Connections between virus movement, macromolecular signaling and assimilate allocation

William J. Lucas*, Shmuel Wolf

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

76 Scopus citations


Studies originating with plant viruses led to the concept that plasmodesmata potentiate the cell-to-cell trafficking of viral and endogenous proteins and nucleoprotein complexes. In this article, we develop the theme that, at the tissue/organ level, cell-to-cell trafficking of information molecules enables non-cell-autonomous control over a range of processes, whereas at the organismal level, the phloem serves as an information superhighway. The capacity to deliver proteins and nucleoprotein complexes, over long distances, allowed for the development of a viral surveillance/resistance mechanism, as well as the integration of processes at the whole-plant level.

Original languageAmerican English
Pages (from-to)192-197
Number of pages6
JournalCurrent Opinion in Plant Biology
Issue number3
StatePublished - Jun 1999

Bibliographical note

Funding Information:
Research in the authors’ laboratories was supported by grants from the National Science Foundation (IBN-94.06974 to WJ Lucas), the Department of Energy Division of Energy Biosciences (DE-FG03-94ER20134 to WJ Lucas) and the United States-Israel Binational Agricultural Research Development Fund (IS-2385.94C to S Wolf and Lucas).


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