Exogenous melatonin ameliorates chilling injury in cut anthurium flowers during low temperature storage

Aghdam, Morteza Soleimani; Jannatizadeh, Abbasali; Nojadeh, Mohsen Sabzi; Ebrahimzadeh, Asghar

doi:10.1016/j.postharvbio.2018.11.008

Cited by 66 publications

(21 citation statements)

References 35 publications

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“…Melatonin (N-acetyl-5-methoxytryptamine) is a pleiotropic molecule ubiquitously distributed in diverse kingdoms, covering bacteria, insects, animals, and plants [16]. Melatonin in plants has been reported to play important roles in regulating multiple cellular and physiological activities, including improvement of seed vigor and germination [17], alleviation of leaf senescence [18], acceleration of growth, flowering and development [19], and resistance to stress conditions such as heavy metal, drought, chilling, and salinity [20][21][22][23]. As an endogenous scavenger and antioxidant, melatonin can directly remove excess ROS based on its extremely strong scavenging capacity [24].…”

Section: Introductionmentioning

confidence: 99%

Melatonin Priming Alleviates Aging-Induced Germination Inhibition by Regulating β-oxidation, Protein Translation, and Antioxidant Metabolism in Oat (Avena sativa L.) Seeds

Yan

Jia

Mao

2020

IJMS

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Although melatonin has been reported to play an important role in regulating metabolic events under adverse stresses, its underlying mechanisms on germination in aged seeds remain unclear. This study was conducted to investigate the effect of melatonin priming (MP) on embryos of aged oat seeds in relation to germination, ultrastructural changes, antioxidant responses, and protein profiles. Proteomic analysis revealed, in total, 402 differentially expressed proteins (DEPs) in normal, aged, and aged + MP embryos. The downregulated DEPs in aged embryos were enriched in sucrose metabolism, glycolysis, β-oxidation of lipid, and protein synthesis. MP (200 μM) turned four downregulated DEPs into upregulated DEPs, among which, especially 3-ketoacyl-CoA thiolase-like protein (KATLP) involved in the β-oxidation pathway played a key role in maintaining TCA cycle stability and providing more energy for protein translation. Furthermore, it was found that MP enhanced antioxidant capacity in the ascorbate-glutathione (AsA-GSH) system, declined reactive oxygen species (ROS), and improved cell ultrastructure. These results indicated that the impaired germination and seedling growth of aged seeds could be rescued to a certain level by melatonin, predominantly depending on β-oxidation, protein translation, and antioxidant protection of AsA-GSH. This work reveals new insights into melatonin-mediated mechanisms from protein profiles that occur in embryos of oat seeds processed by both aging and priming.

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Section: Introductionmentioning

confidence: 99%

Melatonin Priming Alleviates Aging-Induced Germination Inhibition by Regulating β-oxidation, Protein Translation, and Antioxidant Metabolism in Oat (Avena sativa L.) Seeds

Yan

Jia

Mao

2020

IJMS

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“…The result in the current research showed that the MT–ethanol treatment led to a lower ion leakage and MDA content compared with the control, which may be associated with the avoidance of ROS accumulation. A previous study had reported that the accumulation of reactive oxygen may be induced by membrane integrity loss and membrane lipid peroxidation [ 23 ]. Shao et al [ 31 ] found that the pericarp browning of wampee fruit treated with ethanol was effectively restrained, which may be related to the cell membrane protection caused by the ethanol-induced decrease in MDA content.…”

Section: Discussionmentioning

confidence: 99%

“…MDA content was determined by the thiobarbituric acid method [ 23 ]. Fruit tissue (1.0 g) was homogenized in the icy water bath with 5.0 mL of 100 g L −1 trichloroacetic acid (TCA) solution and then centrifuged.…”

Section: Methodsmentioning

confidence: 99%

A Combination of Melatonin and Ethanol Treatment Improves Postharvest Quality in Bitter Melon Fruit

Lin

Wang

Hou

et al. 2020

Foods

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Central composite design (CCD), utilized with three independent variables, verified that the optimal treatment conditions in bitter melon fruit were melatonin (MT) concentration of 120 µmol L−1, ethanol concentration of 6%, and immersing time of 10 min. Under optimal conditions, the experimental values of firmness, chilling injury (CI) index, and weight loss were shown as 27.81 N, 65.625%, and 0.815%, respectively. Moreover, the combined effect of MT and ethanol on CI and physiological quality in postharvest bitter melon fruit stored at 4 °C was investigated. It was found that the combined treatment contributed to the reduced CI symptoms and inhibited ion leakage and malondialdehyde (MDA) accumulation. Moreover, higher levels of chlorophyll, total soluble solids (TSSs), soluble sugar, soluble protein, and ascorbic acid (AsA) were observed in comparison with the control group. Furthermore, the synthesis of total phenols and flavonoids in bitter melon was greatly promoted. Therefore, the combination of MT and ethanol could have the potential for alleviating CI and maintaining postharvest quality for the duration of cold storage.

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“…Similar to its effects in the context of other stress factors, exogenous melatonin application can alleviate cold damage through the activation of antioxidant enzymes, as well as reductions of both ROS accumulation and lipid peroxidation ( Hu et al, 2016 ). For example, cut flowers treated with melatonin had lower H 2 O 2 concentrations and increased 2,2-diphenyl-1-picrylhydrazyl (DPPH) scavenging capacity under cold stress than did untreated flowers ( Aghdam et al, 2019 ). Chilling tolerance in tomato increases because of arginine-dependent NO accumulation after melatonin treatment.…”

Section: Roles Of Melatonin In Plant Abiotic Stress Responsesmentioning

confidence: 99%

Melatonin-Mediated Abiotic Stress Tolerance in Plants

Zeng

Mostafa

et al. 2022

Front. Plant Sci.

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Melatonin is a multi-functional molecule that is ubiquitous in all living organisms. Melatonin performs essential roles in plant stress tolerance; its application can reduce the harmful effects of abiotic stresses. Plant melatonin biosynthesis, which usually occurs within chloroplasts, and its related metabolic pathways have been extensively characterized. Melatonin regulates plant stress responses by directly inhibiting the accumulation of reactive oxygen and nitrogen species, and by indirectly affecting stress response pathways. In this review, we summarize recent research concerning melatonin biosynthesis, metabolism, and antioxidation; we focus on melatonin-mediated tolerance to abiotic stresses including drought, waterlogging, salt, heat, cold, heavy metal toxicity, light and others. We also examine exogenous melatonin treatment in plants under abiotic stress. Finally, we discuss future perspectives in melatonin research and its applications in plants.

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Exogenous melatonin ameliorates chilling injury in cut anthurium flowers during low temperature storage

Cited by 66 publications

References 35 publications

Melatonin Priming Alleviates Aging-Induced Germination Inhibition by Regulating β-oxidation, Protein Translation, and Antioxidant Metabolism in Oat (Avena sativa L.) Seeds

Melatonin Priming Alleviates Aging-Induced Germination Inhibition by Regulating β-oxidation, Protein Translation, and Antioxidant Metabolism in Oat (Avena sativa L.) Seeds

A Combination of Melatonin and Ethanol Treatment Improves Postharvest Quality in Bitter Melon Fruit

Melatonin-Mediated Abiotic Stress Tolerance in Plants

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