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Books > Science & Mathematics > Biology, life sciences > Microbiology (non-medical) > Virology
Viruses that infect plants are responsible for reduction in both yield and quality of crops around the world, and thus are of great economic importance. This has provided the impetus for the extensive research into the molecular and cellular biology of these pathogens and into their interaction with their plant hosts and their vectors. However, interest in plant viruses extends beyond their ability to damage crops. Many plant viruses - for example, tobacco mosaic virus - have been used as model systems to provide basic understanding of how viruses express genes and replicate. Others permitted the elucidation of the processes underlying RNA silencing, now recognized as a core epigenetic mechanism underpinning numerous areas of biology. This book attests to the huge diversity of research in plant molecular virology. Written by world authorities in the field, the book opens with two chapters on the translation and replication of viral RNA. Following chapters cover topics such as viral movement within and between plants, plant responses to viral infection, antiviral control measures, virus evolution, and newly emerging plant viruses. The book concludes with two chapters on biotechnological applications of plant viruses. Throughout, the focus is on the most recent, cutting-edge research, making this book essential reading for everyone working with plant viruses.
CNN chief medical correspondent Sanjay Gupta, MD, offers an accessible, data-packed answer to our biggest questions about Covid-19: What have we learned about this pandemic and how can we prepare for—or prevent—the next one? As America’s favorite frontline Covid-19 health journalist, Dr. Sanjay Gupta has barely left his primetime seat in his makeshift studio basement since the pandemic began (other than to perform brain surgery). He’s had the insider of insider access to the drama’s unfolding, including exclusive conversations with the world’s top public health experts and behind-the-scenes scientists racing to find treatments and cures. And now he’s sharing what he’s learned in a book that will answer not only all our questions about what happened, but also about how our world will change in the years ahead, even once we’re back to “normal.” Gupta argues that we need to prepare for a new era where pandemics will be more frequent, and possibly even more deadly. As the doctor who’s been holding America’s hand through the crisis with compassion, clarity, and well-earned wisdom, he gives you the unvarnished story behind the pandemic, including insights about the novel virus’s behavior, and offers practical tools to ready ourselves for what lies ahead. He answers critical questions: Can we stamp out the virus for good (and if not, how do we live with it)? Should we put our parents in a nursing home? Where should we live? What should we stockpile? What should we know before taking a trip? Does it make sense to spend more on health insurance to deal with any long-term effects? How do you decide when it’s safe to go to a public pool or schedule elective surgery? What should Covid survivors know about protecting their future health? What if you become a long-hauler with chronic health challenges stemming? World War C will give you hope for the future along with real information that leaves you more resilient and secure.
The definitive story of COVID-19 and how global politics shape our health - from a world-leading expert and the pandemic's go-to science communicator Professor Devi Sridhar has risen to prominence for her vital roles in communicating science to the public and speaking truth to power. In Preventable she highlights lessons learned from outbreaks past and present in a narrative that traces the COVID-19 pandemic - including her personal experience as a scientist - and sets out a vision for how we can better protect ourselves from the inevitable health crises to come. In gripping and heartfelt prose, Sridhar exposes the varied realities of those affected and puts you in the room with key decision makers at crucial moments. She vibrantly conveys the twists and turns of a plot that saw: deadlier varients emerge (contrary to the predictions of social media pundits who argued it would mutate to a milder form); countries with weak health systems like Senegal and Vietnam fare better than countries like the US and UK (which were consistently ranked as the most prepared); and the quickest development of game-changing vaccines in history (and their unfair distribution) Combining science, politics, ethics and economics, this definitive book dissects the global structures that determine our fate, and reveals the deep-seated economic and social inequalities at their heart - it will challenge, outrage and inspire.
Published since 1953, "Advances in Virus Research" covers a diverse
range of in-depth reviews, providing a valuable overview of the
current field of virology.
Fuelled by the application of omics and reverse genetics technologies, impressive progress has been achieved in the field of molecular and cellular biology of Bunyaviridae in recent years. In this book, a panel of international experts review the most important findings, providing a timely and coherent overview of the field. All five genera - i.e. Orthobunyavirus, Hantavirus, Nairovirus, Plebovirus, and Tospovirus - are covered in separate chapters. Genetics and the evolution of hantaviruses are given a special treatment. Additionally, current advances in diagnostics are reviewed in detail. The book closes with an excellent overview of the remaining challenges and future prospects in this fascinating field. It will be essential reading for everyone working on bunyaviruses and related viruses and is a recommended text for all virology libraries.
Interferons (IFNs) play pivotal roles in shaping the immune responses in mammals and are particularly important for the control of viral infections, cell growth, and immune regulation. These proteins rapidly induce an anti-viral state in cells that surround infected cells. In order to survive, viruses have evolved with multiple strategies to evade the anti-viral effects of IFNs. Elucidating the molecular and cellular biology of the virus-interferon interaction is key to understanding issues, such as viral pathogenesis, latency, and the development of novel antivirals. In this book, international experts review current research topics, producing a timely overview of this exciting field. The book opens with a chapter that comprehensively reviews the antiviral effects of extracellular double-stranded RNA - the viral toxin. This is followed by chapters that review the properties of type I and type III interferons, and the role of interferon-stimulated genes. Additional chapters are devoted to understanding the diverse strategies used by clinically-relevant human viruses to subvert host interferon responses. The book closes with an interesting overview of the clinical application of interferons as antiviral and anticancer agents. It will be essential reading for every scientist involved in interferon or antiviral research and will be a recommended text for all virology laboratories.
The study of the molecular events leading to cellular transformation and cancer has progressed significantly in the last decade, and it has become apparent that many genes subject to modification in cancer are, in fact, transcription factors that govern the execution of the genetic programme of the cell. Transcription factors can behave either as oncogenes or as tumour suppressor genes. To date only a limited number of transcription factors have been associated with cancer. This volume deals with several transcription factor families that were first identified in oncogenic retroviruses. Each chapter contains a description of the structure of the transcription factors, the nature of target genes, the regulation of their activities, and an explaination of how they can deregulate cell growth and differentiation. This text should be suitable for the specialist scientist and the advanced student
This book focuses on those virus families that are found primarily or exclusively in insects, covering all major families of insect-selective viruses except for the baculoviruses which were described in a previous volume of "The Viruses" series. The topics include: the large DNA viruses; the small DNA densoviruses; the RNA viruses; and, the arbovirus expression systems and their potential employment in the future. Ninety-eight illustrations supplement the text.
Viral Ecology defines and explains the ecology of viruses by
examining their interactions with their hosting species, including
the types of transmission cycles that have evolved, encompassing
principal and alternate hosts, vehicles, and vectors. It examines
virology from an organismal biology approach, focusing on the
concept that viral infections represent areas of overlap in the
ecology of viruses, their hosts, and their vectors.
Since its discovery in 1998, RNA interference (RNAi) has heralded the advent of novel tools for biological research and drug discovery. This exciting new technology is emerging as a powerful modality for battling some of the most notoriously challenging viral clinical targets, such as the hepatitis C virus (HCV) and the human immunodeficiency virus (HIV). However, several critical issues associated with this novel technology must be resolved before it can progress to testing in human clinical trials, and these have been the target of intensive research in recent years. In this book, expert RNAi specialists from around the world have teamed up to produce a timely and thought-provoking review of the area. The two central themes are: 1) the latest findings on RNAi-virus interactions and 2) progress in the development of RNAi-based antiviral therapeutics. A number of chapters explain general concepts concerned with the role of RNAi in natural antiviral defense mechanisms. Other chapters discuss how to improve the efficacy and safety of RNAi-based antiviral drugs, as well as describe how this technology is being developed as a new therapeutic tool for fighting specific viruses, including HIV, HCV, and respiratory viruses. The book also outlines potential new avenues for research. RNA Interference and Viruses is essential reading for researchers involved in RNAi or antiviral research and is a recommended text for all virology laboratories.
Retroviruses comprise a diverse family of enveloped RNA viruses, remarkable for their use of reverse transcription of viral RNA into linear double stranded DNA during replication and the subsequent integration of this DNA into the genome of the host cell. Members of this family include important pathogens such as HIV-1, feline leukemia, and several cancer-causing viruses. However, interest in these viruses extends beyond their disease-causing capabilities. For example, research in this area led to the discovery of oncogenes, a major advance in the field of cancer genetics. Studies of retroviruses have contributed greatly to our understanding of mechanisms that regulate eukaryotic gene expression. In addition, retroviruses are proving to be valuable research tools in molecular biology and have been used successfully in gene therapy (e.g. to treat X-linked severe combined immunodeficiency). Written by the top retroviral specialists, this book reviews the genomics, molecular biology, and pathogenesis of these important viruses, comprehensively covering all the recent advances. Topics include: host and retroelement interactions * endogenous retroviruses * retroviral proteins and genomes * viral entry and uncoating * reverse transcription and integration * transcription * splicing and RNA transport * pathogenesis of oncoviral infections * pathogenesis of immunodeficiency virus infections * retroviral restriction factors, molecular vaccines, and correlates of protection * gammaretroviral and lentiviral vectors * non-primate mammalian and fish retroviruses * simian exogenous retroviruses * and HTLV and HIV. It is essential reading for every retrovirologist and it is a recommended text for all virology and molecular biology laboratories.
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.
Dengue virus (DENV), a mosquito-borne flavivirus, is the causative agent of dengue fever, currently one of the most significant emerging disease challenges to global public health. Although dengue is an old disease, recent decades have seen an unprecedented increase in the geographic range, incidence, and severity of infection. The virus infects 100 million people annually and is endemic in many tropical and sub-tropical regions in the world. At present, neither a licensed vaccine nor anti-viral drugs are available to control dengue disease, prompting a plethora of research initiatives aimed at understanding the molecular and cellular virology, genomics, and evolution of this important virus. This book brings together a panel of expert dengue virologists to produce a timely review of the rapidly-expanding dengue research literature. In addition, the contributors identify the most pressing questions that remain to be answered, thus providing a stimulus for future research. Topics include: evolutionary history * epidemiology * translation and processing of the viral polyprotein * viral replication * the role of the viral untranslated regions * pathogenesis * host response to DENV * development of animal models * DENV-mosquito interactions * dynamics of dengue virus transmission * emergence of DENV from its ancestral, sylvatic cycle * vaccines * novel anti-dengue drugs * and passive immunotherapy. It is essential reading for every dengue virologist and is highly recommended for all flavivirus and arbovirus virologists.
Over 50% of known flaviviruses have been associated with human
disease. The Flavivirus genus constitutes some of the most serious
human pathogens including Japanese encephalitis, dengue and yellow
fever. Flaviviruses are known for their complex life cycles and
epidemic spread, and are considered a globally-emergent viral
threat.
Studies related to pathogen-mediated virus resistance in plants were instrumental in providing some of the historical observations which ultimately led to the vital discovery of double-stranded RNA (dsRNA)-induced gene silencing or RNA interference (RNAi), which has since revolutionized research on plant-virus interactions. In Antiviral Resistance in Plants: Methods and Protocols, expert researchers in the field detail many of the methods which are now commonly used to study the phenomenon of RNA silencing in relation to viral infections of plants. These include methods and techniques for the isolation and quantitative/qualitative analyses of plant small 21-24 nucleotide RNAs such as small interfering RNAs (siRNAs) and microRNAs (miRNAs) as well as the analysis and manipulation of virus-induced gene silencing (VIGS) in both monocotyledonous and dicotyledenous plants and the use of hairpin RNA (hpRNA) transgenes. Written in the highly successful Methods in Molecular Biology (TM) series format, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and key tips on troubleshooting and avoiding known pitfalls. Authoritative and practical, Antiviral Resistance in Plants: Methods and Protocols seeks to aid scientists in the further study of this crucially important botanical trait.
The story of doctors who developed a safe and effective early treatment for COVID-19 and their battle with the Bio-Pharmaceutical Complex that suppressed it. At the beginning of 2020, Dr. Peter McCullough was a highly regarded practicing physician, program director, teacher, and clinical investigator at a major academic medical center in Dallas, Texas. When COVID-19 arrived in March, he felt a duty to find a treatment for the disease. He wasn't alone. Other doctors all over the world were also searching for a cure. They followed the longstanding principle that it's best to tackle a sickness early, before it becomes life threatening. This is the story of how Dr. McCullough and his colleagues developed an early treatment protocol of generic, repurposed drugs and supplements that has saved millions of COVID-19 patients from hospitalization and death. In spite of their success, their early treatment protocol was not welcomed by public health officials. On the contrary, the news of their promising results was dismissed as soon as it was reported. At first this seemed like conventional skepticism, but then fraudulent papers maligning the protocol's repurposed drugs were published in academic medical journals. This and other acts of fraud revealed that a coordinated smear campaign against early treatment was being waged. Dr. McCullough and his colleagues soon found themselves censured, censored, attacked in the media, and fired from their jobs. The greatest victims of the smear campaign were COVID-19 patients who were consequently deprived of early treatment. Hundreds of thousands needlessly died of the disease. At the same time early treatment was suppressed, the US government and mainstream media proclaimed that the cure to COVID-19 lay in a new generation of vaccines that were being developed at warp speed. These were heralded as a forthcoming panacea that would save mankind and restore normalcy. As soon as they were mass deployed, public health officials would lift the restrictions on social and economic life. While many observers were thunderstruck by this turn of events, there were historical precedents. In his 1961 Farewell Address, President Eisenhower warned: We must guard against the acquisition of unwarranted influence, whether sought of unsought, by the military-industrial complex. The potential for the disastrous rise of misplaced power exists and will persist. We must never let the weight of this combination endanger our liberties or democratic processes. As Dr. McCullough and his colleagues learned, Eisenhower's warning has become equally applicable to the Bio-Pharmaceutical Complex of multinational drug companies, the NIH and other federal agencies, research and virology labs, and the Gates Foundation. Since COVID-19 arrived, this Complex has obtained misplaced power over every aspect of our lives and taken our liberties. The Courage to Face Covid-19 recounts how Dr. McCullough and his colleagues began their work by fighting a novel infectious disease, and then became leaders in fighting the tyrannical regime that endangers our American way of life.
SARS was the ?rst new plague of the twenty-?rst century. Within months, it spread worldwide from its "birthplace" in Guangdong Province, China, affecting over 8,000 people in 25 countries and territories across ?ve continents. SARS exposed the vulnerability of our modern globalised world to the spread of a new emerging infection. SARS (or a similar new emerging disease) could neither have spread so rapidly nor had such a great global impact even 50 years ago, and arguably, it was itself a product of our global inter-connectedness. Increasing af?uence and a demand for wild-game as exotic food led to the development of large trade of live animal and game animal markets where many species of wild and domestic animals were co-housed, providing the ideal opportunities for inter-species tra- mission of viruses and other microbes. Once such a virus jumped species and attacked humans, the increased human mobility allowed the virus the opportunity for rapid spread. An infected patient from Guangdong who stayed for one day at a hotel in Hong Kong led to the transmission of the disease to 16 other guests who travelled on to seed outbreaks of the disease in Toronto, Singapore, and Vietnam, as well as within Hong Kong itself. The virus exploited the practices used in modern intensive care of patients with severe respiratory disease and the weakness in infection control practices within our health care systems to cause outbreaks within hospitals, further amplifying the spread of the disease. Health-care itself has become a two-edged sword.
Until late 1960s the coronaviruses were not recognized as pathogens responsible for human diseases (common cold), and it has been in 2003 when human coronaviruses (HCoVs) recalled worldwide attention with the emergence of the severe and acute respiratory syndrome (SARS), produced by a coronavirus (SARS-CoV) that has infected more than 8000 people, killing about ten percent of them in 32 countries. The increase of research on coronaviruses has soon lead to the discovery of another human coronavirus (HCoV-NL63) which is prevalent in 7% of hospital patients and has been associated with bronchiolitis and, possibly, conjunctivitis.
Principles of Virology, the leading virology textbook in use, is an extremely valuable and highly informative presentation of virology at the interface of modern cell biology and immunology. This text utilizes a uniquely rational approach by highlighting common principles and processes across all viruses. Using a set of representative viruses to illustrate the breadth of viral complexity, students are able to under-stand viral reproduction and pathogenesis and are equipped with the necessary tools for future encounters with new or understudied viruses. This fifth edition was updated to keep pace with the ever-changing field of virology. In addition to the beloved full-color illustrations, video interviews with leading scientists, movies, and links to exciting blogposts on relevant topics, this edition includes study questions and active learning puzzles in each chapter, as well as short descriptions regarding the key messages of references of special interest. Volume I: Molecular Biology focuses on the molecular processes of viral reproduction, from entry through release. Volume II: Pathogenesis and Control addresses the interplay between viruses and their host organisms, on both the micro- and macroscale, including chapters on public health, the immune response, vaccines and other antiviral strategies, viral evolution, and a brand new chapter on the therapeutic uses of viruses. These two volumes can be used for separate courses or together in a single course. Each includes a unique appendix, glossary, and links to internet resources. Principles of Virology, Fifth Edition, is ideal for teaching the strategies by which all viruses reproduce, spread within a host, and are maintained within populations. This edition carefully reflects the results of extensive vetting and feedback received from course instructors and students, making this renowned textbook even more appropriate for undergraduate and graduate courses in virology, microbiology, and infectious diseases.
Retroviruses have been of great importance to biomedical science for the past half century. Initially, studies on oncogenic animal retroviruses provided important insights into molecular processes in carcinogenesis – most notably the existence and mechanisms of action of oncogenes and proto-oncogenes. Moreover, several human diseases are caused by retroviruses, including AIDS, adult T-cell leukemia and the neurological disease HAM/TSP. The topic of this volume is a relatively unknown animal retrovirus, jaagsiekte sheep retrovirus, the causative agent of transmissible lung cancer in sheep –ovine pulmonary adenocarcinoma. The disease was first documented in South Africa in the 1800s, it has a wide geographical distribution, and it is of economic importance in high endemic regions. However, until very recently the nature of the etiologic agent was unclear, and relatively few laboratories actively studied the disease. |
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