Name: Cupriavidus necator Makkar and Casida 1987

Category: Species

Proposed as: sp. nov.

Etymology: ne.ca’tor. L. masc. n. necator, murderer, slayer

Gender: masculine

Type strain: ATCC 43291; CCUG 52238; CIP 103161; DSM 13513; LMG 8453; N-1

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AF191737 Analyse FASTA

Valid publication: Makkar NS, Casida Jr. LE. Cupriavidus necator gen. nov., sp. nov.: a nonobligate bacterial predator of bacteria in soil. Int. J. Syst. Bacteriol. 1987; 37:323-326.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Notes:
  • 🥇 Nomenclatural type of the genus Cupriavidus Makkar and Casida 1987. Publication: Makkar NS, Casida Jr. LE. Cupriavidus necator gen. nov., sp. nov.: a nonobligate bacterial predator of bacteria in soil. Int. J. Syst. Bacteriol. 1987; 37:323-326.
  • ⏰ According to Vandamme and Coenye (2004), this species is an earlier heterotypic synonym of Alcaligenes eutrophus Davis 1969 (Approved Lists 1980) but this is in conflict with the rules of the International Code of Nomenclature of Prokaryotes. Publication: Vandamme P, Coenye T. Taxonomy of the genus Cupriavidus: a tale of lost and found. Int J Syst Evol Microbiol 2004; 54:2285-2289.
  • ⏰ According to Vandamme and Coenye (2004), this species is an earlier heterotypic synonym of Ralstonia eutropha (Davis 1969) Yabuuchi et al. 1996 but this is in conflict with the rules of the International Code of Nomenclature of Prokaryotes. Publication: Vandamme P, Coenye T. Taxonomy of the genus Cupriavidus: a tale of lost and found. Int J Syst Evol Microbiol 2004; 54:2285-2289.
  • ⏰ According to Vandamme and Coenye (2004), this species is an earlier heterotypic synonym of Wautersia eutropha (Davis 1969) Vaneechoutte et al. 2004 but this is in conflict with the rules of the International Code of Nomenclature of Prokaryotes. Publication: Vandamme P, Coenye T. Taxonomy of the genus Cupriavidus: a tale of lost and found. Int J Syst Evol Microbiol 2004; 54:2285-2289.
  • 😷 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 588 times in PubMed until 2024-03-27.

Parent taxon: Cupriavidus Makkar and Casida 1987

Assigned by: Makkar NS, Casida Jr. LE. Cupriavidus necator gen. nov., sp. nov.: a nonobligate bacterial predator of bacteria in soil. Int. J. Syst. Bacteriol. 1987; 37:323-326.

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Record number: 775318