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首页> 外文期刊>Pest Management Science >The mechanism of resistance to sterol 14 alpha demethylation inhibitors ina mutant (Erg 40) of Ustilago maydis
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The mechanism of resistance to sterol 14 alpha demethylation inhibitors ina mutant (Erg 40) of Ustilago maydis

机译:可能对玉米粉虱Ustilago突变体(Erg 40)的固醇14α去甲基化抑制剂有抗性的机制

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摘要

Resistance to DMI fungicides is a problem in both agriculture and medicine. Several mechanisms of resistance exist, but, as yet, few have been characterised in field resistant strains of plant pathogens. One approach to evaluating the role of mutations in the sterol 14 alpha demethylase (14DM) target site requires cloning this gene and confirming its identity by complementation in an appropriate mutant. The azole-resistant mutant, Erg 40, of Ustilago maydis which is totally blocked at the 14 alpha demethylation step in sterol biosynthesis seems to be suitable for such expression studies.
机译:对DMI杀真菌剂的抗性在农业和医学上都是问题。存在几种抗药性机制,但迄今为止,在植物病原体的田间抗药性菌株中尚无特征。一种评估突变在固醇14α脱甲基酶(14DM)目标位点中作用的方法需要克隆该基因,并通过在适当的突变体中互补来确认其身份。在甾醇生物合成中在14α脱甲基步骤被完全封闭的Ustilago maydis的抗唑类突变体Erg 40似乎适合于这种表达研究。

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