Transient autophagy inhibition strengthened postharvest tomato ( Solanum lycopersicum ) resistance against Botrytis cinerea through curtailing ROS-induced programmed cell death
文献类型： 外文期刊
第一作者： Ma, Quan
作者： Ma, Quan;Li, Dong;Ren, Yicheng;Chen, Yanpei;Huang, Jing;Wang, Qingqing;Luo, Zisheng;Wu, Bin;Wu, Bin;Luo, Zisheng;Luo, Zisheng
作者机构：
关键词： Autophagy; Tomato; Gray mold; Programmed cell death; ROS
期刊名称：FOOD CHEMISTRY （ 影响因子：8.5； 五年影响因子：8.2 ）
ISSN： 0308-8146
年卷期： 2024 年 454 卷
页码：
收录情况： SCI
摘要： Autophagy (AU) and programmed cell death (PCD) are dynamically regulated during tomato fruit defense against Botrytis cinerea, which are also manipulated by pathogenic effectors to promote colonization. Present study demonstrated that the enhanced defense induced by transient inhibition on AU by hydroxychloroquine (HCQ) facilitated the restriction of B. cinerea lesion on postharvest tomato. Pre-treatment of 2 mM (16.08 +/- 3.42 cm at 7 d) and 6 mM (7.80 +/- 2.39 cm at 7 d) HCQ inhibited the lesion development of B. cinerea compared with Mock treatment (50.02 +/- 7.69 cm at 7 d). Transient inhibition of AU induced expression of fungal defense and transcriptional regulation related genes, but attenuated reactive oxygen species (ROS) burst gene expression. The ROS-induced PCD was compromised by HCQ with promoted ROS scavenging. The transient pre-treatment of HCQ slightly inhibited AU which triggered the feedback loop that enhanced the autophagic activity defensing against B. cinerea infection.
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