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Effector-triggered immunity by the plant pathogen Phytophthora

机译:植物病原菌疫霉菌的效应子触发的免疫力

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摘要

A new genetic locus mediating avirulence in the potato late blight pathogen Phytophthora infestans has been discovered. The Avr3b–Avr10–Avr11 locus is recognized by three different potato resistance genes, and is different from other Avr loci that have been identified thus far. This locus encodes a large protein with a WD40 domain and sequence similarities to transcription factors. Multiple, truncated copies of this gene have arisen by gene amplification and are characteristic of avirulent strains of P. infestans. Here, we describe the new avirulence locus and discuss the importance of this finding.
机译:已经发现了一种新的遗传基因位点,其在马铃薯晚疫病病原体疫霉疫霉中无毒。 Avr3b–Avr10–Avr11基因座可被三个不同的马铃薯抗性基因识别,并且与迄今已确定的其他Avr基因座不同。该基因座编码具有WD40结构域的大蛋白质,并且与转录因子的序列相似。该基因的多个截短拷贝已通过基因扩增而出现,并且是致病疫霉的无毒力菌株的特征。在这里,我们描述了新的无毒力基因座,并讨论了这一发现的重要性。

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