VvXYLP02 confers gray mold resistance by amplifying jasmonate signaling pathway in Vitis vinifera
VvXYLP02 confers gray mold resistance by amplifying jasmonate signaling pathway in Vitis vinifera
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VvXYLP02 通过放大葡萄中的茉莉酸信号通路赋予灰霉病抗性
DOI：
10.1080/15592324.2021.1940019
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发表时间：
2021-07
期刊：
影响因子：
--
通讯作者：
Qianqian Zhang
中科院分区：
文献类型：
--
作者：
Tinggang Li;Guangxia Chen;Qianqian Zhang
木质素样蛋白（XYLPs）是植物生长、发育和逆境反应所必需的。然而，对葡萄中XYLP基因家族及其对灰霉病的保护作用知之甚少。我们鉴定并表征了葡萄属葡萄基因组中六种常见的XYLPs（VvXYLPs）。用B分析VvXYLP表达模式。结果表明，VvXYLP02在抗性基因型中表达显著上调，而在敏感基因型中表达下调或仅轻微上调。拟南芥中VvXYLP 02的过表达显著增加了对B的抗性。cinerea，表明该候选基因具有重要的功能。此外，JA处理显著上调VvXYLP02在酿酒葡萄中的表达。JA响应基因在A. VvXYLP 02过表达系中也上调。B.灰霉病接种这些结果表明，VvXYLP02，这是由JA诱导的病原体感染，增强JA依赖的反应，以加强植物对灰霉病的抗性。
ABSTRACT Xylogen-like proteins (XYLPs) are essential for plant growth, development, and stress responses. However, little is known about the XYLP gene family in grape and its protective effects against gray mold a destructive disease caused by Botrytis cinerea. We identified and characterized six common XYLPs in the Vitis vinifera genome (VvXYLPs). VvXYLP expression pattern analyses with B. cinerea infection showed that VvXYLP02 was significantly up-regulated in the resistant genotype but down-regulated or only slightly up-regulated in the susceptible genotype. VvXYLP02 overexpression in Arabidopsis thaliana significantly increased resistance to B. cinerea, indicating that the candidate gene has functional importance. Furthermore, JA treatment significantly up-regulated VvXYLP02 expression in V. vinifera. JA-responsive genes were also up-regulated in VvXYLP02 overexpression lines in A. thaliana under B. cinerea inoculation. These findings suggest that VvXYLP02, which is induced by JA upon the pathogen infection, enhances JA dependent response to enforce plant resistance against gray mold disease.
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