Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs, Oil Crop Research Institute, Chinese Academy of Agricultural Sciences, Wuhan 430062, China.
Int J Mol Sci. 2022 Oct 25;23(21):12862. doi: 10.3390/ijms232112862.
Clubroot caused by led to a significant decrease in the yield and quality of , one of the most important oil crops in the world. JAZ proteins are an essential repressor of jasmonates (JAs) signaling cascades, which have been reported to regulate the resistance to in . In this study, we identified 51, 25 and 26 JAZ proteins in , and , respectively. Phylogenetic analysis displayed that the notedJAZ proteins were divided into six groups. The JAZ proteins clustered in the same group shared a similar motif composition and distribution order. The 51 were not evenly assigned on seventeen chromosomes in , except for A04 and C07. The of the / group presented themselves to be significantly up-regulated after inoculation by . Variation analysis in a population with a specific resistance performance in displayed a 64 bp translocation in (, homologous to ) with an 8% reduction in the disease index on average. Through protein-protein interaction analysis, 65 genes were identified that might be involved in regulation of resistance to in , which provided new clues for understanding the resistance mechanism to .
根肿病由 引起，导致世界上最重要的油料作物之一 的产量和质量显著下降。JAZ 蛋白是茉莉酸（JAs）信号级联反应的必需抑制剂，已有报道称其调节 对 的抗性。在这项研究中，我们分别在 、 和 中鉴定了 51、25 和 26 个 JAZ 蛋白。系统发育分析显示，所研究的 JAZ 蛋白分为六个组。聚类在同一组的 JAZ 蛋白具有相似的基序组成和分布顺序。除了 A04 和 C07 之外， notedJAZ 蛋白在 十七条染色体上的分布并不均匀。/ 组的 被 接种后显著上调。在具有特定抗性表现的群体中的变异分析显示， 在 （与 同源）中发生了 64bp 的易位，平均疾病指数降低了 8%。通过蛋白质-蛋白质相互作用分析，鉴定出 65 个可能参与 调控 的基因，这为理解 对 的抗性机制提供了新的线索。
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