J Integr Plant Biol. ›› 2008, Vol. 50 ›› Issue (7): 835-848.DOI: 10.1111/j.1744-7909.2008.00707.x

• Plant-environmental Interactions • Previous Articles     Next Articles

Membrane Transporters for Nitrogen, Phosphate and Potassium Uptake in Plants

Yi-Fang Chen, Yi Wang and Wei-Hua Wu   

  • Received:2008-04-15 Accepted:2008-04-20 Published:2008-07-10

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 uptake have opened up opportunities 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.

Key words: Arabidopsis, channel, nitrate, potassium, phosphate, transporter

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