However, the ADI enzyme activity of JM 109 ( pBV 220 - cit ) had not been detected.

用42℃热激诱导JM109 ( pBV220-cit ) 精氨酸脱亚氨基酶的表达,但是未检测到酶活.

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Results The Arresten gene was screening successfully, and the recombinant plasmid pBV 220 - Arr was constructed successful.

结果成功筛选出Arresten基因并构建了重组质粒pBV220-Arr,重组质粒在菌株中获得表达.

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