Name: Alicyclobacillus acidocaldarius subsp. acidocaldarius (Darland and Brock 1971) Nicolaus et al. 2002

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

Gender: 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

See detailed strain information at

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

IJSEM list: Anonymous. Validation list no. 84. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2002; 52:3-4.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 📠 This subspecies was automatically created by the valid publication of Alicyclobacillus acidocaldarius subsp. rittmannii Nicolaus et al. 2002 according to rule 40d. Publication: Nicolaus B, Improta R, Manca MC, Lama L, Esposito E, Gambacorta A. 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 2023-10-29. The full classification is: risk group = 1.
  • 🧍 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, Gambacorta A. Alicyclobacilli from an unexplored geothermal soil in Antarctica: Mount Rittmann. Polar Biol. 1998; 19:133-141.

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Record number: 773044