Name: Dietzia maris (Nesterenko et al. 1982 ex Harrison 1929) Rainey et al. 1995

Category: Species

Proposed as: comb. nov.

Basonym: Rhodococcus maris (ex Harrison 1929) Nesterenko et al. 1982

Etymology: ma’ris. L. gen. neut. n. maris, of the sea

Pronunciation (Latin), gender: … MA-ris, feminine

Type strain: ATCC 35013; AUCNM A-593; DSM 43672; IMET 7760; IMV 195

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: X79290 Analyse FASTA

Valid publication: Rainey FA, Klatte S, Kroppenstedt RM, Stackebrandt E. Dietzia, a new genus including Dietzia maris comb. nov., formerly Rhodococcus maris. Int J Syst Bacteriol 1995; 45:32-36. 🇩🇪

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 45, part 1 of the IJSB. Int J Syst Bacteriol 1995; 45:420.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

Risk group: 1

• Synonyms:

  • Name	Kind
    Dietzia cinnamea Yassin et al. 2006	heterotypic synonym, validly published under the ICNP
    Rhodococcus maris (ex Harrison 1929) Nesterenko et al. 1982	homotypic synonym, validly published under the ICNP

• Emendations:
  • Nouioui et al. 2018 Nouioui I, Carro L, Garcia-Lopez M, Meier-Kolthoff JP, Woyke T, Kyrpides NC, Pukall R, Klenk HP, Goodfellow M, Goker M. Genome-Based Taxonomic Classification of the Phylum Actinobacteria. Front Microbiol 2018; 9:2007. 🇩🇪 Oren A, Garrity GM. List of changes in taxonomic opinion no. 29. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2019; 69:13-32.
    Notes:
    • 🫂 Emendation accompanied by a proposal regarding the synonymy of the species.

• Notes:
  • 🥇 Nomenclatural type of the genus Dietzia Rainey et al. 1995. Publication: Rainey FA, Klatte S, Kroppenstedt RM, Stackebrandt E. Dietzia, a new genus including Dietzia maris comb. nov., formerly Rhodococcus maris. Int J Syst Bacteriol 1995; 45:32-36. 🇩🇪
  • ⏰ According to Nouioui et al. (2018), this species is an earlier heterotypic synonym of Dietzia cinnamea Yassin et al. 2006. Publication: Nouioui I, Carro L, Garcia-Lopez M, Meier-Kolthoff JP, Woyke T, Kyrpides NC, Pukall R, Klenk HP, Goodfellow M, Goker M. Genome-Based Taxonomic Classification of the Phylum Actinobacteria. Front Microbiol 2018; 9:2007. 🇩🇪
  • 🏢 Synonymy of this taxon was mentioned in an IJSEM list. Publication: Oren A, Garrity GM. List of changes in taxonomic opinion no. 29. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2019; 69:13-32.
  • 📧 The e-mail address of the corresponding author given in the effective publication is not functional any more.
  • 😷 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, note = "+". — 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 51 times in PubMed until 2025-06-04.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded pathogenicity of the species itself.
  • 🧍 According to Bartlett et al. (2022), this species is an established human pathogen. Publication: Bartlett A, Padfield D, Lear L, Bendall R, Vos M. A comprehensive list of bacterial pathogens infecting humans. Microbiology (Reading) 2022; 168:0. 🇬🇧

Parent taxon: Dietzia Rainey et al. 1995

Assigned by: Rainey FA, Klatte S, Kroppenstedt RM, Stackebrandt E. Dietzia, a new genus including Dietzia maris comb. nov., formerly Rhodococcus maris. Int J Syst Bacteriol 1995; 45:32-36. 🇩🇪

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Record number: 775787