Detection And Enumeration Of Bacteria Yeast Viruses And Protozoan In Foods And Freshwater
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Detection and Enumeration of Bacteria, Yeast, Viruses, and Protozoan in Foods and Freshwater
This volume details methods and procedures used to detect and enumerate bacteria in food. Chapters guide readers through food and beverage matrices, techniques used to enumerate bacteria, mixed bacterial strains (naturally present or inoculated), yeast, viruses, protozoan in distinct food matrices, and freshwater. Authoritative and cutting-edge, Detection and Enumeration of Bacteria, Yeast, Viruses, and Protozoan in Foods and Freshwater aims to provide a basic understanding on detection and enumeration of microorganisms in foods.
Bacteriophages, Prophages, and Their Products: Regulating Bacterial Populations
Author: Barbara Maciejewska
language: en
Publisher: Frontiers Media SA
Release Date: 2025-06-18
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
Bad Bug Book
Author: Mark Walderhaug
language: en
Publisher: Createspace Independent Publishing Platform
Release Date: 2014-01-14
The Bad Bug Book 2nd Edition, released in 2012, provides current information about the major known agents that cause foodborne illness.Each chapter in this book is about a pathogen—a bacterium, virus, or parasite—or a natural toxin that can contaminate food and cause illness. The book contains scientific and technical information about the major pathogens that cause these kinds of illnesses.A separate “consumer box” in each chapter provides non-technical information, in everyday language. The boxes describe plainly what can make you sick and, more important, how to prevent it.The information provided in this handbook is abbreviated and general in nature, and is intended for practical use. It is not intended to be a comprehensive scientific or clinical reference.The Bad Bug Book is published by the Center for Food Safety and Applied Nutrition (CFSAN) of the Food and Drug Administration (FDA), U.S. Department of Health and Human Services.