文献类型： 外文期刊
第一作者： Wang, Wenjing
作者： Wang, Wenjing;Shi, Xiaoyu;Chen, Dexin;Wang, Fenglong;Zhang, Hongbo
作者机构：
关键词： jasmonic acid; abscisic acid; MYC2-silenced transgenic plants; water loss
期刊名称：EUROPEAN JOURNAL OF HORTICULTURAL SCIENCE （ 影响因子：1.482； 五年影响因子：1.503 ）
ISSN： 1611-4426
年卷期： 2020 年 85 卷 4 期
页码：
收录情况： SCI
摘要： The transcription factor MYC2, an important regulator of the jasmonic acid (JA) signaling pathway, plays a vital role in regulating plant growth and stress tolerance. In this study, the role of MYC2 in regulating the stomatal opening/closure and drought tolerance of rapeseed was studied using MYC2-silenced transgenic plants, which were developed previously. Compared with that in the leaves of control plant, the stomatal closure in the lower epidermis of the MYC2-silenced leaves was weaker under both light and dark conditions, which results in faster water loss and lower drought tolerance. The transcriptional assays showed that the expression of MYC2 is induced by JA and abscisic acid (ABA), and that silencing of MYC2 altered the expression of JA- and ABA-responsive downstream gens. These results are helpful to understand the regulation mechanism of jasmonate signaling pathway in drought tolerance of rapeseed.
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