摘要
研究酪氨酸蛋白磷酸酶(PTPase)的抑制剂氧化苯胂(PAO)、NaVO3和Zn2+在脱氢抗坏血酸(DHA)调控烟草气孔运动中的作用。结果表明,0.01mmol·L-1PAO、1mmol·L-1NaVO3和2mmol·L-1Zn2+抑制黑暗和DHA诱导的气孔关闭,而对光诱导的烟草气孔开度的影响不大。据此推测PTPase参与DHA诱导的气孔关闭信号途径。
The effects of protein tyrosine phosphatase (PTPase) inhibitor, phenylarsine oxide (PAO), NaVO3 and Zn2+ on the stomatal movement regulated by dehydroascorbate (DHA) were investaged in Nicotiana tabacum. The results indicated that 0.01 mmol.L-1 PAO, 1 mmol.L-1 NaVO3 and 2 mmol.L-1 Zn2+ had no effects on stomatal aperture induced by light, but inhibited the stomatal closure induced by darkness and DHA, suggesting that PTPase might be involved in the signal pathway of stomatal closure induced by DHA.
出处
《植物生理学通讯》
CSCD
北大核心
2009年第9期843-846,共4页
Plant Physiology Communications
基金
河南省自然科学基金(2007210015)
国家烟草栽培重点实验室科技支撑项目(TCKL06006)
关键词
烟草
酪氨酸蛋白磷酸酶
脱氢抗坏血酸
气孔运动
信号转导
Nicotiana tabacum
protein tyrosine phosphatase
dehydroascorbate
stomatal movement
signal transduction