Melatonin delays leaf senescence and improves cucumber yield by modulating chlorophyll degradation and photoinhibition of PSII and PSI

Liu, Kun; Jing, Tongtong; Wang, Yanan; Ai, Xizhen; Bi, Huangai

doi:10.1016/j.envexpbot.2022.104915

Cited by 29 publications

(18 citation statements)

References 64 publications

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“…68 Overexpression of CsASMT suppressed leaf senescence and then promoted cucumber growth and yield. 124 ASMT gene family played diverse role in pepper, among them CaASMT01/12/15 mainly involved in flower development, and CaASMT07/16 mediated the formation and maturity of pepper pericarp. 78 According to the phylogenetic analysis, ASMT from rice showed a close relationship with that of maize and wheat, which demonstrated that ASMT could improve cereal yield by regulating flower formation and development, and delaying plant senescence.…”

Section: Plant Growth and Developmentmentioning

confidence: 99%

“…[133][134][135] CsASMT and OsSNAT1 overexpression suppressed leaf senescence and improved yield by regulating chlorophyll-degradation genes, stomatal aperture, and photoinhibition of PSII and PSI. 47,124 Melatonin is an antioxidant with important actions in the control of ROS and RNS. To maintain seed viability and germination, melatonin regulated the antioxidant system, including increased antioxidant enzymes activity (SOD, POD, and CAT) and the expression of antioxidant genes (POD, CAT, Cu-ZnSOD, and Fe-ZnSOD).…”

Section: Plant Growth and Developmentmentioning

confidence: 99%

“…GmASMT had a significant role in cotyledonary embryo development and seed maturation 68 . Overexpression of CsASMT suppressed leaf senescence and then promoted cucumber growth and yield 124 . ASMT gene family played diverse role in pepper, among them CaASMT01 / 12 / 15 mainly involved in flower development, and CaASMT07/16 mediated the formation and maturity of pepper pericarp 78 .…”

Section: Melatonin Biosynthesismentioning

confidence: 99%

“…SlTDC/T5H and FaTDC / T5H mediated the ripening of tomato and strawberry fruit due to the accumulation of serotonin and its interaction with ethylene, ABA, and GMMYB 133–135 . CsASMT and OsSNAT1 overexpression suppressed leaf senescence and improved yield by regulating chlorophyll‐degradation genes, stomatal aperture, and photoinhibition of PSII and PSI 47,124 . Melatonin is an antioxidant with important actions in the control of ROS and RNS.…”

Section: Melatonin Biosynthesismentioning

confidence: 99%

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Genetic and evolutionary dissection of melatonin response signaling facilitates the regulation of plant growth and stress responses

Gao

Chen

et al. 2023

Journal of Pineal Research

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The expansion of gene families during evolution could generate functional diversity among their members to regulate plant growth and development. Melatonin, a phylogenetically ancient molecule, is vital for many aspects of a plant's life. Understanding the functional diversity of the molecular players involved in melatonin biosynthesis, signaling, and metabolism will facilitate the regulation of plant phenotypes. However, the molecular mechanism of melatonin response signaling elements in regulating this network still has many challenges. Here, we provide an in‐depth analysis of the functional diversity and evolution of molecular components in melatonin signaling pathway. Genetic analysis of multiple mutants in plant species will shed light on the role of gene families in melatonin regulatory pathways. Phylogenetic analysis of these genes was performed, which will facilitate the identification of melatonin‐related genes for future study. Based on the abovementioned signal networks, the mechanism of these genes was summarized to provide reference for studying the regulatory mechanism of melatonin in plant phenotypes. We hope that this work will facilitate melatonin research in higher plants and finely tuned spatio‐temporal regulation of melatonin signaling.

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Section: Plant Growth and Developmentmentioning

confidence: 99%

Section: Plant Growth and Developmentmentioning

confidence: 99%

Section: Melatonin Biosynthesismentioning

confidence: 99%

Section: Melatonin Biosynthesismentioning

confidence: 99%

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Genetic and evolutionary dissection of melatonin response signaling facilitates the regulation of plant growth and stress responses

Gao

Chen

et al. 2023

Journal of Pineal Research

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“…MT delays leaf aging, reduces the rate of decline in chlorophyll, and promotes photosynthesis. This condition speeds up the growth of cucumbers and increases yield ( Liu et al., 2022a ). In Chinese cabbage leaf senescence, ET reactive factor (ERF) works in conjunction with JA.…”

Section: Leaf Senescence and Horticultural Plant Yieldmentioning

confidence: 99%

Research progress on the relationship between leaf senescence and quality, yield and stress resistance in horticultural plants

Zhao

Wang

et al. 2022

Front. Plant Sci.

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Leaf senescence, the final stage of leaf development, is one of the adaptive mechanisms formed by plants over a long period of evolution. Leaf senescence is accompanied by various changes in cell structure, physiological metabolism, and gene expressions. This process is controlled by a variety of internal and external factors. Meanwhile, the genes and plant hormones involved in leaf aging affect the quality, yield and stress resistance in horticultural plants. Leaf senescence mediated by plant hormones affected plant quality at both pre-harvest and post-harvest stages. Exogenous plant growth regulators or plant hormone inhibitors has been applied to delay leaf senescence. Modification of related gene expression by over-expression or antisense inhibition could delay or accelerate leaf senescence, and thus influence quality. Environmental factors such as light, temperature and water status also trigger or delay leaf senescence. Delaying leaf senescence could increase chloroplast lifespan and photosynthesis and thus improve source strength, leading to enhanced yield. Accelerating leaf senescence promotes nutrient redistribution from old leaves into young leaves, and may raise yield under certain circumstances. Many genes and transcriptional factors involved in leaf senescence are associated with responses to abiotic and biotic stresses. WRKY transcriptional factors play a vital role in this process and they could interact with JA signalling. This review summarized how genes, plant hormones and environmental factors affect the quality, yield. Besides, the regulation of leaf senescence holds great promise to improving the resistance to plant biotic and abiotic stresses.

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Hydrogen peroxide mediates melatonin-induced chilling tolerance in cucumber seedlings

Meng,

Feng,

Zhao

et al. 2024

Plant Cell Rep

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Melatonin delays leaf senescence and improves cucumber yield by modulating chlorophyll degradation and photoinhibition of PSII and PSI

Cited by 29 publications

References 64 publications

Genetic and evolutionary dissection of melatonin response signaling facilitates the regulation of plant growth and stress responses

Genetic and evolutionary dissection of melatonin response signaling facilitates the regulation of plant growth and stress responses

Research progress on the relationship between leaf senescence and quality, yield and stress resistance in horticultural plants

Hydrogen peroxide mediates melatonin-induced chilling tolerance in cucumber seedlings

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