Bacteriophages Prophages And Their Products Regulating Bacterial Populations
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Bacteriophages Prophages And Their Products Regulating Bacterial Populations
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Author : Barbara Maciejewska
language : en
Publisher: Frontiers Media SA
Release Date : 2025-06-18
Bacteriophages Prophages And Their Products Regulating Bacterial Populations written by Barbara Maciejewska 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 2025-06-18 with Science categories.
Bacteriophages represent the most abundant biological entities in the biosphere and play a crucial role in controlling the number and biodiversity of bacterial populations. Furthermore, the majority of bacterial genomes contain bacteriophages in the prophage form, ranging from inducible intact prophages, over incomplete phage genomes to single moron genes of phage origin. The impact of bacteriophages on bacterial populations both under the lytic or lysogenic cycle within any given environment is characterized by a great degree of complexity. It can be discussed on different ecological levels: in the abiotic environment content, the interactions between phages and their hosts, as well as interactions between phages. Prophages influence the genetic diversity of bacteria and expand their phenotypic profile encoding proteins associated with resistance, virulence, defense, and toxicity. Additionally, phage-derived enzymes (like lysins or depolymerases) of prophage or lytic phage origin, which may be released into the environment, exert a consequential influence on the natural balance in bacterial ecosystems. Phages and individual recombinant enzymes with antibacterial properties are utilized to modulate bacterial populations. This approach proves relevant in infection treatment, food preservation, and the eradication of bacteria, including biofilm, from various surfaces. Understanding the evolutionary-ecological interactions between bacteria and phages will not only facilitate the application of phage therapy but also enhance the utilization of products derived from phages. In this Research Topic, we welcome Original Research, Reviews, Mini Reviews, Methods, Perspectives, and Opinions, in the following areas: • Prevalence and ecological significance of bacteriophages influencing bacterial population biodiversity and abundance • The use of bacteriophages and phage enzymes to modulate and eradicate bacteria in various niches (including the natural and clinical environment, industries, and microbiome) • Distribution and characteristics of prophages in terms of bacterial diversity
Growing And Handling Of Bacterial Cultures
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Author : Madhusmita Mishra
language : en
Publisher: Intechopen
Release Date : 2019-12-04
Growing And Handling Of Bacterial Cultures written by Madhusmita Mishra and has been published by Intechopen this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-12-04 with Science categories.
Growing and Handling of Bacterial Cultures is a collection of reviewed and relevant research chapters, offering a comprehensive overview of recent developments in the field of Life Sciences. The book comprises single chapters authored by various researchers and edited by an expert active in the field. All chapters are complete in itself but united under a common research study topic. This publication aims at providing a thorough overview of the latest research efforts by international authors on Growing and Handling of Bacterial Cultures, and open new possible research paths for further novel developments.
Bacteriophage
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Author : Stephen Mc Grath
language : en
Publisher: Caister Academic Press Limited
Release Date : 2007
Bacteriophage written by Stephen Mc Grath 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 2007 with Science categories.
Written by eminent international researchers actively involved in the disparate areas of bacteriophage research this book focuses on the current rapid developments in this exciting field.
Stress And Environmental Regulation Of Gene Expression And Adaptation In Bacteria
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Author : Frans J. de Bruijn
language : en
Publisher: John Wiley & Sons
Release Date : 2016-07-01
Stress And Environmental Regulation Of Gene Expression And Adaptation In Bacteria written by Frans J. de Bruijn 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 2016-07-01 with Science categories.
Bacteria in various habitats are subject to continuously changing environmental conditions, such as nutrient deprivation, heat and cold stress, UV radiation, oxidative stress, dessication, acid stress, nitrosative stress, cell envelope stress, heavy metal exposure, osmotic stress, and others. In order to survive, they have to respond to these conditions by adapting their physiology through sometimes drastic changes in gene expression. In addition they may adapt by changing their morphology, forming biofilms, fruiting bodies or spores, filaments, Viable But Not Culturable (VBNC) cells or moving away from stress compounds via chemotaxis. Changes in gene expression constitute the main component of the bacterial response to stress and environmental changes, and involve a myriad of different mechanisms, including (alternative) sigma factors, bi- or tri-component regulatory systems, small non-coding RNA’s, chaperones, CHRIS-Cas systems, DNA repair, toxin-antitoxin systems, the stringent response, efflux pumps, alarmones, and modulation of the cell envelope or membranes, to name a few. Many regulatory elements are conserved in different bacteria; however there are endless variations on the theme and novel elements of gene regulation in bacteria inhabiting particular environments are constantly being discovered. Especially in (pathogenic) bacteria colonizing the human body a plethora of bacterial responses to innate stresses such as pH, reactive nitrogen and oxygen species and antibiotic stress are being described. An attempt is made to not only cover model systems but give a broad overview of the stress-responsive regulatory systems in a variety of bacteria, including medically important bacteria, where elucidation of certain aspects of these systems could lead to treatment strategies of the pathogens. Many of the regulatory systems being uncovered are specific, but there is also considerable “cross-talk” between different circuits. Stress and Environmental Regulation of Gene Expression and Adaptation in Bacteria is a comprehensive two-volume work bringing together both review and original research articles on key topics in stress and environmental control of gene expression in bacteria. Volume One contains key overview chapters, as well as content on one/two/three component regulatory systems and stress responses, sigma factors and stress responses, small non-coding RNAs and stress responses, toxin-antitoxin systems and stress responses, stringent response to stress, responses to UV irradiation, SOS and double stranded systems repair systems and stress, adaptation to both oxidative and osmotic stress, and desiccation tolerance and drought stress. Volume Two covers heat shock responses, chaperonins and stress, cold shock responses, adaptation to acid stress, nitrosative stress, and envelope stress, as well as iron homeostasis, metal resistance, quorum sensing, chemotaxis and biofilm formation, and viable but not culturable (VBNC) cells. Covering the full breadth of current stress and environmental control of gene expression studies and expanding it towards future advances in the field, these two volumes are a one-stop reference for (non) medical molecular geneticists interested in gene regulation under stress.
Bacteriophage Ecology
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Author : Stephen T. Abedon
language : en
Publisher: Cambridge University Press
Release Date : 2008-05-01
Bacteriophage Ecology written by Stephen T. Abedon and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-05-01 with Science categories.
Bacteriophages, or phages, are viruses that infect bacteria and are believed to be the most abundant and genetically diverse organisms on Earth. As such, their ecology is vast both in quantitative and qualitative terms. Their abundance makes an understanding of phage ecology increasingly relevant to bacterial ecosystem ecology, bacterial genomics and bacterial pathology. Abedon provides the first text on phage ecology for almost 20 years. Written by leading experts, synthesizing the three key approaches to studying phage ecology, namely studying them in natural environments (in situ), experimentally in the lab, or theoretically using mathematical or computer models. With strong emphasis on microbial population biology and distilling cutting-edge research into basic principles, this book will complement other currently available volumes. It will therefore serve as an essential resource for graduate students and researchers, particularly those with an interest in phage ecology and evolutionary biology.
The Bacteriophages
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Author : Richard Calendar
language : en
Publisher: Oxford University Press
Release Date : 2006
The Bacteriophages written by Richard Calendar and has been published by Oxford University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Science categories.
This authoritative, timely, and comprehensively referenced compendium on the bacteriophages explores current views of how viruses infect bacteria. In combination with classical phage molecular genetics, new structural, genomic, and single-molecule technologies have rendered an explosion in our knowledge of phages. Bacteriophages, the most abundant and genetically diverse type of organism in the biosphere, were discovered at the beginning of the 20th century and enjoyed decades of used as anti-bacterial agents before being eclipsed by the antibiotic era. Since 1988, phages have come back into the spotlight as major factors in pathogenesis, bacterial evolution, and ecology. This book reveals their compelling elegence of function and their almost inconceivable diversity.Much of the founding work in molecular biology and structural biology was done on bacteriophages. These are widely used in molecular biology research and in biotechnology, as probes and markers, and in the popular method of assesing gene expression.
Snyder And Champness Molecular Genetics Of Bacteria
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Author : Tina M. Henkin
language : en
Publisher: John Wiley & Sons
Release Date : 2020-10-27
Snyder And Champness Molecular Genetics Of Bacteria written by Tina M. Henkin 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 2020-10-27 with Science categories.
The single most comprehensive and authoritative textbook on bacterial molecular genetics Snyder & Champness Molecular Genetics of Bacteria is a new edition of a classic text, updated to address the massive advances in the field of bacterial molecular genetics and retitled as homage to the founding authors. In an era experiencing an avalanche of new genetic sequence information, this updated edition presents important experiments and advanced material relevant to current applications of molecular genetics, including conclusions from and applications of genomics; the relationships among recombination, replication, and repair and the importance of organizing sequences in DNA; the mechanisms of regulation of gene expression; the newest advances in bacterial cell biology; and the coordination of cellular processes during the bacterial cell cycle. The topics are integrated throughout with biochemical, genomic, and structural information, allowing readers to gain a deeper understanding of modern bacterial molecular genetics and its relationship to other fields of modern biology. Although the text is centered on the most-studied bacteria, Escherichia coli and Bacillus subtilis, many examples are drawn from other bacteria of experimental, medical, ecological, and biotechnological importance. The book's many useful features include Text boxes to help students make connections to relevant topics related to other organisms, including humans A summary of main points at the end of each chapter Questions for discussion and independent thought A list of suggested readings for background and further investigation in each chapter Fully illustrated with detailed diagrams and photos in full color A glossary of terms highlighted in the text While intended as an undergraduate or beginning graduate textbook, Molecular Genetics of Bacteria is an invaluable reference for anyone working in the fields of microbiology, genetics, biochemistry, bioengineering, medicine, molecular biology, and biotechnology. "This is a marvelous textbook that is completely up-to-date and comprehensive, but not overwhelming. The clear prose and excellent figures make it ideal for use in teaching bacterial molecular genetics." —Caroline Harwood, University of Washington Watch an interview with the authors as they discuss their book further: https://www.youtube.com/watch?v=NEl-dfatWUU
The Pangenome
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Author : Hervé Tettelin
language : en
Publisher: Springer Nature
Release Date : 2020-04-30
The Pangenome written by Hervé Tettelin and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-04-30 with Science categories.
This open access book offers the first comprehensive account of the pan-genome concept and its manifold implications. The realization that the genetic repertoire of a biological species always encompasses more than the genome of each individual is one of the earliest examples of big data in biology that opened biology to the unbounded. The study of genetic variation observed within a species challenges existing views and has profound consequences for our understanding of the fundamental mechanisms underpinning bacterial biology and evolution. The underlying rationale extends well beyond the initial prokaryotic focus to all kingdoms of life and evolves into similar concepts for metagenomes, phenomes and epigenomes. The book’s respective chapters address a range of topics, from the serendipitous emergence of the pan-genome concept and its impacts on the fields of microbiology, vaccinology and antimicrobial resistance, to the study of microbial communities, bioinformatic applications and mathematical models that tie in with complex systems and economic theory. Given its scope, the book will appeal to a broad readership interested in population dynamics, evolutionary biology and genomics.
Bacteriophages
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Author : Elizabeth Kutter
language : en
Publisher: CRC Press
Release Date : 2004-12-28
Bacteriophages written by Elizabeth Kutter and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-12-28 with Medical categories.
In response to the emergence of pathogenic bacteria that cannot be treated with current antibiotics, many researchers are revisiting the use of bacteriophages, or phages, to fight multidrug-resistant bacteria. Bacteriophages: Biology and Applications provides unparalleled, comprehensive information on bacteriophages and their applications, such as
Bacteriophages In Health And Disease
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Author : Paul Hyman
language : en
Publisher: CABI
Release Date : 2012
Bacteriophages In Health And Disease written by Paul Hyman and has been published by CABI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Medical categories.
Bacteriophages are viruses that infect bacteria; as such, they have many potential uses for promoting health and combating disease. This book covers the many facets of phage-bacterial-human interaction in three sections: the role and impact of phages on natural bacterial communities, the potential to develop phage-based therapeutics and other aspects in which phages can be used to combat disease, including bacterial detection, bacterial epidemiology, the tracing of fecal contamination of water and decontamination of foods.