English translation for "外源的"
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- allothigenic
allothogenic
ectogenic
exogenetic
exogenic
exogenous
- Example Sentences:
| 1. | 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
将该基因簇中的aved基因通过插入外源的安普霉素抗性基因片段使其失活，导致发酵产物中4个a组分(不需要的组分)的消失；将基因簇中的avec基因通过同样手段，使其失活，导致发酵产物中4个“ 1 ”组分的消失，而主要积累“ 2 ”组分(进一步改造可成为伊维菌素的前体b _ 2组分) 。 |
- Similar Words：
- "外源捕虏体" English translation, "外源捕虏岩" English translation, "外源场" English translation, "外源沉积" English translation, "外源单体生物" English translation, "外源的，外生的" English translation, "外源地下水" English translation, "外源覆盖层" English translation, "外源附加族" English translation, "外源河" English translation
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