Name: Acidithiobacillus caldus (Hallberg and Lindström 1995) Kelly and Wood 2000

Category: Species

Proposed as: comb. nov.

Basonym: Thiobacillus caldus Hallberg and Lindström 1995

Etymology: cal’dus. L. masc. adj. caldus, hot

Gender: masculine

Type strain: ATCC 51756; DSM 8584; KU

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: MN218417 Analyse FASTA

Valid publication: Kelly DP, Wood AP. Reclassification of some species of Thiobacillus to the newly designated genera Acidithiobacillus gen. nov., Halothiobacillus gen. nov. and Thermithiobacillus gen. nov. Int J Syst Evol Microbiol 2000; 50:511-516.

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 50, part 2 of the IJSEM. Int J Syst Evol Microbiol 2000; 50:951-953.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    Thiobacillus caldus Hallberg and Lindström 1995	homotypic synonym, validly published under the ICNP
    "Fervidacidithiobacillus caldus" (Hallberg and Lindström 1995) Moya-Beltrán et al. 2021	homotypic synonym, not validly published

• Notes:
  • 📧 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 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 132 times in PubMed until 2024-03-27.

Parent taxon: Acidithiobacillus Kelly and Wood 2000

Assigned by: Kelly DP, Wood AP. Reclassification of some species of Thiobacillus to the newly designated genera Acidithiobacillus gen. nov., Halothiobacillus gen. nov. and Thermithiobacillus gen. nov. Int J Syst Evol Microbiol 2000; 50:511-516.

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Record number: 772586