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Books > Science & Mathematics > Biology, life sciences > Microbiology (non-medical) > General
This new edition captures the advances made in the field of evolutionary systems biology since the publication of the first edition. The first edition focused on laying the foundations of evolutionary systems biology as an interdisciplinary field, where a way of thinking and asking questions is combined with a wide variety of tools, both experimental and theoretical/computational. Since publication of the first edition, evolutionary systems biology is now a well-known term describing this growing field. The new edition provides an overview of the current status and future developments of this interdisciplinary field. Chapters highlight several key achievements from the last decade and outline exciting new developments, including an understanding of the interplay between complexity and predictability in evolutionary systems, new viewpoints and methods to study organisms in evolving populations at the level of the genome, gene regulatory network, and metabolic network, and better analysis and modeling techniques that will open new avenues of scientific inquiry.
This book is a compilation of the latest achievements of leading researchers in marine natural products with extremely diverse structures and biological activities. It presents discussions of isolation, structure elucidation, biosynthesis, total synthesis, and biochemical properties of the compounds with characteristic structures such as macrolides, cyclic depsipeptides, alkaloids, and water-soluble heterocyclic low-molecular-weight compounds, from sponges, bacteria, cyanobacteria, flagellates, and other such organisms. The book especially focuses on heterocyclic natural products as a title in the book series, Topics in Heterocyclic Chemistry.
Several fundamental advances were announced at the Seventh International Symposium on Molecular Plant--Microbe Interactions held in Edinburgh in 1994. These included the cloning and identification of plant resistance genes involved in recognition of pathogens; the description of genetically engineered plants with novel resistance to pathogens; characterization of the molecular basis of pathogenicity of fungal and bacterial plant pathogens; and the mechanisms of communication used during recognition between symbiotic rhizobia and their host legumes. Participants in the Symposium contributed a series of papers that represent the leading edge of research in this important area of plant and microbial science. These articles are brought together to form this book, which will be essential reading for research workers, advanced students and others interested in keeping abreast of this rapidly developing area.
Statistical Aspects of the Microbiological Examination of Foods, Third Edition, updates some important statistical procedures following intensive collaborative work by many experts in microbiology and statistics, and corrects typographic and other errors present in the previous edition. Following a brief introduction to the subject, basic statistical concepts and procedures are described including both theoretical and actual frequency distributions that are associated with the occurrence of microorganisms in foods. This leads into a discussion of the methods for examination of foods and the sources of statistical and practical errors associated with the methods. Such errors are important in understanding the principles of measurement uncertainty as applied to microbiological data and the approaches to determination of uncertainty. The ways in which the concept of statistical process control developed many years ago to improve commercial manufacturing processes can be applied to microbiological examination in the laboratory. This is important in ensuring that laboratory results reflect, as precisely as possible, the microbiological status of manufactured products through the concept and practice of laboratory accreditation and proficiency testing. The use of properly validated standard methods of testing and the verification of 'in house' methods against internationally validated methods is of increasing importance in ensuring that laboratory results are meaningful in relation to development of and compliance with established microbiological criteria for foods. The final chapter of the book reviews the uses of such criteria in relation to the development of and compliance with food safety objectives. Throughout the book the theoretical concepts are illustrated in worked examples using real data obtained in the examination of foods and in research studies concerned with food safety.
Plants and animals have evolved ever since their appearance in a largely microbial world. Their own cells are less numerous than the microorganisms that they host and with whom they interact closely. The study of these interactions, termed microbial symbioses, has benefited from the development of new conceptual and technical tools. We are gaining an increasing understanding of the functioning, evolution and central importance of symbiosis in the biosphere. Since the origin of eukaryotic cells, microscopic organisms of our planet have integrated our very existence into their ways of life. The interaction between host and symbiont brings into question the notion of the individual and the traditional representation of the evolution of species, and the manipulation of symbioses facilitates fascinating new perspectives in biotechnology and health. Recent discoveries show that association is one of the main properties of organisms, making a more integrated view of biology necessary. Microbial Symbioses provides a deliberately "symbiocentric" outlook, to exhibit how the exploration of microbial symbioses enriches our understanding of life, and the potential future for this discipline.
The depletion of fossil fuel reserves and concerns for environmental degradation due to the fossil fuel burning have led the scientific community to look for alternative renewable energy sources. Among the available renewable energy sources, bioenergy derived from biomass and waste resources have great potential to not only prevent environmental pollution but also be a carbon neutral energy source. In addition, adaptation of this technology could streamline new green products, alternative energy sources into real-world applications and promote a circular economy towards zero-waste approach. This book tries to bridge the existing knowledge gap in the area of bioenergy resources. The first two chapters provide introduction to the anaerobic digestion (AD) technologies and direct interspecies electron transfer in AD. The next three chapters are on biomass pretreatment technologies for process improvement. The sixth to eighth chapter discuses biogas and other by-product production from specific wastes such from dairy, food and agricultural solid waste. The following two chapters focuses on the downstream processing of anaerobic digestate and on biochar production. Integration of AD in biorefineries using bioelectrochemical systems, syngas fermentation and electricity production are discussed in the next three chapters. The final two chapters elaborates on life cycle assessment of AD based technologies.
The ongoing global climate change triggered by greenhouse gas growth has had a significant effect on the microbial dynamics of plants and soils. This volume explores the various microbial responses of plants and soils caused directly or indirectly by climate change resulting from rising greenhouse gases and other factors. The book considers the rapidly changing environment and the important role of microbiomes in restoring soil and plant health and in creating sustainable approaches. It discusses the adaptation and mitigation of plants and soils, specifically addressing such topics as biogeochemical processes, antimicrobial resistance, the dynamics of bacteria and fungus in extreme environments, bacterial siderophores for sustainability, and more. The volume also looks at edaphic and regeneration performance of tree species in the temperate forests.
This volume reviews various facets of Agrobacterium biology, from modern aspects of taxonomy and bacterial ecology to pathogenesis, bacterial cell biology, plant and fungal transformation, natural transgenics, and biotechnology. Agrobacterium-mediated transformation is the most extensively utilized platform for generating transgenic plants, but modern biotechnology applications derive from more than 40 years of intensive basic scientific research. Many of the biological principles established by this research have served as models for other bacteria, including human and animal pathogens. Written by leading experts and highlighting recent advances, this volume serves both as an introduction to Agrobacterium biology for students as well as a more comprehensive text for research scientists.
The purpose of this and future volumes of the Handbook of Genetics is to bring together a collection of relatively short, authoritative essays or annotated compilations of data on topics of significance to geneticists. Many of the essays will deal with various aspects of the biology of certain species selected because they are favorite subjects for genetic investigation in nature or the laboratory. Often there will be an encyclopedic amount of information available on such a species, with new papers appearing daily. Most of these will be written for specialists in a jargon that is be wildering to a novice, and sometimes even to a veteran geneticist working with evolutionarily distant organisms. For such readers what is needed is a written introduction to the morphology, life cycle, reproductive be havior, and culture methods for the species in question. What are its par ticular advantages (and disadvantages) for genetic study, and what have we learned from it? Where are the classic papers, the key bibliographies, and how does one get stocks of wild type or mutant strains? The chapters devoted to different species will contain information of this sort. Only a few hundreds of the millions of species available to biologists have been subjected to detailed genetic study. However, those that have make up a very heterogeneous sample of the living world."
This book addresses the basic understanding of food contaminants and their sources, followed by the techniques to measure food safety and quality. It is divided into four parts: Part A - sources of contaminants in foods, their associated health risks, and integrated management and alternative options to minimize contaminants; Part B - Technological assessment of conventional methods and selected advanced methods for the detection, identification and enumeration of microbial contaminates; Part C - Technological assessment of different chemical measurements techniques; and Part D - Technological assessment of different instrumental techniques to assess sensory properties of foods. Food safety is a growing concern due to the increase in food-borne illnesses caused by food adulteration, excessive use of pesticides, use of chemical preservatives and artificial fruit ripening agents, microbial contaminations, and improper food handling. Chemical contaminants in food could be transferred from environmental or agrochemical sources, personal care products, and other by-products of water disinfects. In addition, microbial food safety can be threatened due to the presence of many pathogens, such as Salmonella, Escherichia coli, Clostridium botulinum, Staphylococcus aureus, and Listeria monocytogenes in foods. Globally, strict regulations are imposed to limit the potential contaminants in foods. Development of accurate, rapid, and inexpensive approaches to test food contamination and adulteration would be highly valued to ensure global food safety. There are existing processes to ensure safety of food products from chemical and microbial contaminants. Apart from the existing measurement technologies, varieties of new techniques are also being emerged and these could be potential to ensure food safety and quality. In addition to chemical and microbial properties, sensory properties such as texture, mouth feel, flavor, and taste, are among the most important attributes of food products to ensure their acceptability by consumers. Two approaches are available to evaluate sensory properties of food products, namely subjective and objective analyses. The responses are perceived by all five senses: smell, taste, sight, touch, and hearing. The approach used in sensory evaluation varies depending on the types of foods and the ultimate goal of the testing. Sensory attributes are the most important quality parameters after ensuring the safety of foods.
Examines each of these parameters in crucial depth and makes the argument that life forms we would recognize may be more common in our solar system than many assume. Considers exotic forms of life that would not have to rely on carbon as the basic chemical element, solar energy as the main energy source, or water as the primary solvent and the question of detecting bio- and geosignatures of such life forms, ranging from earth environments to deep space. Seeks an operational definition of life and investigate the realm of possibilities that nature offers to realize this very special state of matter. Avoids scientific jargon wherever possible to make this intrinsically interdisciplinary subject understandable to a broad range of readers.
This volume provides basic insight and protocols relating to endophytic microbes. Chapter are divided into five major sections detailing basic isolation, bioactive metabolites production. endophytism, isolation and identification of endophytes, bioactive potentials, and screening of metabolites. Authoritative and cutting-edge, Endophytic Microbes: Isolation, Identification, and Bioactive Potentials aims to provide comprehensive and accessible methods to undergraduate, graduate, and established scientist.
Regulatory networks enable bacteria to adapt to almost every environmental niche on Earth. Regulation is achieved by a network of interactions among diverse types of molecules, including DNA, RNA, proteins, and metabolites. The primary role of regulatory networks in bacteria is to control the response to environmental changes, such as nutritional status and environmental stress. A complex organization of networks allows the organism to coordinate and integrate multiple environmental signals. This book contains authoritative, up-to-date reviews of the current research and theories on regulatory networks in bacteria. The book includes critical reviews written by the leading research scientists in this topical field. The contributors fully explore various regulatory networks, discuss variations of common themes, and provide fresh insights into bacterial regulatory mechanisms. Topics include: the sigma network in Escherichia coli * the control of bacterial virulence * ECF sigma factors * quorum sensing * cyclic di-GMP * RNA-mediated regulation * the H-NS regulator * two-component regulatory systems * bacterial chemotaxis * the regulation of iron homeostasis * anaerobic regulatory networks * bacterial bistable regulatory networks * the evolution of transcription factors and regulatory networks. This book will be essential reading for everyone interested in gene expression and the regulation in bacteria. It is a recommended text for all microbiology libraries.
Given the at times confusing new information concerning the human microbiome released over the last few years, this book seeks to put the research field into perspective for non-specialists. Addressing a timely topic, it breaks down recent research developments in a way that everyone with a scientific background can understand. The book discusses why microorganisms are vital to our lives and how our nutrition influences the interaction with our own gut bacteria. In turn, it goes into more detail on how microbial communities are organised and why they are able to survive in the unique environment of our intestines. Readers will also learn about how their personal microbial profile is as unique as their fingerprint, and how it can be affected by a healthy or unhealthy lifestyle. Thanks to the open and easy-to-follow language used, the book offers an overview for all readers with a basic understanding of biology, and sheds new light on this fascinating and important part of our bodies.
Horizontal gene transfer is a major driving force in the evolution of many bacterial pathogens. The development of high-throughput sequencing tools and more sophisticated genomic and proteomic techniques in recent years has resulted in a better understanding of this phenomenon. Written by leading experts in the field, this edited volume is aimed at graduate students and researchers and provides an overview of current knowledge relating to the evolution of microbial pathogenicity. This volume provides an overview of the mechanisms and biological consequences of the genome rearrangements resulting from horizontal gene transfer, in both prokaryotes and eukaryotes, as well as overviews of the key mobile genetic elements involved. Subsequent chapters focus on paradigms for the evolution of important bacterial pathogens, including Salmonella enterica, Streptococcus pneumoniae, and Staphylococcus aureus. The influence of socioeconomic parameters in the dissemination of transferable elements, such as antibiotic resistant genes in bacteria, is also discussed.
This detailed volume introduces different methods to assess the structure and folding of bacterial amyloids and analyze their functions, either in vitro or in vivo. Despite their initial association with neurodegenerative diseases, there is now increasing evidence of alternative roles for amyloids, with beneficial aspects for cells. In particular, prokaryotes use amyloids as functional assemblies, where they are key players in the cell's physiology. Written for the highly successful Methods in Molecular Biology series, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and tips on troubleshooting and avoiding known pitfalls. Authoritative and up-to-date, Bacterial Amyloids: Methods and Protocols is an ideal guide for experts and novices alike to further explore these crucial protein assemblies.
This book series focuses on current progress in the broad field of medical microbiology, and covers both basic and applied topics related to the study of microbes, their interactions with human and animals, and emerging issues relevant for public health. Original research and review articles present and discuss multidisciplinary findings and developments on various aspects of microbiology, infectious diseases, and their diagnosis, treatment and prevention.
This book reviews applications of nanomaterial and nanodevices in the food industry. It also discusses the advanced bioanalytical techniques, including Enzyme-Linked Immunosorbent Assay (ELISA), immunoanalytical techniques, monoclonal antibody-based immunological techniques for detecting food adulterations and allergens. It comprehensively covers electrode modification and nano-engineered fabrication of biosensors to enhance their functionalities for utilization in food industries. The book highlights the utilization of nanobiosensors for food safety and quality analysis, such as detection of toxin, food-borne pathogen, allergen, and evaluation of toxicity. Further, it also summarizes the recent advances in nanodevices such as nano-systems, nano-emulsions, nanopesticide, nanocapsule and their applications in the food industry. Lastly, it covers nanomaterial-based sensors for drug analysis in diverse matrices. It serves as an invaluable source of information for professionals, researchers, academicians, and students related to food science and technology.
Many Microorganisms and some macro-organisms can live under extreme conditions. For example, high and low temperature, acidic and alkaline conditions, high salt areas, high pressure, toxic compounds, high level of ionizing radiation, anoxia and absence of light, etc. Many organisms inhabit environments characterized by more than one form of stress (Polyextremophiles). Among them are those who live in hypersaline and alkaline, hot and acidic, cold/hot and high hydrostatic pressure, etc. Polyextremophiles found in desert regions have to copy with intense UV irradiation and desiccation, high as well as low temperatures, and low availability of water and nutrients. This book provides novel results of application to polyextremophiles research ranging from nanotechnology to synthetic biology to the origin of life and beyond.
This book focuses on the application of microorganisms in various aspects of life such as plant protection and improvement, environmental remediation, and the improvement of plant & human health. Various applications of microorganisms are examined in depth, e.g. applied microbiology in agriculture, microbes in the environment, the development of new microbial enzymes, and microbes in human health. In turn, the book shares insights into the diverse microorganisms that have been explored and exploited in the development of various applications for agricultural improvements. It also discusses the detection and exploitation of microorganisms in the diagnosis of human diseases, which offer potential holistic approaches to health. Presenting the latest information and findings on the applications of microbial biotechnology, the book offers a valuable resource.
Predictive microbiology primarily deals with the quantitative assessment of microbial responses at a macroscopic or microscopic level, but also involves the estimation of how likely an individual or population is to be exposed to a microbial hazard. This book provides an overview of the major literature in the area of predictive microbiology, with a special focus on food. The authors tackle issues related to modeling approaches and their applications in both microbial spoilage and safety. Food spoilage is presented through applications of best-before-date determination and commercial sterility. Food safety is presented through applications of risk-based safety management. The different modeling aspects are introduced through probabilistic and stochastic approaches, including model and data uncertainty, but also biological variability.
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
Seaweed Sustainability: Food and Non-Food Applications is the only evidence-based resource that offers an abundance of information on the applications of seaweed as a solution to meet an increasing global demand for sustainable food source. The book uncovers seaweed potential and describes the various sources of seaweed, the role of seaweeds as a sustainable source for human food and animal feeds, and the role of seaweed farming for sustainability. In addition to harvesting and processing information, the book discusses the benefits of seaweed in human nutrition and its nutraceutical properties.
Molecular Microbial Diagnostic Methods: Pathways to Implementation for the Food and Water Industry was developed by recognized and experienced highlevel scientists. It's a comprehensive and detailed reference that uncovers industry needs for the use of molecular methods by providing a brief history of water and food analysis for the pathogens of concern. It also describes the potential impact of current and cutting-edge molecular methods. This book discusses the advantages of the implementation of molecular methods, describes information on when and how to use specific methods, and presents why one should utilize them for pathogen detection in the routine laboratory. The content is also pertinent for anyone carrying out microbiological analysis at the research level, and for scientists developing methods, as it focuses on the requirements of end-users. |
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