期刊文献+

棉花黄萎病菌致病相关基因的分离及敲除载体的构建

Isolation of the pathogenicity-related gene from Verticillium dahliae and construction of knockout vector in cotton
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摘要 利用分生孢子蘸根法筛选棉花黄萎病菌T-DNA插入转化体库,获得了1个致病力减弱的突变体V546,该突变体在PDA平板上不产生微菌核。利用hi TAIL-PCR技术,获得了突变体V546 T-DNA插入的侧端序列。序列比对分析表明,该突变体T-DNA插入位点在大丽轮枝菌基因VDAG_07282.1的编码区。 The pathogenicity of V. dahliae T-DNA transformants on the cotton variety Yinshan 1 seeding was tested by dipping roots with V. dahliae spore suspension,and a pathogenicity defective mutant V546 was obtained,indicating microsclerotia development defectively on PDA. The T-DNA insertional flanking sequence of mutant V546 was isolated by hi TAIL-PCR,which was integrated in the V. dahliae gene VDAG_07282. 1 coding sequence by genome sequence alignment.
出处 《河南农业大学学报》 CAS CSCD 北大核心 2015年第6期787-793,共7页 Journal of Henan Agricultural University
基金 国家自然科学基金项目(30700520) 农业部公益性行业科技专项(201503109) 河南省教育厅科学技术研究重点项目(14A210025) 河南省棉花产业技术体系建设专项资金资助(S2013-07-G04)
关键词 棉花黄萎病 大丽轮枝菌 致病相关基因 侧端序列 敲除载体 verticillium wilt of cotton Verticillium dahliae pathogenicity-related gene flanking sequence knockout vector
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