ORIGIN AND EVOLUTION OF VIRUSES

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Origin And Evolution Of Viruses

Author : Esteban Domingo
ISBN : 0080564968
Genre : Science
File Size : 51.71 MB
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New viral diseases are emerging continuously. Viruses adapt to new environments at astounding rates. Genetic variability of viruses jeopardizes vaccine efficacy. For many viruses mutants resistant to antiviral agents or host immune responses arise readily, for example, with HIV and influenza. These variations are all of utmost importance for human and animal health as they have prevented us from controlling these epidemic pathogens. This book focuses on the mechanisms that viruses use to evolve, survive and cause disease in their hosts. Covering human, animal, plant and bacterial viruses, it provides both the basic foundations for the evolutionary dynamics of viruses and specific examples of emerging diseases. * NEW - methods to establish relationships among viruses and the mechanisms that affect virus evolution * UNIQUE - combines theoretical concepts in evolution with detailed analyses of the evolution of important virus groups * SPECIFIC - Bacterial, plant, animal and human viruses are compared regarding their interation with their hosts
Category: Science

Origin And Evolution Of Viruses

Author : Esteban Domingo
ISBN : 9780080538235
Genre : Medical
File Size : 64.1 MB
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Are infectious diseases caused by novel entities, viruses that have rapidly evolved into more pathogenic forms, or viruses that have crossed species divides and become more virulent in their alternative host? These questions and how new diseases such as AIDS emerged have prompted renewed interest in the ways viruses originated and co-evolved with their hosts. Origin and Evolution of Viruses presents a full and clear description of general viral concepts and specific viral systems, and provides an excellent foundation to our understanding of how viruses emerged. This unique and comprehensive work is essential reading for all researchers in virology, molecular biology and related areas, as well as evolutionary biologists interested in phylogenetic approaches to molecular evolution. The reader is taken on an illumination journey--in time and concepts--from the first primitive replicons to their present-day complex viral counterparts. Apart from the obvious interest, as humans are potential hosts for these viruses, there is also a great deal of academic interest in the evolutionary aspects of this simple group of organisms, since information can be gained about the origin of stains/species and evolutionary patterns that might be applicable to higher species. The book addresses: * Nature and evolution of early replicons * DNA and RNA viruses in both plants and animals * Viral origin, mutation, and survival * Antigenic variation in influenza virus * Interplay between host evolution and DNA virus evolution * Emergence of viral-induced diseases, e.g. hepatitis, influenza and HIV
Category: Medical

Viruses

Author : Joseph Panno
ISBN : 0816068550
Genre : Juvenile Nonfiction
File Size : 52.43 MB
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Learn all about viruses in this New Biology book.
Category: Juvenile Nonfiction

Origin Of Group Identity

Author : Luis P. Villarreal
ISBN : 0387779981
Genre : Science
File Size : 25.32 MB
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A sense of belonging is basic to the human experience. But in this, humans are not unique. Essentially all life, from bacteria to humans, have ways by which it determines which members belong and which do not. This is a basic cooperative nature of life I call group membership which is examined in this book. However, cooperation of living things is not easily accounted for by current theory of evolutionary biology and yet even viruses display group membership. That viruses have this feature would likely seem coincidental or irrelevant to most scientist as having any possible relationship to human group identity. Surely such simple molecular-based relationships between viruses are unrelated to the complex cognitive and emotional nature of human group membership. Yet viruses clearly affect bacterial group membership, which are the most diverse and abundant cellular life form on Earth and from which all life has evolved. Viruses are the most ancient, numerous and adaptable biological entities we know. And we have long recognized them for the harm and disease they can cause, and they have been responsible for the greatest numbers of human deaths. However, with the sequencing of entire genomes and more recently with the shotgun sequencings of habitats, we have come to realize viruses are the black hole of biology; a giant force that has until recently been largely unseen and historically ignored by evolutionary biology. Viruses not only can cause acute disease, but also persist as stable unseen agents in their host.
Category: Science

Plant Virus Evolution

Author : Marilyn J. Roossinck
ISBN : 3540757635
Genre : Science
File Size : 20.50 MB
Format : PDF
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This book provides a comprehensive look at the field of plant virus evolution. It is the first book ever published on the topic. Individual chapters, written by experts in the field, cover plant virus ecology, emerging viruses, plant viruses that integrate into the host genome, population biology, evolutionary mechanisms and appropriate methods for analysis. It covers RNA viruses, DNA viruses, pararetroviruses and viroids, and presents a number of thought-provoking ideas.
Category: Science

Viruses

Author : Paula Tennant
ISBN : 9780128111949
Genre : Science
File Size : 48.94 MB
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Viruses: Molecular Biology, Host Interactions, and Applications to Biotechnology provides an up-to-date introduction to human, animal and plant viruses within the context of recent advances in high-throughput sequencing that have demonstrated that viruses are vastly greater and more diverse than previously recognized. It covers discoveries such as the Mimivirus and its virophage which have stimulated new discussions on the definition of viruses, their place in the current view, and their inherent and derived ‘interactomics’ as defined by the molecules and the processes by which virus gene products interact with themselves and their host’s cellular gene products. Further, the book includes perspectives on basic aspects of virology, including the structure of viruses, the organization of their genomes, and basic strategies in replication and expression, emphasizing the diversity and versatility of viruses, how they cause disease and how their hosts react to such disease, and exploring developments in the field of host-microbe interactions in recent years. The book is likely to appeal, and be useful, to a wide audience that includes students, academics and researchers studying the molecular biology and applications of viruses Provides key insights into recent technological advances, including high-throughput sequencing Presents viruses not only as formidable foes, but also as entities that can be beneficial to their hosts and humankind that are helping to shape the tree of life Features exposition on the diversity and versatility of viruses, how they cause disease, and an exploration of virus-host interactions
Category: Science

Viruses And The Evolution Of Life

Author : Luis P. Villarreal
ISBN : 1555813097
Genre : Science
File Size : 21.48 MB
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Viruses and the Evolution of Life is an intriguing presentation of the virus–host relationship, as revealed through an examination of host evolution. This new volume avails the informed reader of a new perspective on the evolution of life while targeting the expert reader with discussions of specific scientific literature. Addresses the adaptation and evolution of viruses and, more importantly, the role of viruses in evolutionary biology Develops integrated themes for study of virology Contributes valuable information to the understanding of the virus–host relationship Integrates the relationship between genetic parasites found in host genomes with the virology of the host Communicates basic principles to the informed reader while presenting a scholarly evaluation of literature to challenge the specialist Written by one of the foremost experts in the field
Category: Science

Viruses

Author : Arnold Jay Levine
ISBN : 9780716750314
Genre : Viruses.
File Size : 60.24 MB
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Discusses the enormous scientific and medical contributions that have come from the field of virology.
Category: Viruses.

The Evolution And Emergence Of Rna Viruses

Author : Edward C. Holmes
ISBN : 9780199211128
Genre : Medical
File Size : 23.58 MB
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While the study of viral evolution has developed rapidly in the last 30 years, little attention has been directed toward linking the mechanisms of viral evolution to the epidemiological outcomes of these processes. This book intends to fill this gap by considering the patterns and processes of viral evolution at all its spatial and temporal scales.
Category: Medical

Viruses Essential Agents Of Life

Author : Günther Witzany
ISBN : 9789400748996
Genre : Science
File Size : 52.50 MB
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A renaissance of virus research is taking centre stage in biology. Empirical data from the last decade indicate the important roles of viruses, both in the evolution of all life and as symbionts of host organisms. There is increasing evidence that all cellular life is colonized by exogenous and/or endogenous viruses in a non-lytic but persistent lifestyle. Viruses and viral parts form the most numerous genetic matter on this planet.
Category: Science