Virus-Resistant Transgenic Plants: Potential Ecological Impact

1 Virus Evolution; the Past, a Window on the Future?.- 2 Systematic Search for Recombination Events in Plant Viruses and Viroids.- 3 Different Mechanisms of Homologous and Nonhomologous Recombination in Brome Mosaic Virus, a Model Plant RNA Virus.- 4 Studies on RNA Recombination in vivo and in vitro.- 5 Significance of RNA Recombination in Capsid Protein-Mediated Virus-Resistant Transgenic Plants.- 6 Transgenic Plants Expressing Viral Sequences Create a Favourable Environment for Recombination Between Viral Sequences.- 7 Behavior of Cucumovirus Pseudorecombinant and Recombinant Strains in Solanaceous Hosts.- 8 Recombination Between Cauliflower Mosaic Virus and Transgenic Plants that Contain CaMV Transgenes: Influence of Selection Pressure on Isolation of Recombinants.- 9 Synergy of Virus Accumulation and Pathology in Transgenic Plants Expressing Viral Sequences.- 10 Risk Assessment of Transgenic Plants Expressing the Coat Protein Gene of Plum Pox Potyvirus.- 11 Mixed Infections and Genetic Exchange Occur in Natural Populations of Cucumber Mosaic Cucumovirus.- 12 The Potential of a Beneficial Satellite RNA of Cucumber Mosaic Virus to Acquire Deleterious Functions: Nature Versus Greenhouses.- 13 Ecological Impact of Transgenic Virus-Resistance in Crop, Weed, and Wild Plant Populations (Due to Potential Alterations of Plant Invasiveness).- 14 Risk Assessment of Gene Flow Associated with the Release of Virus-Resistant Transgenic Crop Plants.- 15 Concluding Remarks and Recommendations.- Index of Viruses.- Index of Plants.