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MAPK and phenylpropanoid metabolism pathways involved in regulating the resistance of upland cotton plants to Verticillium dahliae

文献类型： 外文期刊

作者： Zhang, Mingli 1 ; Ma, Yanjun 2 ; Wang, Yuan 2 ; Gao, Haifeng 1 ; Zhao, Sifeng 2 ; Yu, Yu 3 ; Zhang, Xuekun 2 ; Xi, Hui 2 ;

作者机构： 1.Minist Agr & Rural Affairs, Open Res Fund Key Lab Integrated Pest Management C, Urumqi, Xinjiang, Peoples R China

2.Shihezi Univ, Coll Agr, Key Lab Oasis Agr Pest Management & Plant Protect, Shihezi, Xinjiang, Peoples R China

3.Xinjiang Acad Agr Reclamat Sci, Cotton Res Inst, Shihezi, Xinjiang, Peoples R China

关键词： Verticillium dahliae; transcriptome; MAPK pathway; phenylpropanoid biosynthesis; cotton

期刊名称：FRONTIERS IN PLANT SCIENCE （ 影响因子：4.8； 五年影响因子：5.7 ）

ISSN： 1664-462X

年卷期： 2024 年 15 卷

页码：

收录情况： SCI

摘要： Introduction Verticillium dahliae causes a serious decline in cotton yield and quality, posing a serious threat to the cotton industry. However, the mechanism of resistance to V. dahliae in cotton is still unclear, which limits the breeding of resistant cultivars. Methods To analyze the defense mechanisms of cotton in response to V. dahliae infection, we compared the defense responses of two upland cotton cultivars from Xinjiang (JK1775, resistant; Z8,susceptible) using transcriptome sequencing at different infection stages. Results The results revealed a significant differential expression of genes in the two cotton cultivars post V. dahliae infection, with the number of DEGs in JK1775 being higher than that in Z8 at different infection stages of V. dahliae. Interestingly, the DEGs of both JK1775 and Z8 were enriched in the MAPK signaling pathway in the early and late stages of infection. Importantly, the upregulated DEGs in both cultivars were significantly enriched in all stages of the phenylpropanoid metabolic pathway. Some of these DEGs were involved in the regulation of lignin and coumarin biosynthesis, which may be one of the key factors contributing to the resistance of upland cotton cultivars to V. dahliae in Xinjiang. Lignin staining experiments further showed that the lignin content increased in both resistant and susceptible varieties after inoculation with V. dahliae. Discussion This study not only provides insights into the molecular mechanisms of resistance to Verticillium wilt in Xinjiang upland cotton but also offers important candidate gene resources for molecular breeding of resistance to Verticillium wilt in cotton.

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[1]MAPK and phenylpropanoid metabolism pathways involved in regulating the resistance of upland cotton plants to Verticillium dahliae (vol 15, 1451985, 2024). Zhang, Mingli,Gao, Haifeng,Zhang, Mingli,Ma, Yanjun,Wang, Yuan,Zhao, Sifeng,Zhang, Xuekun,Xi, Hui,Yu, Yu. 2025

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