Name: Caldicellulosiruptor saccharolyticus Rainey et al. 1995

Category: Species

Proposed as: sp. nov.

Etymology: sac.cha.ro.ly’ti.cus. Gr. neut. n. sakchar, sugar; N.L. masc. adj. lyticus, able to loose, able to dissolve; from Gr. masc. adj. lytikos, dissolving; N.L. masc. adj. saccharolyticus, breaking up polysaccharides

Pronunciation, gender: sak-k^ha-ro-LY-ti-kus, masculine

Type strain: ATCC 43494; DSM 8903; Tp8T 6331

Conduct genome-based taxonomy at

16S rRNA gene: L09178 Analyse FASTA

Effective publication: Rainey FA, Donnison AM, Janssen PH, Saul D, Rodrigo A, Bergquist PL, Daniel RM, Stackebrandt E, Morgan HW. Description of Caldicellulosiruptor saccharolyticus gen. nov., sp. nov: an obligately anaerobic, extremely thermophilic, cellulolytic bacterium. FEMS Microbiol Lett 1994; 120:263-266.

IJSEM list: Anonymous. Validation list no. 52. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1995; 45:197-198.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    "Caldocellum saccharolyticum" Love et al. 1988	homotypic synonym, not validly published

• Notes:
  • 🥇 Nomenclatural type of the genus Caldicellulosiruptor Rainey et al. 1995. Publication: Rainey FA, Donnison AM, Janssen PH, Saul D, Rodrigo A, Bergquist PL, Daniel RM, Stackebrandt E, Morgan HW. Description of Caldicellulosiruptor saccharolyticus gen. nov., sp. nov: an obligately anaerobic, extremely thermophilic, cellulolytic bacterium. FEMS Microbiol Lett 1994; 120:263-266.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — 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. — 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 105 times in PubMed until 2025-06-04.

Subdivision:

Number of child taxa with a validly published and correct name: 0
Number of child taxa with a validly published name, including synonyms: 0
Total number of child taxa: 2

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    "Caldicellulosiruptor saccharolyticus subsp. changbaiensis" (Bing et al. 2015) Bing 2024	not validly published	synonym
    "Caldicellulosiruptor saccharolyticus subsp. saccharolyticus" (Rainey et al. 1995) Bing 2024	not validly published	synonym of its species

Parent taxon: Caldicellulosiruptor Rainey et al. 1995

Assigned by: Rainey FA, Donnison AM, Janssen PH, Saul D, Rodrigo A, Bergquist PL, Daniel RM, Stackebrandt E, Morgan HW. Description of Caldicellulosiruptor saccharolyticus gen. nov., sp. nov: an obligately anaerobic, extremely thermophilic, cellulolytic bacterium. FEMS Microbiol Lett 1994; 120:263-266.

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Record number: 774346