Contrasting Roles of Ethylene Response Factors in Pathogen Response and Ripening in Fleshy Fruit.
Contrasting Roles of Ethylene Response Factors in Pathogen Response and Ripening in Fleshy Fruit.
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DOI：
10.3390/cells11162484
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发表时间：
2022-08-10
期刊：
影响因子：
6
通讯作者：
Grierson, Donald
中科院分区：
文献类型：
--
作者：
Li, Shan;Wu, Pan;Yu, Xiaofen;Cao, Jinping;Chen, Xia;Gao, Lei;Chen, Kunsong;Grierson, Donald
肉质水果通常在未成熟时硬而难吃；然而，当它们成熟时，它们的质量会因复杂而动态的遗传和生化成熟过程而改变，这会影响到所有的细胞隔间。成熟的水果富含酸、糖、维生素、诱人的挥发物和色素等营养物质，并形成令人愉快的味道和质地，变得诱人的食用。成熟还增加了对病原菌的敏感性，这对果实采后运输和贮藏提出了一个关键问题：如何在保持成熟品质的同时提高病原菌的抗性。果实发育和成熟涉及转录因子调控基因表达的许多变化，其中一些转录因子对生长素、脱落酸(ABA)和乙烯等激素做出反应。乙烯反应因子(ERF)调节果实成熟和对病原菌胁迫的抗性。不同的ERF调节肉质跃变期和非跃变期果实的成熟和/或病原菌的反应，并且协同或独立于其他转录因子发挥作用。本文综述了调控果实成熟和对几种真菌病原菌侵染反应的ERF的研究现状，包括对番茄灰霉病菌侵染番茄灰霉病的ERF转录组分析。深入了解ERFs在果实成熟和病原菌响应中的功能，可能会发现新的基因转录调控方法，以提高水果品质和抗病原性。
Fleshy fruits are generally hard and unpalatable when unripe; however, as they mature, their quality is transformed by the complex and dynamic genetic and biochemical process of ripening, which affects all cell compartments. Ripening fruits are enriched with nutrients such as acids, sugars, vitamins, attractive volatiles and pigments and develop a pleasant taste and texture and become attractive to eat. Ripening also increases sensitivity to pathogens, and this presents a crucial problem for fruit postharvest transport and storage: how to enhance pathogen resistance while maintaining ripening quality. Fruit development and ripening involve many changes in gene expression regulated by transcription factors (TFs), some of which respond to hormones such as auxin, abscisic acid (ABA) and ethylene. Ethylene response factor (ERF) TFs regulate both fruit ripening and resistance to pathogen stresses. Different ERFs regulate fruit ripening and/or pathogen responses in both fleshy climacteric and non-climacteric fruits and function cooperatively or independently of other TFs. In this review, we summarize the current status of studies on ERFs that regulate fruit ripening and responses to infection by several fungal pathogens, including a systematic ERF transcriptome analysis of fungal grey mould infection of tomato caused by Botrytis cinerea. This deepening understanding of the function of ERFs in fruit ripening and pathogen responses may identify novel approaches for engineering transcriptional regulation to improve fruit quality and pathogen resistance.
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