Overview

Recombinant DNA technology or genetic engineering ushered in a new era in the study of plant viruses. The major breakthrough came in the 1980s, primarily due to the development of new methods for RNA reverse transcription and cDNA cloning, along with restriction enzyme mapping and rapid nucleotide sequencing. An information explosion in various molecular aspects of plant viruses was caused by these studies. 1990s research efforts investigate the study of viral genomes, genetic maps, genes and gene expression, gene products, and genetic basis of virus functions and biological properties. This text analyzes, collates and reviews such genetic variability; brings out the molecular basis of virus transport in plants and of virus transmission by vectors and of disease symptomatology; and discusses molecular biology of viroids and transgenic plants. It also treats the recently discovered genetic phenomenon of gene silencing and the gene-for-gene interactions between the hosts and plant viruses. biological properties.

Full Product Details

Author:   Chuni L. Mandahar
Publisher:   Springer
Imprint:   Springer
Edition:   1999 ed.
Dimensions:   Width: 15.50cm , Height: 1.90cm , Length: 23.50cm
Weight:   1.380kg
ISBN:  

9780792385479

ISBN 10:   0792385470
Pages:   281
Publication Date:   31 July 1999
Audience:   College/higher education ,  Professional and scholarly ,  Undergraduate ,  Postgraduate, Research & Scholarly
Format:   Hardback
Publisher's Status:   Active
Availability:   In Print  
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Table of Contents

1. Genome of RNA Viruses.- Specific Gene Classes.- Non-Coding Functions of Viral RNAs.- Interactions with Coat Protein.- Conclusions.- References.- 2. Genome of DNA Viruses.- Genome Organization.- Gene Functions.- Gene Expression.- References.- 3. Genome Organization in RNA Viruses.- Genome Maps of Positive-Stranded RNA Viruses.- Genome Maps of Plant Negative-Stranded RNA Viruses.- Genome Maps of Plant Double-Stranded RNA Viruses.- Conclusions.- Acknowledgements.- References.- 4. Gene Expression in Positive Strand RNA Viruses:Conventional and Aberrant Strategies.- Viral Genomic RNA as a Single Translation Unit.- Access to Internal Genes.- Proteolytic Processing.- Conclusions.- References.- 5. Molecular Basis of Genetic Variability in RNA Viruses.- Genetic Mechanisms of Variability.- Conclusions.- Acknowledgements.- References.- 6. Genetic Variability and Evolution.- Variability under Experimental Conditions.- Variability under Natural Conditions.- Factors Determining Genetic Structureof Virus Populations.- Conclusions.- Acknowledgements.- References.- 7. Molecular Basis of Virus Transport in Plants.- Pathways of Virus Movement.- Identification of Viral Movement Protein Genes.- Characteristics of Plant Viral Movement Proteins.- Tubules.- Models of Cell-to-Cell Movement.- Movement Protein-Host Interactions.- Viral Genes Influencing Vascular Movement.- Conclusions.- Acknowledgements.- References.- 8. Molecular Basis of Virus Transmission.- Transmission by Arthropod Vectors.- Transmission by Soil-Inhabiting Nematodes.- Transmission by Zoosporic Fungi.- Transmission by Seed and Pollen.- 9. Molecular Basis of Symptomatology.- Genetic Basis of Symptom Expression.- Molecular Biology of Symptom Expression.- Conclusions.- References.- 10. Gene-for-Gene Interactions.- Host Factors.- Virus Factors.- Plant Viruses Evolve to Evade Host Recognition.- Other Virus-Host Interactions Leading to Resistance.- Applications.- References.- 11. Molecular Biology of Viroids.- Viroids: The Simplest Genetic Systems.- Genomic Diversity.- Origin and Evolution.- Replication.- Genetic Determinants of Pathogenesis and Symptomatology.- Genetic Determinants of Other Viroid Functions.- References.- 12. Molecular Biology of Transgenic Plants.- Genetic Variability of Challenge Virus.- Heteroencapsidation.- Inheritance.- Synergism.- Other Effects.- Conclusions.- References.- 13. Gene Silencing.- Types of Gene Silencing.- Mechanisms of Gene Silencing.- Conclusions.- References.

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