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Cell-to-cell transport of PVX involves novel features of the endomembrane network

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Plasmodesmata are channels between cells which provide a pathway for exchange of macromolecules involved in development, metabolism, defense. Plant viruses have been used as tools to understand the mechanisms available for cell-to-cell movement of macromolecules between cells. Toward this research, our laboratory uses Potato virus X which encodes three proteins to enable viral cell-to-cell movement. Two of these proteins interact with the ER and one protein is a silencing suppressor. Our recent investigations have shown that the ER plays an important role in virus cell-to-cell movement. ER stress is also triggered by virus infection and seems to be a factor modulating accumulation of viral movement proteins.

http://www.ento.okstate.edu/profiles/verchot.html

This talk is part of the Plant Sciences Departmental Seminars series.

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