh T. A new genus of marine budding phototrophic bacteria, Rhodobium gen. nov., which includes Rhodobium orientis sp. nov. and Rhodobium marinum comb. nov. Int J Syst Bacteriol 1995; 45:226-234.

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Record number: 780432