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Int J Syst Evol Microbiol. 2019 May 8. doi: 10.1099/ijsem.0.003422. [Epub ahead of print]

Yersinia hibernica sp. nov., isolated from pig-production environments.

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1​UCD-Centre for Food Safety, School of Public Health, Physiotherapy and Sports Science, University College Dublin, Belfield, Dublin D04 N2E5, Ireland.
2​Department of Microbiology, St Vincent's University Hospital, 196 Merrion Road, Elm Park, Dublin D04 T6F4, Ireland.
3​Veterinary Department, Cork County Council, Carrigrohane Road, Cork T12 R2NC, Ireland.


A Gram-stain-negative, rod-shaped strain isolated from pig-production environments was identified as a new species within the genus Yersinia using multifaceted genomic and biochemical approaches. The genome of this strain was closed using a hybrid assembly approach combining both high accuracy short read sequencing data with long read sequencing technology. Phylogenetic analysis of the 16S rRNA gene showed ~98 % similarity to Yersinia kristensenii and ~98 % similarity to Yersinia enterocolitica. Average nucleotide identity (OrthoANI) values were calculated as 85.79 % to Y. kristensenii ATCC 33638T and 85.73 % to Y. enterocolitica ATCC 9610T thereby providing evidence that this isolate should be considered as a novel species. The type strain is CFS1934T (=NCTC 14222T=LMG 31076T).


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