Name: Bacillus subtilis subsp. inaquosorum Rooney et al. 2009

Category: Subspecies

Proposed as: subsp. nov.

Etymology: in.a.quo.so’rum. L. masc. adj. inaquosus, poor of water; L. gen. neut. pl. n. inaquosorum, from (soils) poor of water (desert soils) from which this organism was isolated

Gender: masculine

Type strain: BCRC 17984; BGSC 3A28; DSM 22148; DV7-B-4; KCTC 13429; NRRL B-23052

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: KT989848 Analyse FASTA

Valid publication: Rooney AP, Price NP, Ehrhardt C, Swezey JL, Bannan JD. Phylogeny and molecular taxonomy of the Bacillus subtilis species complex and description of Bacillus subtilis subsp. inaquosorum subsp. nov. Int J Syst Evol Microbiol 2009; 59:2429-2436.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 59, part 10 of the IJSEM. Int J Syst Evol Microbiol 2010; 60:3-4.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym (and not recommended for medical use)

Correct name: Bacillus inaquosorum (Rooney et al. 2009) Dunlap et al. 2020

Risk group: 1

• Synonyms:

  • Name	Kind
    Bacillus inaquosorum (Rooney et al. 2009) Dunlap et al. 2020	homotypic synonym, validly published under the ICNP, distinct rank

• Notes:
  • ❗ Bacillus subtilis subsp. inaquosorum is the correct name instead if this subspecies is regarded as a separate subspecies (i.e., if its nomenclatural type is not assigned to another subspecies whose name is validly published, legitimate and not rejected and has priority) within a separate species Bacillus subtilis within a separate genus Bacillus.
  • 😷 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 Germany has been imported on 2023-10-29. The full classification is: risk group = 1, note = "+". — 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.
  • 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of the name to be applied to this subspecies. The name is on LoRN because of the recorded risk group of other species in the genus.
  • 🧍 See also Dunlap et al. (2016). Publication: Dunlap CA, Saunders LP, Schisler DA, Leathers TD, Naeem N, Cohan FM, Rooney AP. Bacillus nakamurai sp. nov., a black-pigment-producing strain. Int J Syst Evol Microbiol 2016; 66:2987-2991.
  • 🧍 See also Dunlap et al. (2020). Publication: Dunlap CA, Bowman MJ, Zeigler DR. Promotion of Bacillus subtilis subsp. inaquosorum, Bacillus subtilis subsp. spizizenii and Bacillus subtilis subsp. stercoris to species status. Antonie Van Leeuwenhoek 2020; 113:1-12.

Parent taxon: Bacillus subtilis (Ehrenberg 1835) Cohn 1872 (Approved Lists 1980)

Assigned by: Rooney AP, Price NP, Ehrhardt C, Swezey JL, Bannan JD. Phylogeny and molecular taxonomy of the Bacillus subtilis species complex and description of Bacillus subtilis subsp. inaquosorum subsp. nov. Int J Syst Evol Microbiol 2009; 59:2429-2436.

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Record number: 788115