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| 1 | 乙烯对UV-B辐射诱导蚕豆气孔关闭的调控效应(英文)显示文摘UV-B辐射作为一种重要的环境信号影响着植物的生长与发育,它能够调控气孔运动和诱导乙烯产生。该试验利用乙烯生物合成抑制剂和乙烯受体抑制剂处理蚕豆叶片表皮条,结合气孔开度分析和乙烯释放量测定,研究乙烯在UV-B辐射调控表皮条气孔运动中的作用。结果发现,将蚕豆叶片表皮条置于0.8 W.m-2的UV-B辐射下1~4 h,乙烯生成和气孔关闭均被显著诱导,且乙烯释放峰先于气孔关闭的起始;乙烯生物合成抑制剂和乙烯受体抑制剂处理均能显著逆转UV-B辐射诱导的气孔关闭;外源乙烯处理也能模拟UV-B辐射的效应诱导可见光下蚕豆表皮条的气孔关闭。可见,乙烯介导了UV-B辐射诱导的蚕豆气孔关闭。 | 高晶晶 王瑞斌 贺军民 | 2011 | 西北植物学报2011，31，4： | 3 |
| 2 | Ultraviolet B radiation-mediated stress ethylene emission from rice plants is regulated by 1-aminocyclopropane-1-carboxylate deaminase-producing bacteria显示文摘Dear Editor,Industrial emissions have played a major role in damaging the ozone layer,leading to increased atmospheric penetration of ultraviolet B (UV-B)(290–320 nm) radiation (Jordan,2002).The recovery rate of the damaged ozone layer in the mid-latitudes and tropics has been insignificant since 1979(Chipperfield et al.,2017),even after the adoption of the Montreal Protocol (Protocol,1987),and the recovery process is expected to take many decades.In the meantime,UV-B radiation continues to penetrate the atmosphere (McKenzie et al.,2011;Bais et al.,2019).The characteristic short length and high energy of this radiation wavelength can directly affect major molecules,such as DNA,proteins,and lipids,which are important to living beings (Hideg et al.,2013).Rice is one of the major global crops,which is generally cultivated at lower latitudes and can potentially be exposed to a higher flux of UV radiation due to greater solar angles and longer duration of sunlight (Kataria and Guruprasad,2012). | Jeongyun CHOI Aritra ROY CHOUDHURY Myung-Min OH Denver I.WALITANG Tongmin SA | 2022 | Pedosphere2022，32，2： | 0 |
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