Name: Thiobacillus thioparus Beijerinck 1904 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: thi.o.pa.rus. Gr. neut. n. theîon, sulfur; N.L. masc. adj. parus; from L. v. paro, to furnish, provide; N.L. masc. adj. thioparus, sulfur producing

Gender: masculine

Type strain: ATCC 8158; CIP 104484; DSM 505; JCM 3859; NBRC 103402; Starkey

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: HM173629 Analyse FASTA

Effective publication: Beijerinck MW. Phénomènes de réduction produits par les microbes. Archives Néerlandaises des Sciences Exactes et Naturelles (Section 2) 1904; 9:131-157.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 🥇 Nomenclatural type of the genus Thiobacillus Beijerinck 1904 (Approved Lists 1980). Publication: Beijerinck MW. Phénomènes de réduction produits par les microbes. Archives Néerlandaises des Sciences Exactes et Naturelles (Section 2) 1904; 9:131-157.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — 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 128 times in PubMed until 2025-06-04.
  • 🧍 See also Boden et al. (2012). Publication: Boden R, Cleland D, Green PN, Katayama Y, Uchino Y, Murrell JC, Kelly DP. Phylogenetic assessment of culture collection strains of Thiobacillus thioparus, and definitive 16S rRNA gene sequences for T. thioparus, T. denitrificans, and Halothiobacillus neapolitanus. Arch Microbiol 2012; 194:187-195.
  • 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project. Publication: Mukherjee S, Seshadri R, Varghese NJ, Eloe-Fadrosh EA, Meier-Kolthoff JP, Goker M, Coates RC, Hadjithomas M, Pavlopoulos GA, Paez-Espino D, et al. 1,003 reference genomes of bacterial and archaeal isolates expand coverage of the tree of life. Nat Biotechnol 2017; 35:676-683.

Parent taxon: Thiobacillus Beijerinck 1904 (Approved Lists 1980)

Assigned by: Beijerinck MW. Phénomènes de réduction produits par les microbes. Archives Néerlandaises des Sciences Exactes et Naturelles (Section 2) 1904; 9:131-157.

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Record number: 782722