Name: Thiothrix nivea (Rabenhorst 1865) Winogradsky 1888 (Approved Lists 1980)

Category: Species

Proposed as: comb. nov.

Basonym: "Beggiatoa nivea" Rabenhorst 1865

Etymology: ni’ve.a. L. fem. adj. nivea, snow-white

Pronunciation, gender: NI-we-a, feminine

Type strain: ATCC 35100; DSM 5205; JP2; no culture isolated originally

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AH001799 Analyse FASTA

Effective publication: Winogradsky S. Beiträge zur Morphologie und Physiologie der Bacterien. Heft I. Zur Morphologie und Physiologie der Schwefelbacterien. Arthur Felix, Leipzig, 1888.

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

• Synonyms:

  • Name	Kind
    "Beggiatoa nivea" Rabenhorst 1865	homotypic synonym, not validly published, basonym of name in Approved Lists

• Emendations:
  • Larkin and Shinabarger 1983 Larkin JM, Shinabarger DL. Characterization of Thiothrix nivea. Int. J. Syst. Bacteriol. 1983; 33:841-846.
    Notes:
    • 🧍 Larkin and Shinabarger 1983 propose a neotype strain in accordance with Rule 18f. — In the abstract of the paper by Larkin and Shinabarger 1983, the type strain is erroneously cited as designated as ATCC 31500.

• Notes:
  • 🥇 Nomenclatural type of the genus Thiothrix Winogradsky 1888 (Approved Lists 1980). Publication: Winogradsky S. Beiträge zur Morphologie und Physiologie der Bacterien. Heft I. Zur Morphologie und Physiologie der Schwefelbacterien. Arthur Felix, Leipzig, 1888.
  • 😷 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 16 times in PubMed until 2025-06-04.
  • 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project. Publication: Lapidus A, Nolan M, Lucas S, Glavina Del Rio T, Tice H, Cheng JF, Tapia R, Han C, Goodwin L, Pitluck S, et al. Genome sequence of the filamentous, gliding Thiothrix nivea neotype strain (JP2^T). Stand Genomic Sci 2011; 5:398-406.

Parent taxon: Thiothrix Winogradsky 1888 (Approved Lists 1980)

Assigned by: Winogradsky S. Beiträge zur Morphologie und Physiologie der Bacterien. Heft I. Zur Morphologie und Physiologie der Schwefelbacterien. Arthur Felix, Leipzig, 1888.

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Record number: 782776