Bacteriocins
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Bacteriocins Of Lactic Acid Bacteria
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Author : Luc De Vuyst
language : en
Publisher: Springer
Release Date : 2012-12-06
Bacteriocins Of Lactic Acid Bacteria written by Luc De Vuyst and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
As antibacterial compounds, bacteriocins have always lived in the shadow of those medically important, efficient and often broad-spectrum low-molecular mass antimicrobials, well known even to laypeople as antibiotics. This is despite the fact that bacteriocins were discovered as early as 1928, a year before the penicillin saga started. Bacteriocins are antimicrobial proteins or oligopeptides, displaying a much narrower activity spectrum than antibiotics; they are mainly active against bacterial strains taxonomically closely related to the producer strain, which is usually immune to its own bacteriocin. They form a heterogenous group with regard to the taxonomy of the producing bacterial strains, mode of action, inhibitory spectrum and protein structure and composition. Best known are the colicins and microcins produced by Enterobacteriaceae. Many other Gram-negative as well as Gram-positive bacteria have now been found to produce bacteriocins. In the last decade renewed interest has focused on the bacteriocins from lactic acid bacteria, which are industrially and agriculturally very important. Some of these compounds are even active against food spoilage bacteria and endospore formers and also against certain clinically important (food-borne) pathogens. Recently, bacteriocins from lactic acid bacteria have been studied intensively from every possible scientific angle: microbiology, biochemistry, molecular biology and food technology. Intelligent screening is going on to find novel compounds with unexpected properties, just as has happened (and is still happening) with the antibiotics. Knowledge, especially about bacteriocins from lactic acid bacteria, is accumulating very rapidly.
Bacteriocins Of Lactic Acid Bacteria
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Author : Dallas G. Hoover
language : en
Publisher: Academic Press
Release Date : 2014-06-28
Bacteriocins Of Lactic Acid Bacteria written by Dallas G. Hoover and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-06-28 with Science categories.
Bacteriocins of Lactic Acid Bacteria is based on the 1990 Annual Meeting of the Institute of Food Technologists held in Dallas, Texas. It describes a number of well-characterized bacteriocins and, where possible, discusses practical applications for those that have been defined thus far from the lactic acid bacteria. The book begins with an introductory overview of naturally occurring antibacterial compounds. This is followed by discussions of methods of detecting bacteriocins and biochemical procedures for extraction and purification; genetics and cellular regulation of bacteriocins; bacteriocins based on the genera of lactic acid bacteria Lactococcus, Lactobacillus, Pediococcus, and Leuconostoc, and related bacteria such as Carnobacterium and Propionibacterium; and the regulatory and political aspects for commercial use of these substances. The final chapter sets out the prognosis for the future of this dynamic area. The information contained in this book should benefit those with interest in the potential for industrial use of bacteriocins as preservative ingredients. Anyone interested in lactic acid bacteria or the biosynthesis, regulation, and mechanisms of inhibition of these proteinaceous compounds will also appreciate the material presented. These include food scientists, microbiologists, food processors and product physiologists, food toxicologists, and food and personal product regulators.
Bacteriocins
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Author : Qing Gu
language : en
Publisher: Springer Nature
Release Date : 2023-07-25
Bacteriocins written by Qing Gu and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-07-25 with Science categories.
This book intends to report the new results of the study of bacteriocins, from basic research to application fields. It mainly introduces the biological characteristics of bacteriocins, the relationship between their structure and function, the antibacterial mode of action, and their application as antibacterial agents in food industry, medical care, and other areas, especially their application potential in human health. This book can be used as a reference book for researchers, undergraduates, and graduated students in the professional fields of food science and engineering, bioengineering, medicine, and agriculture.
Bacteriocins
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Author : Margaret A. Riley
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-11-10
Bacteriocins written by Margaret A. Riley and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-11-10 with Science categories.
Microbes produce an extraordinary array of defense systems. This book tells the fascinating story about the evolutionary histories of bacteriocins and the ecological roles of these biological weapons in microbial communities. The book makes compelling reading for a multi-faceted scientific audience, including those working in the fields of biodiversity and biotechnology, notably in the human and animal health domain.
Bacteriocins Microcins And Lantibiotics
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Author : Richard James
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-06-29
Bacteriocins Microcins And Lantibiotics written by Richard James and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-06-29 with Science categories.
Presented here are recent findings on bacteriocins: plasmid-encoded toxins produced by bacteria, which differ from traditional antibiotics in killing only bacteria that are closely related to the producing strain. Included are introductory chapters on bacteriocins, microcins (low molecular weight bacteriocins), and lantibiotics (peptide antibiotics containing lanthionine), further, contributions on pore forming bacteriocins, the mechanisms of immunity to bacteriocins, uptake and secretion, as well as evolution of bacteriocins. It is of particular interest that the lantibiotic nisin is approved for use as food preservative and another lantibiotic, epidermin, has potential as a therapeutic drug against acne.
The Bacteriocins
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Author : Peter Reeves
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
The Bacteriocins written by Peter Reeves and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
In recent years bacteriocins, especially colicins, have become widely known to molecular biologists as proteins with peculiar ways of killing bacteria. These same bacteriocins have been known for a long time to bacteriology for their unusual activity spectra and enormous variety. In this monograph I have attempted to bring together our detailed knowledge of those few bacteriocins which have already re ceived attention from molecular biologists, and our less detailed hut extensive knowledge of the variety of bacteriocins which exist. The field has been reviewed in whole or in part, by several authors [FREDERICQ, 1957, 1964, 1965 (2); IVANOVICS, 1962; HAMON, 1965; REEVES, 1965 (2)]. These reviews have been very useful to the author, and readers will find further references in them, and sometimes alternative viewpoints. We have already referred to bacteriocins as proteins, and in doing so have ex cluded many more complex antibacterial agents which resemble bacteriophages or their tails. In the author's view, these phage-like particles are probably not bacterio cins, but many authors include them within the definition; the more restrictive de finition used here has meant omitting discussion of some excellent studies on what the present author would term defective bacteriophages. In the first chapter we look at the discovery of bacteriocins and an outline of their classification. With this background we can discuss in Chapters 2 to 6 the chemistry, genetics and mode of action of the more intensively studied bacteriocins.
Bacteriocins Of Lactic Acid Bacteria
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Author : Luc De Vuyst
language : en
Publisher: Springer
Release Date : 1994-01-15
Bacteriocins Of Lactic Acid Bacteria written by Luc De Vuyst and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994-01-15 with Juvenile Nonfiction categories.
As antibacterial compounds, bacteriocins have always lived in the shadow of those medically important, efficient and often broad-spectrum low-molecular mass antimicrobials, well known even to laypeople as antibiotics. This is despite the fact that bacteriocins were discovered as early as 1928, a year before the penicillin saga started. Bacteriocins are antimicrobial proteins or oligopeptides, displaying a much narrower activity spectrum than antibiotics; they are mainly active against bacterial strains taxonomically closely related to the producer strain, which is usually immune to its own bacteriocin. They form a heterogenous group with regard to the taxonomy of the producing bacterial strains, mode of action, inhibitory spectrum and protein structure and composition. Best known are the colicins and microcins produced by Enterobacteriaceae. Many other Gram-negative as well as Gram-positive bacteria have now been found to produce bacteriocins. In the last decade renewed interest has focused on the bacteriocins from lactic acid bacteria, which are industrially and agriculturally very important. Some of these compounds are even active against food spoilage bacteria and endospore formers and also against certain clinically important (food-borne) pathogens. Recently, bacteriocins from lactic acid bacteria have been studied intensively from every possible scientific angle: microbiology, biochemistry, molecular biology and food technology. Intelligent screening is going on to find novel compounds with unexpected properties, just as has happened (and is still happening) with the antibiotics. Knowledge, especially about bacteriocins from lactic acid bacteria, is accumulating very rapidly.
Bacteriocins
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Author : Troy Padilla
language : en
Publisher: Nova Science Publishers
Release Date : 2016
Bacteriocins written by Troy Padilla and has been published by Nova Science Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with Bacteriocins categories.
Bacteriocins are a heterogeneous group of peptides or proteins with antimicrobial activity synthesised ribosomally and released extracellularly by bacteria belonging to nearly all taxonomic groups. These are classified according to their genetic, structural and biochemical characteristics. Use of bacteriocinogenic cultures to improve the safety of food products would represent an attractive alternative to the use of chemical preservatives, based on the long history of safe use of naturally occurring bacteriocin producing food-grade bacteria. Chapter One in this book discusses the effects of bacteriocin production in situ by bacteria in food products and evidence for the probiotic properties of bacteriocin producers are collected in order to identify processes in which the application of bacteriocinogenic cultures can be effectively implemented. Chapter Two examines the importance of the use of bacteriocins in food preservation and also their potential use in human health. Chapter Three discusses a broad range of bacteriocin applications focusing not only on food biopreservation but also on biofilm control. Chapter Four reviews the recent applications of bacteriocin-producing PC in meats and meat products throughout the world. Chapter Five evaluates the effect of mild pressure treatments in the survival of Pediococcus acidilactici HA-6111-2 and on its bacteriocin production capacity.
The Bacteriocins
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Author : Robert L. Dorit
language : en
Publisher: Caister Academic Press Limited
Release Date : 2016
The Bacteriocins written by Robert L. Dorit 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 2016 with Medical categories.
Bacteriocins are potent protein toxins produced by virtually every bacterial and archeal species examined to date. These bactericidal peptides play an important role in regulating competitive interactions in natural microbial systems. From the perspective of human health, the bacteriocins represent a library of potential lead compounds honed over three billion years of evolution. Their narrow target range, high activity, surprising stability and low toxicity position them as viable alternatives or complements to existing small molecule antibiotics. The rise of antibiotic resistant pathogens and the growing awareness of the importance of the microbiome to human health underscore the need for this new class of antimicrobials, emblematic of a new approach to the treatment of infectious disease.In this volume, a range of experts explore our current understanding of the biology of these important compounds, and identify the prospects for their use in medical and veterinary applications. In so doing, this volume introduces the vast diversity of bacteriocin molecules and mechanisms and brings readers to the cutting edge of a new XXIst century approach to antibiotic discovery and design. Topics covered include: the natural history of bacteriocins; killing strategies and applications of microcins; the mode of action of nuclease colicins; the role of the van der Waals zone in the design of a new family of bacteriocins; the use of pyocins in the treatment of infections; the role of streptococccal bacteriocins as oral probiotics; veterinary applications of bacteriocins (nisin) in treating mastitis, and an exploration of the genetics of bacteriocin resistance.This volume is essential reading for everyone involved in antimicrobial research in academia, biotechnology companies, and the pharmaceutical industry and a recommended volume for all microbiology libraries
Bacteriocins And Other Ribosomally Synthesised And Post Translationally Modified Peptides Ripps As Alternatives To Antibiotics
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Author : Harsh Mathur
language : en
Publisher: Frontiers Media SA
Release Date : 2021-08-17
Bacteriocins And Other Ribosomally Synthesised And Post Translationally Modified Peptides Ripps As Alternatives To Antibiotics written by Harsh Mathur 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 2021-08-17 with Science categories.
Prof Upton is the director of Amprologix, a company developing new bacteriocins; the other editors declare no competing interest in regard to editing this Research Topic.