Liha töötlemine
aintestinal infections of Y. enterocolitica Lactobacillus, Brochothrix, Erysipelohrix,
have been reported, including septicemia, and Kurthia. A variety of biochemical tests
arthritis, erythema nodosum, sarcoidosis, have been devised to separate L. monocyto-
skin infection, and eye infection. genes from other Listeria species, such as L.
Foods suspected of being a source of yer- innocua, L. welshimeri, and L. murrayi.
siniosis in the United States include choco- Serotyping is also important in the identifica-
late milk, milk powder, chow mein, tofu, and tion of this organism, the most important
pasteurized milk. Pork products have also ones being 1/2a, 1/2b, 1/2c, 3a, 3b, 3c, and
been suspected. 4b. Listeria is a psychrotroph capable of
Isolation of this organism typically goes growing at temperatures as low as 2.5°C and
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