一种基因陷阱载体,包含一个插入到基因内1号 intron 的β-geo cassette,通过E9.5胚胎的 Western blot 检测未检测到蛋白产物,证实了基因的失活(来源:J:129756)。
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A gene trap vector containing a beta-geo cassette inserted into intron 1 of the gene. Gene inactivation was confirmed by no detection of the protein product in western blots of E9.5 embryos. (J:129756)