DNA methylation mediated by melatonin was involved in ethylene signal transmission and ripening of tomato fruit

Shan, Shuangshuang; Wang, Zhiqiang; Pu, Huili; Duan, Wenhui; Song, Hongmiao; Li, Jiangkuo; Zhang, Zhengke; Xu, Xiangbin

doi:10.1016/j.scienta.2021.110566

Cited by 25 publications

(4 citation statements)

References 58 publications

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“…MT‐treated tomatoes have shown higher fruit pigmentation due to enhanced lycopene activity. This accumulation is attributed to the increased gene expression of ethylene response factor 1 (ERF1) and 1‐aminocyclopropane‐1‐carboxylic acid synthetase 10 (ACS10), which results due to decreased DNA methylation levels of two genes, namely, ACS10 and ERF1 CpG (Shan et al., 2022).…”

Section: Mt and The Regulation Of Epigenetic Machinery Regulating Pos...mentioning

confidence: 99%

Effect of exogenous melatonin in fruit postharvest, crosstalk with hormones, and defense mechanism for oxidative stress management

2022

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Derived from tryptophan, melatonin (MT; N-acetyl-5-methoxytryptamine) is a ubiquitous indoleamine that is widely distributed in species ranging from microorganisms to mammals. It has been associated to play vital roles in the human body like cardiac rhythms, immunological enhancement, and antioxidant activity. In plants, it is a pleiotropic molecule with multiple roles, as it not only performs extensive functions like delaying senescence, growth and development regulation, exerting antioxidant effects, and facilitating adaption of plants to certain biotic and abiotic stress responses but also provides resistance to chilling injury and disease development. This paper reviews the latest progress in the multiple roles of MT in fruits, summarizes the pathways for its biosynthesis, and presents the relation of MT with plant hormones, like auxin, cytokinin, ethylene, gibberellins, abscisic acid, jasmonic, and salicylic acid, and highlights the effect of postharvest application of MT on physiology and quality of fruits, action mechanisms, and safety regulations of MT. Recent trends focus on using alternatives that are safe for postharvest produce and do not have major side effects. MT is a better alternative to hazardous chemicals being commercially used in the postharvest management of fruits and providing future directions for its utilization.

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Section: Mt and The Regulation Of Epigenetic Machinery Regulating Pos...mentioning

confidence: 99%

Effect of exogenous melatonin in fruit postharvest, crosstalk with hormones, and defense mechanism for oxidative stress management

2022

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“…In recent years, melatonin as a signal and antioxidant molecule has been shown to play a role in the ripening of fruit 26 – 28 . Fruit treated with 10 μM melatonin showed lower anthocyanin content than control.…”

Section: Discussionmentioning

confidence: 99%

Exogenous melatonin delays strawberry fruit ripening by suppressing endogenous ABA signaling

Mansouri,

Koushesh Saba,

Sarikhani

2023

Sci Rep

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Ripening as a physico-chemical change is part of a continuous developmental process and hormones play a major role in this processes. The present study was carried out to investigate the effect of external melatonin (0 and 10 μM) injection at the light green stage on the ripening of strawberry fruit. The fruit was sampled for morphological, biochemical, and gene expression analysis during (0, 5, 10, and 15 days after treatment). The results showed a lower accumulation of anthocyanin content was observed in fruits treated with 10 μM. The injection of 10 μM melatonin caused a lower total soluble solid content and fruit color, and higher titratable acidity and softening. The total phenol content was higher in fruit treated with 10 µM melatonin, accompanied by increased PAL enzyme activity and gene expression, increased DPPH scavenging capacity, and higher content of quercetin, gallic, caffeic, and chlorogenic acids. The delay in fruit ripening was associated with suppression of H2O2 level and endogenous ABA accumulation caused by lower expression of NCEDs genes. In general, it is concluded that activating the melatonin ROS scavenging cascade might be responsible for the delayed ripening and development of strawberry fruit. Therefore, our study demonstrates that the exogenous application of 10 μM melatonin can slow the ripening of strawberry fruit.

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“…Similarly, the exogenous application of NO to tomato at the pre-climacteric stage suppressed the activity of antioxidant enzymes, increased protein S -nitrosation and nitration, and favored the accumulation of ascorbate and flavonoids ( Zuccarelli et al , 2021 ). Recently, it has been shown that melatonin exerts an epigenetic regulation through DNA methylation of ethylene signaling genes, which promotes the ripening of tomato fruit during postharvest storage ( Shan et al , 2022 ). This observation suggests a scenario to be addressed in future investigations.…”

Section: Crosstalk Among Melatonin H 2 O ...mentioning

confidence: 99%

Interactions of melatonin, reactive oxygen species, and nitric oxide during fruit ripening: an update and prospective view

Corpas

Rodríguez-Ruiz

Muñoz‐Vargas

et al. 2022

Journal of Experimental Botany

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Fruit ripening is a physiological process that involves a complex network of signaling molecules that act as switches to activate or deactivate certain metabolic pathways at different levels, not only regulating the gene and protein expression but also through post-translational modifications (PTMs) of the involved proteins. Ethylene is the distinctive molecule that regulates the ripening of fruits, thus allowing their classification as climacteric and non-climacteric, according to their dependence or not of this phytohormone, respectively. However, in recent years it has been found that other molecules with signaling potential also exert regulatory roles not only by individually, but also due to the interactions among them. This implies mutual and hierarchical regulations that sometimes make it difficult to identify the initial triggering event. Among these “new” molecules, hydrogen peroxide (H2O2), nitric oxide (NO), and melatonin are highlighted. This review provides a comprehensive outline of the relevance of these molecules in the fruit ripening process and the complex network of the known interactions among them.

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DNA methylation mediated by melatonin was involved in ethylene signal transmission and ripening of tomato fruit

Cited by 25 publications

References 58 publications

Effect of exogenous melatonin in fruit postharvest, crosstalk with hormones, and defense mechanism for oxidative stress management

Effect of exogenous melatonin in fruit postharvest, crosstalk with hormones, and defense mechanism for oxidative stress management

Exogenous melatonin delays strawberry fruit ripening by suppressing endogenous ABA signaling

Interactions of melatonin, reactive oxygen species, and nitric oxide during fruit ripening: an update and prospective view

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