Metabolism And Bacterial Pathogenesis

Groundbreaking thinking on how bacterial metabolism is foundational to pathogenesis For too long, bacterial metabolism and bacterial pathogenesis have been studied as separate entities. However, the scientific community is beginning to realize that not only are bacterial nutrient acquisition and utilization essential for pathogenesis, but that interfering with the pathogen-specific metabolic pathways used during infection can regulate virulence factor expression and might lead to effective breakthroughs in a variety of treatments. Editors Paul Cohen and Tyrrell Conway, who pioneered the use of metabolic mutants in competitive colonization assays, an approach now widely used to investigate the nutrition of pathogens in vivo, are uniquely qualified to advance our knowledge of this integrative field of research. They convened a group of contributors who are breaking new ground in understanding how bacterial metabolism is foundational to pathogenesis to share their expert perspectives and outlook for the future. Beginning with overviews, Metabolism and Bacterial Pathogenesis covers a wide range of diseases and both Gram-positive and -negative bacteria that serve as model systems for in vitro and in vivo investigations intracellular, respiratory, and enteric pathogens pathogen-specific nutrient acquisition in hosts mechanisms of host-driven metabolic adaptation by pathogens metabolic regulation of virulence gene expression Useful for specialists in bacterial pathogenesis and specialists in metabolism as well as molecular biologists, physicians, veterinarians, dentists, graduate and undergraduate students, and laboratory technicians, Metabolism and Bacterial Pathogenesis is also essential reading for scientists studying the microbiome.

Pathogens adapt their metabolism rapidly to the host. Our topic covers these phenomenon regarding extracellular and intracellular pathogens as well as general methods to elucidate different metabolic adaptation processes - an essential guide for any scientist wanting to keep abreast of recent developments in infection biology.

Microbiome Metabolic Pathways and Disease provides insight into the interaction of microbial metabolic pathways in the human body and the impact these can have on a variety of diseases. By analyzing these pathways the book seeks to investigate how these metabolic processes can be targeted and manipulated in order to treat various disorders and diseases. Topics covered in the book include microbial shikimate pathways, protein biosynthesis, tryptophan metabolites, microbiome metabolic engineering, fecal microbiota transplantation, and virulence factors. Additionally, a variety of conditions are covered, such as disorders associated with metabolic syndromes, serotonin syndromes, Alzheimer’s disease, and Covid-19, providing a detailed overview of how metabolic pathways of microbiome can impact health and disease in the human body. Explores microbial metabolic pathways in the human body and implications for disease Investigates specific steps involved in metabolic reactions in the human microbiome, including shikimate pathways and tryptophan pathways Considers a variety of diseases and disorders, such as Alzheimer’s disease, metabolic syndromes, Crohn’s disease and Covid-19 Includes analysis of various amino acids and enzymes in microbial and human cells and how these can impact health

This machine-generated literature overview provides a comprehensive and up-to-date summary of research on the role of bacterial metabolism in the pathogenesis of bacterial infections. It examines various aspects of bacterial metabolism, including metabolic pathways, nutrient acquisition activities, metabolic adaptation, virulence factors, antibiotic resistance, omics approaches, metabolic engineering, and therapeutic approaches. It is intended for students, researchers, and practitioners in the fields of microbiology, infectious disease, and biomedicine. The auto-summaries have been generated by a recursive clustering algorithm via the Dimensions Auto-summarizer by Digital Science handled by Subject Matter Experts and the external editor. The editor of this book selected which SN content should be auto-summarized and decided its order of appearance. Please be aware that the auto-summaries consist of original sentences, but are not representative of its original paper, since we do not show the full length of the publication. Please note that only published SN content is represented here, and that machine-generated books are still at an experimental stage.

I am particularly indebted to Joan Macy, Lynne Quandt, Jan Andreesen and Peter Hillmer for reading the manuscript, for their criticisms and their suggestions, and I thank Ute Gnass for typing the manuscript and for her invaluable help with the indexing and with the preparation of the figures. Finally, I am grateful to the publishers for their patience, willing help, and cooperation. G6ttingen, 1978 GERHARD GOTTSCHALK Contents CHAPTER I Nutrition of Bacteria I. Major and Minor Bioelements I II. The Two Basic Mechanisms of ATP Synthesis 4 III. Nutrients as Energy Sources 6 IV. Growth Factor Requirements of Bacteria 9 V. Summary 10 CHAPTER 2 How Escherichia coli Synthesizes ATP during Aerobic Growth on Glucose I. Transport of D-Glucose into the E. coli Cell 13 II. Degradation of Glucose-6-Phosphate to Pyruvate via the Embden-Meyerhof- Parnas (EMP) Pathway 15 III. Oxidative Decarboxylation of Pyruvate to Acetyl-Coenzyme A 18 IV. Oxidation of Acetyl-CoA via the Tricarboxylic Acid Cycle 20 V. The Formation of ATP in the Respiratory Chain 22 VI. Summary 35 CHAPTER 3 Biosynthesis of Escherichia coli Cells from Glucose I. Composition of E. coli Cells 38 II. Assimilation of Ammonia 40 Ill. Assimilatory Reduction of Sulfate 42 IV. Biosynthesis of Amino Acids 43 V. How Pentose Phosphates and NADPH are Formed 55 xii Contents VI. Ribonucleotides and Deoxyribonucleotides 59 VII. Biosynthesis of Lipids 65 VIII. Formation of Carbohydrates 71 IX. Synthesis of Polymers 73 X. The Requirement for an Anaplerotic Sequence 92 XI.

The book compiles the latest studies on microorganisms thriving in extreme conditions. Microbes have been found in extremely high and low temperatures, highly acidic to saline conditions, from deserts to the Dead sea, from hot-springs to underwater hydrothermal vents- the diversity is incredible. The various chapters highlight the microbial life and describe the mechanisms of tolerance to these harsh conditions, and show how an understanding of these phenomena can help us exploit the microbes in biotechnology. The theme of the book is highly significant since life in these environments can give vital clues about the origin and evolution of life on earth, as a lot of these conditions simulate the environment present billions of years ago. Additionally, the study of adaptation and survival of organisms in such environments can be important for finding life on other planets. This book shall be useful for students, researchers and course instructors interested in evolution, microbial adaptations and ecology in varied environments.

This book has been written for students who are taking a course in bacterial metabolism. I hope, however, that scholars will also find it useful either as a help in teaching bacterial metabolism or as a review on the special aspects of metabolism in bacteria. The concept of this book results from my experience in teaching bacterial metabolism. In the first chapters the principal reactions of the energy and biosynthetic metabolism have been discussed using Escherichia coli as a model organism. Then the diversity of aerobic metabolism has been out lined. Following a brief description of the regulation of the level and the activity of enzymes in bacteria the characteristic features of fermentative, chemolithotrophic and phototrophic metabolism have been discussed. Finally, the last chapter has been devoted to nitrogen fixation. Throughout the text I have tried not only to describe metabolic pathways and enzyme reactions but also to elucidate the physiology of the microorganisms which carry out all these metabolic reactions. Two comments regarding the formulas used in this book are necessary.