Melatonin confers plant tolerance against cadmium stress via the decrease of cadmium accumulation and reestablishment of microRNA-mediated redox homeostasis

Quan Gu,Ziping Chen,Xiuli Yu,Weiti Cui,Jincheng Pan,Gan Zhao,Sheng Xu,Ren Wang,Wenbiao Shen

Plant Science（2017）

引用 163|浏览6

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摘要

•Cd induced melatonin production in alfalfa and Arabidopsis seedling roots.•Transgenic Arabidopsis lines overexpressing alfalfa SNAT (MsSNAT) exhibited high-level melatonin and enhanced Cd tolerance.•Cd accumulation in plants was decreased via melatonin-modulated heavy metal transporters.•Melatonin-reestablished redox homeostasis via miR398.

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关键词

ABC transporter,ASMT,Cd,CSD,DAB,H2DCFDA,H2O2,ICP-OES,CLSM,Mel,miRNAs,NBT,Nramp,O2−,ROS,SNAT,WT

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