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DMD基因第50号和第51号内含子的克隆和测序 被引量:1

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摘要 用DMDcDNA8探针从假肥大型肌营养不良(Duchennemusculardystrophy,DMD)基因的YAC克隆的cosmid亚克隆库中筛选到9个阳性cosmid克隆,Southern杂交鉴定cosmidC0461含DMD基因的第51号外显子,将该cosmid亚克隆于pVC118中,获得含DMD基因第50和51号内含子的3.1kb-HindⅢ片段的亚克隆,将亚克隆的插入片段分别用Sau3AⅡ完全和部分酶切克隆于pUC118中,Sanger法双链测序测出质粒克隆的序列并重叠所测出的序列,确定该片段的长度为3179bp。与Speer测出的该段序列(3159bp)比较相差20bp,有33处不同。并发现有重复顺序存在,它们之间可能会发生重组并可能导致第51号外显子的缺失。
出处 《中山医科大学学报》 CSCD 1996年第4期245-250,共6页 Academic Journal of Sun Yat-sen University of Medical Sciences
基金 国家863高科技发展计划及国家自然科学基金
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