Tolerance to drought and salt stress in plants: Unraveling the signaling networks

Golldack D, Li C, Mohan H, Probst N (2014)
Frontiers in Plant Science 5.

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Abstract
Tolerance of plants to abiotic stressors such as drought and salinity is triggered by complex multicomponent signaling pathways to restore cellular homeostasis and promote survival. Major plant transcription factor families such as bZIP, NAC, AP2/ERF, and MYB orchestrate regulatory networks underlying abiotic stress tolerance. Sucrose non-fermenting 1-related protein kinase 2 and mitogen-activated protein kinase pathways contribute to initiation of stress adaptive downstream responses and promote plant growth and development. As a convergent point of multiple abiotic cues, cellular effects of environmental stresses are not only imbalances of ionic and osmotic homeostasis but also impaired photosynthesis, cellular energy depletion, and redox imbalances. Recent evidence of regulatory systems that link sensing and signaling of environmental conditions and the intracellular redox status have shed light on interfaces of stress and energy signaling. ROS (reactive oxygen species) cause severe cellular damage by peroxidation and de-esterification of membrane-lipids, however, current models also define a pivotal signaling function of ROS in triggering tolerance against stress. Recent research advances suggest and support a regulatory role of ROS in the cross talks of stress triggered hormonal signaling such as the abscisic acid pathway and endogenously induced redox and metabolite signals. Here, we discuss and review the versatile molecular convergence in the abiotic stress responsive signaling networks in the context of ROS and lipid-derived signals and the specific role of stomatal signaling.
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Article Processing Charge funded by the Deutsche Forschungsgemeinschaft and the Open Access Publication Fund of Bielefeld University.
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Golldack D, Li C, Mohan H, Probst N. Tolerance to drought and salt stress in plants: Unraveling the signaling networks. Frontiers in Plant Science. 2014;5.
Golldack, D., Li, C., Mohan, H., & Probst, N. (2014). Tolerance to drought and salt stress in plants: Unraveling the signaling networks. Frontiers in Plant Science, 5.
Golldack, D., Li, C., Mohan, H., and Probst, N. (2014). Tolerance to drought and salt stress in plants: Unraveling the signaling networks. Frontiers in Plant Science 5.
Golldack, D., et al., 2014. Tolerance to drought and salt stress in plants: Unraveling the signaling networks. Frontiers in Plant Science, 5.
D. Golldack, et al., “Tolerance to drought and salt stress in plants: Unraveling the signaling networks”, Frontiers in Plant Science, vol. 5, 2014.
Golldack, D., Li, C., Mohan, H., Probst, N.: Tolerance to drought and salt stress in plants: Unraveling the signaling networks. Frontiers in Plant Science. 5, (2014).
Golldack, Dortje, Li, Chao, Mohan, Harikrishnan, and Probst, Nina. “Tolerance to drought and salt stress in plants: Unraveling the signaling networks”. Frontiers in Plant Science 5 (2014).
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