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51问答网 > 基因表达载体应如何构建？

基因表达载体应如何构建？

2025-03-15 01:52:30

推荐回答（1个）

回答1：

构建基因表达载体 DNA的分子链被切开后，还得缝接起来以 5年，科学家们在1967完成基因的拼接。个实验室里几乎同时发现并提取出一种酶，这种酶可以将两个DNA片段连接起年以1974来，修复好DNA链的断裂口。后，科学界正式肯定了这一发现，并把这种酶叫作DNA连接酶。从此，DNA连接酶就成了名符其实的“缝合”基因的“分子针线”。只要在用同一种“分子剪刀”剪切的两种 DNA碎片中加上“分子针线”，就会把两。种DNA片段重新连接起来

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