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About this book
About this book
Highlights the progress of knowledge in different areas of plant molecular virology over the last decade. Contains information on virus taxonomy, the molecular basis of virus tansmission, replication and gene expression of RNA/DNA viruses, and novel aspects of plant virus detection technologies.
Contents Preface Chapter 1. The Principles and Current Practice of Plant Virus Taxonomy Introduction The Underlying Principles The Role of ICTV The Current System of Plant Virus Classification Future Prospects Chapter 2. How to Write The Names of Virus Species Chapter 3. Genes Involved in Insect-Mediated Transmission of Plant Viruses Introduction Insect Vectors of Plant Viruses Classification of Transmission Modes Nonpersistent and Semipersistent Transmission Circulative Nonpropagative Transmission Circulative Propagative Transmission Concluding Remarks Chapter 4. Characteristic Features of Virus Transmission by Nematodes Introduction Vector Nematodes Viruses Transmitted by Nematodes Mechanism of Virus Transmission Control of Nematode-Transmitted Viruses Chapter 5. Virus Transmission by Fungal Vectors Introduction Fungal Vectors Fungus-Transmitted Viruses Modes of Transmission Mechanism of Virus-Vector Association Epidemiology and Control of fungus-Borne Viruses Conclusions Chapter 6. Seed Transmission of Viruses: Biological and Molecular Insights Introduction Biological Characteristics Genetic Determinants Conclusions Chapter 7. Molecular Biology of Plant Virus Movement Introduction Movement of Plant Viruses Current Status Chapter 8. Mechanism of RNA Synthesis by a Viral RNA-Dependent RNA Polymerase Introduction Initiation of RNA Synthesis Abortive Synthesis Transition from Initiation to Elongation Termination of RNA Synthesis Comparison of RNA-Dependent and DNA-Dependent RNA Synthesis Final Comments Chapter 9. Gene Expression Strategies of RNA Viruses Introduction Subgenomic RNAs and Genome Segmentation Initiation of Translation Elongation of Translation Termination of Translation Polyprotein Processing and Host Factors Outlook Chapter 10. Recombination in Plant RNA Viruses Introduction Overview of Research History on The Recombination of Plant RNA Viruses Recombination in Cucumoviruses Newly Evolved Recombinant Viruses Between CMV and TAV Summary and Conclusion Chapter 11. Variability and Evolution of Potato virus Y (PVY), The Type-Member of the Potyvirus Genus Introduction The Family Potyviridae Relationship Between Potyvirus Species Biological Diversity of PVY Genetic Variability of PVY Mechanisms Leading to RNA Genome Polymorphisms Conclusions Chapter 12. Geminvirus Replication and Gene Expression Introduction Geminivirus Classification Genome Structure Geminivirus Infection Cycle: A Brief Overview Geminivirus Replication Control of Viral Gene Expression Concluding Remarks Chapter 13. The Molecular Epidemiology of Begomoviruses Introduction Begomoviruses: Distribution and Characteristics Detection, Identification, and Classification of Begomoviruses Begomoviruses Suscepts and Hosts in Relation to Epidemiology Whitefly Vector Biology that Influences Epidemiology Vector Biotypes, Races, and Variants on Virus Spread New Diseases, Epidemics, and Pandemics Conclusions Chapter 14. Translational Strategies in Members of the Family Caulimoviridae Introduction Architecture of Viral RNA General Enhancement of Expression Shunting, The Concept Shunting, The Details and Mechanism Leaky Scanning (Bacilliform Caulimoviruses) Activated Polycistronic Translation Transactivation and Shunting Biological Significance of Ribosome Shunt Gag-Pol Translation Making Use of Translational Control Concluding Remarks Chapter 15. Recombination in Plant DNA Viruses Introduction Recombination in Plant ssDNA Viruses Recombination in Plant dsDNA Viruses Conclusions Chapter 16. Natural Resistance to Viruses Introduction Distinguishing a Non-Host from a Host The Terms Describing Virus-Host Interactions and Resistance Host Responses Conferring Resistance to Viruses Identification of the Genes Involved in Resistance Recognition of the Virus: The Gene-for-Gene Theory Viral Suppressor of Resistance Future Uses of the Natural Virus Resistance Genes Chapter 17. Engineering Virus Resistance in Plants Introduction Structure and Genetic Organization of Plant Viral Genomes Engineered Virus Resistance to Viruses Advantages of RNA-Mediated Resistance Concluding Remarks Chapter 18. Antibody Expression in Plants Introduction Antibody-Mediated Viral Resistance in Transgenic Plants Expression of Recombinant Antibodies Using Plant Virus Gene Vectors Conclusions Chapter 19. Nucleic Acid Molecular Hybridization for Plant Virus and Viroid Detection Introduction The Principle of the Nucleic Acid Hybridization Method Types of Labels Sample Preparation Pre-Hybridization Hybridization Washing Procedures Detection Procedures Sensitivity of the Detection Application to Viruses and Viroids Conclusions Chapter 20. Application of PCR in Plant Virology Introduction Aspects of PCR Template Preparation Plant Virus Detection and Differentiation Real Time, Quantitative PCR Virus Strain Discrimination Viral Genome Characterization Molecular Plant Virology Applications Conclusions Chapter 21. Plant Virus Detection in Animal Vectors Introduction Detection by Earlier Methods Detection by a New Method Detection in Animal Vectors The Presence of Virus in a Vector and Biological Transmission to Plants Conclusions Tables Index Reference Notes Included