近年来，人们发现了耶尔森菌强毒力岛，并对其结构与功能进行了大量研究。

There have been many studies on the structure and function of the high pathogenicity island since it was first discovered to be located on Yersinia.

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目的研究肠产志贺样毒素且具侵袭力的大肠杆菌（ESIEC）菌株是否含有耶尔森菌的HPI（毒力岛）基因。

Objective To study whether the genes of HPI island of Yersinia is existed in enteric Shigelloid toxin producing and invasive Escherichia coli (ESIEC).

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目的研究肠产志贺样毒素且具侵袭力的大肠杆菌（ESIEC）菌株是否含有耶尔森菌的HPI（毒力岛）基因。

Objective To study whether the genes of HPI island of Yersinia is existed in enteric Shigelloid toxin producing and invasive Escherichia coli (ESIEC).

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