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245 1 0 _aPotassium nutrition, sodium toxicity, and calcium signaling: connections through the CBL-CIPK network
490 0 _vCurrent Opinion in Plant Biology, 12(3), p.339-346, 2009
520 3 _aPlant roots take up numerous minerals from the soil. Some minerals (e.g., K+)are essential nutrients and others (e.g., Na+)are toxic for plant growth and development. In addition to the absolute level, the balance among the minerals is critical for their physiological functions. For instance, [K+]/[Na+]ratio and homeostasis often determine plant growth rate. Either low-K or high-Na in the soil represents a stress condition that severely affects plant life and agricultural production. Earlier observations indicated that higher soil Ca2+ improve plants growth under low-K or high-Na condition, implying functional interaction among the three cations. Recent studies have begun to delineate the signaling mechanisms underlying such interactions. Either low-K+ or high-Na+ can trigger cellular Ca2+ changes that lead to activation of complex signaling networks. One such network consists of Ca2+ sensor proteins (e.g., CBLs)interacting with their target kinases (CIPKs). The CBL-CIPK signaling modules interact with and regulate the activity of a number of transporting proteins involved in the uptake and translocation of K+ and Na+, maintaining the ''balance'' of these cations in plants under stress conditions
700 1 2 _aLuan, S.
700 1 2 _aLan, W.
700 1 2 _aLee, S.C.
856 4 0 _uhttps://drive.google.com/file/d/1zI-9xEMMGRVYiu9H0GZcJspTdFMtnHP8/view?usp=drivesdk
_zPara ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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