Name: Anoxybacillus caldiproteolyticus Coorevits et al. 2012

Category: Species

Proposed as: sp. nov.

Etymology: cal.di.pro.te.o.ly’ti.cus. L. masc. adj. caldus, hot; N.L. masc. adj. proteolyticus, proteolytic; N.L. masc. adj. caldiproteolyticus, hot and protein degrading

Pronunciation, gender: kal-di-pro-te-o-LY-ti-kus, masculine

Type strain: ATCC BAA-818; DSM 15730; LMG 26209; R-35652; SF03

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AY327448 Analyse FASTA

Valid publication: Coorevits A, Dinsdale AE, Halket G, Lebbe L, De Vos P, Van Landschoot A, Logan NA. Taxonomic revision of the genus Geobacillus: emendation of Geobacillus, G. stearothermophilus, G. jurassicus, G. toebii, G. thermodenitrificans and G. thermoglucosidans (nom. corrig., formerly 'thermoglucosidasius'); transfer of Bacillus thermantarcticus to the genus as G. thermantarcticus comb. nov.; proposal of Caldibacillus debilis gen. nov., comb. nov.; transfer of G. tepidamans to Anoxybacillus as A. tepidamans comb. nov.; and proposal of Anoxybacillus caldiproteolyticus sp. nov. Int J Syst Evol Microbiol 2012; 62:1470-1485.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 62, part 7 of the IJSEM. Int J Syst Evol Microbiol 2012; 62:2313-2314.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    Thermaerobacillus caldiproteolyticus (Coorevits et al. 2012) Patel et al. 2024	homotypic synonym, validly published under the ICNP
    "Geobacillus caldoproteolyticus" Chen et al. 2004	homotypic synonym, not validly published

• Notes:
  • 😷 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 18 times in PubMed until 2025-06-04.
  • 🧍 Anoxybacillus caldiproteolyticus Coorevits et al. 2012 was previously known as "Geobacillus caldoproteolyticus" Chen et al. 2004. Publication: Chen XG, Stabnikova O, Tay JH, Wang JY, Tay ST. Thermoactive extracellular proteases of Geobacillus caldoproteolyticus, sp. nov., from sewage sludge. Extremophiles 2004; 8:489-498.

Parent taxon: Anoxybacillus Pikuta et al. 2000

Assigned by: Coorevits A, Dinsdale AE, Halket G, Lebbe L, De Vos P, Van Landschoot A, Logan NA. Taxonomic revision of the genus Geobacillus: emendation of Geobacillus, G. stearothermophilus, G. jurassicus, G. toebii, G. thermodenitrificans and G. thermoglucosidans (nom. corrig., formerly 'thermoglucosidasius'); transfer of Bacillus thermantarcticus to the genus as G. thermantarcticus comb. nov.; proposal of Caldibacillus debilis gen. nov., comb. nov.; transfer of G. tepidamans to Anoxybacillus as A. tepidamans comb. nov.; and proposal of Anoxybacillus caldiproteolyticus sp. nov. Int J Syst Evol Microbiol 2012; 62:1470-1485.

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Record number: 789971