1st Edition

Plant Viruses As Molecular Pathogens

By Jawaid A. Khan, Jeanne Dijkstra Copyright 2001
    537 Pages
    by CRC Press

    537 Pages
    by CRC Press

    Learn to produce healthier crops and better harvests!

    This uniquely valuable book highlights the tremendous progress of knowledge in different areas of the field over the last decade. Here you'll find new and useful information about plant molecular virology and how the field can improve the world food situation in the coming years.

    The last decade has seen remarkable advances in plant virological research, owing mainly to the rapid progress made in molecular biology and genetic engineering in recent years. While recombinant DNA technology has significantly contributed to our understanding of plant viruses, new findings are being accumulated every day as reported in various publications. Plant Viruses As Molecular Pathogens is the only book to bring you all of this information--22 chapters--in a single volume, compiled by specialists around the globe!

    Use Plant Viruses As Molecular Pathogens to enhance your knowledge of:

    • current virus taxonomy
    • the molecular basis of virus transmission
    • movement of plant viruses
    • replication and gene expression of RNA/DNA viruses
    • resistance to viruses
    • molecular epidemiology
    • recombination events and possible mechanisms
    • molecular diversity
    • novel aspects of plant virus detection technologies
    With helpful illustrations, photos, figures, models that explain viral mechanisms, and easy-to-understand reference tables, Plant Viruses As Molecular Pathogens will stimulate your thinking on this fascinating area of plant science!

    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

    Biography

    Jawaid A. Khan, Jeanne Dijkstra