A Complete Collection of 100000 Whys
Fav十万个为什么
为什么大肠杆菌常作实验材料？
大肠杆菌常作为实验材料主要因为其遗传背景清晰、易于培养和操作、生长迅速，以及适用于基因工程和重组蛋白表达。
1、遗传背景清晰：大肠杆菌的基因组序列完整且结构简单，便于研究者进行基因操作和功能研究。
2、易于培养和操作：大肠杆菌对营养需求低，能在简单培养基中快速繁殖，同时其培养条件简单，易于实验室操作。
3、生长迅速：大肠杆菌的生长周期短，能在短时间内获得大量菌体，满足实验需求。
4、适用于基因工程和重组蛋白表达：大肠杆菌常用于外源基因的克隆和表达，是基因工程和重组蛋白生产的重要工具。
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