crispr-cas9shijizfn、talensdengjiyinbianjijishutuichuhoudedisandaijiyinbianjijishu,yinqixiaolvgao、jianbian、chengbendi,yichengweidangjinzhuliudejiyinbianjijishuzhiyi。gongchenghuadecrispr/cas9 xitongyouliangbufenzucheng:juyoudaoxianggongnengdesingle guide rna (sgrna)hexingshidnaqiegegongnengdecas9 hesuanneiqiemei。dangxibaoneitongshibiaoda cas9 danbaihe sgrnashi,cas9danbaijiehesgrnabaxiangdaomudednaxulie,youdaodnashuanglianduanlie (dsb),yinfaxibaoneibudednaxiufujizhi:(1)ruguoyoudnaxiufumobanjinrudaoxibaozhong,dsbyijuxiufumoban,tongguotongyuanzhongzuxiufu(hdr)tujingduiduanliednajinxingxiufu,congershixianjiyinqiaoru、tihuanhuodiantubian;(2)dangweitigong dna xiufumobanshi,xibaohuitongguofeitongyuanmoduanlianjiefangshi(nhej)duiduanliednajinxingxiufu,xiufuguochengzhongtongchanghuifashengjianjicharuhuoqueshidecuopeixianxiangzaochengyimatubian,congershixianjiyinqiaochu(knock-out)。 chulechuantongdespcas9,spcas9-hf1、sacas9dengqitabanbendecas9xitongyeyiguangfanyingyongyujiyinbianji。
anbiqiyouduoniandewendingxibaoxigoujianjingyan,keyigenjunindekeyanxuqiujiang cas9hesuanmeijiyinwendingzhenghedaoninsuozhidingdesuzhuxibaojiyinzu。
应用领域
sgrnagaotongliangshaixuan
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基因功能的研究
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案例分析
案例1:HEK293T-SpCas9细胞系T7EI检测结果