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Gwennogan Dubois

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Articles

Plasmodesmata act as unconventional membrane contact sites regulating inter-cellular molecular exchange in plants

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By Marija Smokvarska, Jessica Pérez-Sancho, Marie Glavier, Gwennogan Dubois
| BioRxiv
Abstract Membrane contact sites (MCS) are fundamental for intracellular communication, but their role in intercellular communication remains unexplored. We show that in plants, plasmodesmata communication bridges function as atypical endoplasmic reticulum (ER)-plasma membrane (PM) tubular MCS, operating at cell-cell interfaces. Similar to other MCS, ER-PM apposition is controlled by a protein-lipid tethering complex, but uniquely, this serves intercellular communication.
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