Enhanced transcriptome responses in herbivore-infested tea plants by the green leaf volatile (Z)-3-hexenol

文献类型： 外文期刊

第一作者： Xin, Zhaojun

作者： Xin, Zhaojun;Ge, Lingang;Chen, Shenglong;Sun, Xiaoling;Xin, Zhaojun;Ge, Lingang;Chen, Shenglong;Sun, Xiaoling

作者机构：

关键词： Tea; (Z)-3-Hexenol; Jasmonic acid; RNA-Seq; Ectropis obliqua; Defense-related genes

期刊名称：JOURNAL OF PLANT RESEARCH （ 影响因子：2.629； 五年影响因子：2.926 ）

ISSN： 0918-9440

年卷期： 2019 年 132 卷 2 期

页码：

收录情况： SCI

摘要： Green leaf volatiles (GLVs) play a vital role in enhancing herbivore-associated defense responses, but the mechanism by which they precisely regulate such responses is not well understood. (Z)-3-Hexenol (z3HOL), an important component of GLVs, effectively activates the defense of tea plants (Camellia sinensis) against a tea geometrid (TG) Ectropis obliqua Prout. To elucidate the molecular mechanisms of defense activation by z3HOL, RNA-Sequencing was employed to investigate the effect of z3HOL on transcriptome responses to TG in tea plants. A total of 318 upregulated genes were identified, and expression of 10 unigenes was validated by quantitative real-time PCR. Among these 318 upregulated genes, 56 were defense-related, including 6 key enzyme genes in jasmonic acid, and ethylene biosynthesis, 24 signal transduction genes, and 12 insect-responsive transcription factors. Most of the defense-related genes are induced by JA, TG, or wounding treatments, suggesting that JA signaling plays a vital role in z3HOL-induced tea defense against TG.

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