ZmMPK6-1 positively regulates maize resistance to E. turcicum through enhancing ZmERF061 activity

IF 2.6 3区生物学 Q2 PLANT SCIENCES

Journal of Plant Interactions Pub Date : 2023-09-29 DOI:10.1080/17429145.2023.2261772

Liangyu Jiang, Mingrui Li, Xiaoyue Liu, Zixin Zhang, Zhenyuan Zang

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引用次数: 0

Abstract

Northern corn leaf blight (NCLB) is one of the most important foliar disease in maize, which leads to serious yield losses. It is necessary to identify resistance genes in order to control NCLB. Mitogen-activated protein kinase (MAPK) cascades play important roles in plant defense reactions. Ethylene-response factor (ERF) is involved in plant disease resistance in maize through phosphorylation by MAPK signaling pathway. Here, we found that ZmMPK6-1 positively regulates maize resistance against E. turcicum through enhancing the expression of defense-related genes and enzyme activities. Moreover, ZmMPK6-1 can interact with ZmERF061 which enhanced the transcriptional activation activity of ZmERF061. Taken together, our findings indicated that ZmMPK6-1 would act through improving ZmERF061 transcriptional activation activity to induce defensin gene expression in regulating the maize resistance against E. turcicum. These results revealed the molecular mechanism of ZmMPK6-1-ZmERF061 signaling pathway in response to E. turcicum, which is useful to maize E. turcicum resistance breeding.

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ZmMPK6-1通过增强ZmERF061活性正向调节玉米对黄芽孢杆菌的抗性

北方玉米叶枯病(NCLB)是玉米重要的叶面病害之一，造成严重的产量损失。为了控制NCLB，有必要鉴定耐药基因。丝裂原活化蛋白激酶(MAPK)级联反应在植物防御反应中起重要作用。乙烯反应因子(ERF)通过MAPK信号通路磷酸化参与玉米植株抗病过程。本研究发现，ZmMPK6-1通过增强防御相关基因的表达和酶活性，正向调节玉米对黄芽孢杆菌的抗性。ZmMPK6-1可以与ZmERF061相互作用，增强了ZmERF061的转录激活活性。综上所述，ZmMPK6-1可能通过提高ZmERF061转录激活活性，诱导防御素基因表达，调控玉米对黄芽孢杆菌的抗性。这些结果揭示了ZmMPK6-1-ZmERF061信号通路响应黄曲菌的分子机制，为玉米黄曲菌抗性育种提供参考。

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来源期刊

Journal of Plant Interactions PLANT SCIENCES-

CiteScore

5.30

自引率

6.20%

发文量

审稿时长

>12 weeks

期刊介绍： Journal of Plant Interactions aims to represent a common platform for those scientists interested in publishing and reading research articles in the field of plant interactions and will cover most plant interactions with the surrounding environment.