Name: Flavimonas oryzihabitans (Kodama et al. 1985) Holmes et al. 1987

Category: Species

Proposed as: comb. nov.

Basonym: Pseudomonas oryzihabitans Kodama et al. 1985

Etymology: o.ry.zi.ha’bi.tans. L. fem. n. oryza, rice; L. pres. part. habitans, inhabiting, dwelling; N.L. part. adj. oryzihabitans, rice-inhabiting

Gender: feminine

Type strain: AJ 2197; ATCC 43272; CCUG 12540; CIP 102996; DSM 6835; IAM 1568; JCM 2952; KS0036; L-1; LMG 7040; NBRC 102199

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: D84004 Analyse FASTA

Valid publication: Holmes B, Steigerwalt AG, Weaver RE, Brenner DJ. Chryseomonas luteola comb. nov. and Flavimonas oryzihabitans gen. nov., comb. nov., Pseudomonas-like species from human clinical specimens and formerly known, respectively, as groups Ve-1 and Ve-2. Int. J. Syst. Bacteriol. 1987; 37:245-250.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Pseudomonas oryzihabitans Kodama et al. 1985

Risk group: 2

• Synonyms:

  • Name	Kind
    "Chryseomonas psychrotolerans" (Hauser et al. 2004) Rudra and Gupta 2023	heterotypic synonym, not validly published
    "Chryseomonas oryzihabitans" (Kodama et al. 1985) Rudra and Gupta 2023	homotypic synonym, not validly published
    Pseudomonas oryzihabitans Kodama et al. 1985	homotypic synonym, validly published under the ICNP
    Pseudomonas psychrotolerans Hauser et al. 2004	heterotypic synonym, validly published under the ICNP

• Notes:
  • 🥇 Nomenclatural type of the genus Flavimonas Holmes et al. 1987. Publication: Holmes B, Steigerwalt AG, Weaver RE, Brenner DJ. Chryseomonas luteola comb. nov. and Flavimonas oryzihabitans gen. nov., comb. nov., Pseudomonas-like species from human clinical specimens and formerly known, respectively, as groups Ve-1 and Ve-2. Int. J. Syst. Bacteriol. 1987; 37:245-250.
  • ⏰ According to Lalucat et al. (2020), this species is an earlier heterotypic synonym of Pseudomonas psychrotolerans Hauser et al. 2004. Publication: Lalucat J, Mulet M, Gomila M, Garcia-Valdes E. Genomics in Bacterial Taxonomy: Impact on the Genus Pseudomonas. Genes (Basel) 2020; 11:0.
  • ⏰ According to Lalucat et al. (2020), this species is an earlier heterotypic synonym of "Chryseomonas psychrotolerans" (Hauser et al. 2004) Rudra and Gupta 2023. Publication: Lalucat J, Mulet M, Gomila M, Garcia-Valdes E. Genomics in Bacterial Taxonomy: Impact on the Genus Pseudomonas. Genes (Basel) 2020; 11:0.
  • ⏰ According to Rudra and Gupta (2023), this species is not an earlier heterotypic synonym of Pseudomonas psychrotolerans Hauser et al. 2004. Publication: Rudra B, Gupta RS. Phylogenomics studies and molecular markers reliably demarcate genus Pseudomonas sensu stricto and twelve other Pseudomonadaceae species clades representing novel and emended genera. Front Microbiol 2023; 14:1273665.
  • ⏰ According to Rudra and Gupta (2023), this species is not an earlier heterotypic synonym of "Chryseomonas psychrotolerans" (Hauser et al. 2004) Rudra and Gupta 2023. Publication: Rudra B, Gupta RS. Phylogenomics studies and molecular markers reliably demarcate genus Pseudomonas sensu stricto and twelve other Pseudomonadaceae species clades representing novel and emended genera. Front Microbiol 2023; 14:1273665.
  • 🏢 Synonymy of this taxon was mentioned in an IJSEM list. Publication: Oren A, Garrity GM. List of changes in taxonomic opinion no. 35. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2022; 72:5164.
  • ❗ Flavimonas oryzihabitans is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Flavimonas.
  • 😷 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 - Considerations for containment: This biological agent is capable of causing human and/or animal disease, but is unlikely to do so. Although it poses a low risk to the health of individuals or animals, and a low risk to public health or animal populations, this biological agent may cause opportunistic infections and may pose a threat to immunocompromised individuals or animals, or those with predisposing factors. Refer to the Canadian Biosafety Guideline on Containment Level 1: Physical Design and Operational Practices for recommended best practices for basic laboratory design and the safe handling of risk group 1 biological materials.". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 2. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 2.
  • 🎓 Name mentioned 56 times in PubMed until 2024-03-27.
  • 🧍 Re-evaluation of the original taxonomy as Pseudomonas oryzihabitans IJSB 47:251. Publication: Anzai Y, Kudo Y, Oyaizu H. The phylogeny of the genera Chryseomonas, Flavimonas, and Pseudomonas supports synonymy of these three genera. Int J Syst Bacteriol 1997; 47:249-251.
  • 🧍 The level of similarity between the 16S rRNA sequence of the strain KS0036 L-1 AJ 2197 IAM 1568 JCM 2952 (the type strain of the species Pseudomonas oryzihabitans Kodama et al. 1985) and the 16S rRNA of the strain DSM 50071 ATCC 10145 [the type strain of the species Pseudomonas aeruginosa (Schroeter 1872) Migula 1900 (Approved Lists 1980)] is 93.9%. This result suggests that Flavimonas Holmes et al. 1987 is a later heterotypic synonym of Pseudomonas Migula 1894 (Approved Lists 1980) and that the name Pseudomonas oryzihabitans should be used for this species. Publication: Anzai Y, Kudo Y, Oyaizu H. The phylogeny of the genera Chryseomonas, Flavimonas, and Pseudomonas supports synonymy of these three genera. Int J Syst Bacteriol 1997; 47:249-251.

Parent taxon: Flavimonas Holmes et al. 1987

Assigned by: Holmes B, Steigerwalt AG, Weaver RE, Brenner DJ. Chryseomonas luteola comb. nov. and Flavimonas oryzihabitans gen. nov., comb. nov., Pseudomonas-like species from human clinical specimens and formerly known, respectively, as groups Ve-1 and Ve-2. Int. J. Syst. Bacteriol. 1987; 37:245-250.

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Record number: 776218