期刊
JOURNAL OF INTEGRATIVE PLANT BIOLOGY
卷 64, 期 2, 页码 287-300出版社
WILEY
DOI: 10.1111/jipb.13228
关键词
abiotic stress; calcium signaling; nutrient stress; salt stress
资金
- Deutsche Forschungsgemeinschaft (DFG) [391703796, 264387517, 410758888, INST211/853-1 FUGG]
- Distinguished Scientist Fellowship Program, King Saud University, Saudi Arabia
Adverse variations of abiotic environmental cues can cause stress to plants, leading to reduced crop yield and negative impact on ecosystem stability. Ca2+ plays multifaceted roles in abiotic stress responses, serving as a versatile second messenger and connecting stress perception to signal transduction.
Adverse variations of abiotic environmental cues that deviate from an optimal range impose stresses to plants. Abiotic stresses severely impede plant physiology and development. Consequently, such stresses dramatically reduce crop yield and negatively impact on ecosystem stability and composition. Physical components of abiotic stresses can be, for example, suboptimal temperature and osmotic perturbations, while representative chemical facets of abiotic stresses can be toxic ions or suboptimal nutrient availability. The sheer complexity of abiotic stresses causes a multitude of diverse components and mechanisms for their sensing and signal transduction. Ca2+, as a versatile second messenger, plays multifaceted roles in almost all abiotic stress responses in that, for a certain abiotic stress, Ca2+ is not only reciprocally connected with its perception, but also multifunctionally ensures subsequent signal transduction. Here, we will focus on salt/osmotic stress and responses to altered nutrient availability as model cases to detail novel insights into the identity of components that link stress perception to Ca2+ signal formation as well as on new insights into mechanisms of Ca2+ signal implementation. Finally, we will deduce emerging conceptual consequences of these novel insights and outline arising avenues of future research on the role of Ca2+ signaling in abiotic stress responses in plants.
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