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Books in Life sciences

  • Nutrition of Grazing Ruminants in Warm Climates

    • 1st Edition
    • English
    @from:From the PrefaceThe objective of this book is to review the basic knowledge and methodology of feeding grazing ruminants in tropical and semitropical countries. It is hoped this information will be of use to farmers, research specialists, teachers, students, extension specialists, feed manufacturers, and others throughout the world concerned with the nutrition of grazing ruminants. A unique feature is the identification of nutritional limitations of grazing ruminants in the tropics, which will be beneficial for increasing animal production efficiency through the application of improved nutrition. A large number of photographs illustrate nutritional deficiencies and conditions in tropical countries.This book contains 18 chapters concerned with the nutrition of grazing ruminants. The first chapter deals with the contributions, locations, and various types of ruminants and their importance to human welfare in the tropics and subtropics. Chapters 2 - 4 progress through nutrient requirements of grazing ruminants in warm climates, the effects of tropical heat on these requirements, and water requirements for ruminant species. Chapters 5 - 7 discuss grass and legume forage species suitable for tropical regions, pasture management procedures, and energy-protein supplementation programs needed during the extensive dry periods. The importance of tropical forages and soils toward meeting mineral requirements is discussed in Chapter 8. Chapters 9 -14 contain concise, up-to-date summaries of minerals emphasizing mineral status, incidence of mineral deficiencies and excesses in tropical regions, and benefits and methods of mineral supplementation for grazing ruminants are discussed in Chapters 15 - 17. Chapter 18 reviews vitamin nutrition considerations for ruminants consuming tropical forages.

  • The Initiation of DNA Replication

    • 1st Edition
    • Dan S Ray
    • English
    The Initiation of DNA Replication contains the proceedings of the 1981 ICN-UCLA Symposia on Structure and DNA-Protein Interactions of Replication Origins, held in Salt Lake City, Utah on March 8-13, 1981. The papers explore the initiation of DNA replication and address relevant topics such as whether there are specific protein recognition sites within an origin; how many proteins interact at an origin and whether they interact in a specific temporal sequence; or whether origins can be subdivided into distinct functional domains. The specific biochemical steps in DNA chain initiation and how they are catalyzed are also discussed. This book is organized into six sections and comprised of 41 chapters. The discussion begins by analyzing the replication origin region of the Escherichia coli chromosome and the precise location of the region carrying autonomous replicating function. A genetic map of the replication and incompatibility regions of the resistance plasmids R100 and R1 is described, and several gene products produced in vivo or in vitro from the replication region are considered. The sections that follow focus on the DNA initiation determinants of bacteriophage M13 and of chimeric derivatives carrying foreign replication determinants; suppressor loci in E. coli; and enzymes and proteins involved in initiation of phage and bacterial chromosomes. The final chapters examine the origins of eukaryotic replication. This book will be of interest to scientists, students, and researchers in fields ranging from microbiology and molecular biology to biochemistry, molecular genetics, and physiology.

  • Thirty Years of Progress in Mitochondrial Bioenergetics and Molecular Biology

    • 1st Edition
    • F. Palmieri + 3 more
    • English
    The topics contained in this book represent timely and currently exciting areas of research focused on mitochondria. It forms a comprehensive and up-to-date record of present knowledge at the molecular level of many important mitochondrial processes. Major achievements as well as new openings in the field have been stressed in many of the contributions to the book. Thus, it represents a valuable source and reference book, comprising the most recent results in this area. The topics treated should attract the attention of scientists from various fields, who are interested in bioenergetics, molecular biology and pathology of mitochondria.

  • The Bone and Mineral Manual

    A Practical Guide
    • 1st Edition
    • Michael Kleerekoper + 2 more
    • English
    The Bone and Mineral Manual incorporates the most up-to-date laboratory methods, techniques, and approaches for designing strategies and investigating the pathophysiology of bone and mineral metabolism. It presents information in a succinct format that allows practitioners to find the answers they need quickly and easily--even while the patient encouter is still in progress. This practical guide will become a frequent companion of endocriniologists, bone and mineral specialists, and nephrologists.

  • The Bacteria

    Molecular Basis of Bacterial Pathogenesis
    • 1st Edition
    • Bozzano G Luisa
    • English
    The reviews in this volume deal with questions of the mechanisms of pathogenesis and with organisms that have only recently been extensively studied on the molecular level.**The introductory section presents an overview of pathogenesis, emphasizing common elements and genetic mechanisms of regulation and a review on the population genetics of bacterial pathogenesis. The second section deals with the regulation of synthesis of surface components and their role in the colonization of the host and/or of the host immune systems. The third section covers the invasion and intracellular growth of facultative and obligate intracellular parasites. The last section is devoted to studies of the role of bacterial toxic products in pathogenesis.

  • Physiological Aspects of Digestion and Metabolism in Ruminants

    Proceedings of the Seventh International Symposium on Ruminant Physiology
    • 1st Edition
    • T. Tsuda + 2 more
    • English
    This volume is comprised of invited papers presented at the Seventh International Symposium on Ruminant Physiology, held in Sendai, Japan, in September 1989. Papers are invited on the recommendations of 300 international experts. The proceedings of this symposia provides the most comprehensive coverage available of current research in ruminant physiology.

  • The Mollusca

    Physiology, Part 2
    • 1st Edition
    • Volume 5
    • English
    The Mollusca, Volume 5: Physiology, Part 2 focuses on the biochemistry and physiology of mollusks. The selection first elaborates on the feeding biology of gastropods and feeding and digestion in Bivalvia and cephalopods. Discussions focus on feeding, digestion, feeding and digestive rhythms, feeding behavior, ontogeny of gastropod feeding biology, and feeding mechanisms. The text then examines the circulatory systems of gastropods and bivalves and circulation in cephalopods, including blood vessels and extracellular space, chemical control of the circulation, fluid mechanics of the circulation, and nature and anatomy of the circulatory system. The text takes a look at ionic regulation and water balance, excretion, and molluscan immunobiology. Topics include internal defenses of gastropods, bivalves, cephalopods, and Polyplacophorans, Monoplacophora, Cephalopoda, and Scaphopoda. The selection is a vital reference for researchers interested in the biochemistry and physiology of mollusks.

  • Corticotrophin (ACTH)

    • 1st Edition
    • Choh Hao Li
    • English
    Hormonal Proteins and Peptides: Corticotrophin (ACTH) is a collection of papers dealing with the chemistry and biology of adrenocorticotropic hormone (ACTH). One paper describes the structure-function studies made on ACTH, with reference to the steroidogenic activity of synthetic ACTH fragments and analogs. The paper also discusses the melanocyte-stimulati... hormone (MSH) activity, as well as the behavioral effects among the extraadrenal properties of ACTH. Some problems related to ACTH receptors include the role of extracellular calcium and the characterization of ACTH receptors in fetal and adult human adrenocortical cells. Another paper describes ACTH synthesis in the pituitary and extrapituitary tissues. One paper analyzes the role of ACTH in the regulation process concerning the production of steroid hormones, particularly, on the generation of glucocorticoids. Glucocorticoids are the characteristic products of the zona fasciculata. Another paper shows that the steady-state level of ACTH synthesis and release are due to the effects of stimulatory factors such as CRF and inhibitory hormones (namely, the glucocorticoids on the corticotroph). The maintenance of responsiveness of ACTH-secreting cells (as a response to individual stress in humans) can be a manifestation of an inherent molecular characteristic. This collection will prove valuable to microbiologists, biotechnologists, and academicians connected with the biological sciences.

  • Photosynthesis V2

    Development, Carbon Metabolism, and Plant Productivity
    • 1st Edition
    • Govindjee
    • English
    Photosynthesis, Volume II: Development, Carbon Metabolism, and Plant Productivity provides a basic understanding of photosynthesis. This book also explains how to manipulate photosynthesis and improve the overall rate of photosynthesis of a single plant. It focuses on the use of NADPH and ATP in bicarbonate fixation. Comprise of 16 chapters, this book covers topics beginning with the concept of photosynthesis. It further discusses manipulating the genetics and molecular biology of the system. In addition, it explains the biogenesis of photosynthetic apparatus, photorespiration, and environmental regulation among others. As the chapters progress, the topics discussed also increase in terms of technical and scientific concepts, as seen in Chapters 10 and 11. These focus on the translocation of photosynthates and leaf and canopy behavior. The application of the knowledge about photosynthesis to plant productivity is also discussed. A chapter is dedicated to it, including various opinions in the said subject matter. Chapters 14 and 15 contain special topics on canopy photosynthesis and yield in soybean, as well as the effect of bicarbonate on photosynthetic electron transport. This book will be a reference source for researchers. It will also be an introductory book for graduate students specializing in plant biology, biophysics, and physiology; agronomy; and botany.

  • Stress, Neuropeptides, and systemic disease

    • 1st Edition
    • James McCubbin
    • English
    Stress, Neuropeptides, and Systemic Disease traces the development of the neuropeptide hypothesis from its anatomical substrate to its functional correlates in animal and pre-clinical human models of stress-induced disease. The book contains articles that discuss the different aspects and findings on the study of neuropeptides such as the histochemical localization of peptide-containing cells and peptidergic receptors; the current concepts in hypothalamo-pituitar... axis regulation; neuropeptides involved in stress and their distribution in the mammalian central nervous system; and neuropeptide-mediate... regulation of the neuroendocrine and autonomic responses to stress. The methods of measuring neuropeptides and their metabolism; stress responses and the pathogenesis of arthritis; brain peptides and gastrointestinal transit; and diminished opioid inhibition of blood pressure and pituitary function in hypertension development are presented as well. Physicians, neurobiologists, pharmacologists, and biological scientists will find the book very interesting.

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