The role of melatonin in plant growth and metabolism, and its interplay with nitric oxide and auxin in plants under different types of abiotic stress

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Abstract

Melatonin is a pleiotropic signaling molecule that reduces the adverse effects of abiotic stresses, and enhances the growth and physiological function of many plant species. Several recent studies have demonstrated the pivotal role of melatonin in plant functions, specifically its regulation of crop growth and yield. However, a comprehensive understanding of melatonin, which regulates crop growth and yield under abiotic stress conditions, is not yet available. This review focuses on the progress of research on the biosynthesis, distribution, and metabolism of melatonin, and its multiple complex functions in plants and its role in the mechanisms of metabolism regulation in plants grown under abiotic stresses. In this review, we focused on the pivotal role of melatonin in the enhancement of plant growth and regulation of crop yield, and elucidated its interactions with nitric oxide (NO) and auxin (IAA, indole-3-acetic acid) when plants are grown under various abiotic stresses. The present review revealed that the endogenousapplication of melatonin to plants, and its interactions with NO and IAA, enhanced plant growth and yield under various abiotic stresses. The interaction of melatonin with NO regulated plant morphophysiological and biochemical activities, mediated by the G protein-coupled receptor and synthesis genes. The interaction of melatonin with IAA enhanced plant growth and physiological function by increasing the levels of IAA, synthesis, and polar transport. Our aim was to provide a comprehensive review of the performance of melatonin under various abiotic stresses, and, therefore, further explicate the mechanisms that plant hormones use to regulate plant growth and yield under abiotic stresses.

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Reactive Oxygen Species and Antioxidant Defense in Plants under Abiotic Stress: Revisiting the Crucial Role of a Universal Defense Regulator

Mirza Hasanuzzaman, M.H.M. Borhannuddin Bhuyan, Faisal Zulfiqar … (2020)

Global climate change and associated adverse abiotic stress conditions, such as drought, salinity, heavy metals, waterlogging, extreme temperatures, oxygen deprivation, etc., greatly influence plant growth and development, ultimately affecting crop yield and quality, as well as agricultural sustainability in general. Plant cells produce oxygen radicals and their derivatives, so-called reactive oxygen species (ROS), during various processes associated with abiotic stress. Moreover, the generation of ROS is a fundamental process in higher plants and employs to transmit cellular signaling information in response to the changing environmental conditions. One of the most crucial consequences of abiotic stress is the disturbance of the equilibrium between the generation of ROS and antioxidant defense systems triggering the excessive accumulation of ROS and inducing oxidative stress in plants. Notably, the equilibrium between the detoxification and generation of ROS is maintained by both enzymatic and nonenzymatic antioxidant defense systems under harsh environmental stresses. Although this field of research has attracted massive interest, it largely remains unexplored, and our understanding of ROS signaling remains poorly understood. In this review, we have documented the recent advancement illustrating the harmful effects of ROS, antioxidant defense system involved in ROS detoxification under different abiotic stresses, and molecular cross-talk with other important signal molecules such as reactive nitrogen, sulfur, and carbonyl species. In addition, state-of-the-art molecular approaches of ROS-mediated improvement in plant antioxidant defense during the acclimation process against abiotic stresses have also been discussed.

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Relationships between leaf chlorophyll content and spectral reflectance and algorithms for non-destructive chlorophyll assessment in higher plant leaves.

Anatoly A Gitelson, Yuri Gritz, Mark N. Merzlyak (2003)

Leaf chlorophyll content provides valuable information about physiological status of plants. Reflectance measurement makes it possible to quickly and non-destructively assess, in situ, the chlorophyll content in leaves. Our objective was to investigate the spectral behavior of the relationship between reflectance and chlorophyll content and to develop a technique for non-destructive chlorophyll estimation in leaves with a wide range of pigment content and composition using reflectance in a few broad spectral bands. Spectral reflectance of maple, chestnut, wild vine and beech leaves in a wide range of pigment content and composition was investigated. It was shown that reciprocal reflectance (R lambda)-1 in the spectral range lambda from 520 to 550 nm and 695 to 705 nm related closely to the total chlorophyll content in leaves of all species. Subtraction of near infra-red reciprocal reflectance, (RNIR)-1, from (R lambda)-1 made index [(R lambda)(-1)-(RNIR)-1] linearly proportional to the total chlorophyll content in spectral ranges lambda from 525 to 555 nm and from 695 to 725 nm with coefficient of determination r2 > 0.94. To adjust for differences in leaf structure, the product of the latter index and NIR reflectance [(R lambda)(-1)-(RNIR)-1]*(RNIR) was used; this further increased the accuracy of the chlorophyll estimation in the range lambda from 520 to 585 nm and from 695 to 740 nm. Two independent data sets were used to validate the developed algorithms. The root mean square error of the chlorophyll prediction did not exceed 50 mumol/m2 in leaves with total chlorophyll ranged from 1 to 830 mumol/m2.

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Salicylic acid-induced abiotic stress tolerance and underlying mechanisms in plants

M Khan, Mehar Fatma, Tasir Per … (2015)

Abiotic stresses (such as metals/metalloids, salinity, ozone, UV-B radiation, extreme temperatures, and drought) are among the most challenging threats to agricultural system and economic yield of crop plants. These stresses (in isolation and/or combination) induce numerous adverse effects in plants, impair biochemical/physiological and molecular processes, and eventually cause severe reductions in plant growth, development and overall productivity. Phytohormones have been recognized as a strong tool for sustainably alleviating adverse effects of abiotic stresses in crop plants. In particular, the significance of salicylic acid (SA) has been increasingly recognized in improved plant abiotic stress-tolerance via SA-mediated control of major plant-metabolic processes. However, the basic biochemical/physiological and molecular mechanisms that potentially underpin SA-induced plant-tolerance to major abiotic stresses remain least discussed. Based on recent reports, this paper: (a) overviews historical background and biosynthesis of SA under both optimal and stressful environments in plants; (b) critically appraises the role of SA in plants exposed to major abiotic stresses; (c) cross-talks potential mechanisms potentially governing SA-induced plant abiotic stress-tolerance; and finally (d) briefly highlights major aspects so far unexplored in the current context.

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Author and article information

Contributors

Irshad Ahmad: URI : https://loop.frontiersin.org/people/2115249

Guisheng Zhou: URI : https://loop.frontiersin.org/people/1174565

Journal

Journal ID (nlm-ta): Front Plant Sci

Journal ID (iso-abbrev): Front Plant Sci

Journal ID (publisher-id): Front. Plant Sci.

Title: Frontiers in Plant Science

Publisher: Frontiers Media S.A.

ISSN (Electronic): 1664-462X

Publication date (Electronic): 14 February 2023

Publication date Collection: 2023

Volume: 14

Electronic Location Identifier: 1108507

Affiliations

[1] ¹ Joint International Research Laboratory of Agriculture and Agri-Product Safety of the Ministry of Education of China, College of Agriculture, Yangzhou University , Yangzhou, China

[2] ² Department of Agronomy, Institute of Agricultural, Sudan University of Science and Technology , Khartoum, Sudan

[3] ³ Jiangsu Yanjiang Area, Institute of Agricultural Sciences , Nantong, China

[4] ⁴ Department of Agronomy, Faculty of Agriculture, University of Swabi , Swabi, Pakistan

[5] ⁵ Department of Crop Genetics and Breeding, College of Agriculture, Yangzhou University , Yangzhou, China

[6] ⁶ Key Lab of Crop Genetics & Physiology of Jiangsu Province, Yangzhou University , Yangzhou, China

[7] ⁷ Department of Agronomy, Faculty of Agricultural and Environmental Science, University of Gadarif , Al Gadarif, Sudan

Author notes

Edited by: Muhammad Ahsan Altaf, Hainan University, China

Reviewed by: Shahbaz Atta Tung, Pir Mehr Ali Shah Arid Agriculture University, Pakistan; Anis Ali Shah, University of Education Lahore, Pakistan; Muhammad Faheem Adil, Zhejiang University, China

*Correspondence: Guisheng Zhou, gszhou@ 123456yzu.edu.cn

This article was submitted to Plant Abiotic Stress, a section of the journal Frontiers in Plant Science

Article

DOI: 10.3389/fpls.2023.1108507

PMC ID: 9971941

PubMed ID: 36866369

SO-VID: 75f251fe-ce40-4e76-b38a-ab3748655278

License:

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

History

Date received : 26 November 2022

Date accepted : 09 January 2023

Page count

Figures: 4, Tables: 1, Equations: 0, References: 134, Pages: 12, Words: 6572

Funding

Funded by: Yangzhou University , doi 10.13039/501100007062;

The research was financially supported by National Key Research and Development Project of China (2022YFE0113400).

The role of melatonin in plant growth and metabolism, and its interplay with nitric oxide and auxin in plants under different types of abiotic stress

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Most cited references 133

Reactive Oxygen Species and Antioxidant Defense in Plants under Abiotic Stress: Revisiting the Crucial Role of a Universal Defense Regulator

Relationships between leaf chlorophyll content and spectral reflectance and algorithms for non-destructive chlorophyll assessment in higher plant leaves.

Salicylic acid-induced abiotic stress tolerance and underlying mechanisms in plants

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