Species Bacillus clausii

Name: Bacillus clausii Nielsen et al. 1995

Category: Species

Proposed as: sp. nov.

Etymology: clau’si.i. N.L. gen. masc. n. clausii, of Claus, named after the German bacteriologist Dieter Claus

Pronunciation, gender: KLA͡U-si-i, masculine

Type strain: ATCC 700160; CCUG 47262; CIP 104718; DSM 8716; LMG 17945; NCIB 10309; NCIMB 10309; PN-23

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: X76440 Analyse FASTA

Effective publication: Nielsen P, Fritze D, Priest FG. Phenetic diversity of alkaliphilic Bacillus strains: proposal for nine new species. Microbiology 1995; 141:1745-1761.

IJSEM list: Anonymous. Validation list no. 55. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1995; 45:879-880.

Nomenclatural status: validly published under the ICNP

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

Correct name: Shouchella clausii (Nielsen et al. 1995) Joshi et al. 2022

Risk group: 1

Synonyms:

Name	Kind
Shouchella clausii (Nielsen et al. 1995) Joshi et al. 2022	homotypic synonym, validly published under the ICNP
Alkalihalobacillus rhizosphaerae (Madhaiyan et al. 2013) Patel and Gupta 2020	heterotypic synonym, validly published under the ICNP
Bacillus rhizosphaerae Madhaiyan et al. 2013	heterotypic synonym, validly published under the ICNP
Shouchella rhizosphaerae (Madhaiyan et al. 2013) Joshi et al. 2022	heterotypic synonym, validly published under the ICNP
Alkalihalobacillus clausii (Nielsen et al. 1995) Patel and Gupta 2020	homotypic synonym, validly published under the ICNP

Emendations:
- Liu et al. 2019 Liu GH, Narsing Rao MP, Dong ZY, Wang JP, Che JM, Chen QQ, Sengonca C, Liu B, Li WJ. Genome-based reclassification of Bacillus plakortidis Borchert et al. 2007 and Bacillus lehensis Ghosh et al. 2007 as a later heterotypic synonym of Bacillus oshimensis Yumoto et al. 2005; Bacillus rhizosphaerae Madhaiyan et al. 2011 as a later heterotypic synonym of Bacillus clausii Nielsen et al. 1995. Antonie Van Leeuwenhoek 2019; 112:1725-1730. Oren A, Garrity GM. List of changes in taxonomic opinion no. 32. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2020; 70:4061-4090.
  Notes:
  - 🫂 Emendation accompanied by a proposal regarding the synonymy of the species.

Notes:
- ⏰ According to Liu et al. (2019), this species is an earlier heterotypic synonym of Alkalihalobacillus rhizosphaerae (Madhaiyan et al. 2013) Patel and Gupta 2020. Publication: Liu GH, Narsing Rao MP, Dong ZY, Wang JP, Che JM, Chen QQ, Sengonca C, Liu B, Li WJ. Genome-based reclassification of Bacillus plakortidis Borchert et al. 2007 and Bacillus lehensis Ghosh et al. 2007 as a later heterotypic synonym of Bacillus oshimensis Yumoto et al. 2005; Bacillus rhizosphaerae Madhaiyan et al. 2011 as a later heterotypic synonym of Bacillus clausii Nielsen et al. 1995. Antonie Van Leeuwenhoek 2019; 112:1725-1730.
- ⏰ According to Liu et al. (2019), this species is an earlier heterotypic synonym of Bacillus rhizosphaerae Madhaiyan et al. 2013. Publication: Liu GH, Narsing Rao MP, Dong ZY, Wang JP, Che JM, Chen QQ, Sengonca C, Liu B, Li WJ. Genome-based reclassification of Bacillus plakortidis Borchert et al. 2007 and Bacillus lehensis Ghosh et al. 2007 as a later heterotypic synonym of Bacillus oshimensis Yumoto et al. 2005; Bacillus rhizosphaerae Madhaiyan et al. 2011 as a later heterotypic synonym of Bacillus clausii Nielsen et al. 1995. Antonie Van Leeuwenhoek 2019; 112:1725-1730.
- ⏰ According to Liu et al. (2019), this species is an earlier heterotypic synonym of Shouchella rhizosphaerae (Madhaiyan et al. 2013) Joshi et al. 2022. Publication: Liu GH, Narsing Rao MP, Dong ZY, Wang JP, Che JM, Chen QQ, Sengonca C, Liu B, Li WJ. Genome-based reclassification of Bacillus plakortidis Borchert et al. 2007 and Bacillus lehensis Ghosh et al. 2007 as a later heterotypic synonym of Bacillus oshimensis Yumoto et al. 2005; Bacillus rhizosphaerae Madhaiyan et al. 2011 as a later heterotypic synonym of Bacillus clausii Nielsen et al. 1995. Antonie Van Leeuwenhoek 2019; 112:1725-1730.
- 🏢 Synonymy of this taxon was mentioned in an IJSEM list. Publication: Oren A, Garrity GM. List of changes in taxonomic opinion no. 32. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2020; 70:4061-4090.
- ❗ Bacillus clausii is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) 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 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 237 times in PubMed until 2025-06-04.
- 🙅 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 species. The name is on LoRN because of the recorded risk group of other species in the genus.

Parent taxon: Bacillus Cohn 1872 (Approved Lists 1980)

Assigned by: Nielsen P, Fritze D, Priest FG. Phenetic diversity of alkaliphilic Bacillus strains: proposal for nine new species. Microbiology 1995; 141:1745-1761.

Linking: To permanently link to this page, use https://lpsn.dsmz.de/species/bacillus-clausiiLink copied to clipboard

Record number: 773678

This LPSN page was printed on 2025-11-18 18:48:32

Subscribe to our newsletter

Species Bacillus clausii