Name: Alicyclobacillus acidocaldarius subsp. acidocaldarius (Darland and Brock 1971) Nicolaus et al. 2024

Category: Subspecies

Proposed as: subsp. nov. (rule 40d)

Basonym: Bacillus acidocaldarius Darland and Brock 1971 (Approved Lists 1980)

Etymology: a.ci.do.cal.da’ri.us. L. neut. adj. acidum, an acid; from L. masc. adj. acidus, sour; L. adj. caldarius -a -um, pertaining to warm or hot; N.L. masc. adj. acidocaldarius, pertaining to acid thermal habitats

Pronunciation (Latin), gender: a-li-ky-klo-ba-KIL-lus a-ki-do-kal-DA-ri-us a-ki-do-kal-DA-ri-us, masculine

Type strain: 104-1A; ATCC 27009; BCRC 14685; CCRC 14685; CCUG 28521; CIP 106131; DSM 446; HAMBI 2071; HAMBI 2073; IFO 15652; JCM 5260; KCTC 1825; LMG 7119; NBRC 15652; NCCB 89167; NCIB 11725; NCIMB 11725; NRRL B-14509

Effective publication: Nicolaus B, Improta R, Manca MC, Lama L, Esposito E, et al. Alicyclobacilli from an unexplored geothermal soil in Antarctica: Mount Rittmann. Polar Biol 1998; 19:133-141. 🇮🇹

IJSEM list: Oren A, Göker M. Validation list no. 222. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2025; 75:6640.

Nomenclatural status: validly published under the ICNP

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

Risk group: 1

• Notes:
  • 📠 This subspecies was automatically created by the valid publication of Alicyclobacillus acidocaldarius subsp. rittmannii Nicolaus et al. 2024 according to rule 40d. Publication: Nicolaus B, Improta R, Manca MC, Lama L, Esposito E, et al. Alicyclobacilli from an unexplored geothermal soil in Antarctica: Mount Rittmann. Polar Biol 1998; 19:133-141. 🇮🇹
  • 📧 The e-mail address of the corresponding author given in the effective publication is not functional any more.
  • 😷 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 2026-08-13. 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.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this subspecies. The name is on LoRN because of the recorded risk group of other species in the genus.
  • 🧍 The original authorship, (Darland and Brock 1971) Wisotzkey et al. 1992, was corrected according to the new Rule 40d. Publication: Garrity GM, Labeda DP, Oren A. Judicial Commission of the International Committee on Systematics of Prokaryotes. XIIth International (IUMS) Congress of Bacteriology and Applied Microbiology. Minutes of the meetings, 3, 4 and 6 August 2008, Istanbul, Turkey. Int. J. Syst. Evol. Microbiol. 2011; 61:2775-2780. 🇺🇸

Parent taxon: Alicyclobacillus acidocaldarius (Darland and Brock 1971) Wisotzkey et al. 1992

Assigned by: Nicolaus B, Improta R, Manca MC, Lama L, Esposito E, et al. Alicyclobacilli from an unexplored geothermal soil in Antarctica: Mount Rittmann. Polar Biol 1998; 19:133-141. 🇮🇹

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Record number: 773044