Protein Sensors and Reactive Oxygen Species


Book Description

This volume of Methods in Enzymology is concerned with the rapidly developing field of selenoprotein synthesis and its related molecular genetics. Progressive information on the topics of proteins as redox sensors, selenoproteins, and the thioredoxin system is studied using methods such as bioinformatics, DNA chip technology, cell biology, molecular genetics, and enzymology. The information on novel selenoproteins identified from genomic sequence data, as well as current knowledge on glutathione peroxidases, selenoprotein P, iodothyronine deiodinases, and thioredoxin reductases, is presented in a method-based approach.




Nutrition and Epigenetics


Book Description

Nutrition and Epigenetics presents new information on the action of diet and nutritional determinants in regulating the epigenetic control of gene expression in health and disease. Each chapter gives a unique perspective on a different nutritional or dietary component or group of components, and reveals novel mechanisms by which dietary factors mod




Introduction to Epigenetics


Book Description

This open access textbook leads the reader from basic concepts of chromatin structure and function and RNA mechanisms to the understanding of epigenetics, imprinting, regeneration and reprogramming. The textbook treats epigenetic phenomena in animals, as well as plants. Written by four internationally known experts and senior lecturers in this field, it provides a valuable tool for Master- and PhD- students who need to comprehend the principles of epigenetics, or wish to gain a deeper knowledge in this field. After reading this book, the student will: Have an understanding of the basic toolbox of epigenetic regulation Know how genetic and epigenetic information layers are interconnected Be able to explain complex epigenetic phenomena by understanding the structures and principles of the underlying molecular mechanisms Understand how misregulated epigenetic mechanisms can lead to disease




Prokaryotic Metabolism and Physiology


Book Description

Extensive and up-to-date review of key metabolic processes in bacteria and archaea and how metabolism is regulated under various conditions.




S-adenosylmethionine-dependent Methyltransferases: Structures And Functions


Book Description

This invaluable volume, written by an international group of scientists, presents an overview of the AdoMet-dependent methyltransferases, with special emphasis on structure-function relationships.S-adenosyl-L-methionine (AdoMet) is the second most commonly used enzyme cofactor after ATP. The AdoMet-dependent methyltransferases act on a wide variety of target molecules, including DNA, RNA, protein, polysaccharides, lipids and a range of small molecules.The well-conserved architecture of these enzymes, and the implications of this conservation for their evolutionary history, are major themes of this book. The thirteen chapters describe in detail the structures, enzyme kinetics and biological roles of the AdoMet-dependent methyltransferases from a wide range of cell types: plant, animal, bacterial and archaeal.




Nutritional Epigenomics


Book Description

Nutritional Epigenomics, Second Edition, a volume in the Translational Epigenetics, offers a comprehensive overview of nutritional epigenomics as a mode of study, along with nutrition's role in the epigenomic regulation of disease, health, and developmental processes. Here, an expert team of international contributors introduces readers to nutritional epigenomic regulators of gene expression, our diet's role in epigenomic regulation of disease and disease inheritance, caloric restriction and exercise as they relate to recent epigenomic findings, and the influence of nutritional epigenomics over circadian rhythms, aging and longevity, and fetal health and development, among other processes. Disease specific chapters address metabolic disease (obesity and diabetes), cancer, and neurodegeneration, among other disorders. Diet-gut microbiome interactions in the epigenomic regulation of disease are also discussed, as is the role of micronutrients and milk miRNAs in epigenetic regulation. Finally, chapter authors examine ongoing discussions of race and ethnicity in the social-epigenomic regulation of health and disease. This new edition has been fully updated to reflect current research in the field. All-new and revised chapters consider the social and physical environments associated with DNA methylation, the relationship between nutritional epigenomics and inflammation, chromatin modifications and non-coding RNAs, as well as the epigenetic influence of food bioactives in metabolic disease and cancer, empowering researchers to employ nutritional epigenomics approaches in new, field-driving studies and applications. - Empowers researchers and clinicians to employ nutritional epigenomics approaches in their own research and practice - Offers a full grounding in epigenetic reprogramming and nutritional intervention in the treatment and prevention of disease, as informed by population-based studies - Concludes with clinical recommendations and practical applications related to nutrition and lifestyle choices - Fully considers recent advances in the field, including new research into chromatin modifications, non-coding RNAs, and fiber regulation of the microbiome and human health - Features chapter contributions from international leaders in the field




Bacterial Physiology and Metabolism


Book Description

Recent determination of genome sequences for a wide range of bacteria has made in-depth knowledge of prokaryotic metabolic function essential in order to give biochemical, physiological, and ecological meaning to the genomic information. Clearly describing the important metabolic processes that occur in prokaryotes under different conditions and in different environments, this advanced text provides an overview of the key cellular processes that determine bacterial roles in the environment, biotechnology, and human health. Prokaryotic structure is described as well as the means by which nutrients are transported into cells across membranes. Glucose metabolism through glycolysis and the TCA cycle are discussed, as well as other trophic variations found in prokaryotes, including the use of organic compounds, anaerobic fermentation, anaerobic respiratory processes, and photosynthesis. The regulation of metabolism through control of gene expression and control of the activity of enzymes is also covered, as well as survival mechanisms used under starvation conditions.




Homocysteine and Vascular Disease


Book Description

This state-of-the-art review provides an in-depth and critical summary of homocysteine from its molecular basis to clinical relevance and current clinical trials of folic acid and vitamin B6. Written by leading workers in the field, the book provides an authoritative, comprehensive and thoroughly up-to-date overview for scientists and clinicians and any others engaged in the field. It will also be useful to anyone involved in managing vascular patients or cardiac risk factors, as well as biochemists, pharmacologists, general physicians, cardiologists and clinical and basic researchers with an interest in preventive medicine.




Molecular Basis of Nutrition and Aging


Book Description

Molecular Basis of Nutrition and Aging: A Volume in the Molecular Nutrition Series focuses on the nutritional issues associated with aging and the important metabolic consequences of diet, nutrition, and health. The book is subdivided into four parts that reflect the impact of nutrition from a biomolecular level to individual health. In Part One, chapters explore the general aspects of aging, aging phenotypes, and relevant aspects of nutrition related to the elderly and healthy aging. Part Two includes molecular and cellular targets of nutrition in aging, with chapters exploring lipid peroxidation, inflammaging, anabolic and catabolic signaling, epigenetics, DNA damage and repair, redox homeostasis, and insulin sensitivity, among others. Part Three looks at system-level and organ targets of nutrition in aging, including a variety of tissues, systems, and diseases, such as immune function, the cardiovascular system, the brain and dementia, muscle, bone, lung, and many others. Finally, Part Four focuses on the health effects of specific dietary compounds and dietary interventions in aging, including vitamin D, retinol, curcumin, folate, iron, potassium, calcium, magnesium, zinc, copper, selenium, iodine, vitamin B, fish oil, vitamin E, resveratrol, polyphenols, vegetables, and fruit, as well as the current nutritional recommendations. - Offers updated information and a perspectives on important future developments to different professionals involved in the basic and clinical research on all major nutritional aspects of aging - Explores how nutritional factors are involved in the pathogenesis of aging across body systems - Investigates the molecular and genetic basis of aging and cellular senescence through the lens of the rapidly evolving field of molecular nutrition




Epigenetic Biomarkers and Diagnostics


Book Description

Epigenetic Biomarkers and Diagnostics comprises 31 chapters contributed by leading active researchers in basic and clinical epigenetics. The book begins with the basis of epigenetic mechanisms and descriptions of epigenetic biomarkers that can be used in clinical diagnostics and prognostics. It goes on to discuss classical methods and next generation sequencing-based technologies to discover and analyze epigenetic biomarkers. The book concludes with an account of DNA methylation, post-translational modifications and noncoding RNAs as the most promising biomarkers for cancer (i.e. breast, lung, colon, etc.), metabolic disorders (i.e. diabetes and obesity), autoimmune diseases, infertility, allergy, infectious diseases, and neurological disorders. The book describes the challenging aspects of research in epigenetics, and current findings regarding new epigenetic elements and modifiers, providing guidance for researchers interested in the most advanced technologies and tested biomarkers to be used in the clinical diagnosis or prognosis of disease. - Focuses on recent progress in several areas of epigenetics, general concepts regarding epigenetics, and the future prospects of this discipline in clinical diagnostics and prognostics - Describes the importance of the quality of samples and clinical associated data, and also the ethical issues for epigenetic diagnostics - Discusses the advances in epigenomics technologies, including next-generation sequencing based tools and applications - Expounds on the utility of epigenetic biomarkers for diagnosis and prognosis of several diseases, highlighting the study of these biomarkers in cancer, cardiovascular and metabolic diseases, infertility, and infectious diseases - Includes a special section that discusses the relevance of biobanks in the maintenance of high quality biosamples and clinical-associated data, and the relevance of the ethical aspects in epigenetic studies