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《Acta Botanica Boreali-occidentalia Sinica》 2003-03
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Main functional proteins in plant responses to water stress

ZHU Xue-yi, ZHANG Cheng-lie (School of Life Science, Lanzhou University,Lanzhou 730000,China)  
Among abiotic environmental stresses, water deficit affects plant growth and productivity most seriously. However,under the naturai selective pressure,plants develop a wide array of defense strategies a-gainst water stress,in which all sorts of proteins play important role during the water stress. According to their functions,proteins in responses to water stress can be classified into two major groups ,i. e. regulatory proteins and functional proteins. The present paper lays emphasis on the proteins involving in three main mechanisms response to water deficit, which alter the amounts of osmolytes and osmoprotectants, satura-tion Ievels of membrane fatty acids,and rate of scavenging of reactive oxygen intermediates.
【Fund】: 国家重大基础研究项目(G1999011700)
【CateGory Index】: Q946
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