【摘 要】
：
We have recently identified a novel organelle termed EXPO (exocyst-positive organelle) that mediates an unconventional cytosol to cell wall secretion in pla
【机 构】
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SchoolofLifeSciences,CentreforCellandDevelopmentalBiology,TheChineseUniversityofHongKong,Shatin,NewT
【出 处】
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2rd International Symposium on Integrative Plant Biology第二届国
论文部分内容阅读
We have recently identified a novel organelle termed EXPO (exocyst-positive organelle) that mediates an unconventional cytosol to cell wall secretion in plant cells.Standard markers for the Golgi apparatus, the trans-Golgi network/early endosome, and the multivesicular body/late endosome in plants do not colocalize with EXPO.EXPO is a double-membrane structure that fuses with the plasma membrane (PM), releasing a single membrane vesicle into the cell wall.We have currently carried out further studies on EXPO-mediated plant exocytosis, including isolation and proteomic analysis of EXPO, EXPO dynamic and EXPO-PM fusion in living cells, EXPO membrane origins and biogenesis, and EXPO function in plants.Here, we will present an update on these studies.Our research programs have been supported by grants from the Research Grants Council (RGC) of Hong Kong and CUHK Schemes.
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