Progress In Research On Energy And Protein Metabolism
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Progress In Research On Energy And Protein Metabolism
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Author : W.B. Souffrant
language : en
Publisher: BRILL
Release Date : 2023-08-28
Progress In Research On Energy And Protein Metabolism written by W.B. Souffrant and has been published by BRILL this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-08-28 with Medical categories.
"This book compiles the scientific content of the International Symposium on Energy & Protein Metabolism and Nutrition, in Rostock-Warnemünde 13th-18th September 2003. Specialists from all over the world working in energy and protein metabolism research were assembled to discuss scientific matters of physiology, nutrition, immunology and genetics. All scientific contributions, presented as oral communications or posters, are published in this book. Additionally to these more than 150 articles and 10 review papers, presented by invited speakers, give an overview of the state of the art in special research areas of energy and protein metabolism. The book presents latest results in topics of energy metabolism such as environmental aspects of energy homeostasis, dietary and genetic aspects as well as tissue, organ and whole body energy metabolism and methodology. Furthermore this compilation also gives insight in current affairs of protein research, i.e. protein metabolism and microbiology in the gastro-intestinal tract and requirements and post-absorptive metabolism of amino acids. Apart from these specific questions other topics concerning genes and nutrition or modelling and regulation of energy and protein status were of common interest. The intention of these proceedings is to disseminate latest perceptions of energy and protein research and with this to attempt the connection of areas in animal and human life sciences."
Energy And Protein Metabolism And Nutrition
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Author : I. Ortigues-Marty
language : en
Publisher: BRILL
Release Date : 2023-08-28
Energy And Protein Metabolism And Nutrition written by I. Ortigues-Marty and has been published by BRILL this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-08-28 with Technology & Engineering categories.
"This book is the result of the 2nd International Symposium on Energy and Protein Metabolism and Nutrition. It presents the latest results on energy and protein metabolism and nutrition. It is oriented towards livestock science but also addresses general aspects of protein and energy metabolism as applied to animals or biomedical sciences. The book is based around the following five key topics: * Nutrition and mitochondrial functions * Regulation of body composition and/or product quality by tissue metabolism * ""Omics"" in metabolism and nutrition studies * Coordination between tissues for the metabolic utilisation of nutrients * From the parts to the whole or how to use detailed information to answer applied questions Widely different approaches ranging from fundamental to integrative approaches are applied to key concepts of nutrition. Fundamental research is translated into practical outcomes through active links with applied research and practical applications. The newest research techniques and methods are also addressed and the outcomes presented provide an integrated view of this topic. The conclusions may eventually be integrated into systems of nutritional recommendations as new nutritional challenges emerge. This book will be of interest to all professionals and researchers who concern themselves with developments in animal and human nutrition."
Energy Metabolism Research Progress Report
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Author :
language : en
Publisher:
Release Date : 1964
Energy Metabolism Research Progress Report written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with categories.
Revision And Analyses Of Assumptions Used In Describing Energy And Protein Metabolism
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Author : Katherine Marie Kennedy
language : en
Publisher:
Release Date : 2014
Revision And Analyses Of Assumptions Used In Describing Energy And Protein Metabolism written by Katherine Marie Kennedy and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.
The use of assumptions lies at the base of every experiment and project conducted, regardless if theoretical, mathematical, or experimental. Those assumptions must be as accurate as possible to ensure the accuracy of the project and/or theory. This thesis revises and analyzes the assumptions used in describing energy and protein metabolism, particularly the ATP values associated with the reducing equivalents that are generated through oxidative phosphorylation and the effect those new values of ATP on a variety of energy producing/consuming metabolic pathways in ruminants and non-ruminants. Much of energetics relies on the electron transport chain and ATP synthase, arguably, the most important structures in mammalian cells as a result of its combined capacity for mass production of ATP through oxidation phosphorylation. Over the decades, progress has been made in the determination of the mechanism of each of the five complexes (NADH-ubiquinone oxidoreductase (Complex I), succinate-ubiquinone oxidoreductase (Complex II), cytochrome bc1 complex (Complex III), cytochrome c oxidase (Complex IV), and ATP synthase (Complex V)) and in the determination of the proton pumping stoichiometry associated with complex I, III, and IV. The finding that bovine heart ATP synthase requires the flow of 8 protons from the intermitochondrial membrane space into the mitochondrial matrix through the ATP synthase to produce 3 ATP is one of the most notable of these discoveries. This information, as well as advances in biochemical research, enables the calculation of the values of ATP associated with the reducing equivalents NADH, flavin adenine dinucleotide (FADH2), and guanosine triphosphate (GTP). Those advances include the identification of the costs of: (1) the malate-aspartate shuttle for transporting protons and electrons into the mitochondria, (2) pyruvate transport into the mitochondria, and (3) counter transport of ATP and GTP out of the mitochondria with the concomitant costs of transporting ADP, GDP, and inorganic phosphorous into the mitochondria. As currently accepted, electron transport results in 10 and 6 protons pumped from the matrix to the intermitochondrial space when the electrons are derived from NADH + H+ and FADH2, respectively. Consequently, when each is coupled to oxidative phosphorylation 2.7 ATP are produced from each NADH + H+ formed in the mitochondria, 2.5 ATP from each NADH + H+ formed in the cytosol, and 1.6 ATP from each mitochondrial FADH2. Mitochondrial GTP formed in the TCA cycle is equivalent to 0.7 ATP when GTP is transported out of the mitochondria. These assumptions were then applied to energetics, including the energy associated with AA oxidation. Other key aspects in working with energetics and protein metabolism include establishing values for the following three assumptions: (1) the average molecular weight (MW) of an AA; (2) the percent nitrogen (%N) content of the protein; and (3) the ATP cost associated with the formation of one peptide bond. Assuming that the average MW of an AA is 110 g/mol for a protein is a reasonable assumption when considering the whole organism, but individual tissues may differ. Additionally, although the assumption that livestock muscle products have a %N value of approximately 16% is reasonable, the determination of the %N content based on the AA analysis of the product is best. For decades, the cost of 5 ATP per peptide bond synthesized has been an underlying assumption; however, this research suggests that the cost of synthesizing a peptide bond is 4.1 ATP. Overall, the efficiency of capturing chemical energy as ATP from oxidative processes is decreased when recent research findings are applied to theoretical calculations in both ruminant and non-ruminant animals.
Energy Metabolism Research Progress Report
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Author : W. P. Flatt
language : en
Publisher:
Release Date : 1964
Energy Metabolism Research Progress Report written by W. P. Flatt and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with Energy metabolism categories.
Protein Metabolism And Nutrition
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Author : Seerp Tamminga
language : en
Publisher:
Release Date : 1977
Protein Metabolism And Nutrition written by Seerp Tamminga and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with Science categories.
Abstract: Since protein is so important in the study of nutrition, a symposium was held to examine aspects of protein metabolism in animals, including protein biosynthesis, absorption and turnover. Rates of synthesis and degradation of proteins, as well as the absorption of amino acids from the gastrointestinal tract of ruminants can now be measured. The contents of digested protein and amino acids in feed rations function as indicators for animal protein synthesis; the level of feed intake affects protein production, especially intakes of nitrogen and energy. Digestibilities of amino acids of different feeds containing crude protein are compared. Calculations of nitrogen requirements for cattle have been determined. Protein utilization is influenced by energy losses during urea formation and excretion, and maximal organic digestion depends on ammonia and pH levels. Long term feeding experiments demonstrated the amounts of protein needed for a given production. Production of animal protein in response to human protein demands are discussed.
Protein Research Progress
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Author : Alan B. Boscoe
language : en
Publisher: Nova Publishers
Release Date : 2008
Protein Research Progress written by Alan B. Boscoe and has been published by Nova Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Proteins categories.
Proteins are large organic compounds made of amino acids arranged in a linear chain and joined together by peptide bonds between the carboxyl and amino groups of adjacent amino acid residues. The sequence of amino acids in a protein is defined by a gene and encoded in the genetic code. Although this genetic code specifies 20 'standard' amino acids, the residues in a protein are often chemically altered in post-translational modification: either before the protein can function in the cell, or as part of control mechanisms. Proteins can also work together to achieve a particular function, and they often associate to form stable complexes. Like other biological macromolecules such as polysaccharides and nucleic acids, proteins are essential parts of organisms and participate in every process within cells. Many proteins are enzymes that catalyse biochemical reactions, and are vital to metabolism. Proteins also have structural or mechanical functions, such as actin and myosin in muscle, and the proteins in the cytoskeleton, which forms a system of scaffolding that maintains cell shape. Other proteins are important in cell signalling, immune responses, cell adhesion, and the cell cycle. Protein is also a necessary part of animals' diets, since they cannot synthesise all the amino acids and must obtain essential amino acids from food. Through the process of digestion, animals break down ingested protein into free amino acids that can be used for protein synthesis. This new book presents the latest research in the field.
Energy And Protein Metabolism And Nutrition
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Author : Jacek Skomiał
language : en
Publisher: Brill Wageningen Academic
Release Date : 2016
Energy And Protein Metabolism And Nutrition written by Jacek Skomiał and has been published by Brill Wageningen Academic this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with Animal feeding categories.
Development in agricultural sciences, particularly in farm animal sciences, resulted in the increased productivity to meet the demand for high quality and relatively cheap protein sources for human nutrition. In parallel, this increased productivity challenges the adequate supply of nutrients, including protein and energy, needed to cover not only high performances, but also insure animal health and welfare, reproduction and quality of products in a sustainable environment. The precise understanding of the animal biology is crucial for animal health and welfare, sustainable animal production, and health of animal product consumers. This book focuses on combining basic and applied research and its practical applications. To achieve these goals, many important topics are presented and discussed in detail. The most important issues in this book are: physiological aspects of protein and energy metabolism and nutrition; animal health and welfare metabolic related issues; effect of feeds and feed processing on energy and protein digestion and metabolism; methodological aspects of research on protein and energy metabolism; environment protection and enhancement of the quality and health-promoting features of animal products. This book constitutes a good source of knowledge for those who like to be up to date with the newest trends and findings in energy and protein metabolism in farm animals.
Substrate And Energy Metabolism In Man
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Author : David Halliday
language : en
Publisher:
Release Date : 1985
Substrate And Energy Metabolism In Man written by David Halliday and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Energy Metabolism categories.
Progress In Anterior Eye Segment Research And Practice
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Author : O. Hockwin
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Progress In Anterior Eye Segment Research And Practice written by O. Hockwin 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 Medical categories.
