Enhanced tolerance to a combination of heat stress and drought in Arabidopsis plants deficient in ICS1 is associated with modulation of photosynthetic reaction center proteins

Kumazaki, Ayana; Suzuki, Nobuhiro

doi:10.1111/ppl.12809

Cited by 18 publications

(12 citation statements)

References 68 publications

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“…ICS1 is involved in the biosynthesis of SA and phylloquinone. In a study, the Arabidopsis ICS1 mutant, sid2‐1 , exhibits heat and drought tolerance via H 2 O 2 ‐dependent stomatal closure and hyper‐accumulated total soluble sugars (Kumazaki & Suzuki, 2019). In a study, an SA‐BINDING PROTEIN 4 (SABP4) overexpression from Lycium chinense in tobacco confers drought tolerance by stimulating the SA level and ROS homeostasis enzymes (Li, Wang, et al, 2019).…”

Section: Phytohormones Action and Response Mechanism In Drought Stressmentioning

confidence: 99%

Crosstalk between phytohormones and secondary metabolites in the drought stress tolerance of crop plants: A review

Jogawat

Yadav

Chhaya

et al. 2021

Physiologia Plantarum

230

110

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Drought stress negatively affects crop performance and weakens global food security. It triggers the activation of downstream pathways, mainly through phytohormones homeostasis and their signaling networks, which further initiate the biosynthesis of secondary metabolites (SMs). Roots sense drought stress, the signal travels to the above-ground tissues to induce systemic phytohormones signaling. The systemic signals further trigger the biosynthesis of SMs and stomatal closure to prevent water loss. SMs primarily scavenge reactive oxygen species (ROS) to protect plants from lipid peroxidation and also perform additional defense-related functions.Moreover, drought-induced volatile SMs can alert the plant tissues to perform drought stress mitigating functions in plants. Other phytohormone-induced stress responses include cell wall and cuticle thickening, root and leaf morphology alteration, and anatomical changes of roots, stems, and leaves, which in turn minimize the oxidative stress, water loss, and other adverse effects of drought. Exogenous applications of phytohormones and genetic engineering of phytohormones signaling and biosynthesis pathways mitigate the drought stress effects. Direct modulation of the SMs biosynthetic pathway genes or indirect via phytohormones' regulation provides drought tolerance. Thus, phytohormones and SMs play key roles in plant development under the drought stress environment in crop plants. | INTRODUCTIONA large segment of the population is going to face food scarcity due to climate change and the gradually decreasing arable land area. Plants are confronted to a variable environment while growing from seedling to mature plant. Different abiotic and biotic stresses affect plant growth and development (Cramer et al., 2011;Fujita et al., 2006;Tuteja & Sopory, 2008). Abiotic stress includes drought, submergence, osmotic stress, salinity stress, oxidative stress, ultra-violet irradiation, wounding, and nutrient depletion. The extremity of optimum factors such as high temperature or low temperature and freezing-thawing is also included in abiotic stresses. Biotic stresses include viruses, bacteria, fungi, algae, worms, nematodes, insects, herbivores, and parasitic plants. Plants have to combat these stressors due to their sessile lifestyle (Cramer et al., 2011;Fujita et al., 2006). More than 50% reduction in average yields of major cereal crops has been reported because of various abiotic stresses. Drought is one of the most important abiotic stresses that negatively influence plant performance and causes harsh effects on biomass and yield (Fahad et al., 2017). A

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Section: Phytohormones Action and Response Mechanism In Drought Stressmentioning

confidence: 99%

Crosstalk between phytohormones and secondary metabolites in the drought stress tolerance of crop plants: A review

Jogawat

Yadav

Chhaya

et al. 2021

Physiologia Plantarum

230

110

View full text Add to dashboard Cite

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“…The mutant analysis of SA biosynthesis or catalase-deficient mutants suggest that ROS can also function upstream of SA biosynthesis, suggesting that ROS and SA function in a self-amplifying feedback loop [23,54]. For example, by analyzing the mutants deficient in SA signaling (sid2), it was shown that the mutants accumulated higher ROS levels and showed tolerance to a combination of heat and drought stress [129,147]. Another study suggested that the exogenous application of SA increased the heat tolerance in tomatoes and barley by improving the antioxidant defense system through the scavenging of ROS [148,149].…”

Section: Hormone and Ros Crosstalk During High Temperatures Stressmentioning

confidence: 99%

Role of Reactive Oxygen Species and Hormones in Plant Responses to Temperature Changes

Devireddy

Tschaplinski

Tuskan

et al. 2021

IJMS

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Temperature stress is one of the major abiotic stresses that adversely affect agricultural productivity worldwide. Temperatures beyond a plant’s physiological optimum can trigger significant physiological and biochemical perturbations, reducing plant growth and tolerance to stress. Improving a plant’s tolerance to these temperature fluctuations requires a deep understanding of its responses to environmental change. To adapt to temperature fluctuations, plants tailor their acclimatory signal transduction events, and specifically, cellular redox state, that are governed by plant hormones, reactive oxygen species (ROS) regulatory systems, and other molecular components. The role of ROS in plants as important signaling molecules during stress acclimation has recently been established. Here, hormone-triggered ROS produced by NADPH oxidases, feedback regulation, and integrated signaling events during temperature stress activate stress-response pathways and induce acclimation or defense mechanisms. At the other extreme, excess ROS accumulation, following temperature-induced oxidative stress, can have negative consequences on plant growth and stress acclimation. The excessive ROS is regulated by the ROS scavenging system, which subsequently promotes plant tolerance. All these signaling events, including crosstalk between hormones and ROS, modify the plant’s transcriptomic, metabolomic, and biochemical states and promote plant acclimation, tolerance, and survival. Here, we provide a comprehensive review of the ROS, hormones, and their joint role in shaping a plant’s responses to high and low temperatures, and we conclude by outlining hormone/ROS-regulated plant responsive strategies for developing stress-tolerant crops to combat temperature changes.

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“…In addition, a decline in SA accumulation was observed in Arabidopsis upon the combination of heat stress and drought [ 21 ], although SA accumulation increased in citruses in response to the same stress combination. A recent study demonstrated that Arabidopsis plants deficient in isochorismate synthase 1 (ICS1), named sid2-1 , showed higher tolerance to a combination of heat stress and drought [ 134 ]. ICS was shown to be required for SA synthesis, as well as for the production of phylloquinone, one of the components of the PSI complex that mediates the electron transfer from PSI to ferredoxin [ 135 ].…”

Section: Response Of Plant To Heat Stress Combined With Other Abiomentioning

confidence: 99%

Integration between ROS Regulatory Systems and Other Signals in the Regulation of Various Types of Heat Responses in Plants

Katano

Honda

Suzuki

2018

IJMS

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Because of their sessile lifestyle, plants cannot escape from heat stress and are forced to alter their cellular state to prevent damage. Plants, therefore, evolved complex mechanisms to adapt to irregular increases in temperature in the natural environment. In addition to the ability to adapt to an abrupt increase in temperature, plants possess strategies to reprogram their cellular state during pre-exposure to sublethal heat stress so that they are able to survive under subsequent severe heat stress. Such an acclimatory response to heat, i.e., acquired thermotolerance, might depend on the maintenance of heat memory and propagation of long-distance signaling. In addition, plants are able to tailor their specific cellular state to adapt to heat stress combined with other abiotic stresses. Many studies revealed significant roles of reactive oxygen species (ROS) regulatory systems in the regulation of these various heat responses in plants. However, the mode of coordination between ROS regulatory systems and other pathways is still largely unknown. In this review, we address how ROS regulatory systems are integrated with other signaling networks to control various types of heat responses in plants. In addition, differences and similarities in heat response signals between different growth stages are also addressed.

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Enhanced tolerance to a combination of heat stress and drought in Arabidopsis plants deficient in ICS1 is associated with modulation of photosynthetic reaction center proteins

Cited by 18 publications

References 68 publications

Crosstalk between phytohormones and secondary metabolites in the drought stress tolerance of crop plants: A review

Crosstalk between phytohormones and secondary metabolites in the drought stress tolerance of crop plants: A review

Role of Reactive Oxygen Species and Hormones in Plant Responses to Temperature Changes

Integration between ROS Regulatory Systems and Other Signals in the Regulation of Various Types of Heat Responses in Plants

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