Leptosphaeria maculans isolates with variations in AvrLm1 and AvrLm4 effector genes induce differences in defence responses but not in resistance phenotypes in cultivars carrying the Rlm7 gene,Pest Management Science

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Leptosphaeria maculans isolates with variations in AvrLm1 and AvrLm4 effector genes induce differences in defence responses but not in resistance phenotypes in cultivars carrying the Rlm7 gene
Pest Management Science ( IF 3.8 ) Pub Date : 2023-03-03 , DOI: 10.1002/ps.7432
Henrik Uwe Stotz ₁ , Ajisa Muthayil Ali ₁ , Lucia Robado de Lope ₁ , Mohammed Sajid Rafi ₂ , Georgia Konstantinou Mitrousia ₁ , Yong-Ju Huang ₁ , Bruce David Ledger Fitt ₁

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The phoma stem canker pathogen Leptosphaeria maculans is one of the most widespread and devastating pathogens of oilseed rape (Brassica napus) in the world. Pathogen colonization is stopped by an interaction of a pathogen Avr effector gene with the corresponding host resistance (R) gene. While molecular mechanisms of this gene-for-gene interaction are being elucidated, understanding of effector function remains limited. The purpose of this study was to determine the action of L. maculans effector (AvrLm) genes on incompatible interactions triggered by B. napus noncorresponding R (Rlm) genes. Specifically, effects of AvrLm4-7 and AvrLm1 on Rlm7-mediated resistance were studied.

中文翻译：

带有 AvrLm1 和 AvrLm4 效应基因变异的斑球菌分离株在携带 Rlm7 基因的品种中诱导防御反应差异，但不导致抗性表型差异

茎腐病病原体Leptosphaeria maculans是世界上油菜（甘蓝型油菜）最广泛和最具破坏性的病原体之一。病原体定植通过病原体Avr效应基因与相应宿主抗性 ( R ) 基因的相互作用而停止。虽然这种基因间相互作用的分子机制正在被阐明，但对效应子功能的理解仍然有限。本研究的目的是确定L. maculans效应子 ( AvrLm ) 基因对由甘蓝型油菜非对应R ( Rlm ) 基因触发的不相容相互作用的作用。具体地，研究了AvrLm4-7和AvrLm1对Rlm7介导的抗性的影响。

更新日期：2023-03-03

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