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Knock-in of Enhanced Green Fluorescent Protein or/and Human Fibroblast Growth Factor 2 Gene into β-Casein Gene Locus in the Porcine Fibroblasts to Produce Therapeutic Protein
Knock-in Homologous Recombination Therapeutic Proteins Porcine β-casein Gene
2016/5/17
Transgenic animals have become important tools for the production of therapeutic proteins in the domestic animal. Production efficiencies of transgenic animals by conventional methods as microinjectio...
Recent Progress in Biotechnology-based Gene Manipulating Systems to Produce Knock-In/Out Mouse Models
Transgenic Knock In/Out ROSA26 Tetraploid ES Cells Gene Manipulation
2016/4/27
Gene-manipulated mice were discovered for the first time about a quarter century ago. Since then, numerous sophisticated technologies have been developed and applied to answer key questions about the ...
基因敲除是研究生物体基因功能的有效手段。通过基因敲除建立的鼠疾病模型，在研究基因功能及人类疑难病症致病机制等方面发挥着前所未有的作用。本文对目前已获得的基因敲除鼠疾病模型进行了分类和总结，为相关研究的展开奠定了基础。
Red重组系统及在微生物基因敲除中的应用--The Red Recombination System and Its Application to Gene Knock-out in Microorganism
Red重组系统 基因敲除 抗药性基因 Red recombination system gene knock-out resistant gene
2007/12/5
在完成了对各种微生物基因组的测序以后，功能基因学的研究变得尤为重要。研究基因功能最直接的方法便是将待研究的基因失活。最初构建基因突变体是采用大肠杆菌的RecA系统，但是RecA重组系统操作复杂，重组效率低。最近建立了Red重组系统，该系统由3个蛋白组成：α蛋白(即λ核酸外切酶)，β蛋白，Gam蛋白。应用Red系统进行基因敲除，可以直接利用线性打靶DNA，两侧同源臂长度在35~60 bp即可发生同源...