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Volume 11
Issue 18
10.3390/plants11182403
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Review

Distinct Mechanisms of Endomembrane Reorganization Determine Dissimilar Transport Pathways in Plant RNA Viruses

by
Andrey G. Solovyev
1,2,3,
Anastasia K. Atabekova
2,
Alexander A. Lezzhov
1,
Anna D. Solovieva
2,
Denis A. Chergintsev
2 and
Sergey Y. Morozov
1,2,*
1
A. N. Belozersky Institute of Physico-Chemical Biology, Moscow State University, 119992 Moscow, Russia
2
Department of Virology, Biological Faculty, Moscow State University, 119234 Moscow, Russia
3
All-Russia Research Institute of Agricultural Biotechnology, 127550 Moscow, Russia
*
Author to whom correspondence should be addressed.
Plants 2022, 11(18), 2403; https://doi.org/10.3390/plants11182403
Submission received: 13 July 2022 / Revised: 2 August 2022 / Accepted: 13 September 2022 / Published: 15 September 2022
(This article belongs to the Special Issue Molecular Biology of Plant–Pathogen Interactions)
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Abstract

Plant viruses exploit the endomembrane system of infected cells for their replication and cell-to-cell transport. The replication of viral RNA genomes occurs in the cytoplasm in association with reorganized endomembrane compartments induced by virus-encoded proteins and is coupled with the virus intercellular transport via plasmodesmata that connect neighboring cells in plant tissues. The transport of virus genomes to and through plasmodesmata requires virus-encoded movement proteins (MPs). Distantly related plant viruses encode different MP sets, or virus transport systems, which vary in the number of MPs and their properties, suggesting their functional differences. Here, we discuss two distinct virus transport pathways based on either the modification of the endoplasmic reticulum tubules or the formation of motile vesicles detached from the endoplasmic reticulum and targeted to endosomes. The viruses with the movement proteins encoded by the triple gene block exemplify the first, and the potyviral system is the example of the second type. These transport systems use unrelated mechanisms of endomembrane reorganization. We emphasize that the mode of virus interaction with cell endomembranes determines the mechanism of plant virus cell-to-cell transport.
Keywords: plant virus; virus movement; movement protein; plasmodesmata; viral replication complexes; endomembrane system; endosome plant virus; virus movement; movement protein; plasmodesmata; viral replication complexes; endomembrane system; endosome

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MDPI and ACS Style

Solovyev, A.G.; Atabekova, A.K.; Lezzhov, A.A.; Solovieva, A.D.; Chergintsev, D.A.; Morozov, S.Y. Distinct Mechanisms of Endomembrane Reorganization Determine Dissimilar Transport Pathways in Plant RNA Viruses. Plants 2022, 11, 2403. https://doi.org/10.3390/plants11182403

AMA Style

Solovyev AG, Atabekova AK, Lezzhov AA, Solovieva AD, Chergintsev DA, Morozov SY. Distinct Mechanisms of Endomembrane Reorganization Determine Dissimilar Transport Pathways in Plant RNA Viruses. Plants. 2022; 11(18):2403. https://doi.org/10.3390/plants11182403

Chicago/Turabian Style

Solovyev, Andrey G., Anastasia K. Atabekova, Alexander A. Lezzhov, Anna D. Solovieva, Denis A. Chergintsev, and Sergey Y. Morozov. 2022. "Distinct Mechanisms of Endomembrane Reorganization Determine Dissimilar Transport Pathways in Plant RNA Viruses" Plants 11, no. 18: 2403. https://doi.org/10.3390/plants11182403

APA Style

Solovyev, A. G., Atabekova, A. K., Lezzhov, A. A., Solovieva, A. D., Chergintsev, D. A., & Morozov, S. Y. (2022). Distinct Mechanisms of Endomembrane Reorganization Determine Dissimilar Transport Pathways in Plant RNA Viruses. Plants, 11(18), 2403. https://doi.org/10.3390/plants11182403

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