Name: Acidicaldus organivorans corrig. Johnson et al. 2006

Category: Species

Proposed as: sp. nov.

Etymology: or.ga.ni’vo.rans. L. neut. n. organum, organic compound; L. pres. part. vorans, devouring; N.L. masc. part. adj. organivorans, devouring organic compounds

Pronunciation (Latin), gender: a-ki-di-KAL-dus or-ga-NI-wo-rans, masculine

Type strain: ATCC BAA-1105; DSM 16953; Y008

See detailed strain information at

16S rRNA gene: AY140238 Analyse FASTA

Effective publication: Johnson DB, Stallwood B, Kimura S, Hallberg KB. Isolation and characterization of Acidicaldus organivorus, gen. nov., sp. nov.: a novel sulfur-oxidizing, ferric iron-reducing thermo-acidophilic heterotrophic Proteobacterium. Arch Microbiol 2006; 185:212-221. 🇬🇧

IJSEM list: Euzeby JP. Validation list no. 110. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2006; 56:1459-1460.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    Acidicaldus organivorus Johnson et al. 2006	other spelling of name, inaccurate spelling

• Notes:
  • 🥇 Nomenclatural type of the genus Acidicaldus Johnson et al. 2006. Publication: Johnson DB, Stallwood B, Kimura S, Hallberg KB. Isolation and characterization of Acidicaldus organivorus, gen. nov., sp. nov.: a novel sulfur-oxidizing, ferric iron-reducing thermo-acidophilic heterotrophic Proteobacterium. Arch Microbiol 2006; 185:212-221. 🇬🇧
  • 😷 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 0 times in PubMed until 2026-06-11.
  • 🧍 The specific epithet, organivorus (sic), has been corrected on validation according to Rule 61. Publication: Euzeby JP. Validation list no. 110. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2006; 56:1459-1460.

Parent taxon: Acidicaldus Johnson et al. 2006

Assigned by: Johnson DB, Stallwood B, Kimura S, Hallberg KB. Isolation and characterization of Acidicaldus organivorus, gen. nov., sp. nov.: a novel sulfur-oxidizing, ferric iron-reducing thermo-acidophilic heterotrophic Proteobacterium. Arch Microbiol 2006; 185:212-221. 🇬🇧

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Record number: 785242