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Effects of Reactive Oxygen Species on Uv-b-induced Ethylene Production in Leaves of Maize Seedlings

Year: 2007

Type: article

Abstract: 研究了活性氧在UV-B(280~320 nm)诱导的玉米(Zea mays)幼苗叶片乙烯合成中的作用。结果表明,UV-B促进了玉米幼苗活性氧和乙烯的产生;乙烯合成抑制剂氨氧乙烯基甘氨酸(AVG)和氨氧乙酸(AOA)能明显减弱UV-B对玉米幼苗乙烯产生的诱导作用,但对活性氧(ROS)的产生没有明显影响;ROS的清除剂不但能抑制UV-B诱导的ROS的产生,而且还可以抑制UV-B诱导的乙烯的产生,但这种抑制作用可以被外源O-.2的供体所逆转。这说明,乙烯的积累不能作为UV-B胁迫下ROS的诱导的因素,相反,ROS的积累则导致了乙烯的积累;因此,ROS可能参与了UV-B胁迫诱导的乙烯的产生。质膜NAD...

Source: Chinese Journal of Plant Ecology

DOI: 10.17521/cjpe.2007.0120

Authors: WANG Yi-Bo, FENG Hu-Yuan, QU Ying, CHENG Jia-Qiang, WANG Xun-Ling, AN Li-Zhe

Language: English

Topic: Plant Stress Responses and Tolerance

Subfield: Plant Science

Field: Agricultural and Biological Sciences

Domain: Life Sciences

SDG: Zero hunger

Open Access status: bronze

OpenAlex ID: W3167451890

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