Name: Alkalibacillus filiformis Romano et al. 2005

Category: Species

Proposed as: sp. nov.

Etymology: fi.li.for’mis. L. neut. n. filum, a thread; L. masc./fem. adj. suff. -formis, -like, in the shape of; from L. fem. n. forma, figure, shape, appearance; N.L. masc. adj. filiformis, thread-shaped

Pronunciation (Latin), gender: … fi-li-FOR-mis, masculine

Type strain: 4AG; ATCC BAA-956; DSM 15448; JCM 13893

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ493661 Analyse FASTA

Valid publication: Romano I, Lama L, Nicolaus B, Gambacorta A, Giordano A. Alkalibacillus filiformis sp. nov., isolated from a mineral pool in Campania, Italy. Int J Syst Evol Microbiol 2005; 55:2395-2399. 🇮🇹

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 55, part 6 of the IJSEM. Int J Syst Evol Microbiol 2006; 56:319-321.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 2 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 2". — 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 3 times in PubMed until 2025-06-04.

Parent taxon: Alkalibacillus Jeon et al. 2005

Assigned by: Romano I, Lama L, Nicolaus B, Gambacorta A, Giordano A. Alkalibacillus filiformis sp. nov., isolated from a mineral pool in Campania, Italy. Int J Syst Evol Microbiol 2005; 55:2395-2399. 🇮🇹

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Record number: 773066