Review Article
Yersinia enterocolitica:
Mode of Transmission, Molecular Insights of Virulence,
and Pathogenesis of Infection
Table 1
Biotyping scheme of
Y. enterocolitica (adapted from [
33,
34]).
| Test | Reaction of biotype | 1A | 1B | 2 | 3 | 4 | 5 |
| Lipase (Tween hydrolysis) | + | + | − | − | − | − | Aesculin hydrolysis | V | − | − | − | − | − | Indole production | + | + | (+) | − | − | − | D-Xylose fermentation | + | + | + | + | − | v | Voges-Proskauer reaction | + | + | + | + | + | (+) | Trehalose fermentation | + | + | + | + | + | − | Nitrate reduction | + | + | + | + | + | − | Pyrazinamidase | + | − | − | − | − | − | B-D-Glucosidase | + | − | − | − | − | − | Proline peptidase | v | − | − | − | − | − |
|
|
+, positive; (+), delayed positive; –, negative; v, variable reactions.
|