美国食品药品局细菌分析手册（BAM）第8章：小肠结肠炎耶尔森氏菌（2017年10月版）BAM Chapter 8 Yersinia enterocolitica

Yersinia enterocolitica and bacteria that resemble it are ubiquitous, being isolated frequently from soil (2, 18), water (2, 10, 17), animals (2, 18), and a variety of foods (5, 6, 15). They comprise a biochemically heterogeneous group that can grow at refrigeration temperatures (a strong argument for use of cold enrichment). Based on their biochemical heterogeneity and DNA relatedness, members of this group were separated into four species: Y. enterocolitica, Y. intermedia, Y. frederiksenii, and Y. kristensenii (9). Through additional revisions, the genus Yersinia has grown to include eleven species (2, 9, 10, 51), three of which are potentially pathogenic to humans: Y. pestis, Y. pseudotuberculosis, and Y. enterocolitica. Of these, Y. enterocolitica is most important as a cause of foodborne illness.

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