Environmental Virology


Book Description

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







Methods For Recovering Viruses From The Environment


Book Description

This book argues, that without methods, there can be no research. Effective research requires effective methods, not always easy to come by. The development of methods in environmental virology became a focus of growing interest about two decades ago. Progress has been significant since that time in pure experimental systems, where there are no interferences, consistent high recoveries of viruses from environmental waters has been achievable for some time. In the natural environment, however, in relatively clean waters, substances such as humic and fulvic acids interfere with viral recoveries and average recovery rates probably do not reach 20%. With sewage sludges and shellfish, recoveries are undoubtedly much lower. Yet, even relatively low viral recovery rates have made possible the detection of viral hazards in drinking waters. The hazards that exist are undoubtedly much greater than those demonstrated with the relatively inefficient methods inefficient methods developed thus far. Improving methods, as they are developed in the years to come, will undoubtedly bring the true extent of the hazards into better perspective.




Environmental and Food Virology


Book Description

Enteric pathogenic viruses are a major challenge in public health, as they represent a major concern with a severe global impact to the economy, commerce, and health systems. Consequently, their active monitoring can allow preventive surveillance and the discovery of new viruses, exemplifying an important epidemiological and health control tool. In an unprecedented way, this book addresses the general characteristics of enteric viruses and their environmental transmission, with a particular emphasis on their structures, stability, routes of transmission and the use of bioindicators for epidemiological monitoring and control. In addition, this book will also address the recent developments for viral concentration and detection in environmental and food samples and the challenges for the control of environmental and food viruses to reduce microbiological risk for final consumers.




Essential Human Virology


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




Testing Methods for Seed-transmitted Viruses


Book Description

This practical guide covers the commonly used detection methods for seed-transmitted viruses and viroids that affect both tropical and temperate crops. It contains 25 complete step-by-step procedures for biological, serological and molecular techniques to detect and identify such viruses. Combining helpful practical notes with more detailed explanations of the principles behind the techniques, the book describes the general characteristics of seed-transmitted viral diseases and discusses outlines for the organization and interpretation of seed health assays. The techniques reviewed are also applicable to non-seed-transmitted viral agents.




Encyclopedia of Virology


Book Description

Encyclopedia of Virology, Fourth Edition, Five Volume Set builds on the solid foundation laid by the previous editions, expanding its reach with new and timely topics. In five volumes, the work provides comprehensive coverage of the whole virosphere, making this a unique resource. Content explores viruses present in the environment and the pathogenic viruses of humans, animals, plants and microorganisms. Key areas and concepts concerning virus classification, structure, epidemiology, pathogenesis, diagnosis, treatment and prevention are discussed, guiding the reader through chapters that are presented at an accessible level, and include further readings for those needing more specific information. More than ever now, with the Covid19 pandemic, we are seeing the huge impact viruses have on our life and society. This encyclopedia is a must-have resource for scientists and practitioners, and a great source of information for the wider public. Offers students and researchers a one-stop shop for information on virology not easily available elsewhere Fills a critical gap of information in a field that has seen significant progress in recent years Authored and edited by recognized experts in the field, with a range of different expertise, thus ensuring a high-quality standard




Manual of Environmental Microbiology


Book Description

The most definitive manual of microbes in air, water, and soil and their impact on human health and welfare. • Incorporates a summary of the latest methodology used to study the activity and fate of microorganisms in various environments. • Synthesizes the latest information on the assessment of microbial presence and microbial activity in natural and artificial environments. • Features a section on biotransformation and biodegradation. • Serves as an indispensable reference for environmental microbiologists, microbial ecologists, and environmental engineers, as well as those interested in human diseases, water and wastewater treatment, and biotechnology.




Environmental Virology and Virus Ecology


Book Description

Environmental Virology, Volume 101, the latest in the Advances in Virus Research series, contains new, informative updates on the topic. First published in 1953, this series covers a diverse range of in-depth reviews, providing a valuable overview of the current field of virology. Updates to this release include sections on the host landscape and vector behavior, key determinants of plant virus evolution and emergence, plant virome analysis using spatial metagenomics, host range evolution in generalist viruses, the influence of environment, water-mediated spread and transmission of viruses, viruses transmitted by means other than insect vectors, and more. - Contains contributions from leading authorities in the field of virology - Informs and updates on all the latest developments in the field - Features a diverse range of virology topics, including discussions of host landscape and vector behavior and viruses transmitted by means other than insect vectors




Rapid Microbiological Methods for Foods, Beverages and Pharmaceuticals


Book Description

This book considers the rapid microbiological techniques that are now increasingly used in industry as alternatives to more conventional methods. Although many of the pioneering studies in this field have taken place in clinical laboratories, the materials listed and organisms sought for foods, beverages and pharmaceuticals are much more varied. In this volume, leading experts from research and industry review the wide variety of approaches that are needed in an industrial setting. The methods described include electrometric techniques, ATP assay, and immunological methods for a wide range of organisms from salmonellas to viruses, each chapter drawing on the authors direct experience in industry to give a highly practical guide. The book should prove invaluable to those in the food, beverage and pharmaceutical industries, or in research and training, who require an up-to-date survey of the use of rapid microbiological methods.