临床株感染影响的离子通道及其调控元件较无毒株广泛和丰富。
The clinical strain affected more types of ion channels and respective regulatory elements.
结果：散发性霍乱以无毒株为主，质粒及肠毒素基因的携带率极低，但耐药性有所增加。
Results: The sporadic outbreak of vibrio cholera has some characters: including non toxic strain infection, low detection rate of plasmid and ct gene and increase of drug resistance.
比较强毒肠道菌及其无毒突变株的溶血能力与毒力相符；
The positiveness of the contact hemolysis was correlated with the virulence of bacteria when virulent or non-virulent strains of enterobacteria were compared.
比较强毒肠道菌及其无毒突变株的溶血能力与毒力相符；
The positiveness of the contact hemolysis was correlated with the virulence of bacteria when virulent or non-virulent strains of enterobacteria were compared.
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