- 《英漢醫(yī)學(xué)詞典》insertion inactivation
- 插入失活
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insertion inactivation中文什么意思
例句與用法
- in this study, the avermectin-producing strain streptomyces avermitilis was studied and the avermectin biosynthesis gene cluster in the genomic dna of streptomyces avermitilis s-2 was altered by the method of gene engineering . insertion inactivation of aved gene in the cluster by introducing apramycin resistance gene into aved gene resulted in the disappearance of " a " components of avermectins . when avec gene was inactivated by the same way, four " 1 " components were lost and only " 2 " components, the potential precursor of ivermectin, were accumulated
將該基因簇中的aved基因通過插入外源的安普霉素抗性基因片段使其失活，導(dǎo)致發(fā)酵產(chǎn)物中4個a組分(不需要的組分)的消失；將基因簇中的avec基因通過同樣手段，使其失活，導(dǎo)致發(fā)酵產(chǎn)物中4個“1”組分的消失，而主要積累“2”組分(進一步改造可成為伊維菌素的前體b_2組分)。