Name: "Micrococcus denitrificans" Beijerinck and Minkman 1910

Category: Species

Proposed as: sp. nov.

Etymology: de.ni.tri’fi.cans. L. prep. de, away from; N.L. v. denitrifico, to denitrify; N.L. masc. part. adj. denitrificans, denitrifying

Pronunciation (Latin), gender: … de-ni-TRI-fi-kans, masculine

Nomenclatural type: ATCC 17741; DSM 413; JCM 21484; LMD 22.21; NBRC 102528; NCCB 22021

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: X69159 Analyse FASTA

Original publication: Beijerinck MW, Minkman DCJ. Bildung und Verbrauch von Stickstoffoxydul durch Bakterien. Zentralblatt für Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene, Abteilung II 1910; 25:30-63.

Nomenclatural status: not validly published, basonym of name in Approved Lists

Taxonomic status: synonym (and no standing)

Correct name: Paracoccus denitrificans (Beijerinck and Minkman 1910) Davis 1969 (Approved Lists 1980)

Risk group: 1

• Synonyms:

  • Name	Kind
    Paracoccus denitrificans (Beijerinck and Minkman 1910) Davis 1969 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Notes:
  • ⏰ According to Ludwig et al. (1993), this species is an earlier heterotypic synonym of Paracoccus pantotrophus (Robertson and Kuenen 1984) Rainey et al. 1999. Publication: Ludwig W, Mittenhuber G, Friedrich CG. Transfer of Thiosphaera pantotropha to Paracoccus denitrificans. Int J Syst Bacteriol 1993; 43:363-367. 🇩🇪
  • ⏰ According to Ludwig et al. (1993), this species is an earlier heterotypic synonym of Thiosphaera pantotropha Robertson and Kuenen 1984. Publication: Ludwig W, Mittenhuber G, Friedrich CG. Transfer of Thiosphaera pantotropha to Paracoccus denitrificans. Int J Syst Bacteriol 1993; 43:363-367. 🇩🇪
  • ⏰ According to Rainey et al. (1999), this species is not an earlier heterotypic synonym of Paracoccus pantotrophus (Robertson and Kuenen 1984) Rainey et al. 1999. Publication: Rainey FA, Kelly DP, Stackebrandt E, Burghardt J, Hiraishi A, Katayama Y, Wood AP. A re-evaluation of the taxonomy of Paracoccus denitrificans and a proposal for the combination Paracoccus pantotrophus comb. nov. Int J Syst Bacteriol 1999; 49:645-651. 🇬🇧
  • ⏰ According to Rainey et al. (1999), this species is not an earlier heterotypic synonym of Thiosphaera pantotropha Robertson and Kuenen 1984. Publication: Rainey FA, Kelly DP, Stackebrandt E, Burghardt J, Hiraishi A, Katayama Y, Wood AP. A re-evaluation of the taxonomy of Paracoccus denitrificans and a proposal for the combination Paracoccus pantotrophus comb. nov. Int J Syst Bacteriol 1999; 49:645-651. 🇬🇧
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "default: 1 Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1; var. halodenitrificans: 1 Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — 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.

Parent taxon: Micrococcus Cohn 1872 (Approved Lists 1980)

Assigned by: Beijerinck MW, Minkman DCJ. Bildung und Verbrauch von Stickstoffoxydul durch Bakterien. Zentralblatt für Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene, Abteilung II 1910; 25:30-63.

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Record number: 4240