Abstract
Eukaryotic RNA viruses show a wide variation in genomic structure and organization. This is particularly true for RNA viruses infecting plants, which may have either segmented or nonsegmented genomes that are expressed using a variety of translation strategies. Despite this variation, nucleotide sequence data reveal many interviral relationships and indicate that plant RNA viruses can be grouped into a small number of clusters. A review will be given of the genetic relationships that exist between the plant RNA viruses studied so far.
Cowpea mosaic virus is one of the best studied RNA viruses that employ polyprotein processing as a translation strategy. Still, many aspects of the viral infection process have remained obscure so far, e.g. the RNA replication process, translocation through plant tissue, and various aspects of virus-host interaction. A well-defined protoplast system, and the generation of desired virus mutants using cDNA clones will be invaluable in the future unravelling of the viral infection process.
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© 1990 Springer-Verlag Berlin Heidelberg
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Goldbach, R. et al. (1990). Genetic Organization, Evolution and Expression of Plant Viral RNA Genomes. In: Fraser, R.S.S. (eds) Recognition and Response in Plant-Virus Interactions. NATO ASI Series, vol 41. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-74164-7_8
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DOI: https://doi.org/10.1007/978-3-642-74164-7_8
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