Species Cryobacterium psychrophilum

Name: Cryobacterium psychrophilum (ex Inoue and Komagata 1976) Suzuki et al. 1997

Category, proposed as: species, sp. nov., nom. rev.

Etymology: psy.chro’phi.lum. Gr. masc. adj. psychros, cold; N.L. neut. adj. suff. -philum, friend, loving; from Gr. neut. adj. philon, friend; N.L. neut. adj. psychrophilum, cold loving

Pronunciation (Latin), gender: kry-o-bak-TE-ri-um psy-K^HRO-p^hi-lum, neuter

Type strain: ATCC 43563; CIP 105227; DSM 4854; IAM 12024; IFO 15735; JCM 1463; K. Inoue and K. Komagata 27-O-b; NBRC 15735; NCIMB 2068; NCMB 2068; VKM Ac-2100

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ544063 Analyse FASTA

Valid publication: Suzuki K, Sasaki J, Uramoto M, Nakase T, Komagata K. Cryobacterium psychrophilum gen. nov., sp. nov., nom. rev., comb. nov., an obligately psychrophilic actinomycete to accommodate "Curtobacterium psychrophilum" Inoue and Komagata 1976. Int J Syst Bacteriol 1997; 47:474-478. 🇯🇵

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 47, part 2 of the IJSB. Int J Syst Bacteriol 1997; 47:917-919.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    "Curtobacterium psychrophilum" Inoue and Komagata 1976	homotypic synonym, not validly published

• Notes:
  • 🥇 Nomenclatural type of the genus Cryobacterium Suzuki et al. 1997. Publication: Suzuki K, Sasaki J, Uramoto M, Nakase T, Komagata K. Cryobacterium psychrophilum gen. nov., sp. nov., nom. rev., comb. nov., an obligately psychrophilic actinomycete to accommodate "Curtobacterium psychrophilum" Inoue and Komagata 1976. Int J Syst Bacteriol 1997; 47:474-478. 🇯🇵
  • 📧 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 = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — 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 2026-08-13. 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 9 times in PubMed until 2026-06-11.
  • 🧍 In the paper by Suzuki et al. 1997, Cryobacterium psychrophilum is erroneously cited as Cryobacterium psychrophilum sp. nov., nom. rev., comb. nov. (see Rule 33d). Publication: Oren A, Arahal DR, Christensen H, Goker M, Manaia CM, Moore ERB. International Code of Nomenclature of Prokaryotes. Prokaryotic Code (2025 Revision). Int J Syst Evol Microbiol 2026; 76:6979. 🇮🇱
  • 🧍 Nom. rev. / basonym "Curtobacterium psychrophilum". Publication: Inoue K, Komagata K. Taxonomic study on obligately psychrophilic bacteria isolated from Antarctica. J. Gen. Appl. Microbiol. 1976; 22:165-176.

Parent taxon: Cryobacterium Suzuki et al. 1997

Assigned by: Suzuki K, Sasaki J, Uramoto M, Nakase T, Komagata K. Cryobacterium psychrophilum gen. nov., sp. nov., nom. rev., comb. nov., an obligately psychrophilic actinomycete to accommodate "Curtobacterium psychrophilum" Inoue and Komagata 1976. Int J Syst Bacteriol 1997; 47:474-478. 🇯🇵

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Record number: 775284