Membrane transporters for nitrogen, phosphate and potassium uptake in plants |
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Authors: | Chen Yi-Fang Wang Yi Wu Wei-Hua |
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Affiliation: | ( State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, National Plant Gene Research Centre;, Beijing 100094, China ) |
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Abstract: | Nitrogen, phosphorous and potassium are essential nutrients for plant growth and development. However, their contents in soils are limited so that crop production needs to invest a lot for fertilizer supply. To explore the genetic potentialities of crops (or plants) for their nutrient utilization efficiency has been an important research task for many years. In fact, a number of evidences have revealed that plants, during their evolution, have developed many morphological, physiological,biochemical and molecular adaptation mechanisms for acquiring nitrate, phosphate and potassium under stress conditions.Recent discoveries of many transporters and channels for nitrate, phosphate and potassium up take have opened upopportunities to study the molecular regulatory mechanisms for acquisition of these nutrients. This review aims to briefly discuss the genes and gene families for these transporters and channels. In addition, the functions and regulation of some important transporters and channels are particularly emphasized. |
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Keywords: | Arabidopsis channel nitrate potassium phosphate transporter |
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