Species Bacillus malacitensis

Name: Bacillus malacitensis Ruiz-García et al. 2005

Category: Species

Proposed as: sp. nov.

Etymology: ma.la.cit.en’sis. L. masc. adj. malacitensis, pertaining to Flavia Malacita, the Roman name for Málaga in southern Spain

Gender: masculine

Type strain: CECT 5687; CR-95; LMG 22477

Conduct genome-based taxonomy at

16S rRNA gene: DQ993673 Analyse FASTA

Valid publication: Ruiz-Garcia C, Quesada E, Martinez-Checa F, Llamas I, Urdaci MC, Bejar V. Bacillus axarquiensis sp. nov. and Bacillus malacitensis sp. nov., isolated from river-mouth sediments in southern Spain. Int J Syst Evol Microbiol 2005; 55:1279-1285.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 55, part 3 of the IJSEM. Int J Syst Evol Microbiol 2005; 55:1747-1749.

Nomenclatural status: validly published under the ICNP

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

Correct name: Bacillus halotolerans (Delaporte and Sasson 1967) Tindall 2017

Risk group: 1

Synonyms:

Name	Kind
Bacillus axarquiensis Ruiz-García et al. 2005	heterotypic synonym, validly published under the ICNP
Bacillus halotolerans (Delaporte and Sasson 1967) Tindall 2017	heterotypic synonym, validly published under the ICNP
Brevibacterium halotolerans Delaporte and Sasson 1967 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP
"Bacillus halotolerans" (Delaporte and Sasson 1967) Ben-Gad and Gerchman 2017	heterotypic synonym, not validly published

Notes:
- ⏲ According to Dunlap et al. (2016), this species is a later heterotypic synonym of Bacillus axarquiensis Ruiz-García et al. 2005. Publication: Dunlap CA, Bowman MJ, Schisler DA, Rooney AP. Genome analysis shows Bacillus axarquiensis is not a later heterotypic synonym of Bacillus mojavensis; reclassification of Bacillus malacitensis and Brevibacterium halotolerans as heterotypic synonyms of Bacillus axarquiensis. Int J Syst Evol Microbiol 2016; 66:2438-2443.
- ⏲ According to Dunlap et al. (2016), this species is not a later heterotypic synonym of Bacillus mojavensis Roberts et al. 1994. Publication: Dunlap CA, Bowman MJ, Schisler DA, Rooney AP. Genome analysis shows Bacillus axarquiensis is not a later heterotypic synonym of Bacillus mojavensis; reclassification of Bacillus malacitensis and Brevibacterium halotolerans as heterotypic synonyms of Bacillus axarquiensis. Int J Syst Evol Microbiol 2016; 66:2438-2443.
- ⏲ According to Tindall (2017), this species is a later heterotypic synonym of "Bacillus halotolerans" (Delaporte and Sasson 1967) Ben-Gad and Gerchman 2017. Publication: Tindall BJ. The consequences of Bacillus axarquiensis Ruiz-Garcia et al. 2005, Bacillus malacitensis Ruiz-Garcia et al. 2005 and Brevibacterium halotolerans Delaporte and Sasson 1967 (Approved Lists 1980) being treated as heterotypic synonyms. Int J Syst Evol Microbiol 2017; 67:175-176.
- ⏲ According to Tindall (2017), this species is a later heterotypic synonym of Brevibacterium halotolerans Delaporte and Sasson 1967 (Approved Lists 1980). Publication: Tindall BJ. The consequences of Bacillus axarquiensis Ruiz-Garcia et al. 2005, Bacillus malacitensis Ruiz-Garcia et al. 2005 and Brevibacterium halotolerans Delaporte and Sasson 1967 (Approved Lists 1980) being treated as heterotypic synonyms. Int J Syst Evol Microbiol 2017; 67:175-176.
- ⏲ According to Tindall (2017), this species is a later heterotypic synonym of Bacillus halotolerans (Delaporte and Sasson 1967) Tindall 2017. Publication: Tindall BJ. The consequences of Bacillus axarquiensis Ruiz-Garcia et al. 2005, Bacillus malacitensis Ruiz-Garcia et al. 2005 and Brevibacterium halotolerans Delaporte and Sasson 1967 (Approved Lists 1980) being treated as heterotypic synonyms. Int J Syst Evol Microbiol 2017; 67:175-176.
- ⏲ According to Wang et al. (2007), this species is a later heterotypic synonym of Bacillus mojavensis Roberts et al. 1994. Publication: Wang LT, Lee FL, Tai CJ, Yokota A, Kuo HP. Reclassification of Bacillus axarquiensis Ruiz-Garcia et al. 2005 and Bacillus malacitensis Ruiz-Garcia et al. 2005 as later heterotypic synonyms of Bacillus mojavensis Roberts et al. 1994. Int J Syst Evol Microbiol 2007; 57:1663-1667.
- ❗ Bacillus malacitensis 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 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 7 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: Ruiz-Garcia C, Quesada E, Martinez-Checa F, Llamas I, Urdaci MC, Bejar V. Bacillus axarquiensis sp. nov. and Bacillus malacitensis sp. nov., isolated from river-mouth sediments in southern Spain. Int J Syst Evol Microbiol 2005; 55:1279-1285.

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Record number: 783426

This LPSN page was printed on 2025-06-23 18:50:59

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Species Bacillus malacitensis