Journal of Experimental Botany
Journal of Experimental Botany
4 years ago

The roles of membranes and associated cytoskeleton in plant virus replication and cell-to-cell movement.

Gian Pietro Di Sansebastiano, Manfred Heinlein, Nicolas Pitzalis
The infection of plants by viruses depends on cellular mechanisms that support the replication of the viral genomes, and the cell-to-cell and systemic movement of the virus via plasmodesmata (PD) and the connected phloem. While the propagation of some viruses requires the conventional endoplasmic reticulum (ER)-Golgi pathway, others replicate and spread between cells in association with the ER and are independent of this pathway. Using selected viruses as examples, this review re-examines the involvement of membranes and the cytoskeleton during virus infection and proposes potential roles of class VIII myosins and membrane-tethering proteins in controlling viral functions at specific ER subdomains, such as cortical microtubule-associated ER sites, ER-plasma membrane contact sites, and PD.

Publisher URL: http://doi.org/10.1093/jxb/erx334

DOI: 10.1093/jxb/erx334

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