Name: Caldinitratiruptor Fardeau et al. 2025

Category: Genus

Proposed as: gen. nov.

Etymology: Cal.di.ni.tra.ti.rup’tor. L. masc. adj. caldus, hot; N.L. masc. n. nitras (gen. nitratis), nitrate; L. masc. n. ruptor, breaker; N.L. masc. n. Caldinitratiruptor, a hot nitrate-breaker (-reducer)

Gender, pronunciation: masculine (stem: Caldinitratiruptor-), kal-di-ni-tra-ti-RUP-tor

Type species: Caldinitratiruptor microaerophilus Fardeau et al. 2025

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Effective publication: Fardeau ML, Barsotti V, Cayol JL, Guasco S, Michotey V, Joseph M, Bonin P, Ollivier B. Caldinitratiruptor microaerophilus, gen. nov., sp. nov. isolated from a French hot spring (Chaudes-Aigues, Massif Central): a novel cultivated facultative microaerophilic anaerobic thermophile pertaining to the Symbiobacterium branch within the Firmicutes. Extremophiles 2010; 14:241-247. 🇫🇷

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

• Notes:
  • 🧕 Fardeau et al. (2010) assigned this genus to the phylum "Firmicutes" (Gibbons and Murray 1978) Garrity and Holt 2001. Publication: Fardeau ML, Barsotti V, Cayol JL, Guasco S, Michotey V, Joseph M, Bonin P, Ollivier B. Caldinitratiruptor microaerophilus, gen. nov., sp. nov. isolated from a French hot spring (Chaudes-Aigues, Massif Central): a novel cultivated facultative microaerophilic anaerobic thermophile pertaining to the Symbiobacterium branch within the Firmicutes. Extremophiles 2010; 14:241-247. 🇫🇷
  • 🎰 The BRCs most frequently used for deposits in this group are: DSM: 1; JCM: 1.

Subdivision:

Number of child taxa with a validly published and correct name: 1
Number of child taxa with a validly published name, including synonyms: 1
Total number of child taxa: 1

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Caldinitratiruptor microaerophilus Fardeau et al. 2025	validly published under the ICNP	correct name

Parent taxon: [Bacillota, not assigned to family]

Assigned by: Parte AC, Sarda Carbasse J, Meier-Kolthoff JP, Reimer LC, Goker M. List of Prokaryotic names with Standing in Nomenclature (LPSN) moves to the DSMZ. Int J Syst Evol Microbiol 2020; 70:5607-5612. 🇩🇪

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Record number: 64678