Name: Alicyclobacillus macrosporangiidus Goto et al. 2007

Category: Species

Proposed as: sp. nov.

Etymology: ma.cro.spo.ran.gi’i.dus. Gr. masc. adj. makros, big; N.L. neut. n. sporangium, sporangia; L. suff. -idus, suffix expressing a quality or tendency; N.L. masc. adj. macrosporangiidus, having large sporangia

Gender: masculine

Type strain: 5A-239-20-AT; 5-A239-2O-A; DSM 17980; IAM 15370; JCM 21814

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB264025 Analyse FASTA

Valid publication: Goto K, Mochida K, Kato Y, Asahara M, Fujita R, An SY, Kasai H, Yokota A. Proposal of six species of moderately thermophilic, acidophilic, endospore-forming bacteria: Alicyclobacillus contaminans sp. nov., Alicyclobacillus fastidiosus sp. nov., Alicyclobacillus kakegawensis sp. nov., Alicyclobacillus macrosporangiidus sp. nov., Alicyclobacillus sacchari sp. nov. and Alicyclobacillus shizuokensis sp. nov. Int J Syst Evol Microbiol 2007; 57:1276-1285. 🇯🇵

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 57, part 6 of the IJSEM. Int J Syst Evol Microbiol 2007; 57:1935-1936.

Nomenclatural status: validly published under the ICNP

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

Risk group: 1

• Synonyms:

  • Name	Kind
    "Paenalicyclobacillus macrosporangiidus" (Goto et al. 2007) Sinninghe Damsté et al. 2025	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 3 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 pathogenicity of other species in the genus.

Parent taxon: Alicyclobacillus Wisotzkey et al. 1992

Assigned by: Goto K, Mochida K, Kato Y, Asahara M, Fujita R, An SY, Kasai H, Yokota A. Proposal of six species of moderately thermophilic, acidophilic, endospore-forming bacteria: Alicyclobacillus contaminans sp. nov., Alicyclobacillus fastidiosus sp. nov., Alicyclobacillus kakegawensis sp. nov., Alicyclobacillus macrosporangiidus sp. nov., Alicyclobacillus sacchari sp. nov. and Alicyclobacillus shizuokensis sp. nov. Int J Syst Evol Microbiol 2007; 57:1276-1285. 🇯🇵

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Record number: 773050