Microbial Subversion Of Immunity
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Microbial Subversion Of Immunity
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Author : Peter Julius Lachmann
language : en
Publisher: Caister Academic Press Limited
Release Date : 2006
Microbial Subversion Of Immunity written by Peter Julius Lachmann and has been published by Caister Academic Press Limited this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Science categories.
Microbes have evolved in an impressive and diverse range of strategies to subvert the host immune system. Two major types of strategies exist. The first is the evasion of recognition by the host, for example by using antigenic variation, masking of epitopes, the use of decoys, molecular mimicry, etc. The second is the modulation and/or suppression of the innate (e.g. complement, NK cells) and adaptive (e.g. antibodies) immune responses. A better understanding of the underlying mechanisms involved is critical for the rational design of novel therapeutic agents and vaccines to treat and/or prevent infectious diseases. Another area of active research is the application of microbial immunomodulatory factors in the treatment of human immunological disorders (e.g. inflammatory bowel disease and asthma) and as sources of pharmacologically active agents. In this book, internationally renown scientists critically review the current cutting-edge research in this area. Topics covered include the subversion of complement, NK cell function, mucosal innate immune response, evasion/subversion mechanisms used by bacteria, helminths, viruses, and the measles model system. Containing over 1,700 references, this book is an essential resource book for researchers in the fields of microbiology, immunology, pharmacology, and molecular medicine.
Cytosolic Bacterial Subversions Of Mucosal Immunity
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Author : Camille Rey
language : en
Publisher:
Release Date : 2018
Cytosolic Bacterial Subversions Of Mucosal Immunity written by Camille Rey and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with categories.
Cytosolic bacterial pathogens S. flexneri and L. monocytogenes subvert extracellular mucosal immunity by inducing their uptake and intracellular lifestyle in the intestinal epithelium. Within the host, they are able to rapidly escape their internalization vacuole, invade the cytosol and escape cellular degradation by spreading from cell-to-cell. Antigen sampling M cells overlying immune induction sites are targeted by these pathogens to initiate intestinal invasion. However, the intracellular lifestyle of these pathogens within M cells, the mechanism of spread of the infection toneigh boring enterocytes from this entry point and the mechanism of S. flexneri evasion of adaptive immunity is poorly characterized. We present a novel physiologic model of apical S. flexneri infection of human in vitro M cells which recapitulates the early steps of epithelial invasion. We show that a subset of S. flexneri is rapidly transcytosed, within 15 minutes, through M cells. We establish a newtime-lapse imaging approach of M cell infections, which reveals that another subset of bacteriainduces apical ruffling upon entry, vacuolar rupture and replicates within the M cells at later timepoints. Remarkably, these bacteria are able to spread from M cells to neighboring cells by actinbased-motility, which we show constitutes the main route of basolateral spreading of the infection.As we extend our study to L. monocytogenes, we observe that unlike S. flexneri, the bacterium diverts M cell transcytosis via the virulence factor ActA. However, we discover that L. monocytogenes spreads within the epithelium exclusively by actin-based motility, similar to S. flexneri. We propose that subversion of M cell transcytosis and avoidance of underlying immune tissues are features shared by cytosolic pathogens, allowing their escape from induction of adaptive immunity.In addition, we submit a pipeline of fluorescence-based single cell sorting of enterocytes atsuccessive stages of infection combined with transcriptional analysis by multiplex qPCR. This methodreveals the production of distinct responses in host enterocytes according to subcellular pathogen localizations. We observe the production of a strong bystander response involving multiplecorrelated host pathways in non-infected enterocytes. Moreover, we detect the output of distinct host response patterns according to vacuolar or cytosolic bacterial localizations in infectedenterocytes. We further show that the virulence effector OspF contributes to dampen infected host responses and disrupt otherwise correlated host signaling pathways. To conclude, our studies expose new immune subversion strategies linked to the intracellular life styles of cytosolic enteric bacteria, highlighting the importance of M cells in initial bacterial dissemination and diversion of adaptive immunity, and the organization and disruption of innate immune responses provoked in enterocytes during infection.
Pathogenesis Of Bacterial Infections In Animals
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Author : John F. Prescott
language : en
Publisher: John Wiley & Sons
Release Date : 2022-08-15
Pathogenesis Of Bacterial Infections In Animals written by John F. Prescott and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-08-15 with Medical categories.
PATHOGENESIS OF BACTERIAL INFECTIONS IN ANIMALS Comprehensive review of the major bacterial pathogens of animals, focusing on the current understanding of how they cause disease Pathogenesis of Bacterial Infections in Animals, Fifth Edition is a specialist reference that provides a comprehensive review of bacterial pathogens in animals and their complex interplay with disease processes, offering a complete understanding of how bacteria cause disease in animals. It covers the many recent advances in the field including the newest taxonomies. In this revised and long anticipated fifth edition, additional introductory chapters have been added to set the material in context, and more figures added to integrate and improve understanding and comprehension throughout the text. A companion website presents the figures from the book in PowerPoint and references. This detailed reference includes novel approaches to controlling bacterial pathogens in the light of growing concerns about antimicrobial resistance, with more than 70 expert authors sharing their wisdom on the topic. While molecular pathogenesis is a major aspect in almost every chapter, the authors have been careful to place pathogens in their broader context. Pathogenesis of Bacterial Infections in Animals, Fifth Edition also contains information on: Themes in bacterial pathogenesis, covering the basic elements of pathogenesis, concepts of virulence, host-pathogen interactions and communication, and pathogenesis in the post-genomic era Evolution of bacterial pathogens, covering what they are and how they emerge, along with sources of genetic diversity, population structure, and genome plasticity Understanding of pathogenesis through pathogenomics and bioinformatics, including how mutations generate pathogen diversity, and an overview of genome sequencing technologies Subversion of the immune response by bacterial pathogens, covering subversion of both innate responses and adaptive immunity Pathogenesis of Bacterial Infections in Animals, Fifth Edition is an essential resource for graduate students in veterinary medicine and animal science, and for veterinary microbiologists, pathologists, infectious disease experts, and others interested in bacterial disease. It is the only book to cover this topic to this depth through the wealth of insight of dozens of qualified and practicing professionals.
Janeway S Immunobiology
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Author : Kenneth Murphy
language : en
Publisher: Garland Science
Release Date : 2010-06-22
Janeway S Immunobiology written by Kenneth Murphy and has been published by Garland Science this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-06-22 with Medical categories.
The Janeway's Immunobiology CD-ROM, Immunobiology Interactive, is included with each book, and can be purchased separately. It contains animations and videos with voiceover narration, as well as the figures from the text for presentation purposes.
Cell Signaling In Host Pathogen Interactions The Host Point Of View
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Author : Diana Bahia
language : en
Publisher: Frontiers Media SA
Release Date : 2018-03-23
Cell Signaling In Host Pathogen Interactions The Host Point Of View written by Diana Bahia and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-03-23 with categories.
The ability of pathogens, such as parasites, bacteria, fungi and viruses to invade, persist and adapt in both invertebrate and vertebrate hosts is multifactorial and depends on both pathogen and host fitness. Communication between a pathogen and its host relies on a wide and dynamic array of molecular interactions. Through this constant communication most pathogens evolved to be relatively benign, whereas killing of its host by a pathogen represents a failure to adapt. Pathogens are lethal to their host when their interaction has not been long enough for adaptation. Evolution has selected conserved immune receptors that recognize signature patterns of pathogens as non-self elements and initiate host innate responses aimed at eradicating infection. Conversely, pathogens evolved mechanisms to evade immune recognition and subvert cytokine secretion in order to survive, replicate and cause disease. The cell signaling machinery is a critical component of the immune system that relays information from the receptors to the nucleus where transcription of key immune genes is activated. Host cells have developed signal transduction systems to maintain homeostasis with pathogens. Most cellular processes and cell signaling pathways are tightly regulated by protein phosphorylation in which protein kinases are key protagonists. Pathogens have developed multiple mechanisms to subvert important signal transduction pathways such as the mitogen activated protein kinase (MAPK) and the nuclear factor kB (NF-kB) pathways. Pathogens also secrete effectors that manipulate actin cytoskeleton and its regulators, hijack cell cycle machinery and alter vesicular trafficking. This research topic focuses on the cellular signaling mechanisms that are essential for host immunity and their subversion by pathogens.
Pathogenesis Of Bacterial Infections In Animals
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Author : Carlton L. Gyles
language : en
Publisher: John Wiley & Sons
Release Date : 2008-02-28
Pathogenesis Of Bacterial Infections In Animals written by Carlton L. Gyles and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-02-28 with Medical categories.
This much-anticipated third edition again consolidates the knowledge of more than twenty experts on pathogenesis of animal disease caused by various species or groups of bacteria. Emphasizing pathogenic events at the molecular and cellular levels, the editors and contributors place these developments in the context of the overall picture of disease. Pathogenesis of Bacterial Infections in Animals, Third edition, updates and expands the content of the second edition and includes cutting-edge information from the most current research. Comments on previous editions: "...highly recommended." --The Veterinary Record "...a comprehensive, complete and easy-to-use source of information." --Veterinary Microbiology "...recommended for graduate students and specialists in microbiology, pathology and infectious disease." --U.S. Animal Health Association Newsletter "...a wonderful book." --Journal of the American Veterinary Medical Association "...highly recommended." --The Cornell Veterinarian Graduate students, faculty, researchers, and specialists in microbiology, pathology, and infectious diseases will benefit from this highly-detailed and expanded edition of a popular and well-read veterinary text.
Cell Signaling In Host Pathogen Interactions The Host Point Of View
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Author :
language : en
Publisher:
Release Date : 2018
Cell Signaling In Host Pathogen Interactions The Host Point Of View written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with categories.
The ability of pathogens, such as parasites, bacteria, fungi and viruses to invade, persist and adapt in both invertebrate and vertebrate hosts is multifactorial and depends on both pathogen and host fitness. Communication between a pathogen and its host relies on a wide and dynamic array of molecular interactions. Through this constant communication most pathogens evolved to be relatively benign, whereas killing of its host by a pathogen represents a failure to adapt. Pathogens are lethal to their host when their interaction has not been long enough for adaptation. Evolution has selected conserved immune receptors that recognize signature patterns of pathogens as non-self elements and initiate host innate responses aimed at eradicating infection. Conversely, pathogens evolved mechanisms to evade immune recognition and subvert cytokine secretion in order to survive, replicate and cause disease. The cell signaling machinery is a critical component of the immune system that relays information from the receptors to the nucleus where transcription of key immune genes is activated. Host cells have developed signal transduction systems to maintain homeostasis with pathogens. Most cellular processes and cell signaling pathways are tightly regulated by protein phosphorylation in which protein kinases are key protagonists. Pathogens have developed multiple mechanisms to subvert important signal transduction pathways such as the mitogen activated protein kinase (MAPK) and the nuclear factor kB (NF-kB) pathways. Pathogens also secrete effectors that manipulate actin cytoskeleton and its regulators, hijack cell cycle machinery and alter vesicular trafficking. This research topic focuses on the cellular signaling mechanisms that are essential for host immunity and their subversion by pathogens.
Bacterial Evasion Of The Host Immune System
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Author : Pedro Escoll
language : en
Publisher: Caister Academic Press Limited
Release Date : 2017
Bacterial Evasion Of The Host Immune System written by Pedro Escoll and has been published by Caister Academic Press Limited this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with Medical categories.
Expert international authors critically review the most important current research in bacterial evasion of the host immune response. Topics range from an overview of the seven most important bacterial secretion systems to a thorough review of evsaion by mycobacteria. Essential reading for everyone involved in bacterial pathogenesis research.
The Immune Response
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Author : Tak W. Mak
language : en
Publisher: Academic Press
Release Date : 2005-11-11
The Immune Response written by Tak W. Mak and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-11-11 with Medical categories.
The Immune Response is a unique reference work covering the basic and clinical principles of immunology in a modern and comprehensive fashion. Written in an engaging conversational style, the book conveys the broad scope and fascinating appeal of immunology. The book is beautifully illustrated with superb figures as well as many full color plates. This extraordinary work will be an invaluable resource for lecturers and graduate students in immunology, as well as a vital reference for research scientists and clinicians studying related areas in the life and medical sciences. Current and thorough 30 chapter reference reviewed by luminaries in the field Unique ‘single voice' ensures consistency of definitions and concepts Comprehensive and elegant illustrations bring key concepts to life Provides historical context to allow fuller understanding of key issues Introductory chapters 1-4 serve as an ‘Immunology Primer' before topics are discussed in more detail
Unifying Microbial Mechanisms
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Author : Michael F. Cole
language : en
Publisher: Garland Science
Release Date : 2019-09-09
Unifying Microbial Mechanisms written by Michael F. Cole and has been published by Garland Science this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-09-09 with Science categories.
Microbial pathogenesis is the study of the mechanisms by which microbes (bacteria, viruses, protozoa, and multicellular parasites) cause infectious disease and make their hosts (humans) ill. Bacterial infections we thought were easily treatable are again a huge cause for concern with the well-publicized rise of antibiotic resistance. There are very few effective antiviral drugs and we live with the threat of epidemics such as bird flu and the outbreaks of viruses such the recent (and ongoing) Ebola crisis. Parasitic diseases such as malaria continue to pose a heavy burden in the developing world and with climate change could spread into the developed world. There is therefore an urgent need to understand microbial mechanisms, with research programmes and university courses dedicated to the subject