植物细胞生物学：PIN 极性维持。
Plant cell biology: PIN polarity maintained.
机构信息
Institute of Biochemistry and Biology, Plant Physiology, University of Potsdam, Karl-Liebknecht-Str. 24-25, Building 20, DE-14476 Potsdam-Golm, Germany.
Institute of Biochemistry and Biology, Plant Physiology, University of Potsdam, Karl-Liebknecht-Str. 24-25, Building 20, DE-14476 Potsdam-Golm, Germany.
出版信息
Curr Biol. 2021 May 10;31(9):R449-R451. doi: 10.1016/j.cub.2021.03.070.
PIN-FORMED (PIN) polar protein localization directs transport of the growth and developmental regulator auxin in plants. Once established after cytokinesis, PIN polarity requires maintenance. Now, direct interactions between PIN, MAB4/MEL and PID proteins suggest self-reinforced maintenance of PIN polarity through limiting lateral diffusion.
PIN 形态（PIN）极性蛋白在植物中指导生长和发育调节剂生长素的运输。在细胞分裂后建立后，PIN 极性需要维持。现在，PIN、MAB4/MEL 和 PID 蛋白之间的直接相互作用表明，通过限制侧向扩散，PIN 极性的自我强化维持。
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