Vesicle formation in the membrane of onion cells (Allium cepa) during rapid osmotic dehydration

Abstract : Optimization of osmotic dehydration in different plant cells has been investigated through the variation of parameters such as the nature of the sugar used, the concentration of osmotic solutions and the processing time. In micro-organisms such as the yeast, Saccharomyces cerevisiae, the exposure of a cell to a slow increase in osmotic pressure preserves cell viability after rehydration, while sudden dehydration involves a lower rate of cell viability, which could be due to membrane vesiculation. The aim of this work is to study cytoplasmic vesicle formation in onion epidermal cells (Allium cepa) as a function of the kinetics of osmotic pressure variation in the external medium.
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Akym Assani, Sylvie Moundanga, Laurent Beney, Patrick Gervais. Vesicle formation in the membrane of onion cells (Allium cepa) during rapid osmotic dehydration. Annals of Botany, Oxford University Press (OUP), 2009, 104 (7), pp.1389-1395. ⟨10.1093/aob/mcp256⟩. ⟨hal-02294167⟩

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