Virus as Populations

Virus as Populations PDF Author: Esteban Domingo
Publisher: Academic Press
ISBN: 0128163321
Category : Science
Languages : en
Pages : 428

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Book Description
Virus as Composition, Complexity, Quasispecies, Dynamics, and Biological Implications, Second Edition, explains the fundamental concepts surrounding viruses as complex populations during replication in infected hosts. Fundamental phenomena in virus behavior, such as adaptation to changing environments, capacity to produce disease, and the probability to be transmitted or respond to treatment all depend on virus population numbers. Concepts such as quasispecies dynamics, mutations rates, viral fitness, the effect of bottleneck events, population numbers in virus transmission and disease emergence, and new antiviral strategies are included. The book's main concepts are framed by recent observations on general virus diversity derived from metagenomic studies and current views on the origin and role of viruses in the evolution of the biosphere. - Features current views on key steps in the origin of life and origins of viruses - Includes examples relating ancestral features of viruses with their current adaptive capacity - Explains complex phenomena in an organized and coherent fashion that is easy to comprehend and enjoyable to read - Considers quasispecies as a framework to understand virus adaptability and disease processes

Virus as Populations

Virus as Populations PDF Author: Esteban Domingo
Publisher: Academic Press
ISBN: 0128163321
Category : Science
Languages : en
Pages : 428

Get Book Here

Book Description
Virus as Composition, Complexity, Quasispecies, Dynamics, and Biological Implications, Second Edition, explains the fundamental concepts surrounding viruses as complex populations during replication in infected hosts. Fundamental phenomena in virus behavior, such as adaptation to changing environments, capacity to produce disease, and the probability to be transmitted or respond to treatment all depend on virus population numbers. Concepts such as quasispecies dynamics, mutations rates, viral fitness, the effect of bottleneck events, population numbers in virus transmission and disease emergence, and new antiviral strategies are included. The book's main concepts are framed by recent observations on general virus diversity derived from metagenomic studies and current views on the origin and role of viruses in the evolution of the biosphere. - Features current views on key steps in the origin of life and origins of viruses - Includes examples relating ancestral features of viruses with their current adaptive capacity - Explains complex phenomena in an organized and coherent fashion that is easy to comprehend and enjoyable to read - Considers quasispecies as a framework to understand virus adaptability and disease processes

Origin and Evolution of Viruses

Origin and Evolution of Viruses PDF Author: Esteban Domingo
Publisher: Elsevier
ISBN: 0080564968
Category : Science
Languages : en
Pages : 573

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Book Description
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

The Evolution and Emergence of RNA Viruses

The Evolution and Emergence of RNA Viruses PDF Author: Edward C. Holmes
Publisher: Oxford University Press
ISBN: 0199211124
Category : Language Arts & Disciplines
Languages : en
Pages : 267

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Book Description
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.

Viruses

Viruses PDF Author: Paula Tennant
Publisher: Academic Press
ISBN: 0128111941
Category : Science
Languages : en
Pages : 393

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Book Description
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

Quantitative Viral Ecology

Quantitative Viral Ecology PDF Author: Joshua S. Weitz
Publisher: Princeton University Press
ISBN: 0691161542
Category : Science
Languages : en
Pages : 354

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Book Description
When we think about viruses we tend to consider ones that afflict humans—such as those that cause influenza, HIV, and Ebola. Yet, vastly more viruses infect single-celled microbes. Diverse and abundant, microbes and the viruses that infect them are found in oceans, lakes, plants, soil, and animal-associated microbiomes. Taking a vital look at the "microscopic" mode of disease dynamics, Quantitative Viral Ecology establishes a theoretical foundation from which to model and predict the ecological and evolutionary dynamics that result from the interaction between viruses and their microbial hosts. Joshua Weitz addresses three major questions: What are viruses of microbes and what do they do to their hosts? How do interactions of a single virus-host pair affect the number and traits of hosts and virus populations? How do virus-host dynamics emerge in natural environments when interactions take place between many viruses and many hosts? Emphasizing how theory and models can provide answers, Weitz offers a cohesive framework for tackling new challenges in the study of viruses and microbes and how they are connected to ecological processes—from the laboratory to the Earth system. Quantitative Viral Ecology is an innovative exploration of the influence of viruses in our complex natural world.

Quasispecies: Concept and Implications for Virology

Quasispecies: Concept and Implications for Virology PDF Author: Esteban Domingo
Publisher: Springer Science & Business Media
ISBN: 3540263977
Category : Medical
Languages : en
Pages : 413

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Book Description
Continuous genetic variation and selection of virus subpopulations in the course of RNA virus replications are intimately related to viral disease mechanisms. The central topics of this volume are the origins of the quasispecies concept, and the implications of quasispecies dynamics for viral populations.

Plant Virus Evolution

Plant Virus Evolution PDF Author: Marilyn J. Roossinck
Publisher: Springer Science & Business Media
ISBN: 3540757635
Category : Science
Languages : en
Pages : 227

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Book Description
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.

Essential Human Virology

Essential Human Virology PDF Author: Jennifer Louten
Publisher: Academic Press
ISBN: 0323914926
Category : Science
Languages : en
Pages : 412

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Book Description
Essential Human Virology, Second Edition focuses on the structure and classification of viruses, virus transmission and virus replication strategies based upon type of viral nucleic acid. Several chapters focus on notable and recognizable viruses and the diseases caused by them, including influenza, HIV, hepatitis viruses, poliovirus, herpesviruses and emerging and dangerous viruses. Additionally, how viruses cause disease (pathogenesis) is highlighted, along with discussions on immune response to viruses, vaccines, anti-viral drugs, gene therapy, the beneficial uses of viruses, research laboratory assays and viral diagnosis assays. Fully revised and updated with new chapters on coronaviruses, nonliving infectious agents, and notable non-human viruses, the book provides students with a solid foundation in virology. - Focuses on human diseases and the cellular pathology that viruses cause - Highlights current and cutting-edge technology and associated issues - Presents real case studies and current news highlights in each chapter - Features dynamic illustrations, chapter assessment questions, key terms, and a summary of concepts, as well as an instructor website with lecture slides, a test bank and recommended activities - Updated and revised, with new chapters on coronaviruses, nonliving infectious agents, and notable non-human viruses

Virus Evolution

Virus Evolution PDF Author: Scott C. Weaver
Publisher: Caister Academic Press Limited
ISBN: 9781910190234
Category : Medical
Languages : en
Pages : 0

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Book Description
The field of virus evolution has developed during the past three decades, from one considered by many to be esoteric and unimportant for human and agricultural health, to a major driver of our thinking about infectious diseases of plants and animals. The field has been spurred on during the past 30 years by emerging viral diseases such as HIV/AIDS, hantaviruses, SARS, MERS, and Ebola, along with discoveries of the quasispecies nature and potential for rapid evolution and diversification of RNA virus populations. Over time, the focus of research has expanded and developed to encompass a diverse mixture of approaches, from highly theoretical and mechanistic studies of the basic evolutionary mechanisms to detailed research on the molecular host range, as well as virulence changes responsible for emerging viral diseases. This timely book addresses a wide range of current questions and research approaches at the forefront of the field and highlights recent advances in the understanding of the history and mechanisms of virus evolution. Wherever possible, the book's contributors have integrated information from the study of plant, animal, and bacterial viruses. Every effort has been made to unify findings and to highlight the diversity in patterns and modes of virus evolution between systems in order to aid comparative analysis. The book will be essential reading for everyone working on virus evolution and emerging viral diseases. It is also recommended for anyone working in the area of viral pathogenesis. [Subject: Microbiology, Virology, Life Science]

CDC Yellow Book 2018: Health Information for International Travel

CDC Yellow Book 2018: Health Information for International Travel PDF Author: Centers for Disease Control and Prevention CDC
Publisher: Oxford University Press
ISBN: 0190628634
Category : Medical
Languages : en
Pages : 705

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Book Description
THE ESSENTIAL WORK IN TRAVEL MEDICINE -- NOW COMPLETELY UPDATED FOR 2018 As unprecedented numbers of travelers cross international borders each day, the need for up-to-date, practical information about the health challenges posed by travel has never been greater. For both international travelers and the health professionals who care for them, the CDC Yellow Book 2018: Health Information for International Travel is the definitive guide to staying safe and healthy anywhere in the world. The fully revised and updated 2018 edition codifies the U.S. government's most current health guidelines and information for international travelers, including pretravel vaccine recommendations, destination-specific health advice, and easy-to-reference maps, tables, and charts. The 2018 Yellow Book also addresses the needs of specific types of travelers, with dedicated sections on: · Precautions for pregnant travelers, immunocompromised travelers, and travelers with disabilities · Special considerations for newly arrived adoptees, immigrants, and refugees · Practical tips for last-minute or resource-limited travelers · Advice for air crews, humanitarian workers, missionaries, and others who provide care and support overseas Authored by a team of the world's most esteemed travel medicine experts, the Yellow Book is an essential resource for travelers -- and the clinicians overseeing their care -- at home and abroad.