An Activity‐Based Sensing Fluorogenic Probe for Monitoring Ethylene in Living Cells and Plants
作者:Yiliang Chen、Wei Yan、Duojing Guo、Yu Li、Ji Li、Hao Liu、Lirong Wei、Na Yu、Biao Wang、Ying Zheng、Maofeng Jing、Jing Zhao、Yonghao Ye
DOI:10.1002/anie.202108335
日期:2021.9.27
fluorophore-tagged RhIII-based fluorogenic coumarin-ethylene probes (CEPs) using this strategy for the selective and quantitative detection of ethylene. CEP-1 exhibited the highest sensitivity with a limit of detection of ethylene at 52 ppb in air. Furthermore, CEP-1 was successfully applied for imaging in living CHO-K1 cells and for monitoring endogenous-induced changes in ethylene biosynthesis in tobacco
乙烯(ET)是一种重要的气态植物激素。非常需要开发用于监测活细胞中乙烯的荧光探针。我们报告了在醇的存在下,N-苯氧基乙酰胺与乙烯的高效 Rh III催化偶联。新发现的偶联反应表现出广泛的N-苯氧基乙酰胺和优异的区域选择性。我们使用该策略成功开发了三种荧光标记的基于Rh III的荧光香豆素-乙烯探针 ( CEP ),用于选择性和定量检测乙烯。CEP-1表现出最高的灵敏度,空气中乙烯的检测限为 52 ppb。此外,CEP-1已成功应用于活 CHO-K1 细胞的成像以及监测烟草和拟南芥植物中乙烯生物合成的内源性诱导变化。这些结果表明,CEP-1在阐明生物系统中乙烯生物合成和乙烯信号转导的时空调控方面具有巨大潜力。