以下为句子列表：
英文: Eight restriction endonucleases were used to investigate mitochondrial DNA polymorphisms of takin,cattle,sheep,buffalo and goat in Bovidae.
中文: 用8种限制酶分析了种牛科动物,羚牛、黄牛、水牛、绵羊和山羊的线粒体DNA的多态性。
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英文: Duck plague virus(DPV) genomic DNA was digested by restriction endonucleases BamHⅠ、EcoRⅠ、HindⅢ、PstⅠand SalⅠ. 2～6 kb DNA fragments were extracted and inserted into vector pUC19 to construct DPV genomic library.
中文: 用BamH、EcoR、Hind、Pst、Sal 5种限制性内切酶消化鸭瘟病毒基因组DNA,回收2~6 kb片段连入pUC19载体,构建了鸭瘟病毒基因组部分文库。
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