Name: Blastochloris viridis (Drews and Giesbrecht 1966) Hiraishi 1997

Category: Species

Proposed as: comb. nov.

Basonym: Rhodopseudomonas viridis Drews and Giesbrecht 1966 (Approved Lists 1980)

Etymology: vi’ri.dis. L. fem. adj. viridis, green

Pronunciation (Latin), gender: blas-to-K^HLO-ris WI-ri-dis, feminine

Type strain: ATCC 19567; CCUG 30818; CCUG 7830; Dreisam; DSM 133; G. Drews F; HAMBI 1089; LMG 4321; NBRC 102659

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AF084495 Analyse FASTA

Valid publication: Hiraishi A. Transfer of the bacteriochlorophyll b-containing phototrophic bacteria Rhodopseudomonas viridis and Rhodopseudomonas sulfoviridis to the genus Blastochloris gen. nov. Int J Syst Bacteriol 1997; 47:217-219. 🇯🇵

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 47, part 1 of the IJSB. Int J Syst Bacteriol 1997; 47:603.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    Rhodopseudomonas viridis Drews and Giesbrecht 1966 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Emendations:
  • Hördt et al. 2020 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. 🇩🇪 Oren A, Garrity GM. List of changes in taxonomic opinion no. 32. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2020; 70:4061-4090.

• Notes:
  • 🥇 Nomenclatural type of the genus Blastochloris Hiraishi 1997. Publication: Hiraishi A. Transfer of the bacteriochlorophyll b-containing phototrophic bacteria Rhodopseudomonas viridis and Rhodopseudomonas sulfoviridis to the genus Blastochloris gen. nov. Int J Syst Bacteriol 1997; 47:217-219. 🇯🇵
  • 😷 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 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 89 times in PubMed until 2026-06-11.

Parent taxon: Blastochloris Hiraishi 1997

Assigned by: Hiraishi A. Transfer of the bacteriochlorophyll b-containing phototrophic bacteria Rhodopseudomonas viridis and Rhodopseudomonas sulfoviridis to the genus Blastochloris gen. nov. Int J Syst Bacteriol 1997; 47:217-219. 🇯🇵

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Record number: 774086