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Books > Science & Mathematics > Biology, life sciences > Microbiology (non-medical) > Virology

Positive-Strand RNA Viruses (Paperback, Softcover reprint of the original 1st ed. 1994): Margo A. Brinton, Charles H. Calisher,... Positive-Strand RNA Viruses (Paperback, Softcover reprint of the original 1st ed. 1994)
Margo A. Brinton, Charles H. Calisher, Roland Rueckert
R1,728 Discovery Miles 17 280 Ships in 10 - 15 working days

Positive-strand RNA viruses include the majority of the plant viruses, a number of insect viruses, and animal viruses, such as coronaviruses, togaviruses, flaviviruses, poliovirus, hepatitis C, and rhinoviruses. Works from more than 50 leading laboratories represent latest research on strategies for the control of virus diseases: molecular aspects of pathogenesis and virulence; genome replication and transcription; RNA recombination; RNA-protein interactions and host-virus interactions; protein expression and virion maturation; RNA replication; virus receptors; and virus structure and assembly. Highlights include analysis of the picornavirus IRES element, evidence for long term persistence of viral RNA in host cells, acquisition of new genes from the host and other viruses via copy-choice recombination, identification of molecular targets and use of structural and molecular biological studies for development of novel antiviral agents.

Unconventional Agents and Unclassified Viruses - Recent Advances in Biology and Epidemiology (Paperback, Softcover reprint of... Unconventional Agents and Unclassified Viruses - Recent Advances in Biology and Epidemiology (Paperback, Softcover reprint of the original 1st ed. 1993)
O-.R. Kaaden, W. Eichhorn, C.P. Czerny
R1,601 Discovery Miles 16 010 Ships in 10 - 15 working days

Among unconventional agents and unclassified viruses the contributions to this volume focused on prion-related diseases, with special emphasis on bovine spongiform encephalopathy and human spongiform encephalopathies, and Borna disease virus, an agent known since long time to be pathogenic for horses and sheep, which is now discussed as a potential pathogen for humans. Additionally, the volume contains articles about newly discovered viruses like porcine respiratory and reproductive syndrome virus and viruses that are classified only provisionally like African swine fever virus, hepatitis C and E viruses, or the arteriviruses.

Practical Molecular Virology (Paperback, 1991 ed.): Mary K. Collins Practical Molecular Virology (Paperback, 1991 ed.)
Mary K. Collins
R3,004 Discovery Miles 30 040 Ships in 10 - 15 working days

Recombinant viruses provide an efficient mechanism for the transfer and expression of DNA in eukaryotic cells. First, the transfer of DNA by viral infection-utilizing specific cell surface receptors and cellular intern- ization mechanisms-occurs much more readily than DNA transfer via uptake induced by such physical methods as calcium phosphate coprecipitation or electroporation. Second, the novel strategies employed by the virus to express its own genes can then be "hijacked" in the recombinant virus to express the researcher's gene of interest The purpose of Practical Molecular Virology isthus to compile a coll- tion of readily repeatable gene transfer and expression methods from wo- ers expert in the use of a variety of recombinant viral vectors . These include those designed for the production of recombinant antigens, such as pol- virus and yeast Ty-VLPs; those giving very high levels of recombinant protein expression, for example, baculovirus, vaccinia virus, and SV40; and finally viral vectors used for efficient, stable gene transfer to eu otic cells, such as retroviruses and herpesviruses . The first chapter describes the viral life cycle for each virus, and explains how this can be adapted to allow construction of recombinant vectors. Subsequent chapters deal with methods for producing and char- terizing recombinant viruses . I make no apology for the hyperproliferation of chapters dealing with recombinant retroviral methods and applications, since I believe this is clearly proportional to the recent expansion of interest in these techniques.

If God Is a Virus (Hardcover): Seema Yasmin If God Is a Virus (Hardcover)
Seema Yasmin
R1,025 Discovery Miles 10 250 Ships in 12 - 19 working days

Based on original reporting from West Africa and the United States, and the poet's experiences as a doctor and journalist, If God Is A Virus charts the course of the largest and deadliest Ebola epidemic in history, telling the stories of Ebola survivors, outbreak responders, journalists and the virus itself. Documentary poems explore which human lives are valued, how editorial decisions are weighed, what role the aid industrial complex plays in crises, and how medical myths and rumor can travel faster than microbes. These poems also give voice to the virus. Eight percent of the human genome is inherited from viruses and the human placenta would not exist without a gene descended from a virus. If God Is A Virus reimagines viruses as givers of life and even authors of a viral-human self-help book.

Classification and Nomenclature of Viruses - Fifth Report of the International Committee on Taxonomy of Viruses. Virology... Classification and Nomenclature of Viruses - Fifth Report of the International Committee on Taxonomy of Viruses. Virology Division of the International Union of Microbiological Societies (Paperback, Softcover reprint of the original 1st ed. 1991)
R.I.B. Francki, C.M. Fauquet, D.L. Knudson, F. Brown
R2,746 Discovery Miles 27 460 Ships in 10 - 15 working days

The Fifth Report of the International Committee on Taxonomy of Viruses (ICTV), summarizes the proceedings and decisions reached by the ICTV at its meetings held at the International Congresses of Virology in Sendai (1984), Edmonton (1987) and Berlin (1990). This report has been organized in the same way as the previous ones (Wildy, 1971; Fenner, 1976; Matthews, 1979; 1982), yet it encompasses many more families and groups of viruses than previous reports, and it includes new tables, diagrams and keys. The officers and members of the ICTV study groups from 1984 to 1990 are listed, as the current ICTV statutes and rules of nomenclature. Information on the format for submission of new taxonomic proposals to the ICTV is also provided. Since the Fourth Report of the ICTV (1982), 19 new virus families and groups have been described. This report includes 2,430 viruses belonging to 73 families or groups, as well as virus satellites and viroids descriptions, but it does not include descriptions not approved by the ICTV. It now will be possible to publish such preliminary, and in some cases controversial, descriptions in the Virology Division pages of the Archives of Virology --this will allow virologists to carry on the kind of interim dialogue that is necessary for arriving at broad agreement on taxonomic matters.

Hemorrhagic Fever with Renal Syndrome, Tick- and Mosquito-Borne Viruses (Paperback, Softcover reprint of the original 1st ed.... Hemorrhagic Fever with Renal Syndrome, Tick- and Mosquito-Borne Viruses (Paperback, Softcover reprint of the original 1st ed. 1991)
C.H. Calisher
R1,648 Discovery Miles 16 480 Ships in 10 - 15 working days

This volume summarizes selected papers presented at two symposia convened in the fall of 1989. The papers include information on the molecular biology, antigenicity, diagnosis, epidemiology, clinical aspects, pathogenesis, vaccines and other aspects of haermorrhagic fever with renal syndrome and tick (tick-borne encephalitis, Congo-Crimean haemorrhagic fever, Duqbe, orbiviruses, orthomyxoviruses) and mosquito-borne (California serogroup, alphaviruses from Mongolia, sandfly fevers in Central Asia and Afghanistan) viruses. Although covering a wide range of subjects and perspectives, the book is intended to provide readers with an integrated view of the geographical distribution, properties and effects, recognition and prevention of infections with these and other viruses. Included are papers describing newly recognized viruses, virus diseases, foci, techniques for detection and diagnosis, and vaccines.

Environmental Virology (Paperback): V. Chalapati Rao Environmental Virology (Paperback)
V. Chalapati Rao
R1,460 Discovery Miles 14 600 Ships in 10 - 15 working days

We have attempted to provide a concise and up to date account of human viruses in the environment with attention to basic tools now available for monitoring viruses. We have aimed this introductory volume at young students, teachers and investigators in microbiology, virology, environmental engineering and health sciences. As the routes for virus dissemination become more varied, there is an enhanced potential for causing infection in humans. Improvement in the development of control strategies will alleviate the magnitude of viral pollution of the environment. This volume will introduce the reader to an area of science which of necessity must utilize a variety of disciplines. V.CHALAPATIRAO JOSEPH L. MELNICK v We humbly dedicate this volume to the cherished memory of our parents Contents Preface v 1 Introduction 1 References 9 2 Human enteric viruses in polluted water 10 Enteroviruses 10 Hepatitis A virus 11 Non-A, non-B hepatitis 12 Norwalk and Norwalk-like agents 12 Rotaviruses 13 Adenoviruses 13 Parvoviruses 14 Enteric viruses in the etiology of water-borne disease 14 Summary 16 References 16 3 Monitoring for viruses in wastewater and water 18 Why water should be monitored for viral contamination 18 Methods for monitoring viral contamination 19 Virus isolation from sewage, and surface and drinking water 25 Indicators for viruses 30 Standards for viruses in drinking water 32 Future developments in virus detection 33 Summary 38 References 39 4 Virus removal by treatment processes 41 Advanced waste treatment (tertiary treatment) 46 Disinfection 49 Summary 54 References 54

Introduction to Virology (Paperback): K Smith Introduction to Virology (Paperback)
K Smith
R2,853 Discovery Miles 28 530 Ships in 10 - 15 working days

The study of viruses, or virology as it is now called, had its origin in 1892 when a Russian botanist, Iwanawsky, showed that sap from a tobacco plant with an infectious disease was still highly infectious after passage through a filter capable of retaining bacterial cells. From such humble beginnings the study of these 'filter-passing agents', or viruses, has developed into a separate science which rivals, if it does not excel, in importance the whole of bacteriology. The importance of viruses lies not only in the diseases they cause in every type of living organism, but also because of their intimate relationship with the living cell, in which alone they can reproduce. Their study has influenced the whole of biology by greatly increasing our knowledge of the gene, genetics, and molecular structure; there is also the possible connexion of viruses with human cancer, in view of the occurrence of many viral cancers in other animals. The book attempts to give a comprehensive but necessarily superficial survey of the subject as a whole and should help senior undergraduates and postgraduate students who wish to gain some knowledge of virology. Further information is available from the extensive bibliography.

Molecular Virology (Paperback): T.H. Pennington Molecular Virology (Paperback)
T.H. Pennington
R1,460 Discovery Miles 14 600 Ships in 10 - 15 working days

1. 1 Historical development of molecular virology of effort on a limited number of phages, Viruses have occupied a central position in notably the Escherichia coli phages T2 and T4. molecular biology ever since its development as At the same time Lwoff and his colleagues were an independent discipline. Indeed, molecular studying phage A, a temperate phage of E. coli, biology itselflargely developed out of the work which was to lead to equally fundamental pioneer studies of Delbriick, Luria and Hershey, observations on the regulation of macro who realized, in the late 1930's, that bacterial molecular synthesis. viruses (bacteriophages, often abbreviated to The study of animal and plant viruses has its phages) had properties which made them origins in the latter half of the 19th century uniquely suitable as a model system for an and was largely initiated by workers in medical, attack on one of the then outstanding problems veterinary and agricultural disciplines. Many of of biology, the definition of the gene in their practical successes owe little to molecular physical and chemical terms. The favourable biology, stemming instead from those properties of these viruses include the rapidity approaches successful in combating other of their growth, their ease of assay, and the parasites, such as vector control and the availability of easily scored genetic markers. breeding of resistant varieties of plants."

A Planet of Viruses - Third Edition (Paperback, 3rd edition): Carl Zimmer A Planet of Viruses - Third Edition (Paperback, 3rd edition)
Carl Zimmer
R426 R394 Discovery Miles 3 940 Save R32 (8%) Ships in 10 - 15 working days

In 2020, an invisible germ-a virus-wholly upended our lives. We're most familiar with the viruses that give us colds or Covid-19. But viruses also cause a vast range of other diseases, including one disorder that makes people sprout branch-like growths as if they were trees. Viruses have been a part of our lives for so long that we are actually part virus: the human genome contains more DNA from viruses than our own genes. Meanwhile, scientists are discovering viruses everywhere they look: in the soil, in the ocean, even in deep caves miles underground. Fully revised and updated, with new illustrations and a new chapter about coronaviruses and the spread of Covid-19, this third edition of Carl Zimmer's A Planet of Viruses pulls back the veil on this hidden world. It presents the latest research on how viruses hold sway over our lives and our biosphere, how viruses helped give rise to the first life-forms, how viruses are producing new diseases, how we can harness viruses for our own ends, and how viruses will continue to control our fate as long as life endures

Viruses and the Nucleus (Hardcover): JA Hiscox Viruses and the Nucleus (Hardcover)
JA Hiscox
R4,873 Discovery Miles 48 730 Ships in 12 - 19 working days

Viruses have limited genome-coding capacities and must therefore rely on their host cells to facilitate every step of the infection cycle from the replication of their genomes, transcription and translation of mRNAs to virus assembly. Aimed at virologists and cell biologists"Viruses and the Nucleus" provides a comprehensive and cohesive overview of this fascinating and fast moving field. It compares and contrasts the ways in which DNA viruses, retroviruses and RNA viruses interact with the host cell nucleus to bring about replication and how they subvert the host cell function to proliferate and survive.

Written by a team of leading experts in the field, this multi-authored text begins with an introduction to the key nuclear process that effect virus biology including cell cycle, transcription, splicing and protein trafficking. It then goes on to explore the advances that have been made in understanding the ways in which specific viruses interact with nuclear sub-structures such as the nucleolus and ND10s, and the implications this interrelationship has for the cell cycle as a whole.

('Key Features' bullet points to be put in one box) Comprehensive cross disciplinary coverage of the interrelationship between cell biology and virology. Written by leading experts, this authorative book provides an up to date overview of this highly active field. Covers the latest research areas including virus interactions with sub-nuclear structures, virus protein trafficking into and out of the nucleus and subversion of host-cell function through specific nuclear interactions.

Viruses and the Nucleus will be an invaluable resource for students of virology, microbiology and cell biology aswell as those who work within the industry.

Discovering Retroviruses - Beacons in the Biosphere (Hardcover): Anna Marie Skalka Discovering Retroviruses - Beacons in the Biosphere (Hardcover)
Anna Marie Skalka
R670 Discovery Miles 6 700 Ships in 2 - 4 working days

Approximately eight percent of our DNA contains retroviral sequences that are millions of years old. Through engaging stories of scientific discovery, Anna Marie Skalka explains our evolving knowledge of these ancient denizens of the biosphere and how this understanding has significantly advanced research in genetic engineering, gene delivery systems, and precision medicine. Discovering Retroviruses begins with the pioneer scientists who first encountered these RNA-containing viruses and solved the mystery of their reproduction. Like other viruses, retroviruses invade the cells of a host organism to reproduce. What makes them "retro" is a unique process of genetic information transfer. Instead of transcribing DNA into RNA as all living cells do, they transcribe their RNA into DNA. This viral DNA is then spliced into the host's genome, where the cell's synthetic machinery is co-opted to make new virus particles. The 100,000 pieces of retroviral DNA in the human genome are remnants from multiple invasions of our ancestors' "germline" cells-the cells that allow a host organism to reproduce. Most of these bits of retroviral DNA are degenerated fossils, but some have been exploited during evolution, with profound effects on our physiology. Some present-day circulating retroviruses cause cancers in humans and other animals. Others, like HIV, cause severe immunodeficiencies. But retroviruses also hold clues to innovative approaches that can prevent and treat these diseases. In laboratories around the world, retroviruses continue to shed light on future possibilities that are anything but "retro."

Molecular Virology: A Clinical Approach (Hardcover): Orlando Johnston Molecular Virology: A Clinical Approach (Hardcover)
Orlando Johnston
R3,747 R2,259 Discovery Miles 22 590 Save R1,488 (40%) Ships in 9 - 17 working days
Virus Host Cell Genetic Material Transport - Computational ODE/PDE Modeling with R (Paperback, 1st ed. 2022): William E.... Virus Host Cell Genetic Material Transport - Computational ODE/PDE Modeling with R (Paperback, 1st ed. 2022)
William E. Schiesser
R3,578 Discovery Miles 35 780 Ships in 10 - 15 working days

The reproduction and spread of a virus during an epidemic proceeds when the virus attaches to a host cell and viral genetic material (VGM) (protein, DNA, RNA) enters the cell, then replicates, and perhaps mutates, in the cell. The movement of the VGM across the host cell outer membrane and within the host cell is a spatiotemporal dynamic process that is modeled in this book as a system of ordinary and partial differential equations (ODE/PDEs). The movement of the virus proteins through the cell membrane is modeled as a diffusion process expressed by the diffusion PDE (Fick's second law). Within the cell, the time variation of the VGM is modeled as ODEs. The evolution of the dependent variables is computed by the numerical integration of the ODE/PDEs starting from zero initial conditions (ICs). The departure of the dependent variables from zero is in response to the virus protein concentration at the outer membrane surface (the point at which the virus binds to the host cell). The numerical integration of the ODE/PDEs is performed with routines coded (programmed) in R, a quality, open-source scientific computing system that is readily available from the Internet. Formal mathematics is minimized, e.g., no theorems and proofs. Rather, the presentation is through detailed examples that the reader/researcher/analyst can execute on modest computers. The ODE/PDE dependent variables are displayed graphically with basic R plotting utilities. The R routines are available from a download link so that the example models can be executed without having to first study numerical methods and computer coding. The routines can then be applied to variations and extensions of the ODE/PDE model, such as changes in the parameters and the form of the model equations.

The Evolution and Emergence of RNA Viruses (Paperback): Edward C Holmes The Evolution and Emergence of RNA Viruses (Paperback)
Edward C Holmes
R2,231 Discovery Miles 22 310 Ships in 12 - 19 working days

RNA viruses provide unique insights into the patterns and processes of evolutionary change in real time. The study of viral evolution is especially topical given the growing awareness that emerging and re-emerging diseases (most of which are caused by RNA viruses) represent a major threat to public health. However, while the study of viral evolution has developed rapidly in the last 30 years, relatively little attention has been directed toward linking work on the mechanisms of viral evolution within cells or individual hosts, to the epidemiological outcomes of these processes. This novel book fills this gap by considering the patterns and processes of viral evolution across their entire range of spatial and temporal scales. The Evolution and Emergence of RNA Viruses provides a comprehensive overview of RNA virus evolution, with a particular focus on genomic and phylogenetic approaches. This is the first book to link mechanisms of viral evolution with disease dynamics, using high-profile examples in emergence and evolution such as influenza, HIV, dengue fever, and rabies. It also reveals the underlying evolutionary processes by which emerging viruses cross species boundaries and spread in new hosts.

Case Studies in Veterinary Virology (Hardcover): Travis Schroeder Case Studies in Veterinary Virology (Hardcover)
Travis Schroeder
R3,268 R1,987 Discovery Miles 19 870 Save R1,281 (39%) Ships in 9 - 17 working days
The Bacteriophages (Hardcover, 2nd Revised edition): Richard Lane Calendar The Bacteriophages (Hardcover, 2nd Revised edition)
Richard Lane Calendar
R8,151 R7,593 Discovery Miles 75 930 Save R558 (7%) Ships in 12 - 19 working days

This authoritative, timely, and comprehensively referenced compendium on the bacteriophages explores current views of how viruses infect bacteria. In combination with classical phage molecular genetics, new structural, genomic, and single-molecule technologies have rendered an explosion in our knowledge of phages. Bacteriophages, the most abundant and genetically diverse type of organism in the biosphere, were discovered at the beginning of the 20th century and enjoyed decades of used as anti-bacterial agents before being eclipsed by the antibiotic era. Since 1988, phages have come back into the spotlight as major factors in pathogenesis, bacterial evolution, and ecology. This book reveals their compelling elegence of function and their almost inconceivable diversity.
Much of the founding work in molecular biology and structural biology was done on bacteriophages. These are widely used in molecular biology research and in biotechnology, as probes and markers, and in the popular method of assesing gene expression.

Vuelta Skelter - Riding the Remarkable 1941 Tour of Spain (Paperback): Tim Moore Vuelta Skelter - Riding the Remarkable 1941 Tour of Spain (Paperback)
Tim Moore
R335 R304 Discovery Miles 3 040 Save R31 (9%) Ships in 9 - 17 working days

Tim Moore completes his epic (and ill-advised) trilogy of cycling's Grand Tours. Julian Berrendero's victory in the 1941 Vuelta a Espana was an extraordinary exercise in sporting redemption: the Spanish cyclist had just spent 18 months in Franco's concentration camps, punishment for expressing Republican sympathies during the civil war. Seventy nine years later, perennially over-ambitious cyclo-adventurer Tim Moore developed a fascination with Berrendero's story, and having borrowed an old road bike with the great man's name plastered all over it, set off to retrace the 4,409km route of his 1941 triumph - in the midst of a global pandemic. What follows is a tale of brutal heat and lonely roads, of glory, humiliation, and then a bit more humiliation. Along the way Tim recounts the civil war's still-vivid tragedies, and finds the gregarious but impressively responsible locals torn between welcoming their nation's only foreign visitor, and bundling him and his filthy bike into a vat of antiviral gel.

Bad Advice - Or Why Celebrities, Politicians, and Activists Aren't Your Best Source of Health Information (Paperback):... Bad Advice - Or Why Celebrities, Politicians, and Activists Aren't Your Best Source of Health Information (Paperback)
Paul Offit
R516 R415 Discovery Miles 4 150 Save R101 (20%) Ships in 12 - 19 working days

Science doesn't speak for itself. Neck-deep in work that can be messy and confounding and naive in the ways of public communication, scientists are often unable to package their insights into the neat narratives that the public requires. Enter celebrities, advocates, lobbyists, and the funders behind them, who take advantage of scientists' reluctance to provide easy answers, flooding the media with misleading or incorrect claims about health risks. Amid this onslaught of spurious information, Americans are more confused than ever about what's good for them and what isn't. In Bad Advice, Paul A. Offit shares hard-earned wisdom on the dos and don'ts of battling misinformation. For the past twenty years, Offit has been on the front lines in the fight for sound science and public heath. Stepping into the media spotlight as few scientists have done-such as being one of the first to speak out against conspiracy theories linking vaccines to autism-he found himself in the crosshairs of powerful groups intent on promoting pseudoscience. Bad Advice discusses science and its adversaries: not just the manias stoked by slick charlatans and their miracle cures but also corrosive, dangerous ideologies such as Holocaust and climate-change denial. Written with wit and passion, Offit's often humorous guide to taking on quack experts and self-appointed activists is a must-read for any American disturbed by the uptick in politicized attacks on science.

The Life of a Virus - Tobacco Mosaic Virus as an Experimental Model, 1930-1965 (Paperback, 2nd ed.): Angela Creager The Life of a Virus - Tobacco Mosaic Virus as an Experimental Model, 1930-1965 (Paperback, 2nd ed.)
Angela Creager
R1,415 Discovery Miles 14 150 Ships in 12 - 19 working days

We normally think of viruses in terms of the devastating diseases they cause, from smallpox to AIDS. But in "The Life of a Virus, " Angela N. H. Creager introduces us to a plant virus that has taught us much of what we know about all viruses, including the lethal ones, and that also played a crucial role in the development of molecular biology.
Focusing on the tobacco mosaic virus (TMV) research conducted in Nobel laureate Wendell Stanley's lab, Creager argues that TMV served as a model system for virology and molecular biology, much as the fruit fly and laboratory mouse have for genetics and cancer research. She examines how the experimental techniques and instruments Stanley and his colleagues developed for studying TMV were generalized not just to other labs working on TMV, but also to research on other diseases such as poliomyelitis and influenza and to studies of genes and cell organelles. The great success of research on TMV also helped justify increased spending on biomedical research in the postwar years (partly through the National Foundation for Infantile Paralysis's March of Dimes)--a funding priority that has continued to this day.

The Virus Paradigm - A Planetary Ecology of the Mind (Paperback): Roberto Marchesini The Virus Paradigm - A Planetary Ecology of the Mind (Paperback)
Roberto Marchesini; Translated by Sarah De Sanctis
R615 Discovery Miles 6 150 Ships in 12 - 19 working days

In recent years, the word 'virus' has lost its biological perimeter of reference to acquire a much broader - could say 'paradigmatic' - meaning. The term 'virus' can be seen as a key word or an explanatory model also for processes that go beyond the infectious sphere. Every event appears to have a viral character: from the way information is transmitted to the processes of cultural globalization, from the impact of human beings on the planet to the subversion of ecosystems, from pandemic risks to the demographic increase on the planet. This seems to be indeed the Age of the Virus. Its model can be applied to most of the phenomena that characterize the twenty-first. Its profile - its looming and invisible nature, its ability to use other people's resources to spread and to transform into a dangerous doppelganger - is perfect to represent the fears of the contemporary age.

Viruses as Complex Adaptive Systems (Paperback): Ricard Sole, Santiago F. Elena Viruses as Complex Adaptive Systems (Paperback)
Ricard Sole, Santiago F. Elena
R889 R834 Discovery Miles 8 340 Save R55 (6%) Ships in 12 - 19 working days

How complex systems theory sheds new light on the adaptive dynamics of viral populations Viruses are everywhere, infecting all sorts of living organisms, from the tiniest bacteria to the largest mammals. Many are harmful parasites, but viruses also play a major role as drivers of our evolution as a species and are essential regulators of the composition and complexity of ecosystems on a global scale. This concise book draws on complex systems theory to provide a fresh look at viral origins, populations, and evolution, and the coevolutionary dynamics of viruses and their hosts. New viruses continue to emerge that threaten people, crops, and farm animals. Viruses constantly evade our immune systems, and antiviral therapies and vaccination campaigns can be powerless against them. These unique characteristics of virus biology are a consequence of their tremendous evolutionary potential, which enables viruses to quickly adapt to any environmental challenge. Ricard Sole and Santiago Elena present a unified framework for understanding viruses as complex adaptive systems. They show how the application of complex systems theory to viral dynamics has provided new insights into the development of AIDS in patients infected with HIV-1, the emergence of new antigenic variants of the influenza A virus, and other cutting-edge advances. Essential reading for biologists, physicists, and mathematicians interested in complexity, Viruses as Complex Adaptive Systems also extends the analogy of viruses to the evolution of other replicators such as computer viruses, cancer, and languages.

Quantitative Viral Ecology - Dynamics of Viruses and Their Microbial Hosts (Hardcover): Joshua Weitz Quantitative Viral Ecology - Dynamics of Viruses and Their Microbial Hosts (Hardcover)
Joshua Weitz
R1,723 R1,613 Discovery Miles 16 130 Save R110 (6%) Ships in 12 - 19 working days

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.

Theory of the Spread of Epidemics and Movement Ecology of Animals - An Interdisciplinary Approach using Methodologies of... Theory of the Spread of Epidemics and Movement Ecology of Animals - An Interdisciplinary Approach using Methodologies of Physics and Mathematics (Hardcover)
V.M. (Nitant) Kenkre, Luca Giuggioli
R4,160 Discovery Miles 41 600 Ships in 12 - 19 working days

Exploiting powerful techniques from physics and mathematics, this book studies animal movement in ecology, with a focus on epidemic spread. Pulmonary syndrome is not only feared in epidemics of recent times, such as COVID-19, but is also characteristic of epidemics studied earlier such as Hantavirus. The Hantavirus is one of the book's central topics. Correlations between epidemic outbreaks and precipitation events like El Nino are analyzed and spatial reservoirs of infection in off-period of the epidemic, known as refugia, are studied. Predicted traveling waves of infection are successfully compared to field observations. Territoriality in scent-marking animals is presented, with parallels drawn with the theory of melting. The flocking and herding of birds and mammals are described in terms of collective excitations. For scientists interested in movement ecology and epidemic spread, this book provides effective solutions to long-standing problems.

The Hot Zone - The Chilling True Story of an Ebola Outbreak (Paperback): Richard Preston The Hot Zone - The Chilling True Story of an Ebola Outbreak (Paperback)
Richard Preston 1
R337 R306 Discovery Miles 3 060 Save R31 (9%) Ships in 9 - 17 working days

COMING TO NATIONAL GEOGRAPHIC ON 27 MAY 2019 _________ In March 2014, the Ebola outbreak in West Africa was first reported. By October 2014, it had become the largest and deadliest occurrence of the disease. Over 4,500 people have died. Almost 10,000 cases have been reported, across Liberia, Guinea, Sierra Leone, Nigeria and the United States. Impossible to ignore, The Hot Zone is the terrifying, true-life account of when this highly infectious virus spread from the rainforests of Africa to the suburbs of Washington, D.C in 1989. A secret SWAT team of soldiers and scientists were quickly tasked with halting the outbreak. And they did. But now, that very same virus is back. And we could be just one wrong move away from a pandemic.

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