Species ***Bacillus* *mycoides***

Name: Bacillus mycoides Flügge 1886 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: my.co.i’des. Gr. masc. n. mykês (gen. mykêtos), mushroom or other fungus; L. adj. suff. -oides, ressembling, similar; from Gr. neut. adj. suff. -eides, resembling, similar; from Gr. neut. n. eîdos, that which is seen, form, shape, figure; N.L. masc. adj. mycoides, fungus-like

Pronunciation, gender: my-ko-I-des, masculine

Type strain: ATCC 6462; CCUG 26678; CIP 103472; DSM 2048; HAMBI 1827; LMG 7128; NBIMCC 3484; NBRC 101228; NCTC 12974; NRRL B-14799; NRRL B-14811; NRRL NRS-273

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB021192 Analyse FASTA

Effective publication: Flügge C. Die Mikroorganismen, Auflage 2. F.C.W. Vogel, Leipzig, 1886.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

Risk group: 2

Synonyms:

Name	Kind
Bacillus weihenstephanensis Lechner et al. 1998	heterotypic synonym, validly published under the ICNP
Bacillus hominis Tohya et al. 2021	heterotypic synonym, validly published under the ICNP

Emendations:
- Liu et al. 2018 Liu Y, Lai Q, Shao Z. Genome analysis-based reclassification of Bacillus weihenstephanensis as a later heterotypic synonym of Bacillus mycoides. Int J Syst Evol Microbiol 2018; 68:106-112. Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 68, part 1 of the IJSEM. Int J Syst Evol Microbiol 2018; 68:979-981.
  Notes:
  - 🫂 Emendation accompanied by a proposal regarding the synonymy of the species.

Notes:
- ⏰ According to Committee (2025), this species is an earlier heterotypic synonym of Bacillus hominis Tohya et al. 2021. Publication: Committee AH. Mitigating changes in prokaryotic nomenclature: Definitions and Workflow. Zenodo 2025; 2025:15320329.
- ⏰ According to Liu et al. (2018), this species is an earlier heterotypic synonym of Bacillus weihenstephanensis Lechner et al. 1998. Publication: Liu Y, Lai Q, Shao Z. Genome analysis-based reclassification of Bacillus weihenstephanensis as a later heterotypic synonym of Bacillus mycoides. Int J Syst Evol Microbiol 2018; 68:106-112.
- 🏢 Synonymy of this taxon was mentioned in an IJSEM list. Publication: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 68, part 1 of the IJSEM. Int J Syst Evol Microbiol 2018; 68:979-981.
- 🧬 The phylogenomic assignment score of this taxon is -0.05621 (N = 93).
- 😷 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 = 2. — 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 273 times in PubMed until 2025-06-04.
- 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded risk group of the species itself.
- ⚠ This name is retained (and recommended for medical use. This will change in the future) instead of Bacillus hominis Tohya et al. 2021. Publication: Tohya M, Hishinuma T, Watanabe S, Shimojima M, Ogawa M, Tada T, Kirikae T. Three novel species of the Bacillus cereus group isolated from clinical samples in Japan. Int J Syst Evol Microbiol 2021; 71:4993. Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 71, part 9 of the IJSEM. Int J Syst Evol Microbiol 2021; 71:5130.
- 🧍 According to Bartlett et al. (2022), this species is an established human pathogen. Publication: Bartlett A, Padfield D, Lear L, Bendall R, Vos M. A comprehensive list of bacterial pathogens infecting humans. Microbiology (Reading) 2022; 168:0.
- 🧍 A genome-scale phylogenetic analysis of the Bacillus cereus group was conducted by Liu et al. (2015). Publication: Liu Y, Lai Q, Goker M, Meier-Kolthoff JP, Wang M, Sun Y, Wang L, Shao Z. Genomic insights into the taxonomic status of the Bacillus cereus group. Sci Rep 2015; 5:14082.

Parent taxon: Bacillus Cohn 1872 (Approved Lists 1980)

Assigned by: Flügge C. Die Mikroorganismen, Auflage 2. F.C.W. Vogel, Leipzig, 1886.

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Record number: 773780

This LPSN page was printed on 2025-11-10 01:03:52

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Species Bacillus mycoides

Species ***Bacillus* *mycoides***