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进行比较的转录基因组剖析揭示了复杂的防御和二次代谢网络,为大豆 (L. Merrill) 提供了Corynespora cassiicola的抵抗力

Sejal Patel¹, Jinesh Patel¹, Katherine Silliman²

¹Department of Crop, Soil and Environmental Sciences, Auburn University, Auburn, AL 36849, USA.

International journal of molecular sciences

|July 14, 2023

概括

鉴定出了抗 Corynesporas cassiicola 引起的目标点病的大豆基因型. 这项研究揭示了大豆对这种病原体的耐药性所涉及的分子机制和防御途径.

科学领域:

植物病理学植物病理学
分子生物学分子生物学
遗传学是一个遗传学.

背景情况:

目标斑点病,由Corynesporas cassiicola引起,显著影响大豆生产,特别是在炎热和潮湿的气候.
虽然存在耐药大豆基因型,但基本的分子耐药机制在很大程度上仍未知.

研究的目的:

阐明控制大豆抗 Corynesporas cassiicola 感染的分子机制.
确定涉及大豆-病原体相互作用的关键基因和途径.

主要方法:

使用RNA-Seq进行了对抗性和易受性大豆基因型在受感染和控制条件下的比较转录基因分析.
分析的重点是识别差异表达基因 (DEG) 和调控网络.

主要成果:

在感染后的所有基因型中,共鉴定了2571个DEG,主要涉及二次代谢物,免疫和防御反应以及烯胺/黄胺通路.
耐药基因型表现出额外的上调的DEGs,与黄酸,莉酸,酸和类固醇有关.
确定了关键的分子参与者,包括转录因子,免疫受体和具有特定域的防御基因 (氨酸丰富的重复,导向,C丰富的受体类激酶).

结论:

这项研究为大豆抗 Corynesporas cassiicola 的分子基础提供了关键的见解.
已识别的基因和途径为提高耐药性的改良大豆生殖质提供了宝贵的资源.

关键词:

C. 卡西科拉 (C. cassiicola) 是一种植物.在RNA-Seqq.美国国防部回应反应不同表达基因的基因电阻的阻力可以豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆豆目标点的目标点点.

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