Functional roles of melatonin in plants, and perspectives in nutritional and agricultural science.

@article{Tan2012FunctionalRO,
  title={Functional roles of melatonin in plants, and perspectives in nutritional and agricultural science.},
  author={Dun‐xian Tan and R{\"u}diger Hardeland and Lucien C. Manchester and Ahmet Şeref Korkmaz and Shuran Ma and Sergio A. Rosales-Corral and Russel Joseph Reiter},
  journal={Journal of experimental botany},
  year={2012},
  volume={63 2},
  pages={
          577-97
        }
}
The presence of melatonin in plants is universal. Evidence has confirmed that a major portion of the melatonin is synthesized by plants themselves even though a homologue of the classic arylalkylamine N-acetyltransferase (AANAT) has not been identified as yet in plants. Thus, the serotonin N-acetylating enzyme in plants may differ greatly from the animal AANAT with regard to sequence and structure. This would imply multiple evolutionary origins of enzymes with these catalytic properties. A… Expand
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Functions of melatonin in plants: a review
TLDR
The multiple changes in gene expression caused by melatonin point to its role as a multiregulatory molecule capable of coordinating many aspects of plant development, suggesting that melatonin is an excellent prospect for crop improvement. Expand
Melatonin: A Multifunctional Factor in Plants
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The biosynthesis pathway, growth and development regulation, and the environment stress response ofmelatonin in plants are summarized and future research directions and priorities of melatonin in animals and plants are speculated. Expand
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The content of melatonin in plant-derived foods and the factors that influence melatonin levels are summarized to provide new ideas on enhancement and consuming foods containing higher concentrations of tryptophan and melatonin is suggested. Expand
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This review has identified many new aspects where melatonin may have possible roles in plants, for example, its function in improving the storage life and quality of fruits and vegetables, its role in vascular reconnection during the grafting process and nutrient uptake from roots by modifying root architecture. Expand
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Plant melatonin appears to have developed a type of hormonal function, similar to that observed for other plant hormones, such as auxin, to induce growth in stems and stimulate rooting and to delay senescence by protecting photosynthetic systems and processes. Expand
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Melatonin is a natural bio-stimulant that creates resistance in field crops against various abiotic stress, including heat, chemical pollutants, cold, drought, salinity, and harmful ultra-violet radiation. Expand
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TLDR
It is shown that exogenous MEL applied into the seeds could be a good biostimulator improving not only seed germination, seedling/plant growth but also crop production especially under stress conditions and it is believed that this compound can increase food quality and may improve human health. Expand
Melatonin and plants
  • D. Tan
  • Biology
  • Journal of Experimental Botany
  • 2015
TLDR
This issue of the Journal of Experimental Botany reviews, mainly from an evolutionary point of view, the occurrence and functions of melatonin in phototrophs, and the place that melatonin deserves in the network of phytohormones. Expand
Melatonin, an underestimated natural substance with great potential for agricultural application
TLDR
Exogenous MEL applied into the seeds could be a good biostimulator improving not only seed germination, seedling/plant growth but also crop production especially under stress conditions and it is believed that this compound can increase food quality and may improve human health. Expand
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