Name: Rhodoblastus acidophilus (Pfennig 1969) Imhoff 2001

Category: Species

Proposed as: comb. nov.

Basonym: Rhodopseudomonas acidophila Pfennig 1969 (Approved Lists 1980)

Etymology: a.ci.do’phi.lus. L. masc. adj. acidus, sour; L. neut. adj. acidum, acid; Gr. masc. adj. philos, loving; N.L. masc. adj. acidophilus, acid-loving

Gender: masculine

Type strain: ATCC 25092; CIP 103962; Crystal Lake; DSM 137; LMG 4304; Pfennig 7050

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: FR733696 Analyse FASTA

Valid publication: Imhoff JF. Transfer of Rhodopseudomonas acidophila to the new genus Rhodoblastus as Rhodoblastus acidophilus gen. nov., comb. nov. Int J Syst Evol Microbiol 2001; 51:1863-1866.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 51, part 5 of the IJSEM. Int J Syst Evol Microbiol 2001; 51:1947-1948.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    Rhodopseudomonas acidophila Pfennig 1969 (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 Rhodoblastus Imhoff 2001. Publication: Imhoff JF. Transfer of Rhodopseudomonas acidophila to the new genus Rhodoblastus as Rhodoblastus acidophilus gen. nov., comb. nov. Int J Syst Evol Microbiol 2001; 51:1863-1866.
  • 📧 The e-mail address of the corresponding author given in the effective publication is not functional any more.
  • 😷 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 24 times in PubMed until 2024-03-27.

Parent taxon: Rhodoblastus Imhoff 2001

Assigned by: Imhoff JF. Transfer of Rhodopseudomonas acidophila to the new genus Rhodoblastus as Rhodoblastus acidophilus gen. nov., comb. nov. Int J Syst Evol Microbiol 2001; 51:1863-1866.

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Record number: 780434