Drought and Salinity Stress Responses and Microbe-Induced Tolerance in Plants

Drought and salinity are among the most important environmental factors that hampered agricultural productivity worldwide. Both stresses can induce several morphological, physiological, biochemical, and metabolic alterations through various mechanisms, eventually influencing plant growth, developmen...

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Published in:Frontiers in plant science Vol. 11; p. 591911
Main Authors: Ma, Ying, Dias, Maria Celeste, Freitas, Helena
Format: Journal Article
Language:English
Published: Lausanne Frontiers Media SA 13.11.2020
Frontiers Media S.A
Subjects:
Abiotic stress
Abscisic acid
Acclimation
Acclimatization
Adaptation
Agricultural ecosystems
Agricultural production
Dehydration
Drought
Environmental factors
Genotypes
metabolic regulation
Metabolic response
Metabolism
Metabolites
Microorganisms
Morphology
Nutrients
osmotic adjustment
Photosynthesis
Physiology
Plant growth
Plant resistance
Plant Science
Plant tolerance
plant-microbe interactions
Productivity
Salinity
Salinity effects
Seeds
Signal transduction
Stress response
Stresses
ISSN:1664-462X, 1664-462X
Online Access:Get full text
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Summary:Drought and salinity are among the most important environmental factors that hampered agricultural productivity worldwide. Both stresses can induce several morphological, physiological, biochemical, and metabolic alterations through various mechanisms, eventually influencing plant growth, development, and productivity. The responses of plants to these stress conditions are highly complex and depend on other factors, such as the species and genotype, plant age and size, the rate of progression as well as the intensity and duration of the stresses. These factors have a strong effect on plant response and define whether mitigation processes related to acclimation will occur or not. In this review, we summarize how drought and salinity extensively affect plant growth in agriculture ecosystems. In particular, we focus on the morphological, physiological, biochemical, and metabolic responses of plants to these stresses. Moreover, we discuss mechanisms underlying plant-microbe interactions that confer abiotic stress tolerance.
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This article was submitted to Technical Advances in Plant Science, a section of the journal Frontiers in Plant Science
Edited by: Ingo Ebersberger, Goethe University Frankfurt, Germany
Reviewed by: Michele Grieco, Martin Luther University of Halle-Wittenberg, Germany; Dilfuza Egamberdieva, Leibniz Center for Agricultural Landscape Research (ZALF), Germany
ISSN:1664-462X
1664-462X
DOI:10.3389/fpls.2020.591911