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Trends Microbiol. 2001 Jan;9(1):5-8; discussion 8.

Phosphorylation of viral movement proteins--regulation of cell-to-cell trafficking.

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Section of Plant Biology, University of California, Davis, CA 95616, USA.


In plants, proteins and nucleoprotein complexes can traffic from cell to cell, via plasmodesmata. Studies based on viral movement proteins (MP) have revealed that such trafficking events are likely to be regulated at the level of protein phosphorylation. Plasmodesmal-associated protein kinases could play a central role in plant defense, in addition to regulating the translatability of endogenous MP-mRNA complexes that function at a supracellular level.

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