Induction Variation of H7 Flagellum Antigen and Identification of EHEC O157:H7 from Imported Frozen Chicken Wing

Abstract

Abstract: A variation EHEC O157:H7 strain was isolated from imported frozen chicken wing, while fermented sorbitol and lackedH7 flagellum antigen, was identified as EHEC O157:H7 by the combination of biological characters, serological result and toxicologicaltest. And the lost H7 flagellum antigen of EHEC O157:H7 was successfully induced after continuous 5-generation induction via0.4% high-nutrition soft agar. Our study was a useful reference for the identification of other variation EHEC O157:H7 strain.

Key words: EHEC O157:H7, induction of flagellum antigen, identification

WANG Zhi-Qiang, XU Long-Yan, LI Zhi-Yong, LING Li. Induction Variation of H7 Flagellum Antigen and Identification of EHEC O157:H7 from Imported Frozen Chicken Wing[J]. FOOD SCIENCE, 2004, 25(9): 144-146.

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Induction Variation of H7 Flagellum Antigen and Identification of EHEC O157:H7 from Imported Frozen Chicken Wing

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