Elucidating the molecular mechanisms mediating plant salt‐stress responses

Yang, Yongqing; Guo, Yan

doi:10.1111/nph.14920

Cited by 938 publications

(739 citation statements)

References 269 publications

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“…Osmotic stress signals through the SnRK2 family kinases and MAPK (MPK3/MPK6 and MPK4) cascades (de Zelicourt et al ., ; Zhu, ). In addition, ROS, ABA, GAs, BRs, JA and ethylene constitute complex signaling networks to mediate salt tolerance and acclimation, largely through ion compartmentalization, osmolyte accumulation and remodeling of the RSA (Jiang et al ., , ; Duan et al ., ; Geng et al ., ; Julkowska et al ., ; Yang & Guo, ). The possible molecular links between these components and the aforementioned immune regulators remain understudied in salt tolerance.…”

Section: Damage Sensing and Signaling Under Abiotic Stressmentioning

confidence: 97%

“…Although Na + ‐sensing mechanisms remain elusive, ionic stress signals through Ca 2+ and the SOS pathway involving SOS3‐related Ca 2+ ‐binding proteins and SOS2‐related SnRK3 family kinases that phosphorylate and activate SOS1 Na + /K + antiporter (Fig. ; Yang & Guo, ). Osmotic stress signals through the SnRK2 family kinases and MAPK (MPK3/MPK6 and MPK4) cascades (de Zelicourt et al ., ; Zhu, ).…”

Section: Damage Sensing and Signaling Under Abiotic Stressmentioning

confidence: 99%

“…Salinity stress imposes osmotic and ionic stresses (Yang & Guo, ). Although Na + ‐sensing mechanisms remain elusive, ionic stress signals through Ca 2+ and the SOS pathway involving SOS3‐related Ca 2+ ‐binding proteins and SOS2‐related SnRK3 family kinases that phosphorylate and activate SOS1 Na + /K + antiporter (Fig.…”

Section: Damage Sensing and Signaling Under Abiotic Stressmentioning

confidence: 99%

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Plant immunity in signal integration between biotic and abiotic stress responses

2019

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Summary Plants constantly monitor and cope with the fluctuating environment while hosting a diversity of plant‐inhabiting microbes. The mode and outcome of plant–microbe interactions, including plant disease epidemics, are dynamically and profoundly influenced by abiotic factors, such as light, temperature, water and nutrients. Plants also utilize associations with beneficial microbes during adaptation to adverse conditions. Elucidation of the molecular bases for the plant–microbe–environment interactions is therefore of fundamental importance in the plant sciences. Following advances into individual stress signaling pathways, recent studies are beginning to reveal molecular intersections between biotic and abiotic stress responses and regulatory principles in combined stress responses. We outline mechanisms underlying environmental modulation of plant immunity and emerging roles for immune regulators in abiotic stress tolerance. Furthermore, we discuss how plants coordinate conflicting demands when exposed to combinations of different stresses, with attention to a possible determinant that links initial stress response to broad‐spectrum stress tolerance or prioritization of specific stress tolerance.

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Section: Damage Sensing and Signaling Under Abiotic Stressmentioning

confidence: 97%

Section: Damage Sensing and Signaling Under Abiotic Stressmentioning

confidence: 99%

Section: Damage Sensing and Signaling Under Abiotic Stressmentioning

confidence: 99%

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Plant immunity in signal integration between biotic and abiotic stress responses

2019

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“…by Panta et al . (), Munns & Tester (), Munns & Gilliham (), Yang & Guo (), Li et al . (), and Liang et al .…”

Section: Physiology Of Yield Lossesmentioning

confidence: 99%

Salinity and crop yield

2018

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Thirty crop species provide 90% of our food, most of which display severe yield losses under moderate salinity. Securing and augmenting agricultural yield in times of global warming and population increase is urgent and should, aside from ameliorating saline soils, include attempts to increase crop plant salt tolerance. This short review provides an overview of the processes that limit growth and yield in saline conditions. Yield is reduced if soil salinity surpasses crop-specific thresholds, with cotton, barley and sugar beet being highly tolerant, while sweet potato, wheat and maize display high sensitivity. Apart from Na , also Cl , Mg , SO or HCO contribute to salt toxicity. The inhibition of biochemical or physiological processes cause imbalance in metabolism and cell signalling and enhance the production of reactive oxygen species interfering with cell redox and energy state. Plant development and root patterning is disturbed, and this response depends on redox and reactive oxygen species signalling, calcium and plant hormones. The interlink of the physiological understanding of tolerance processes from molecular processes as well as the agronomical techniques for stabilizing growth and yield and their interlinks might help improving our crops for future demand and will provide improvement for cultivating crops in saline environment.

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“…This leads, as part of the acclimation process, to profound changes in multiple processes (e.g. photosynthesis, cell morphology and gene regulation) that eventually lead to phenotypic effects such as leaf yellowing and general growth delay (Suo et al, 2017;Yang & Guo, 2018). By contrast, biotic stress phenotyping often concentrates on the detection and evaluation of localized, qualitative infection symptoms, such as leaf lesions caused by a pathogen (Mahlein et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

The ‘PhenoBox’, a flexible, automated, open‐source plant phenotyping solution

et al. 2018

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SummaryThere is a need for flexible and affordable plant phenotyping solutions for basic research and plant breeding.We demonstrate our open source plant imaging and processing solution ('PhenoBox'/ 'PhenoPipe') and provide construction plans, source code and documentation to rebuild the system. Use of the PhenoBox is exemplified by studying infection of the model grass Brachypodium distachyon by the head smut fungus Ustilago bromivora, comparing phenotypic responses of maize to infection with a solopathogenic Ustilago maydis (corn smut) strain and effector deletion strains, and studying salt stress response in Nicotiana benthamiana.In U. bromivora-infected grass, phenotypic differences between infected and uninfected plants were detectable weeks before qualitative head smut symptoms. Based on this, we could predict the infection outcome for individual plants with high accuracy. Using a PhenoPipe module for calculation of multi-dimensional distances from phenotyping data, we observe a time after infection-dependent impact of U. maydis effector deletion strains on phenotypic response in maize. The PhenoBox/PhenoPipe system is able to detect established salt stress responses in N. benthamiana.We have developed an affordable, automated, open source imaging and data processing solution that can be adapted to various phenotyping applications in plant biology and beyond.

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Elucidating the molecular mechanisms mediating plant salt‐stress responses

Cited by 938 publications

References 269 publications

Plant immunity in signal integration between biotic and abiotic stress responses

Plant immunity in signal integration between biotic and abiotic stress responses

Salinity and crop yield

The ‘PhenoBox’, a flexible, automated, open‐source plant phenotyping solution

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