期刊
PLANT CELL
卷 21, 期 5, 页码 1541-1555出版社
OXFORD UNIV PRESS INC
DOI: 10.1105/tpc.108.064279
关键词
-
资金
- CRA [20030304002FA, 20040305003FA]
- FEDER [2003227]
- Swiss National Science Foundation [31-49450.96]
- French Agence Nationale de la Recherche [05 -45555, 0550611]
Remorins (REMs) are proteins of unknown function specific to vascular plants. We have used imaging and biochemical approaches and in situ labeling to demonstrate that REM clusters at plasmodesmata and in similar to 70-nm membrane domains, similar to lipid rafts, in the cytosolic leaflet of the plasma membrane. From a manipulation of REM levels in transgenic tomato (Solanum lycopersicum) plants, we show that Potato virus X (PVX) movement is inversely related to REM accumulation. We show that REM can interact physically with the movement protein TRIPLE GENE BLOCK PROTEIN1 from PVX. Based on the localization of REM and its impact on virus macromolecular trafficking, we discuss the potential for lipid rafts to act as functional components in plasmodesmata and the plasma membrane.
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