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Author: Vipin Chandra Kalia Publisher: Springer ISBN: 9788132235484 Category : Science Languages : en Pages : 0
Book Description
Microbial relationships with all life forms can be as free living, symbiotic or pathogenic. Human beings harbor 10 times more microbial cells than their own. Bacteria are found on the skin surface, in the gut and other body parts. Bacteria causing diseases are the most worrisome. Most of the infectious diseases are caused by bacterial pathogens with an ability to form biofilm. Bacteria within the biofilm are up to 1000 times more resistant to antibiotics. This has taken a more serious turn with the evolution of multiple drug resistant bacteria. Health Departments are making efforts to reduce high mortality and morbidity in man caused by them. Bacterial Quorum sensing (QS), a cell density dependent phenomenon is responsible for a wide range of expressions such as pathogenesis, biofilm formation, competence, sporulation, nitrogen fixation, etc. Majority of these organisms that are important for medical, agriculture, aquaculture, water treatment and remediation, archaeological departments are: Aeromonas, Acinetobacter, Bacillus, Clostridia, Enterococcus, Pseudomonas, Vibrio and Yersinia spp. Biosensors and models have been developed to detect QS systems. Strategies for inhibiting QS system through natural and synthetic compounds have been presented here. The biotechnological applications of QS inhibitors (QSIs) in diverse areas have also been dealt with. Although QSIs do not affect growth and are less likely to impose selective pressure on bacteria, however, a few reports have raised doubts on the fate of QSIs. This book addresses a few questions. Will bacteria develop mechanisms to evade QSIs? Are we watching yet another defeat at the hands of bacteria? Or will we be acting intelligently and survive the onslaughts of this Never Ending battle?
Author: Vipin Chandra Kalia Publisher: Springer ISBN: 9788132235484 Category : Science Languages : en Pages : 0
Book Description
Microbial relationships with all life forms can be as free living, symbiotic or pathogenic. Human beings harbor 10 times more microbial cells than their own. Bacteria are found on the skin surface, in the gut and other body parts. Bacteria causing diseases are the most worrisome. Most of the infectious diseases are caused by bacterial pathogens with an ability to form biofilm. Bacteria within the biofilm are up to 1000 times more resistant to antibiotics. This has taken a more serious turn with the evolution of multiple drug resistant bacteria. Health Departments are making efforts to reduce high mortality and morbidity in man caused by them. Bacterial Quorum sensing (QS), a cell density dependent phenomenon is responsible for a wide range of expressions such as pathogenesis, biofilm formation, competence, sporulation, nitrogen fixation, etc. Majority of these organisms that are important for medical, agriculture, aquaculture, water treatment and remediation, archaeological departments are: Aeromonas, Acinetobacter, Bacillus, Clostridia, Enterococcus, Pseudomonas, Vibrio and Yersinia spp. Biosensors and models have been developed to detect QS systems. Strategies for inhibiting QS system through natural and synthetic compounds have been presented here. The biotechnological applications of QS inhibitors (QSIs) in diverse areas have also been dealt with. Although QSIs do not affect growth and are less likely to impose selective pressure on bacteria, however, a few reports have raised doubts on the fate of QSIs. This book addresses a few questions. Will bacteria develop mechanisms to evade QSIs? Are we watching yet another defeat at the hands of bacteria? Or will we be acting intelligently and survive the onslaughts of this Never Ending battle?
Author: Giuseppina Tommonaro Publisher: Academic Press ISBN: 012814906X Category : Medical Languages : en Pages : 309
Book Description
Quorum sensing (QS) is a process of bacterial cooperative behaviour that has an effect on gene regulation. This cell-to-cell communication system involves the production of signalling molecules according to cell density and growth stage. Virulence, the ability to infest a habitat and cause disease, is also governed by such communication signals. Quorum Sensing: Molecular mechanism and biotechnological application collects, describes and summarizes the most interesting results obtained from experts working on QS mechanisms. It contributes to the understanding of the molecular basis that regulates this mechanism, and describes new findings in fields of application. This volume describes the QS mechanism from its molecular basis to medical applications such as antibiotic therapy and involvement of QS in pathologies. This reference also analyzes its potential use in biotechnological applications such as food packaging, drug delivery, and marine biofilm. The broad scope of this title will be of significant use to researchers across several fields with interest in QS, including to microbiologists, chemists, biochemists and ecologists. Describes Quorum Sensing (QS) mechanisms from their molecular basis, to their clinical applications Spans several fields in relation to QS, including microbiology, chemistry, biochemistry and ecology Considers QS as an approach to the discovery of new antibiotics Looks at QS as a means to understand the microbial world and towards use of bacteria and their products in biotechnological applications Summarizes key results on QS mechanisms’ molecular basis and fields of application
Author: Saurabh Sudha Dhiman Publisher: ISBN: 9780841298606 Category : Science Languages : en Pages : 308
Book Description
New developments in researching quorum sensing Microbial growth affects industries as diverse as agriculture, engineering, and medicine, to name a few. As more precise solutions are needed for modern challenges, researchers must understand the mechanisms of microbial growth. Quorum sensing (QS) is an essential part of microbial growth, and this work contains key areas such as signal molecules; mechanisms of signal transfer, role, and type of signal receptors; quorum quenching; characterization of microbial plasmids in quorum sensing; and novel and underexplored molecules involved in QS, along with therapeutic roles of quorum sensing inhibitors. This volume is perfect for researchers working on microbiology or biotechnology.
Author: V. Ravishankar Rai Publisher: CRC Press ISBN: 1000051498 Category : Science Languages : en Pages : 628
Book Description
The book on Trends in Quorum Sensing and Quorum Quenching: New Perspectives and Applications focuses on the recent advances in the field of quorum sensing in bacteria and the novel strategies developed for quorum sensing inhibition. The topics covered are multidisciplinary and wide-ranging,and includes quorum sensing phenomenon in pathogenic bacteria, food spoilers, and agriculturally relevant bacteria. The applications of quorum sensing inhibitors such as small molecules, bioactives, natural compounds, and quorum quenching enzymes in controlling bacterial infections in clinical settings, agriculture and aquaculture are discussed. The potential use of quorum quenching enzymes for mitigating biofouling is also covered. Special focus is given to exploring quorum sensing inhibitors from microbes and flora inhabiting biodiversity rich regions including tropical rain forests and marine environments. Key features: Covers the fundamental aspects, the progress and challenges in the field of quorum sensing and quorum quenching Reviews quorum sensing in Gram-positive and Gram-negative bacteria of clinical, agricultural, and industrial relevance Discusses the application and future trends of quorum sensing inhibitors from lab to clinical and environmental settings Provides comprehensive coverage on molecular mechanisms in bacterial signaling
Author: Giuseppina Tommonaro Publisher: Academic Press ISBN: 0128149051 Category : Medical Languages : en Pages : 310
Book Description
Quorum sensing (QS) is a process of bacterial cooperative behaviour that has an effect on gene regulation. This cell-to-cell communication system involves the production of signalling molecules according to cell density and growth stage. Virulence, the ability to infest a habitat and cause disease, is also governed by such communication signals. Quorum Sensing: Molecular mechanism and biotechnological application collects, describes and summarizes the most interesting results obtained from experts working on QS mechanisms. It contributes to the understanding of the molecular basis that regulates this mechanism, and describes new findings in fields of application. This volume describes the QS mechanism from its molecular basis to medical applications such as antibiotic therapy and involvement of QS in pathologies. This reference also analyzes its potential use in biotechnological applications such as food packaging, drug delivery, and marine biofilm. The broad scope of this title will be of significant use to researchers across several fields with interest in QS, including to microbiologists, chemists, biochemists and ecologists. Describes Quorum Sensing (QS) mechanisms from their molecular basis, to their clinical applications Spans several fields in relation to QS, including microbiology, chemistry, biochemistry and ecology Considers QS as an approach to the discovery of new antibiotics Looks at QS as a means to understand the microbial world and towards use of bacteria and their products in biotechnological applications Summarizes key results on QS mechanisms' molecular basis and fields of application
Author: V. Ravishankar Rai Publisher: CRC Press ISBN: 1000051471 Category : Science Languages : en Pages : 407
Book Description
The book on Trends in Quorum Sensing and Quorum Quenching: New Perspectives and Applications focuses on the recent advances in the field of quorum sensing in bacteria and the novel strategies developed for quorum sensing inhibition. The topics covered are multidisciplinary and wide-ranging,and includes quorum sensing phenomenon in pathogenic bacteria, food spoilers, and agriculturally relevant bacteria. The applications of quorum sensing inhibitors such as small molecules, bioactives, natural compounds, and quorum quenching enzymes in controlling bacterial infections in clinical settings, agriculture and aquaculture are discussed. The potential use of quorum quenching enzymes for mitigating biofouling is also covered. Special focus is given to exploring quorum sensing inhibitors from microbes and flora inhabiting biodiversity rich regions including tropical rain forests and marine environments. Key features: Covers the fundamental aspects, the progress and challenges in the field of quorum sensing and quorum quenching Reviews quorum sensing in Gram-positive and Gram-negative bacteria of clinical, agricultural, and industrial relevance Discusses the application and future trends of quorum sensing inhibitors from lab to clinical and environmental settings Provides comprehensive coverage on molecular mechanisms in bacterial signaling
Author: Pallaval Veera Bramhachari Publisher: Springer ISBN: 9811324298 Category : Medical Languages : en Pages : 381
Book Description
This book illustrates the importance and significance of Quorum sensing (QS), it’s critical roles in regulating diverse cellular functions in microbes, including bioluminescence, virulence, pathogenesis, gene expression, biofilm formation and antibiotic resistance. Microbes can coordinate population behavior with small molecules called autoinducers (AHL) which serves as a signal of cellular population density, triggering new patterns of gene expression for mounting virulence and pathogenesis. Therefore, these microbes have the competence to coordinate and regulate explicit sets of genes by sensing and communicating amongst themselves utilizing variety of signals. This book descry emphasizes on how bacteria can coordinate an activity and synchronize their response to external signals and regulate gene expression. The chapters of the book provide the recent advancements on various functional aspects of QS systems in different gram positive and gram negative organisms. Finally, the book also elucidates a comprehensive yet a representative description of a large number of challenges associated with quorum sensing signal molecules viz. virulence, pathogenesis, antibiotic synthesis, biosurfactants production, persister cells, cell signaling and biofilms, intra and inter-species communications, host-pathogen interactions, social interactions & swarming migration in biofilms.
Author: Tony Romeo Publisher: Springer Science & Business Media ISBN: 3540754180 Category : Medical Languages : en Pages : 302
Book Description
Throughout the biological world, bacteria thrive predominantly in surface-attached, matrix-enclosed, multicellular communities or biofilms, as opposed to isolated planktonic cells. This choice of lifestyle is not trivial, as it involves major shifts in the use of genetic information and cellular energy, and has profound consequences for bacterial physiology and survival. Growth within a biofilm can thwart immune function and antibiotic therapy and thereby complicate the treatment of infectious diseases, especially chronic and foreign device-associated infections. Modern studies of many important biofilms have advanced well beyond the descriptive stage, and have begun to provide molecular details of the structural, biochemical, and genetic processes that drive biofilm formation and its dispersion. There is much diversity in the details of biofilm development among various species, but there are also commonalities. In most species, environmental and nutritional conditions greatly influence biofilm development. Similar kinds of adhesive molecules often promote biofilm formation in diverse species. Signaling and regulatory processes that drive biofilm development are often conserved, especially among related bacteria. Knowledge of such processes holds great promise for efforts to control biofilm growth and combat biofilm-associated infections. This volume focuses on the biology of biofilms that affect human disease, although it is by no means comprehensive. It opens with chapters that provide the reader with current perspectives on biofilm development, physiology, environmental, and regulatory effects, the role of quorum sensing, and resistance/phenotypic persistence to antimicrobial agents during biofilm growth.
Author: Pallaval Veera Bramhachari Publisher: Springer Nature ISBN: 9813294094 Category : Medical Languages : en Pages : 327
Book Description
The book illustrates the role of quorum sensing in the food industry, agriculture, veterinary sciences, and medicine. It highlights the importance of quorum sensing in regulating diverse cellular functions in microbes, including virulence, pathogenesis, controlled-gene expression systems, and antibiotic resistance. This book also describes the role of quorum sensing in survival behavior and antibiotic resistance in bacteria. Further, it reviews the major role played by quorum sensing in food spoilage, biofilm formation, and food-related pathogenesis. It also explores the methods for the detection and quantification of quorum sensing signals. It also presents antimicrobial and anti-quorum sensing activities of medicinal plants. Finally, the book elucidates a comprehensive yet representative description of basic and applied aspects of quorum sensing inhibitors. This book serves an ideal guide for researchers to understand the implications of quorum sensing in the food industry, medicine, and agriculture.
Author: Ryutaro Utsumi Publisher: Springer Science & Business Media ISBN: 0387788859 Category : Medical Languages : en Pages : 257
Book Description
This fascinating book encourages many microbiologists and students to enter the new world of signal transduction in microbiology. Over the past decade, a vast amount of exciting new information on the signal transduction pathway in bacteria has been unearthed.
Author: Vipin Chandra Kalia
Author: Vipin Chandra Kalia
Author: Giuseppina Tommonaro
Author: Saurabh Sudha Dhiman
Author: V. Ravishankar Rai
Author: Giuseppina Tommonaro
Author: V. Ravishankar Rai
Author: Pallaval Veera Bramhachari
Author: Tony Romeo
Author: Pallaval Veera Bramhachari
Author: Ryutaro Utsumi