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Melatonin: A New Plant Hormone and/or a Plant Master Regulator?

Arnao, Marino B., Hernández-Ruiz, Josefa·2019·Trends in Plant Science

Abstract

Melatonin is a pleiotropic molecule with many diverse actions in plants. It is considered primarily an antioxidant with important actions in the control of reactive oxygen and nitrogen species (ROS and RNS), among other free radicals, and harmful oxidative molecules present in plant cells. In addition, plant melatonin is involved in multiple physiological actions, such as growth, rooting, seed germination, photosynthesis, and protection against abiotic and/or biotic stressors. The recent identification of the first plant melatonin receptor opened the door to this regulatory molecule being considered a new plant hormone. However, due to the diversity of its actions, melatonin has also been proposed as a plant master regulator. Here, we discuss the most recent data in respect to both perspectives.

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Metadata

Authors
Arnao, M. B., & Hernández-Ruiz, J.
Venue
Trends in Plant Science
Publisher
Elsevier BV
Published
2019-01
Volume
24
Issue
1
Pages
38-48
ISSN
1360-1385 (ISSN-L)
OpenAlex
W2900804561
Cited by
901
References
0
FWCI
7.62
Type
journal article
Language
en
Open access
closed

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Arnao, M. B., & Hernández-Ruiz, J. (2019). Melatonin: A New Plant Hormone and/or a Plant Master Regulator? Trends in Plant Science. https://doi.org/10.1016/j.tplants.2018.10.010

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