细菌人工染色体(BAC)是一种承载dna大片段的克隆载体系统，用于人、动物和植物基因组文库构建。
Bacterial artificial chromosome (BAC) is a kind of vector system used to construct large fragment insert libraries of genome DNA in human, animals and plants.
本研究克隆了苹果NAD-SDH 基因的部分cDNA 序列，构建了其反义表达载体，并正在通过农杆菌浸染法将该基因反义转化至蔷薇科植物中。
In this dissertation, a partial fragment of NAD-SDH from apple fruit was cloned, the NAD-SDH antisense expression plasmid was constructed, and the antisense expression has been doing;
本研究克隆了苹果NAD-SDH 基因的部分cDNA 序列，构建了其反义表达载体，并正在通过农杆菌浸染法将该基因反义转化至蔷薇科植物中。
In this dissertation, a partial fragment of NAD-SDH from apple fruit was cloned, the NAD-SDH antisense expression plasmid was constructed, and the antisense expression has been doing;
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