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几种农杆菌质粒DNA提取方法的比较
引用本文:王友如,胡莎,崔永涛.几种农杆菌质粒DNA提取方法的比较[J].湖北师范学院学报(自然科学版),2005,25(2):70-72,104.
作者姓名:王友如  胡莎  崔永涛
作者单位:湖北师范学院,生物系,湖北,黄石,435002
摘    要:常规的农杆菌质粒DNA提取常采用碱裂解和酚、氯仿提纯方法,得率较低,一般在50ng/uL以下。就经典的碱裂解法(方法一)和在碱裂解法的基础上改进的方法二(去除了酚、氯仿提取过程,减少了提取过程中对人的伤害,且缩短了提取时间)以及改进的方法三进行了比较,实验结果表明:改进的方法二更适宜于做PCR检测,而方法三则适合于重组质粒DNA的酶切、PCR鉴定等。

关 键 词:DNA提取方法  农杆菌  碱裂解法  提取过程  PCR检测  质粒DNA  PCR鉴定  提纯方法  提取时间  氯仿  酶切
文章编号:1009-2714(2005)02-0070-03

The comparasion of methods of extraction of plasmid DNA from agribacterium tumefacien
WANG You-ru,HU Sha,CUI Yong-tao.The comparasion of methods of extraction of plasmid DNA from agribacterium tumefacien[J].Journal of Hubei Normal University(Natural Science),2005,25(2):70-72,104.
Authors:WANG You-ru  HU Sha  CUI Yong-tao
Abstract:The usual protocol to extract plasmid DNA from Agribacterium tumefaciens is called alkaline lysis. Based on this method(called Method I in this paper) ,a new protocol called Method II and MethodIII respectiveLy is modified , experimental result indicates that Method II ,which is simple, reliable , is more suitable for PCR method to assay target DNA,meanwhile Method III is reliably usable to test recombination plasmid DNA with restriction endonuclease and PCR method.
Keywords:Agribacterium tumefaciens  extraction of  plasmid DNA  comparasion of methods  
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