Hormônio vegetal melatonina: principais atributos e importância para as plantas

Thaynná dos Santos Nascimento; Ellen de Moura Vale; Mara de Menezes de Assis Gomes

doi:10.70782/heringeriana.v20i1.918079

Authors

Thaynná dos Santos Nascimento Setor de Fisiologia Vegetal, Laboratório de Melhoramento Genético Vegetal, UENF https://orcid.org/0009-0006-3472-9723
Ellen de Moura Vale Setor de Fisiologia Vegetal, Laboratório de Melhoramento Genético Vegetal, UENF https://orcid.org/0000-0002-2688-4575
Mara de Menezes de Assis Gomes Setor de Fisiologia Vegetal, Laboratório de Melhoramento Genético Vegetal, UENF https://orcid.org/0000-0002-9204-1883

DOI:

https://doi.org/10.70782/heringeriana.v20i1.918079

Keywords:

exogenous melatonin, melatonin in plants, phytomelatonin, phytohormone

Abstract

Melatonin is a molecule derived from tryptophan present in several organisms including plants. In plants it plays an essential role influencing crucial processes such as growth, development and response to biotic and abiotic stresses. Melatonin interacts with other phytohormones contributing to their regulation and acts as a potent antioxidant eliminating reactive species of oxygen and nitrogen. Besides, recent studies indicate the promising use of exogenous melatonin to increase the post-harvest shelf life of fruits and vegetables, ensuring quality and more environmentally friendly products. This review aims to summarize the main characteristics of melatonin in plants and highlight its importance, thereby providing a reference resource in Portuguese for students. In addition, it seeks to encourage further research and the inclusion of this topic in the curriculum of courses such as Plant Physiology at universities.

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