Name: Rhodothalassium salexigens (Drews 1982) Imhoff et al. 1998

Category: Species

Proposed as: comb. nov.

Basonym: Rhodospirillum salexigens Drews 1982

Etymology: sal.ex’i.gens. L. pres. part. exigens, requiring; N.L. part. adj. salexigens, salt-demanding

Gender: neuter

Type strain: ATCC 35888; DSM 2132; WS 68

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: M59070 Analyse FASTA

Valid publication: Imhoff JF, Petri R, Suling J. Reclassification of species of the spiral-shaped phototrophic purple non-sulfur bacteria of the alpha-Proteobacteria: description of the new genera Phaeospirillum gen. nov., Rhodovibrio gen. nov., Rhodothalassium gen. nov. and Roseospira gen. nov. as well as transfer of Rhodospirillum fulvum to Phaeospirillum fulvum comb. nov., of Rhodospirillum molischianum to Phaeospirillum molischianum comb. nov., of Rhodospirillum salinarum to Rhodovibrio salexigens. Int J Syst Bacteriol 1998; 48:793-798.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 48, part 3 of the IJSB. Int J Syst Bacteriol 1998; 48:1085-1087.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    Rhodospirillum salexigens Drews 1982	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 Rhodothalassium Imhoff et al. 1998. Publication: Imhoff JF, Petri R, Suling J. Reclassification of species of the spiral-shaped phototrophic purple non-sulfur bacteria of the alpha-Proteobacteria: description of the new genera Phaeospirillum gen. nov., Rhodovibrio gen. nov., Rhodothalassium gen. nov. and Roseospira gen. nov. as well as transfer of Rhodospirillum fulvum to Phaeospirillum fulvum comb. nov., of Rhodospirillum molischianum to Phaeospirillum molischianum comb. nov., of Rhodospirillum salinarum to Rhodovibrio salexigens. Int J Syst Bacteriol 1998; 48:793-798.
  • 📧 The e-mail address of the corresponding author given in the effective publication is not functional any more.
  • 😷 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 Germany has been imported on 2023-10-29. The full classification is: risk group = 1.
  • 🎓 Name mentioned 5 times in PubMed until 2024-03-27.

Parent taxon: Rhodothalassium Imhoff et al. 1998

Assigned by: Imhoff JF, Petri R, Suling J. Reclassification of species of the spiral-shaped phototrophic purple non-sulfur bacteria of the alpha-Proteobacteria: description of the new genera Phaeospirillum gen. nov., Rhodovibrio gen. nov., Rhodothalassium gen. nov. and Roseospira gen. nov. as well as transfer of Rhodospirillum fulvum to Phaeospirillum fulvum comb. nov., of Rhodospirillum molischianum to Phaeospirillum molischianum comb. nov., of Rhodospirillum salinarum to Rhodovibrio salexigens. Int J Syst Bacteriol 1998; 48:793-798.

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Record number: 780530