Article
Single-particle analysis reveals shutoff control of the Arabidopsis ammonium transporter AMT1;3 by clustering and internalization.
Proceedings of the National Academy of Sciences of the United States of America - 6 Aug 2013
Wang Qinli, Zhao Yuanyuan, Luo Wangxi, Li Ruili, He Qihua, Fang Xiaohong, Michele Roberto De, Ast Cindy, von Wirén Nicolaus, Lin Jinxing
Abstract excerpt
Ammonium is a preferred source of nitrogen for plants but is toxic at high levels. Plant ammonium transporters (AMTs) play an essential role in NH4(+) uptake, but the mechanism by which AMTs are regulated remains unclear. To study how AMTs are regulated in the presence of ammonium, we used variable-angle total internal reflection fluorescence microscopy and fluorescence cross-correlation spectroscopy for...
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