Rapid Responses to Abiotic Stress: Priming the Landscape for the Signal Transduction Network.
Hannes Kollist,Sara I. Zandalinas,Soham Sengupta,Maris Nuhkat,Jaakko Kangasjärvi,Ron Mittler +5 more
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TLDR
It is proposed that the integration of these signals is mediated through pulses of gene expression that are coordinated throughout the plant in a systemic manner by the ROS/Ca+2 waves.About:
This article is published in Trends in Plant Science.The article was published on 2019-01-01 and is currently open access. It has received 217 citations till now. The article focuses on the topics: Light intensity.read more
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Global Warming, Climate Change, and Environmental Pollution: Recipe for a Multifactorial Stress Combination Disaster
TL;DR: For example, this article found that increasing the number of different co-occurring multifactorial stress factors causes a severe decline in plant growth and survival, as well as in the microbiome biodiversity that plants depend upon.
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Reactive oxygen species signalling in plant stress responses
TL;DR: In this article , the authors discuss promising developments and how they might be used to increase plant resilience to environmental stress, including the identification of ROS receptors and key regulatory hubs that connect ROS signalling with other important stress-response signal transduction pathways and hormones, as well as new roles for ROS in organelle-to-organelle and cell-tocell signalling.
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Systemic signaling during abiotic stress combination in plants.
Sara I. Zandalinas,Yosef Fichman,Amith R. Devireddy,Soham Sengupta,Rajeev K. Azad,Ron Mittler +5 more
TL;DR: It is revealed that plants can integrate different local and systemic signals generated during conditions of stress combination, and that the specific part at which plants sense the two co-occurring stresses makes a significant difference in how fast and efficient they acclimate.
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Thriving under Stress: How Plants Balance Growth and the Stress Response.
TL;DR: Recent studies suggesting that reciprocal regulation between stress-response and growth-control pathways occurs at multiple levels will be critical for resetting the balance between stress resistance and growth in order to engineer stress-resistant and high-yielding crops.
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RBOH-Dependent ROS Synthesis and ROS Scavenging by Plant Specialized Metabolites To Modulate Plant Development and Stress Responses.
TL;DR: The unique properties of plant specialized metabolites, including carotenoids, ascorbate, tocochromanols (vitamin E), and flavonoids, in modulating ROS homeostasis are summarized.
References
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H2O2 from the oxidative burst orchestrates the plant hypersensitive disease resistance response
TL;DR: It is reported here that H2O2 from this oxidative burst not only drives the cross-linking of cell wall structural proteins, but also functions as a local trigger of programmed death in challenged cells and as a diffusible signal for the induction in adjacent cells of genes encoding cellular protectants.
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Abiotic stress, the field environment and stress combination
TL;DR: Tolerance to a combination of different stress conditions, particularly those that mimic the field environment, should be the focus of future research programs aimed at developing transgenic crops and plants with enhanced tolerance to naturally occurring environmental conditions.
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Abscisic Acid: Emergence of a Core Signaling Network
TL;DR: A new model for ABA action has been proposed and validated, in which the soluble PYR/PYL/RCAR receptors function at the apex of a negative regulatory pathway to directly regulate PP2C phosphatases, which in turn directly regulate SnRK2 kinases.
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Calcium channels activated by hydrogen peroxide mediate abscisic acid signalling in guard cells
Zhen-Ming Pei,Yoshiyuki Murata,Gregor Benning,Sébastien Thomine,Birgit Klüsener,Gethyn J. Allen,Erwin Grill,Julian I. Schroeder +7 more
TL;DR: Activation of Ca2+-permeable channels in the plasma membrane of Arabidopsis guard cells by hydrogen peroxide indicates that ABA-induced H2O2 production and the H 2O 2-activated Ca2-activated channels are important mechanisms for A BA-induced stomatal closing.
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ROS signaling: the new wave?
Ron Mittler,Ron Mittler,Sandy Vanderauwera,Nobuhiro Suzuki,Gad Miller,Vanesa B. Tognetti,Klaas Vandepoele,Marty Gollery,Vladimir Shulaev,Frank Van Breusegem +9 more
TL;DR: This review will attempt to address several key questions related to the use of ROS as signaling molecules in cells, including the dynamics and specificity of ROS signaling, networking of ROS with other signaling pathways, ROS signaling within and across different cells, ROS waves and the evolution of the ROS gene network.