木糖异构酶基因xylA表达载体构建

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Publication date
1 January 2014
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Abstract

以大肠埃希菌 MG1655的基因组为模板，通过PCR扩增获得木糖异构酶基因xylA。利用敲除编码对基因转录起负调控作用的lacIq基因的大肠埃希菌/谷氨酸棒杆菌穿梭质粒pEC-XK99E，酶连后转化大肠埃希菌BL21和谷氨酸棒杆菌ATCC 13032。成功构建出了具有大肠埃希菌BL21表达活性的木糖异构酶表达载体Ptrc-xylA

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