quorum sensing

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Quorum Sensing
Author :
Publisher : Academic Press
Release Date :
ISBN 10 : 012814906X
Pages : 309 pages
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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

Quorum Sensing

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

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Quorum Sensing vs Quorum Quenching  A Battle with No End in Sight

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

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Implication of Quorum Sensing System in Biofilm Formation and Virulence

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

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Fundamentals of Quorum Sensing  Analytical Methods and Applications in Membrane Bioreactors

Fundamentals of Quorum Sensing, Analytical Methods and Applications in Membrane Bioreactors, Volume 81, describes the novelty of membrane bioreactors for the treatment of wastewater and the removal of specific contaminants that affect water quality or pose harm to humans. Topics of note in the updated release include Water Chemistry and Microbiology,

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The Quorum sensing Regulon of Vibrio Fischeri

In this study five proteins regulated by quorum sensing are described from the marine bacterium Vibrio fischeri. Each protein is positively regulated by 30C6-HSL and LuxR and negatively regulated at low population density by C8-HSL. Probable LuxR/autoinducer binding sites are found in the promoter regions of the

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Implication of Quorum Sensing and Biofilm Formation in Medicine  Agriculture and Food Industry

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

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Trends in Quorum Sensing and Quorum Quenching

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

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Food Safety

Food safety is defined as the concept that food will not cause harm to the consumer when it is prepared and/or eaten according to its intended use. Most food product recalls and food-related outbreaks are fully considered as food safety failures. Many risk-based food safety standards, e.g., HACCP,

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Regulation of Quorum Sensing Transcription Factor TraR and Replication of a Tumor inducing Plasmid in Agrobacterium Tumefaciens

Genetic studies have shown that the activity of TraR is regulated at the post-translational level by TrIR, a native A. tumefaciens protein that resembles the N-terminal domain of TraR, and an anti-regulator of TraR. I conducted several biochemical studies and showed that TrIR inhibited TraR activity in vitro by forming

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Fundamentals of  and Applications Based on  Quorum Sensing and Quorum Sensing Interference

Background Bacteria use quorum sensing (QS) circuits to coordinate various activities (among which biofilm formation and the expression of virulence factors) based on the presence of signaling molecules. Different families of signal molecules have been identified in Gram positive and Gram negative bacteria (e.g. autoinducer peptides and acyl homoserine

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Evidence of Quorum Sensing Activity in a Wastewater treament Environment

Download or read online Evidence of Quorum Sensing Activity in a Wastewater treament Environment written by Rohit Gupta, published by Unknown which was released on 2003. Get Evidence of Quorum Sensing Activity in a Wastewater treament Environment Books now! Available in PDF, ePub and Kindle.

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Advances in Plant Pathology

Plant pathology deals mainly with biotic phenomena that interfere with the normal metabolism of plants. Plants have developed mechanisms to deal with pathogenic attacks, while at the same time, pathogens are actively devising ways of overcoming the plant defense systems. Plant pathologists have been advancing their studies from morphological and

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Quorum Sensing  Exploring an Aspiring Therapeutic Target for Bacterial Diseases

"Quorum Sensing: Exploring an Aspiring Therapeutic Target for Bacterial Diseases." Antibiotics have been commonly used to prevent bacterial infection and diseases for many decades since their discovery at the beginning of the 20th century. However, emerging evidence indicates that traditional antibiotic treatments tend to be ineffective for the patients, due

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Krasner s Microbial Challenge

The fourth edition of Krasner's Microbial Challenge focuses on human-microbe interactions and considers bacterial, viral, prion, protozoan, fungal and helminthic (worm) diseases and is the ideal resource for non-majors, nursing programs, and public health programs.

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New and Future Developments in Microbial Biotechnology and Bioengineering

New and Future Developments in Microbial Biotechnology and Bioengineering: Microbial Secondary Metabolites Biochemistry and Applications examines the areas of biotechnology and chemical engineering, covering aspects of plants, bacteria and machines, and using microbes as factories. The book is aimed at undergraduates, post-graduates and researchers studying microbial secondary metabolites, and is

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