Many microbes “genetically invade” plants by introducing DNA or RNA molecules into the host cells. For example, plant viruses transport their genomes between host cells, whereas spp. transfer T-DNA to the cell nucleus and integrate it into the plant DNA. During these events, the transported nucleic acids must negotiate several barriers, such as plant cell walls, plasma membranes, and nuclear envelopes. This review describes the microbial and host proteins that participate in cell-to-cell transport and nuclear import of nucleic acids during infection by plant viruses and spp. Possible molecular mechanisms by which these transport processes occur are discussed.


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  • Article Type: Review Article
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