Name: Caldicellulosiruptor diazotrophicus Chen et al. 2021

Category: Species

Proposed as: sp. nov.

Etymology: di.a.zo.tro’phi.cus. Gr. adv. dis, two, double (also Latin adjective); N.L. neut. n. azotum, nitrogen; Gr. masc. adj. trophikos, nursing, tending or feeding; N.L. masc. adj. diazotrophicus, one that feeds on dinitrogen

Pronunciation, gender: di-a-zo-TRO-p^hi-kus, masculine

Type strain: DSM 112098; JCM 34253; YA01

Conduct genome-based taxonomy at

16S rRNA gene: LC603168 Analyse FASTA

Valid publication: Chen Y, Nishihara A, Iino T, Ohkuma M, Haruta S. Caldicellulosiruptor diazotrophicus sp. nov., a thermophilic, nitrogen-fixing fermentative bacterium isolated from a terrestrial hot spring in Japan. Int J Syst Evol Microbiol 2021; 71:5014.

IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 71, part 9 of the IJSEM. Int J Syst Evol Microbiol 2021; 71:5130.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Synonyms:

  • Name	Kind
    "Anaerocellum diazotrophicum" corrig. (Chen et al. 2021) Bing 2024	homotypic synonym, not validly published
    "Anaerocellum diazotrophicus" (Chen et al. 2021) Bing 2024	homotypic synonym, inaccurate spelling

• Notes:
  • 🎓 Name mentioned 1 time in PubMed until 2025-06-04.

Parent taxon: Caldicellulosiruptor Rainey et al. 1995

Assigned by: Chen Y, Nishihara A, Iino T, Ohkuma M, Haruta S. Caldicellulosiruptor diazotrophicus sp. nov., a thermophilic, nitrogen-fixing fermentative bacterium isolated from a terrestrial hot spring in Japan. Int J Syst Evol Microbiol 2021; 71:5014.

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Record number: 21219