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Journal ArticleDOI

Abiotic stress responses in plants.

TLDR
In this paper, the molecular mechanisms underlying the responses of plants to abiotic stresses emphasizes their multilevel nature; multiple processes are involved, including sensing, signalling, transcription, transcript processing, translation and post-translational protein modifications.
Abstract
Plants cannot move, so they must endure abiotic stresses such as drought, salinity and extreme temperatures. These stressors greatly limit the distribution of plants, alter their growth and development, and reduce crop productivity. Recent progress in our understanding of the molecular mechanisms underlying the responses of plants to abiotic stresses emphasizes their multilevel nature; multiple processes are involved, including sensing, signalling, transcription, transcript processing, translation and post-translational protein modifications. This improved knowledge can be used to boost crop productivity and agricultural sustainability through genetic, chemical and microbial approaches.

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Citations
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Journal ArticleDOI

Physiological Responses to Drought, Salinity, and Heat Stress in Plants: A Review

TL;DR: In this article , the authors discuss how water deficit, high temperatures, and salinity exert effects on plants and integrate these approaches to understand the physiological, biochemical, and molecular responses to environmental disturbances in plants of agronomic interest.
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Responses of plants to climate change: Metabolic changes during abiotic stress combination in plants.

TL;DR: Recent studies of metabolomic changes under stress combination in different plants are examined and new avenues for the development of stress combination-resilient crops based on metabolites as breeding targets are suggested.
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Calcium-Mobilizing Properties of Salvia miltiorrhiza-Derived Carbon Dots Confer Enhanced Environmental Adaptability in Plants.

TL;DR: Findings uncover that CDs have a Ca2-mobilizing property and thus can be used as a simultaneous Ca2+ signaling amplifier and ROS scavenger for crop improvement.
Journal ArticleDOI

Auxin/Cytokinin Antagonistic Control of the Shoot/Root Growth Ratio and Its Relevance for Adaptation to Drought and Nutrient Deficiency Stresses

TL;DR: In this paper , a growing body of evidence supports unidirectional regulation, with auxin emerging as the primary regulatory component, and this master regulatory role of auxin may not come as a surprise when viewed from an evolutionary perspective.
References
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Journal ArticleDOI

Salt and drought stress signal transduction in plants

TL;DR: Salt and drought stress signal transduction consists of ionic and osmotic homeostasis signaling pathways, detoxification (i.e., damage control and repair) response pathways, and pathways for growth regulation.
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Plant-growth-promoting rhizobacteria.

TL;DR: This review restricts itself to bacteria that are derived from and exert this effect on the root and generally designated as PGPR (plant-growth-promoting rhizobacteria), which can be direct or indirect in their effects on plant growth.
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PLANT COLD ACCLIMATION: Freezing Tolerance Genes and Regulatory Mechanisms

TL;DR: This review of recent advances in determining the nature and function of genes with roles in freezing tolerance and the mechanisms involved in low temperature gene regulation and signal transduction concludes that cold acclimation includes the expression of certain cold-induced genes that function to stabilize membranes against freeze-induced injury.
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Two transcription factors, DREB1 and DREB2, with an EREBP/AP2 DNA binding domain separate two cellular signal transduction pathways in drought- and low-temperature-responsive gene expression, respectively, in Arabidopsis.

TL;DR: Overexpression of the DREB1A cDNA in transgenic Arabidopsis plants not only induced strong expression of the target genes under unstressed conditions but also caused dwarfed phenotypes in the transgenic plants, and revealed freezing and dehydration tolerance.
Journal ArticleDOI

Abiotic Stress Signaling and Responses in Plants

TL;DR: Core stress-signaling pathways involve protein kinases related to the yeast SNF1 and mammalian AMPK, suggesting that stress signaling in plants evolved from energy sensing.
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What is abiotic stress?

Abiotic stress refers to environmental factors such as drought, salinity, and extreme temperatures that can negatively affect plant growth and development.