Name: Kluyvera cryocrescens Farmer et al. 1981

Category: Species

Proposed as: sp. nov.

Etymology: cry.o.cre.scens. Gr. neut. n. kryos, icy cold, frost; L. pres. part. crescens, growing; N.L. part. adj. cryocrescens, growing in the cold, referring to the fact the cultures grow at 4-5 °C.

Gender: feminine

Type strain: 12993; ATCC 33435; CCUG 18767; CDC 2065-78; CIP 82.96; DSM 4588; JCM 7580; LMG 7859; NBRC 102467

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB681809 Analyse FASTA

Effective publication: Farmer JJ, Fanning GR, Huntley-Carter GP, Holmes B, Hickman FW, Richard C, Brenner DJ. Kluyvera, a new (redefined) genus in the family Enterobacteriaceae: identification of Kluyvera ascorbata sp. nov. and Kluyvera cryocrescens sp. nov. in clinical specimens. J Clin Microbiol 1981; 13:919-933.

IJSEM list: Anonymous. Validation list no. 7. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1981; 31:382-383.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 2

• Notes:
  • 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 2022; 168:0.

Parent taxon: Kluyvera Farmer et al. 1981

Assigned by: Farmer JJ, Fanning GR, Huntley-Carter GP, Holmes B, Hickman FW, Richard C, Brenner DJ. Kluyvera, a new (redefined) genus in the family Enterobacteriaceae: identification of Kluyvera ascorbata sp. nov. and Kluyvera cryocrescens sp. nov. in clinical specimens. J Clin Microbiol 1981; 13:919-933.

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Record number: 777170