%0 Journal Article %T Effects of water stress on protein expression and physiological properties of different genotype wheat(Triticum aestivum L.)sprouts
水分胁迫对不同基因型小麦幼芽蛋白质表达和某些生理特性的影响 %A DAI Ming %A DENG Xi-ping %A YANG Shu-shen %A CAO Rang %A GUO Hong-bo %A ZHANG Fang %A
戴明 %A 邓西平 %A 杨淑慎 %A 曹让 %A 郭宏波 %A 张芳 %J 应用生态学报 %D 2009 %I %X With drought-resistant wheat(Triticum aestivum)cuhivar Changwu 134 and droughtsensitive cuhivar Zhengyin 1 as test materials,and by using-1.2 MPa PEG 6000 to treat their seeds,this paper studied the protein expression and physiological properties of the sprouts under different soil moisture conditions.SDS-PAGE analysis showed that water stress induced the production of two new proteins with molecular weights of 39.5 kDa and 23.0 kDa in Changwu 134 but not in Zhengyin 1 sprouts.Under normal water supply,the expression of the protein with molecular weight of 48.5 kDa in the sprouts of both Changwu 134 and Zhengyin 1 increased with sprout growth.This protein was preliminarily named as water-sensitive protein,due to lts wate-sensitivity and of newly discovered protein.The determinations of physiological properties showed that under water stress,the sprouts of drought-resistant Changwu 134 had higher root/shoot ratio and higher relative water content,but lower relative membrane permeability and lower malondlaldehyde content than those of drought-sensitive Zhengyin 1. %K wheat %K water stress %K protein expression %K physiological property
小麦 %K 水分胁迫 %K 蛋白表达 %K 生理特性 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=90BA3D13E7F3BC869AC96FB3DA594E3FE34FBF7B8BC0E591&jid=42FEDDFE54F8BCD9D5FD1926ABDD7722&aid=657AB194AB416A5C49EBEBDBB17B970A&yid=DE12191FBD62783C&vid=A04140E723CB732E&iid=9CF7A0430CBB2DFD&sid=49A922F48C3B1A31&eid=C8CC03E7D48F5577&journal_id=1001-9332&journal_name=应用生态学报&referenced_num=0&reference_num=0