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EFFECT OF NITRIC OXIDE ON REACTIVE OXYGEN SPECIES AND RELATED ENZYMES IN WHEAT LEAVES DURING WATER STRESS
Author(s): 
Pages: 80-83
Year: Issue:  z1
Journal: GUIZHOU SCIENCE

Keyword:  水分胁迫一氧化氮活性氧抗氧化酶;
Abstract: 作为一种普遍存在的信号分子,一氧化氮(NO)参与了多种激素的信号传递过程.本文着重探讨了在水分胁迫条件下,一氧化氮对活性氧及相关抗氧化酶的影响.实验结果表明低浓度的一氧化氮能够提高抗氧化酶的活性,消除自由基,从而缓解渗透胁迫造成的细胞膜脂过氧化损伤;而高浓度的一氧化氮降低了抗氧化酶的活性,使自由基的产生量增加,从而加重了膜的损伤.
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