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Comment
. 2021 May 10;31(9):R449-R451.
doi: 10.1016/j.cub.2021.03.070.

Plant cell biology: PIN polarity maintained

Michael Sauer  1 , Markus Grebe  2
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Free article
Comment

Plant cell biology: PIN polarity maintained

Michael Sauer et al. Curr Biol. .
Free article

Abstract

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.

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