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Author: Dongyou Liu
Publisher:
ISBN:
Category :
Languages : en
Pages : 944
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Book Description
Author: Dongyou Liu
Publisher:
ISBN:
Category :
Languages : en
Pages : 944
Get Book Here
Book Description
Author: Dongyou Liu
Publisher: CRC Press
ISBN: 1498700373
Category : Medical
Languages : en
Pages : 952
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Book Description
Molecular Detection of Animal Viral Pathogens presents expert summaries on state-of-the-art diagnostic approaches for major animal viral pathogens, with a particular emphasis on identification and differentiation at the molecular level. Written by specialists in related research areas, each chapter provides a concise overview of an individual virus
Author: Yin Wang
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Infectious diseases of food animals have major impacts on economic returns and public health. Effective surveillance and control of animal diseases are very important, in which rapid and accurate detection of etiological agents play a critical role. Molecular diagnostics have been developed and used extensively. Because of its high sensitivity, high specificity, high-throughput and short turnaround time, molecular diagnostics is considered a powerful tool for detection and identification of infectious agents. Several molecular assays have been developed and validated for major swine virus detections in this dissertation. In Chapter 2.1, a multiplex quantitative real-time PCR assay (mqPCR) was developed to detect and differentiate two porcine circoviruses (PCV) associated with the diseases of similar clinical signs: the novel PCV type 3 (PCV3) and the well-known economically important PCV type 2 (PCV2). In Chapter 2.2, a mqPCR assay was developed and validated for detection and differentiation of three PCV2 genotypes, PCV2a, PCV2b and PCV2d, the most frequently circulating genotypes in the US. In Chapter 2.3, a real-time RT-PCR (RT-qPCR) assay of Seneca Valley virus 1 (SVV-1) was developed and multiplexed with the published foot-and-mouth virus (FMDV) assays to differentiate the two viruses, which cause clinically similar vesicular diseases in swine. In Chapter 2.4, a real-time PCR assay was developed for rapid detection of African swine fever virus (ASFV). Its current spread in Asia and Europe resulted in significant economic losses on the global swine industry. In Chapter 2.5, the Luminex xTAG assay was developed to detect type 2 porcine reproductive and respiratory syndrome virus (PRRSV-2), one of most economically significant viruses in the US. The multiplexing assay allowed to differentiation of the field strains from the vaccine strains. In the design of the molecular assays described above, the most recent sequence databases were built to obtain high strain coverages. The analytical and diagnostic analyses showed high sensitivities and specificities. Subsequent evaluation of clinical samples of different sample types indicated good diagnostic applicability. Finally, addition of the internal controls helped to monitor extractions and amplification efficiencies and to avoid false negative results. Genetic diversity and prevalence of PCV3 and PCV2 were investigated (Chapter 3.1). It showed high prevalence of PCV3 and PCV2 in the swine herds of the Midwestern region of the US in 2016-2018. The phylogenetic analysis indicated low genetic diversity of PCV3, but high genetic diversity of PCV2. A new genotype, PCV2i, was proposed and the genotypes, PCV2a, PCV2b and PCV2d, were indicated as those circulating in the region. Finally, genetic diversity analysis of Rotavirus C (RVC) was conducted (Chapter 3.2). Thirty-one complete genomes were sequenced with next generation sequencing technology and analyzed with all available published reference sequences. Based on the phylogenetic analysis, several new genotypes were defined here, G18-G31 for VP7, P[22]-P[26] for VP4, R5 for VP1, A9-A12 for NSP1, N9-N10 for NSP2, T7-T9 for NSP3 and E6-E8 for NSP4. Genotyping of the 31 complete genomes indicated reassortment existed in 7 segments, VP7, VP4, VP6, VP2, NSP1, NSP2 and NSP3. The study updated the genotypes of RVC strains to help understand its diversity and evolution.
Author: Sagar Goyal
Publisher: Springer Science & Business Media
ISBN: 0387292519
Category : Technology & Engineering
Languages : en
Pages : 355
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Book Description
This is the first book to focus entirely on viruses in foods. It collates information on the occurrence, detection, transmission, and epidemiology of viruses in various foods. Although methods for bacterial detection in food are available, methods for detection of viruses in food, with the exception of shellfish, are not available. It is important, therefore, to develop methods for direct examination of food for viruses and to explore alternate indicators that can accurately reflect the virological quality of food. This book addresses these issues along with strategies for the prevention and control of viral contamination of food.
Author: Suresh Kumar Gahlawat
Publisher: CRC Press
ISBN: 1000397378
Category : Medical
Languages : en
Pages : 423
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Book Description
Advances in Animal Disease Diagnosis: Infectious animal diseases caused by pathogenic microorganisms such as bacteria, fungi, and viruses threaten the health and well-being of wildlife, livestock and human populations, limit productivity and significantly increase economic losses to each sector. Pathogen de-tection is an important step for the diagnosis and successful treatment of animal diseases as well as control management in farm and field conditions. The conventional techniques employed to diagnose pathogens in livestock species are time-consuming and sometimes give inconclusive results. On the contrary, molecular techniques have the potential to diag-nose known pathogens/conditions quickly, reliably, and unequivocally as well as for novel pathogen detection. New advances in diagnostics and vaccine design using genomics have developed powerful new methods that have also set the stage for the enhanced diagnosis, surveillance, and control of infectious diseases. High-throughput sequencing (HTS), for ex-ample, uses the latest DNA sequencing platforms in the detection, identification, and detailed analysis of both pathogen and host genomes. This book will explore some key opportunities in the context of animal health, such as the detection of new microorganisms and the development of improved diagnosis of emerging or re-emerging diseases and other clinical conditions, viz. biosensors, nanotools, and omics technologies. Features • Details comprehensive knowledge on the latest molecular techniques for animal disease diagnosis and management • Examines how DNA-based diagnostic techniques will assist international efforts to control the introduction of exotic diseases into new geographic areas • Describes the latest molecular assays for the rapid and accurate detection of pathogens • Helps in working towards meeting the global challenge for sustainable food production and the eradication of poverty • With new biotechnological developments, this fully updated book is a treasure trove of the latest information in animal and medical science
Author: Mónica V. Cunha
Publisher: Humana
ISBN: 9781493948123
Category : Medical
Languages : en
Pages : 0
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Book Description
This volume provides an overview of molecular biology tools for pathogen detection and characterization. Focusing on biobanking, biosafety, good laboratory practices, biological specimen collection and processing, quality assurance and control, validation of molecular diagnostic assays for veterinary use; molecular detection and identification of animal pathogens using a wide range of established techniques and covering, also, emerging diagnosis approaches; genotyping tools for assessing the genetic landscape and epidemiology of pathogens; and integrative omics and high-throughput technologies as powerful research tools. Written in the highly successful Methods in Molecular Biology 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, Veterinary Infection Biology: Molecular Diagnostics and High-Throughput Strategies aids scientists in continuing to study a broad range of molecular approaches, from simple and affordable to emerging and sophisticate.
Author: Yashpal Singh Malik
Publisher: Springer Nature
ISBN: 9811390738
Category : Medical
Languages : en
Pages : 471
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Book Description
This book discusses the prominence and implication of the viral diseases that are a major threat to animals around the globe. A number of these diseases have also shown links with human populations, which has implications for public health. This book offers detailed and up-to-date information on viral diseases in livestock and poultry that were and/or are still a problem. Including cutting-edge developments, it also highlights several landmark contributions in the field of virology from India. Additionally, the book features tables and figures showing important clinical data and recommendations, with references for further information. It also explores the economic impact of viral diseases for farmers and the livestock industry, providing several examples. Further, it presents the latest information on viral diseases in global context, with a focus on state-of-art, molecular tools for the development of diagnostics, prophylactics and therapeutics. Lastly, the book also describes the challenges posed by the emerging and transboundary viral infections and our preparedness to counter them.
Author: Andreas Sing
Publisher: Springer
ISBN: 940179457X
Category : Medical
Languages : en
Pages : 1127
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Book Description
The book will cover the most important zoonoses with a public health impact and debate actual developments in this field from a One Health perspective. The outline of the book follows a “setting” approach, i.e. special settings of zoonoses with a public health aspect, rather than presenting a simple textbook of an encyclopedic character. Main chapters will deal with zoonoses in the food chain including a special focus on the emerging issue of antibiotic resistance, with zoonoses in domestic and pet animals, in wildlife animal species (including bats as an important infectious agent multiplier), influenza and tuberculosis as most prominent zoonoses, and zoonotic pathogens as bioterroristic agents. Special interest chapters debate non-resolved and currently hotly debated zoonoses (e.g. M. Crohn/paratuberculosis, chronic botulism) as well as the economic and ecological aspects of zoonoses.
Author: Yashpal Singh Malik
Publisher: Springer Nature
ISBN: 9811504024
Category : Medical
Languages : en
Pages : 388
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Book Description
This book, which is the first volume of the book series-Livestock Diseases and Management, summarizes the prominence and implications of the emerging and transboundary animal viruses. Although the livestock plays an important role in the economy of many countries, the emerging and transboundary animal viral diseases possess a serious risk to the animal-agriculture sector and food security globally. The book describes the precise and up-to-date information on animal viral diseases which have emerged in the recent past or are re-emerging due to various environmental factors and those which are not bounded in restricted national boundaries and attained the transboundary status. The chapters summarize the recent advancements in the molecular state-of-art tools towards the development of diagnostics, prophylactics, and therapeutics of these viruses. It also explicitly describes the challenges imposed by the emerging and transboundary viral infections and our preparedness to counter them.
Author: Food and Agriculture Organization of the United Nations
Publisher: Food & Agriculture Org.
ISBN: 9789251044209
Category : Business & Economics
Languages : en
Pages : 104
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Book Description
This is the report , including recommendations, and 13 papers presented, of the Expert Workshop held in Bangkok, Thailand, from 7-9 February 1999. The workshop found that there is considerable scope for more effective use of DNA-based methods of pathogen detection to limit transboundary movement of pathogens & reduce the impact of disease in aquaculture. Few if any, of the available tests have been assessed appropriately or standardized and validated. It is recommended that programmes are developed to manage cooperative research to assist more effective use of DNA-based detection tests and that a laboratory accreditation programmed to achieve standardization also be developed
