BLyS改组噬菌体文库的构建及初步筛选
Journal of Microbiology(2006)
Abstract
从质粒pT7474-BLyS及人胎脑cDNA文库中分别扩增出BLyS和APRIL基因,用DNase I消化后,回收小于50 bp的片断,用于DNA改组。PCR产物与噬菌体载体pfUSE5连接后,电转E.coliER2738获得改组文库。构建的改组文库库容量为8.9×105。对文库进行初步的筛选,获得了一个受体结合活性降低的突变克隆。成功构建了BLyS改组噬菌体文库,为蛋白结构与功能之间关系的深入研究打下了基础。
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Key words
DNA shuffling,library,phage display,BLyS
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