Crosstalk between melatonin and reactive oxygen species in fruits and vegetables post-harvest preservation: An update DOI Creative Commons
Na Li, Kefeng Zhai, Qin Yin

et al.

Frontiers in Nutrition, Journal Year: 2023, Volume and Issue: 10

Published: March 3, 2023

Fruits and vegetables contain numerous nutrients, such as vitamins, minerals, phenolic compounds, dietary fibers. They reduce the incidence of cardiovascular diseases risk certain chronic diseases, improve antioxidant anti-inflammatory capacity. Moreover, melatonin was found in various fruits species. Melatonin acts a multifunctional compound to participate physiological processes. In recent years, many advances have been that is also appraised key modulator on post-harvest preservation. usually elicit reactive oxygen species (ROS) generation accumulation. Excess ROS stimulate cell damage, protein structure destruction, tissue aging, thereby reducing their quality. Numerous studies find exogenous application modulates homeostasis by regulating enzymes non-enzymatic antioxidants systems. Further evidences reveal often interacts with hormones other signaling molecules, ROS, nitric oxide (NO), hydrogen sulfide (H 2 S), etc. Among these ‘new’ crosstalks especially H O produced RBOHs, are provided preservation this review. It will provide reference for complicated integration both signal molecules future study.

Language: Английский

Phytomelatonin: A key regulator of redox and phytohormones signaling against biotic/abiotic stresses DOI Creative Commons
Shoaib Khan, Sulaiman Ahmed,

Aziz ul Ikram

et al.

Redox Biology, Journal Year: 2023, Volume and Issue: 64, P. 102805 - 102805

Published: June 30, 2023

Plants being sessile in nature, are exposed to unwarranted threats as a result of constantly changing environmental conditions. These adverse factors can have negative impacts on their growth, development, and yield. Hormones key signaling molecules enabling cells respond rapidly different external internal stimuli. In plants, melatonin (MT) plays critical role the integration various signals activation stress-response networks develop defense mechanisms plant resilience. Additionally, tackle stress-induced alteration cellular redox equilibrium by regulating expression hemostasis-related genes proteins. The purpose this article is compile summarize scientific research pertaining MT's effects plants' resilience biotic abiotic stresses. Here, we summarized that MT exerts synergistic effect with other phytohormones, for instance, ethylene, jasmonic acid, salicylic activates defense-related against phytopathogens. Furthermore, interacts secondary messengers like Ca2+, nitric oxide, reactive oxygen species regulate network. This interaction triggers transcription alleviate stress-related responses plants. Hence, synergic diverse hormones demonstrates phytomelatonin's importance influencing multiple contribute harsh factors.

Language: Английский

Citations

44
Hydrogen sulfide mechanism of action in plants; from interaction with regulatory molecules to persulfidation of proteins DOI

Shirin Mohammadbagherlou,

Elaheh Samari,

Mostafa Sagharyan

et al.

Nitric Oxide, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 1, 2025

Language: Английский

Citations

2
Functions of Melatonin during Postharvest of Horticultural Crops DOI
Morteza Soleimani Aghdam, Soumya Mukherjee, Francisco Pardo

et al.

Plant and Cell Physiology, Journal Year: 2021, Volume and Issue: 63(12), P. 1764 - 1786

Published: Dec. 14, 2021

Melatonin, a tryptophan-derived molecule, is endogenously generated in animal, plant, fungal and prokaryotic cells. Given its antioxidant properties, it involved myriad of signaling functions associated with various aspects plant growth development. In higher plants, melatonin (Mel) interacts regulators such as phytohormones, well reactive oxygen nitrogen species including hydrogen peroxide (H2O2), nitric oxide (NO) sulfide (H2S). It shows great potential biotechnological tool to alleviate biotic abiotic stress, delay senescence conserve the sensory nutritional quality postharvest horticultural products which are considerable economic importance worldwide. This review provides comprehensive overview biochemistry Mel, whose endogenous induction exogenous application can play an important role enhancing marketability hence earnings from crops.

Language: Английский

Citations

74
Melatonin Confers Plant Cadmium Tolerance: An Update DOI Open Access
Quan Gu, Chuyan Wang, Qingqing Xiao

et al.

International Journal of Molecular Sciences, Journal Year: 2021, Volume and Issue: 22(21), P. 11704 - 11704

Published: Oct. 28, 2021

Cadmium (Cd) is one of the most injurious heavy metals, affecting plant growth and development. Melatonin (N-acetyl-5-methoxytryptamine) was discovered in plants 1995, it since known to act as a multifunctional molecule alleviate abiotic biotic stresses, especially Cd stress. Endogenously triggered or exogenously applied melatonin re-establishes redox homeostasis by improvement antioxidant defense system. It can also affect transportation sequestration regulating transcripts genes related major metal transport system, well increase glutathione (GSH) phytochelatins (PCs). activates several downstream signals, such nitric oxide (NO), hydrogen peroxide (H2O2), salicylic acid (SA), which are required for tolerance. Similar physiological functions NO, sulfide (H2S) involved stress-related processes plants. Moreover, exogenous induces H2S generation under salinity heat However, involvement action melatonin-induced tolerance still largely unknown. In this review, we summarize progresses various molecular mechanisms regulated The complex interactions between acquisition stress discussed.

Language: Английский

Citations

67
Crosstalk between Melatonin and Reactive Oxygen Species in Plant Abiotic Stress Responses: An Update DOI Open Access
Quan Gu, Qingqing Xiao, Ziping Chen

et al.

International Journal of Molecular Sciences, Journal Year: 2022, Volume and Issue: 23(10), P. 5666 - 5666

Published: May 18, 2022

Melatonin acts as a multifunctional molecule that takes part in various physiological processes, especially the protection against abiotic stresses, such salinity, drought, heat, cold, heavy metals, etc. These stresses typically elicit reactive oxygen species (ROS) accumulation. Excessive ROS induce oxidative stress and decrease crop growth productivity. Significant advances melatonin initiate complex antioxidant system modulates homeostasis plants. Numerous evidences further reveal often cooperates with other signaling molecules, ROS, nitric oxide (NO), hydrogen sulfide (H2S). The interaction among melatonin, NO, H2S, orchestrates responses to via networks, thus conferring plant tolerance. In this review, we summarize roles of establishing redox through current progress interactions higher stresses. We highlight vital role respiratory burst oxidase homologs (RBOHs) during these processes. complicated integration occurs between plants is also discussed.

Language: Английский

Citations

64
Interactions of melatonin, reactive oxygen species, and nitric oxide during fruit ripening: an update and prospective view DOI Creative Commons
Francisco J. Corpas, Marta Rodríguez-Ruiz, María A. Muñoz‐Vargas

et al.

Journal of Experimental Botany, Journal Year: 2022, Volume and Issue: 73(17), P. 5947 - 5960

Published: March 23, 2022

Fruit ripening is a physiological process that involves complex network of signaling molecules act as switches to activate or deactivate certain metabolic pathways at different levels, not only by regulating gene and protein expression but also through post-translational modifications the involved proteins. Ethylene distinctive molecule regulates fruits, which can be classified climacteric non-climacteric according whether not, respectively, they are dependent on this phytohormone. However, in recent years it has been found other with potential exert regulatory roles, individually result interactions among them. These observations imply existence mutual hierarchical regulations sometimes make difficult identify initial triggering event. Among these 'new' molecules, hydrogen peroxide, nitric oxide, melatonin have highlighted prominent. This review provides comprehensive outline relevance fruit known

Language: Английский

Citations

52
Melatonin-mediated endogenous nitric oxide coordinately boosts stability through proline and nitrogen metabolism, antioxidant capacity, and Na+/K+ transporters in tomato under NaCl stress DOI Creative Commons
Abazar Ghorbani, Leila Pishkar,

Kobra Valed Saravi

et al.

Frontiers in Plant Science, Journal Year: 2023, Volume and Issue: 14

Published: March 13, 2023

The interactions between nitric oxide (NO) and melatonin in alleviating sodium chloride (NaCl) toxicity plants are poorly comprehended. Here, the associations exogenous application of endogenous NO levels inducing tomato seedlings' defense response during NaCl were investigated. results indicated that (150 μM) increased height (23.7%) biomass (32.2%), improved chlorophyll (a (137%) b (92.8%)), proline metabolisms, reduced contents superoxide anion radicals (49.6%), hydrogen peroxide (31.4%), malondialdehyde (38%), electrolyte leakage (32.6%) 40-day-old seedlings grown under mM) treatment. Melatonin antioxidant system NaCl-stressed by increasing activity enzymes. also N metabolism content upregulating enzymes implicated assimilation. Furthermore, ionic balance Na NaCl-exposed expression genes involved K/Na ratio homeostasis (NHX1-4) accumulation mineral nutrients (P, N, Ca, Mg). However, addition cPTIO (100 μM; an scavenger) reversed beneficial impacts melatonin, indicating effective function melatonin-induced mechanisms seedlings. Therefore, our revealed improves tolerance mediating internal NO.

Language: Английский

Citations

37
Melatonin involves hydrogen sulfide in the regulation of H+-ATPase activity, nitrogen metabolism, and ascorbate-glutathione system under chromium toxicity DOI
M. Nasir Khan, Manzer H. Siddiqui, Soumya Mukherjee

et al.

Environmental Pollution, Journal Year: 2023, Volume and Issue: 323, P. 121173 - 121173

Published: Feb. 3, 2023

Language: Английский

Citations

27
Melatonin enhances vase life and alters physiological responses in peony (Paeonia lactiflora Pall.) cut flowers DOI
Yuxuan Wang, Xiaofei Liu,

Miao Sun

et al.

Postharvest Biology and Technology, Journal Year: 2024, Volume and Issue: 212, P. 112896 - 112896

Published: March 16, 2024

Language: Английский

Citations

15
Effect of exogenous melatonin in fruit postharvest, crosstalk with hormones, and defense mechanism for oxidative stress management DOI Creative Commons
Hansika Sati,

Aparna Khandelwal,

Sunil Pareek

et al.

Food Frontiers, Journal Year: 2022, Volume and Issue: 4(1), P. 233 - 261

Published: Oct. 20, 2022

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

Language: Английский

Citations

35