Physiological and transcriptome analyses of Chinese cabbage in response to drought stress

文献类型： 外文期刊

第一作者： Chen, Lin

作者： Chen, Lin;Li, Chao;Zhang, Jiahao;Li, Zongrui;Zeng, Qi;Sun, Qingguo;Zhao, Limin;Zhang, Lugang;Li, Baohua;Wang, Xiaowu

作者机构：

关键词： Chinese cabbage; drought stress; abscisic acid; weighted gene co-expression network analysis; glucosinolate

期刊名称：JOURNAL OF INTEGRATIVE AGRICULTURE （ 影响因子：4.6； 五年影响因子：4.5 ）

ISSN： 2095-3119

年卷期： 2024 年 23 卷 7 期

页码：

收录情况： SCI

摘要： Chinese cabbage is an important leafy vegetable crop with high water demand and susceptibility to drought stress. To explore the molecular mechanisms underlying the response to drought, we performed a transcriptome analysis of drought-tolerant and -sensitive Chinese cabbage genotypes under drought stress, and uncovered core droughtresponsive genes and key signaling pathways. A co-expression network was constructed by a weighted gene coexpression network analysis (WGCNA) and candidate hub genes involved in drought tolerance were identified. Furthermore, abscisic acid (ABA) biosynthesis and signaling pathways and their drought responses in Chinese cabbage leaves were systemically explored. We also found that drought treatment increased the antioxidant enzyme activities and glucosinolate contents significantly. These results substantially enhance our understanding of the molecular mechanisms underlying drought responses in Chinese cabbage.

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