Species Thiofilum flexile

Name: Thiofilum flexile (Aruga et al. 2002) Boden and Scott 2018

Category, proposed as: species, comb. nov.

Basonym: Thiothrix flexilis Aruga et al. 2002

Etymology: fle’xi.le. L. neut. adj. flexile, flexile, pliable

Pronunciation (Latin), gender: t^hi-o-FI-lum FLE-xi-le, neuter

Type strain: DSM 14609; EJ2M-B; JCM 11135

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB042545 Analyse FASTA

Valid publication: Boden R, Scott KM. Evaluation of the genus Thiothrix Winogradsky 1888 (Approved Lists 1980) emend. Aruga et al. 2002: reclassification of Thiothrix disciformis to Thiolinea disciformis gen. nov., comb. nov., and of Thiothrix flexilis to Thiofilum flexile gen. nov., comb nov., with emended description of Thiothrix. Int J Syst Evol Microbiol 2018; 68:2226-2239. 🇬🇧

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 68, part 7 of the IJSEM. Int J Syst Evol Microbiol 2018; 68:3077-3079.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    Thiothrix flexilis Aruga et al. 2002	homotypic synonym, validly published under the ICNP

• Notes:
  • 🥇 Nomenclatural type of the genus Thiofilum Boden and Scott 2018. Publication: Boden R, Scott KM. Evaluation of the genus Thiothrix Winogradsky 1888 (Approved Lists 1980) emend. Aruga et al. 2002: reclassification of Thiothrix disciformis to Thiolinea disciformis gen. nov., comb. nov., and of Thiothrix flexilis to Thiofilum flexile gen. nov., comb nov., with emended description of Thiothrix. Int J Syst Evol Microbiol 2018; 68:2226-2239. 🇬🇧
  • 😷 The risk group for Germany has been imported on 2026-08-13. 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 1 time in PubMed until 2026-06-11.
  • 🧍 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: Thiofilum Boden and Scott 2018

Assigned by: Boden R, Scott KM. Evaluation of the genus Thiothrix Winogradsky 1888 (Approved Lists 1980) emend. Aruga et al. 2002: reclassification of Thiothrix disciformis to Thiolinea disciformis gen. nov., comb. nov., and of Thiothrix flexilis to Thiofilum flexile gen. nov., comb nov., with emended description of Thiothrix. Int J Syst Evol Microbiol 2018; 68:2226-2239. 🇬🇧

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Record number: 798540