与状菌根真菌相关的荷尔蒙变化表明病毒压力葡萄树的防御性变化
Emanuel Gaši1, Matevž Likar2, Vicent Arbona3
1Institute for Adriatic Crops and Karst Reclamation, Dept. Plant Sciences, Split, Croatia.
Physiologia plantarum
|February 20, 2025
概括
树状菌根真菌 (AMF) 通过诱导酸 (SA) 和酸 (ABA) 来增强葡萄藤的活力和对多种病毒的防御. 这种AMF的共生提供了一个有希望的策略来管理葡萄园中的病毒性疾病.
科学领域:
- 植物病理学 植物病理学
- 菌类学 菌类学是指菌类学.
- 园艺园艺 园艺园艺
背景情况:
- 葡萄酒生产面临着巨大的损失,因为病毒的流行率很高.
- 众所周知,状菌根真菌 (AMF) 可以减轻植物生物压力.
- 葡萄藤中的AMF和病毒之间的荷尔蒙相互作用尚未得到充分理解.
研究的目的:
- 调查AMF如何影响葡萄藤防御机制对多种病毒感染.
- 探索不同AMF并感染病毒的葡萄树的荷尔蒙反应.
- 评估两个不同的AMF疫苗的生物保护潜力.
主要方法:
- 葡萄树被葡萄树叶卷相关病毒 (GLRaV-3),葡萄树树叶相关病毒 (GRSPaV) 和葡萄树皮诺格里斯病毒 (GPGV) 感染,单独或组合.
- 应用了两个AMF注射剂,RHIZ (不规则) 和MIX (R.不规则的混合物,Funneliformis mosseae和F.caledonium).
- 在注射后的不同时间点分析了荷尔蒙特征 (酸,酸) 和基因表达 (VvNCED1,VvBG1).
主要成果:
- 一般来说,MIX注射剂会比RHIZ注射剂产生更强烈的生理反应.
- 被所有三种病毒感染并接种MIX的葡萄树显示了诱导的酸 (SA) 和酸 (ABA) 度.
- 植物活力和生长参数在AMF注射的葡萄树中得到了增强,无论病毒组合如何.
结论:
- AMF的共生可以调节葡萄藤对多种病毒感染的防御反应.
- 诱导ABA和SA,以及增强活力,是AMF诱导的病毒感染葡萄树的防御性反应的特征.
- 葡萄菌对葡萄藤病毒性疾病的综合管理具有潜在的价值.
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