期刊
CURRENT OPINION IN PLANT BIOLOGY
卷 39, 期 -, 页码 123-128出版社
CURRENT BIOLOGY LTD
DOI: 10.1016/j.pbi.2017.06.006
关键词
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资金
- National Key Research and Development Program of China [2016YFD0100700]
- National Natural Science Foundation of China [31622008, 31570243, 31421062]
As an essential macronutrient, potassium (K+) plays crucial roles in diverse physiological processes during plant growth and development. The K+ concentration in soils is relatively low and fluctuating. Plants are able to perceive external K+ changes and generate chemical and physical signals in plant cells. The signals can be transducted across the plasma membrane and into the cytosol, and eventually regulates the downstream targets, particularly K+ channels and transporters. As a result, K+ homeostasis in plant cells is modulated, which facilitates plant adaptation to K+ deficient conditions. This minireview focuses on the latest research progress in the diverse functions of K channels and transporters as well as their regulatory mechanisms in plant response to low-K+ stress.
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