持毒素基因决定论者认为，徼囊藻有毒株（Toxic Strains）和无毒株（Nontoxic Strains）的毒性是由遗传决定的，而且微囊藻有毒株和无毒株的遗传差异在于是否存在一种或几 3 江南大学硕士学位论文种编码毒素合成酶的基副...
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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.
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