基因工程中受体细胞有什么要求

2025-04-08 03:05:10
推荐回答(1个)
回答1:

.基因工程中常用的受体细胞有大肠杆菌,枯草杆菌,土壤农杆菌,酵母菌和动植物细胞等
受体细胞是指在转化和转导(感染)中接受外源基因的宿主细胞。
受体细胞也叫宿主细胞。受体细胞有原核受体细胞(最主要是大肠杆菌)、真核受体细胞(最主要是酵母菌)、动物细胞和昆虫细胞(其实也是真核受体细胞)。 原核受体细胞中,最常用的宿主细胞是大肠杆菌。
作为基因工程的受体细胞必须具备下面的性能:[1]
(1)具有接受外源DNA的能力;
(2)一般应为限制酶缺陷型(或限制与修饰系统均缺陷);
(3)一般应为DNA重组缺陷型;
(4)不适于在人体内或在非培养条件下生存;
(5)它的DNA不易转移。

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