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Elsevier

Libros en Ciencias Agrícolas y Biológicas

The Agricultural and Biological Sciences collection advances science-based knowledge for the improvement of animal and plant life and for secure food systems that produce nutritious, novel, sustainable foods with minimal environmental impact. Food Science titles include not only those products from agriculture but all other aspects from food production to nutrition, health and safety, chemistry to security, policy, law and regulation. Biological Sciences address animal behaviour and biodiversity, organismal and evolutionary biology, entomology, marine biology and aquaculture, plant science and forestry.

  • The Cell Nucleus V3

    • 1 Edición
    • Harris Busch
    • Inglés
    The Cell Nucleus, Volume III focuses mainly on nucleic acids, nuclear proteins, and special aspects of nuclear functions. This volume particularly discusses the organization of bacterial and viral DNA, as well as the nuclear DNA of eukaryotic organisms. It also describes nuclear DNA polymerases, precursors of messenger RNA, ribonucleoproteins, and nuclear high- and low-molecular-weight RNAs. Furthermore, this volume looks into the two broad classes of nuclear proteins: histones and nonhistone proteins. It also presents advances made in the knowledge of mammalian DNA-dependent RNA polymerase, cytochemical detection of nuclear enzymes, and nuclear protein synthesis. Moreover, it elucidates the effects of female steroid hormones on target cell nuclei, describes the nucleus during avian erythropoiesis, and reports the general properties of intranuclear viruses.

  • Archabacteria

    • 1 Edición
    • Carl R. Woese
    • Inglés
    The Bacteria, A Treatise on Structure and Function, Volume VIII: Archaebacteria is divided into three major parts and is further subdivided into several chapters. Each part deals with a specific area of study regarding archaebacteria. Part I tackles the biochemical diversity and ecology of archaebacteria, while Part II discusses translation apparatus of these organisms. The last part focuses on archaebacteria’s general molecular characteristics. Generally, the physiological, morphological, ecological, and molecular aspects of the archaebacteria are discussed in this volume. This book also covers a historical distinction between prokaryote-eukaryote and the simultaneous development of archaebacteria. This book is a recommended reference for biologists and scientists who are interested in the unique characteristics of archaebacteria as a very special type of bacteria. These organisms provide a “new world” for thermophilic organisms and at the same time make experts reexamine their idea of prokaryotes. Their relationship to eukaryotes leads people to believe that archaebacteria are truly a “new kingdom of organisms”.

  • Chemical Mutagens Environmental Effects on Biological Systems

    • 1 Edición
    • L Fishbein
    • Inglés
    Chemical Mutagens: Environmental Effects on Biological Systems brings together relevant facts about synthetic and naturally occurring mutagenic chemicals. Organized into two parts, this book begins with a simple discussion on the modern concepts of the gene at the molecular and biochemical levels. The first part also looks into the different types of mutations and how they form, as well as the biological systems used for their detection. The second part deals with the individual chemical mutagens of environmental significance, including their manufacture, occurrence, method of detection, degradation, and metabolism. It also discusses the types of mutation chemical mutagens induce in the various test systems that have been utilized. This book will serve as single source material for its utility to students, investigators, and those involved with public health.

  • Plant Growth and Development

    A Molecular Approach
    • 1 Edición
    • Donald E. Fosket
    • Inglés
    Plant Growth and Development: A Molecular Approach presents the field of plant development from both molecular and genetic perspectives. This field has evolved at a rapid rate over the past five years through the increasing exploitation of the remarkable plant Arabidopsis. The small genome, rapid life cycle, and ease of transformation of Arabidopsis, as well as the relatively large number of laboratories that are using this plant for their research, have lead to an exponential increase in information about plant development mechanisms.In Plant Growth and Development: A Molecular Approach Professor Fosket synthesizes this flood of new information in a way that conveys to students the excitement of this still growing field. His textbook is based on notes developed over more than ten years of teaching a course on the molecular analysis of plant growth and development and assumes no special knowledge of plant biology. It is intended for advanced undergraduates in plant development, as well as those in plant molecular biology. Graduate students and researchers who are just beginning to work in the field will also find much valuable information in this book. Each chapter concludes with questions for study and review as well as suggestions for further reading. Illustrated with two-color drawings and graphs throughout, and containing up-to-date and comprehensive coverage, Plant Growth and Development: A Molecular Approach will excite and inform students as it increases their understanding of plant science.

  • Marine Pollution

    Functional Responses
    • 1 Edición
    • Winona Vernberg
    • Inglés
    Marine Pollution: Functional Responses presents the proceedings of the symposium, ""Pollution and Physiology of Marine Organisms,"" held on November 14-17, 1977, at Hobcaw Barony in Georgetown, South Carolina. It explores the effects of pollutants, such as petroleum hydrocarbons, heavy metals, pesticides, and polychlorinated biphenyls (PCBs), on marine organisms ranging from pink salmon fry to sculpins, estuarine fishes and crabs, bivalve mollusks, lugworms, and oysters. Comprised of four parts encompassing 22 chapters, this volume begins with an overview of the fate and effects of petroleum hydrocarbons on marine biota. It proceeds with a discussion of the hydrocarbon metabolic system in polychaetes and their role in the degradation of hydrocarbons in sediments; the effects of aromatic hydrocarbon toxicants on breathing rates of pink salmon fry; and biological and toxicological effects of heavy metals and other cations on marine species. The book also describes the impact of PCBs and pesticides on the estuarine environment; and how more specialized and less persistent chemicals affect the development and reproduction of nontarget organisms such as Crustacea. This book will be a valuable resource for marine scientists, ecologists, and students.

  • Allozyme Electrophoresis

    A Handbook for Animal Systematics and Population Studies
    • 1 Edición
    • B. J. Richardson + 2 más
    • Inglés
    Inherited enzyme variations, studied using electrophoresis, can be used as markers for the identification of individuals, population structure analysis, the delineation of species boundaries and phytogenetic reconstruction. The purpose of this book is to describe, in a single convenient handbook, all the theoretical and practical matters relevant to those intending to use electrophoresis as a tool for answering such questions.

  • Physiology

    • 1 Edición
    • Dennis E. Buetow
    • Inglés
    The Biology of Euglena, Volume III: Physiology covers areas of investigation on Euglena, focusing in particular on its physiology. The book demonstrates the wide utilization and research on the members of the genus, especially Euglena gracilis. The book discusses, in particular, the essential features of organelle distribution and structure in Euglena, and euglenoid surfaces. It presents circadian rhythms reported for Euglena, as well as the organism’s movement and locomotion. It also explains the various aspects of sensory responses of Euglena gracilis to photic, chemical, and mechanical stimuli. In addition, the book addresses the stimulation and inhibition of the metabolism and growth of Euglena gracilis. Lastly, the Euglena chloroplast membrane, including its structure, function, and photocontrol of its development are described.

  • Windbreak Technology

    • 1 Edición
    • J.R. Brandle + 2 más
    • Inglés
    This book contains a selection of papers presented at the first International Symposium on Windbreak Technology, summarising the available worldwide literature on windbreaks and the response, both positive and negative, to wind protection. State-of-the-art information is presented on general design criteria, and principles of planting and establishment for a wide range of conditions and objectives. It provides descriptive information of tree and shrub species for arid, semi-arid, temperate and tropical areas, and their use in windbreaks.

  • Pesticide Management and Insecticide Resistance

    • 1 Edición
    • David Watson
    • Inglés
    Pesticide Management and Insecticide Resistance explores the problem of insect resistance to pesticides and reviews various approaches to pesticide management and safety. It looks at the environmental hazards of pesticide residues and their regulation, along with application techniques aimed at maximum efficiency against the pest and minimum waste to pollution, safety considerations in the development of pest control programs, and pesticide monitoring. Divided into eight parts encompassing 49 chapters, this volume begins with an overview of the global pesticide industry and the costs of commercializing pesticides relative to their profit potential. It then introduces the reader to the release of fluorohydrocarbon propellants in pesticidal aerosols and their hazards to the ozone layer, management of pests in urban environments, international plant protection, the current status of DDT, the importance of training pest-control personnel, and procedures of forest spraying. Other chapters focus on pesticide management safety from a medical perspective; pesticide safety as it relates to the manufacturing, warehousing, and distribution of pesticides; importance of pesticide application equipment and related field practices in developing countries; and the importance of pesticides in successful pest management programs. This book is a valuable resource for scientists, students, researchers, and policymakers who want to ensure the safety of consumers, applicators, and harvesters when using pesticides.

  • Free Radicals in Biology V1

    • 1 Edición
    • William Pryor
    • Inglés
    Free Radicals in Biology, Volume 1, provides an introduction to some of the basic concepts of free radical biology. The book emerged from the President's Symposium of the American Society for Experimental Pathology held in Atlantic City in April 1970. The book's opening chapter introduces a mechanistic view of free radical reactions using examples from biological systems. This is followed by a discussion of autoxidative damage to lipids in membranes. Some of the special chemistry of lipid oxidation are presented, and a number of novel ideas are suggested. The third chapter deals with the uses of electron-spin resonance in biology. Spin labeling is also discussed, which is one of the most useful methods of probing the chemical and physical environment of molecules in cells. The remaining chapters cover free radicals which occur in photosynthesis and the importance of the enzyme, superoxide dismutase. The study of the occurrence and reactions of this enzyme provides an important and extensive body of data clearly pointing to the significance of free radicals in cellular chemistry.

  • Protein-Calorie Malnutrition

    • 1 Edición
    • Robert Olson
    • Inglés
    Protein-Calorie Malnutrition reviews the state of knowledge of metabolic phenomena in the syndromes embraced by the general term protein-calorie malnutrition (PCM), and places this new knowledge in perspective with the traditional descriptions of kwashiorkar and marasmus. The clarification it provides constitutes a benchmark for design of future programs of prevention, therapy, rehabilitation, research, or teaching. Highly noteworthy are the new advances in amino acid and protein metabolism; the enlightening evidence concerning lysine and carnitine; the evidences of derangements or deficiencies of the broad spectrum of nutrients from carbohydrates to vitamins and minerals; and the implications of these for recovery and therapy. This book includes papers on the following: the impact of age on amino acid requirements; the mechanisms of adaptation to low-protein intakes; the metabolic consequences of essential amino acid deficiency in higher animals; carbohydrate metabolism; vitamin deficiencies associated with PCM; and mineral metabolism in PCM. Other studies deal with the effects of malnutrition on endocrine function; liver function in PCM; the synergistic interaction of malnutrition and infection; and the treatment and prevention of PCM.

  • Insect Photoperiodism

    • 2 Edición
    • Stanley D. Beck
    • Inglés
    Insect Photoperiodism reviews the many aspects of photoperiodism, particularly in insects, emphasizing the concepts that serve to place the subject in a meaningful relationship to the whole of modern biology. Photoperiodism is the study of the adaptive mechanisms by which living systems exploit this source of temporal information. Organized into 12 chapters, this book begins by discussing the relationships between an endogenous behavioral rhythm and the exogenous photoperiod. Aside from behavioral activities, it also shows that some observable developmental events tend to occur at species-typical times of the day and to be photoperiodically regulated. Notably, photoperiod may exert either or both of two regulatory effects on insect development: growth rate effects or polymorphism. Furthermore, the characteristics of some of the principal physiological rhythms that have been studied; role of photoperiod in the control of diapauses; and the circadian functions and theoretical nature of biological clock are explored in this book.

  • Energetics of Photosynthesis

    • 1 Edición
    • Govindjee
    • Inglés
    Bioenergetics of Photosynthesis covers the transformation of energy in biological systems, with an emphasis on photosynthesis. The biochemical and biophysical aspects are given much focus in this book. The historical development of the concepts used in this book is reviewed. This reference also analyzes experimental data and their results. This publication contains 12 chapters. The first chapter introduces the concept of photosynthesis. Then, the next chapter explores the relationship between chloroplast structure and function . Other concepts covered in this book include the primary events (energy transfer and light absorption), delayed light emission, and chlorophyll fluorescence. The mechanism of excitation energy, oxygen evolution, and chlorophyll fluorescence are also explained. Furthermore, this book discusses the electron transport pathway, primary acts of energy conservation in chloroplast membranes, and molecular organization of chlorophyll. Finally, it describes the relationship of the structure of chloroplast membrane to energy coupling and ion transport. This book will be a good resource for students and researchers alike, especially in the fields of cell biology, plant physiology, biochemistry, and biophysics.

  • Methods in Mammalian Reproduction

    • 1 Edición
    • Joseph C. Jr. Daniel
    • Inglés
    Methods in Mammalian Reproduction presents some of the techniques for manipulating, analyzing, observing, testing, and generally experimenting with mammalian mothers and their gametes and embryos. Mammalian reproduction involves an intimate relationship between mother and embryo. The first 18 chapters are arranged in an order that follows a developmental sequence from oocyte to fetal organs and the remaining seven chapters deal with the maternal side of the relationship. With strong focus on laboratory rodents and lagomorphs, the book starts with an introduction to in vitro oocyte maturation and experimental production of mammalian parthenogenetic. It goes on to describe the microtechniques in pre-implantation of embryos, production of chimeras, techniques for early embryonic tissue separation, mammalian embryo preservation by freezing, and in vitro development of whole mouse embryos beyond the implantation stage. Chapters 11-15 discuss the in vitro implantation of mouse blastocysts, advances in rabbit embryo and in large mammal embryo cultures, embryo transfer in large domestic mammals, and manipulation of marsupial embryos and pouch young. The following chapters cover reproduction experiments using marsupials, domestic farm species, and primates including humans. Finally, the concluding chapters tackle the use of amniocentesis in prenatal diagnosis, collection and analysis of female genital tract secretions, analysis of antifertility action of intrauterine devices, and surgical induction of endometriosis. This book will be helpful to students, teachers, researchers, and clinical researchers who demand for more and better procedures for analysis of mammalian reproduction.

  • Dolichopodidae-Platypezidae

    • 1 Edición
    • Bozzano G Luisa
    • Inglés
    Catalogue of Palaearctic Diptera, Volume 7: Dolichopodidae-Platy... offers information on family Dolichopodidae and family Platypezidae, including type-species designation, authors, and proposed names. The catalogue first elaborates on family Dolichopodidae, including subfamily Sciapodinae, Rhaphiinae, Peloropeodinae, Diaphorinae, Hydrophorinae, and Peloropeodinae. The book then examines family Lonchopteridae and family Phoridae. Topics include Dohrniphora, Megaselia, Chaetopleurophora, Gymnophora, Beckerina, and Aenigmatias. The book takes a look at family Opetiidae and family Platypezidae, as well as subfamily Microsaniinae, subfamily Callomyiinae, and subfamily Platypezinae. The catalogue is a valuable source of information for researchers interested in family Dolichopodidae and family Platypezidae.

  • Biochemistry of Insects

    • 1 Edición
    • Morris Rockstein
    • Inglés
    Biochemistry of Insects reviews the state of knowledge in insect biochemistry. The book begins by examining the function of carbohydrates in regulating and maintaining the life processes of insects. This is followed by separate chapters on the functional roles of lipids and proteins in insects; and protein synthesis in insects. Subsequent chapters cover the chemistry of insect cuticle; the structure, distribution, and chemistry of insect biochromes; and chemical control of insect behavior. Also discussed are the biochemical aspects of the natural products used by insects in defensive contexts; the reaction of insecticides and related compounds with their targets; detoxification mechanisms in insects; and genetic variation in natural populations. Designed to serve as a basic textbook in field, this volume should be equally useful as an auxiliary text for most relevant courses in insect biology, particularly insect physiology, insect ecology, insect control, and economic entomology. The book should also serve as an important reference source for the advanced student, the research scientist, and the professional entomologist seeking authoritative details of relevant areas of subject matter.

  • Physics and Biology

    • 1 Edición
    • M Volkenstein
    • Inglés
    Physics and Biology demonstrates the unlimited possibilities of physics in explaining a variety of biological phenomena. It explores developments in biophysics and the most general problems of biological thermodynamics, information theory, and the physical theory of biological development and how they are all connected with the biophysics of complicated systems. Organized into 13 chapters, this volume begins with a historical overview of biophysics, with emphasis on molecular biophysics, followed by a discussion of the biophysics of the cell and of complicated systems. It then introduces the reader to the physical basis of theoretical chemistry and biologically functional substances, with emphasis on some concepts that are necessary for the understanding of molecular biophysics. The next chapters focus on some properties of biopolymers such as proteins and nucleic acids, how molecules interact with each other, and the peculiarities of macromolecules. More specifically, the molecules of organic substances, the chemical reaction involved in molecular interactions, van der Waals forces, and the role of hydrogen bonds in biological processes are considered. The final chapter analyzes the physicochemical basis of the functions of biological molecules. This book will be a valuable resource for physicists, biologists, chemists, natural scientists, and anyone who wants help in tackling some important biophysics-related problems in the contemporary natural sciences.

  • Biology of Fertilization V2

    Biology of The Sperm
    • 1 Edición
    • Charles Metz
    • Inglés
    Biology of Fertilization, Volume 2: Biology of the Sperm is the second in a three-volume series that brings together various lines of research about reproduction in general and fertilization in particular. It is devoted to spermatogenesis, sperm physiology, and the initial interactions of sperm with egg components. The book is organized into three parts. Part I on spermatogenesis and sperm physiology includes studies on the evolution of the sperm cell; regulatory mechanisms, sperm antigen differentiation, and maturation of sperm in the reproductive tracts in mammals; physicochemical mechanisms of the acrosome filament extrusion process; and enzymes associated with sperm cell function. Part II deals with chemotaxis in microorganisms: bacteria and slime molds. Part III on gamete recognition and binding includes studies on identifying, isolating, and characterizing specific sperm and egg surface components involved in sperm-egg interaction; fertilization in the alga Fucus; fertilization in insects; and the role of lysins in fertilization.

  • Principles of Biological Regulation

    An Introduction to Feedback Systems
    • 1 Edición
    • Richard Jones
    • Inglés
    Principles of Biological Regulation: An Introduction to Feedback Systems presents some understanding of control, regulatory, and feedback mechanisms in biological systems. This book discusses concepts related to the dynamic behavior of both individual biological processes and systems of processes that make up an organism. Comprised of 10 chapters, the book also describes the characteristics of biological feedback systems, focusing on the physical concepts. After briefly dealing with involved regulatory processes in biological systems, the book goes on discussing the flow or transport of material through a series of processes in the steady-state. Next chapter uses superposition principle to explain the changes that biological systems undergo following a disturbance or under dynamic behavior. The subsequent chapters cover the fundamental principles of negative biological feedback and to the effects it produces both under steady-state and dynamic behavior. Other chapters describe the effect of sinusoid signals on biological processes and present some stability criteria applied to technological systems and also their value in the study of homeostatic processes. The book also discusses some aspects of homeostats that seem to distinguish them from technological feedback systems. These features include not only the components themselves and their organization, but also the experimental problems involved in their study. The concluding chapters describe nonlinear behavior with great relevance to homeostatic systems and rate processes (production or destruction) for which the roles of stimulus and initial conditions are different. Mathematical relations developed from the conservation of mass and the mass action for chemical reactions are also presented. The book is an invaluable resource for life scientists and researchers.

  • Molecular Genetics Pt 3

    • 1 Edición
    • Herbert Taylor
    • Inglés
    Molecular Genetics, Part III: Chromosome Structure explores the structure and modification of DNA, chromatin, and higher order organization and possible subunits of chromosomes at the molecular level. It describes major changes in concepts of chromatin structure and packaging of DNA based on studies of nuclease digests and electron micrographs; the role of restriction endonucleases in molecular genetics; the involvement of DNA topoisomerases in concerted breaking and rejoining of DNA backbone bonds; enzymatic methylation of DNA; and transcriptional units in eukaryotic chromosomes. Organized into seven chapters, this volume begins with an overview of the general properties of type I and type II restriction enzymes, basic aspects of restriction enzyme technology, and applications of restriction enzyme technology to the study of chromosome structure and function. It then discusses recombinant DNA technology; possible biological roles of DNA topoisomerases; recognition and control sequences in nucleic acids; composition and substructure of nucleosomes; analysis of chromosome fibers by electron microscopy; organization of fibers into chromosomes; and functional aspects of organization of chromosome fibers. Molecular biologists, geneticists, scientists, and electron microscopists will find this book extremely helpful.

  • Fish As Food V3

    Processing: Part 1
    • 1 Edición
    • Georg Borgstrom
    • Inglés
    Fish as Food, Volume III: Processing: Part I presents wise fish utilization and efficient processing. This volume is organized into 13 chapters that describe specific processing methods for specific fish product. The first four chapters of the book describe the theoretical and practical aspects, appraisal, and features of fish drying and dehydration, smoking, and salting. Core chapters deal with the production, properties, and shelf-life of some fish products, such as fish marinades, anchovies, dried seafood, whale products, and fish sausage and soluble. A chapter discusses happenings in technical and industrial aspects, focusing on the commercial developments of fisheries and fish processing in individual countries. The concluding chapter discusses the basic principles of fish meal industry, the important industrial methods, and the nutritive value in relation to manufacturing details of fish meal. Food scientists, technologists, researchers, and manufacturers will find this volume invaluable.

  • Insect Colonization and Mass Production

    • 1 Edición
    • Carroll Smith
    • Inglés
    Insect Colonization and Mass Production reviews the great strides that have been made in the colonization and mass production of insects, including the methods used in rearing representative species and the general principles of nutrition and management that can be applied to the colonization of other species. The book highlights some of the notable successes in mass production and some examples of groups in which the difficulties inherent in laboratory rearing have not yet been overcome. Organized into five sections encompassing 39 chapters, this book begins with an overview of research in entomology that is facilitated by the availability of thriving insect colonies, along with the possibility of controlling insects directly by utilizing the insects, themselves, or by utilizing products derived from insects. Each chapter contains some historical background, as well as a description of the most efficient methods of production. Some chapters are concerned with only a single species, serving as an example of its taxonomic group, and to a lesser extent of other insects with similar nutritional and environmental requirements. Other chapters discuss rearing methods for entire groups of species that share common requirements. Insects covered by the book range from lice and ticks to fleas, flies, moths, yellow fever mosquitoes, and different species of worms. This book will be of interest to entomologists as well as students involved in insect physiology, behavior, and genetics.

  • Major Problems in Developmental Biology

    • 1 Edición
    • Michael Locke
    • Inglés
    Major Problems in Developmental Biology contains the proceedings of the 25th Symposium of the Society for Developmental Biology, held in Haverford, Pennsylvania, in June 1966. The papers explore some of the major problems in developmental biology, particularly those relating to cell differentiation, movements, and death; patterning; and intercellular regulation in plants. Organized into 11 chapters, this book begins with an overview of the growth and development of developmental biology as a scientific discipline, with emphasis on the role of the Society for Developmental Biology, and in particular its symposia, in the emergence of the field. The book then discusses the intra- and extracellular factors impinging upon the nucleus and regulating cell differentiation. Some chapters focus on the dynamics of determination in cell systems of insects, morphogenetic movements of animal cells, and patterns at the cell and tissue levels. The reader is also introduced to the correlations between protein structure and function in relation to cell dynamics and differentiation, along with the physiological, biochemical, and molecular biological aspects of intercellular regulation in plants and the role of cell surface in carcinogenesis. The book concludes by suggesting directions for research into the ontogeny of behavior. This book is a valuable source of information for developmental biologists.

  • Natural Resistance Systems Against Foreign Cells, Tumors, and Microbes

    • 1 Edición
    • Gustavo Cudkowicz
    • Inglés
    Natural Resistance Systems Against Foreign Cells, Tumors, and Microbes presents the proceedings of an international conference held at Timber Cove Inn Jenner, California on October 18-22, 1976. It deals with the resistance to microorganisms and tumors, the dual problems of basic immunology, and the clinical aspects of immune reconstitution. It focuses on the identification and characterization of host defense systems, endowed with specificity, yet non-induced, non-adaptive, and non-thymus dependent. Divided into 12 chapters, the book initially discusses natural resistance to foreign hematopoietic and leukemic grafts. It goes on, examining the critical issues in clinical bone marrow transplantation and graft-versus-host (GVH) disease as a consequence of bone marrow grafting. Chapters 5 to 8 discuss the role of macrophage, Hh genes, major histocompatibility complex, and natural killer cell systems in natural resistance to normal and malignant cells. The final chapters cover the mechanism of cell’s natural resistance to intracellular bacteria, genetic resistance to leukomogenesis, and manipulations to control the allograft response and GVH disease. This book is an invaluable resource for those interested in basic immunology, immune reconstitution, natural resistance phenomena, and GHV disease.

  • Swine Feeding and Nutrition

    • 1 Edición
    • Tony Cunha
    • Inglés
    Swine Feeding and Nutrition provides detailed information on aspects of swine production. It begins with a presentation of the past, present, and future of swine industry. Then, it reviews the many factors that can affect nutrient requirements and needs. This text summarizes minerals, vitamins, proteins, amino acids, carbohydrates, fiber, fatty acids, fat, energy, water, enzymes, and antibiotics and other antimicrobial compounds in swine industry. Furthermore, it discusses the relative value of feeds for use in swine diets and the feeding requirement for baby pig, growing-finishing pigs, and the breeding herd. This book will be very valuable to beginners in swine production, established swine raisers, feed manufacturers and dealers, county agents, farm advisors and consultants, and veterinarians. Animal science and agriculture students and instructors will also find this book helpful.

  • Mitochondria in Higher Plants

    Structure, Function, and Biogenesis
    • 1 Edición
    • Roland Douce
    • Inglés
    Mitochondria in Higher Plants: Structure, Function, and Biogenesis is a collection and interpretation of information on plant mitochondria. It explains not only the basic enzymology of ATP synthesis coupled to electron transport that seems to constitute the major activity of the mitochondria, but also many other aspects that make plant mitochondria rather more diverse than their animal counterparts. Organized into five chapters, this book begins with the morphological and cytological observations on mitochondria, and proceeding through membrane and matrix functions to participation in metabolism and biogenesis. Each section presents the unique properties of plant mitochondria within the framework of general mitochondrial structure and function. This book is intended not only for research workers and students interested in the enzymology of plant mitochondria respiration, but also for graduate and undergraduate students in the field of plant biochemistry, cell physiology, and molecular biology. It will be useful as a starting point for those students wishing to pursue special studies in this field.

  • Cell Shape

    Determinants, Regulation, And Regulatory Role
    • 1 Edición
    • Felix Bronner
    • Inglés
    Cell Shape: Determinants, Regulation, and Regulatory Role is written to help readers understand cell shape and its regulation. It provides insight into how the shape of a cell is determined at a molecular level. It also discusses how the shape of the cell, as a signal, controls gene expression and modulates intercellular interaction. Divided into four parts encompassing 13 chapters, this volume begins with an overview of the mechanism of shape determination. It then explores how the cytoskeleton, the extracellular matrix, and biochemical force transduction may affect or respond to cell shape control. Other chapters focus on the mechanical modeling of cell shape and the biochemical reactions underlying cell motility. The text also describes the results of the molecular studies that have provided important information on the composition of the cytoskeleton. The final chapter reviews the shape changes that happen during embryogenesis. It also considers how the polarity of the embryo is determined. This book is a valuable resource for biologists, embryologists, and cell biologists.

  • The Recombination of Genetic Material

    • 1 Edición
    • K Low
    • Inglés
    The Recombination of Genetic Material aims to introduce the elementary properties of recombinational phenomena. Genetic recombination is a favorite research topic in biology due to its significance. In fact, a simple recombination event can have a profound effect and sometimes can mean the difference between the survival and the demise of an organism. Examples of this are provided in this book. This work also describes numerous recombination systems, mechanisms of the major types of recombination, and the macroscopic products of this biological process. Molecular analyses of recombination enzymes and substrates that have been identified or implicated are also shown. This book will be valuable as a reference material to those interested in this field of study.

  • Toxins in Plant Disease

    • 1 Edición
    • R Durbin
    • Inglés
    Toxins in Plant Disease presents a comprehensive coverage of plant disease toxins, both those for which there are reasonable evidence and those with fewer credentials. This book is primarily concerned with the mechanism wherein substances that interfere with metabolism or that alter the normal structure of protoplasm are produced and released (category 1); this includes the traditional toxins, which are usually of low molecular weight. It also describes category 2 mechanism, wherein substances that interfere with normal control of growth and development are produced and released; these microorganisms are classified as growth-affecting compounds. Moreover, this text addresses some high-molecular-weigh... compounds that contribute to vascular dysfunction. It further talks about the production, isolation, assay, genetics of production, mechanism of action, structure-activity relationship, metabolism, and applications of these toxins. This publication will provide a rational basis for future investigations and contribute to the eventual understanding of the role that toxins play in disease causation.

  • Yield Formation in the Main Field Crops

    • 1 Edición
    • Volumen 13
    • V. Cerný + 2 más
    • Inglés
    This book gives a detailed overview of production processes and yield formation in field crops and permanent grasslands. Yield formation is discussed by the authors as a dynamic process, involving many factors at each stage. Knowledge of the optimum levels of individual yield components makes it possible to control this dynamic process. It is intended that this approach will help to point out gaps in the understanding of the production processes and indicate the direction for further research on this subject.The authors report on various aspects which are involved in yield formation, such as uptake of nutrients, root growth, water use, photosynthesis, transport, distribution and accumulation of photosynthates, etc. A separate chapter discusses the production process as seen from a genetic standpoint. It includes an analysis of phenotype and genotype with respect to production potential, also the heredity, variability of yield potential and new cultivation methods are mentioned. The main part of the book deals with the theory and practice of yield formation in cereals, maize, legumes, sugarbeet, potatoes, clovers and perennial grass stands.

  • Handbook of Energy for World Agriculture

    • 1 Edición
    • B.A. Stout
    • Inglés
    Adequate food supplies and a reasonable quality of life require energy - both in commercial and non-commercial forms. This handbook is intended as a reference for individuals who want a comprehensive overview of energy for agriculture, many of whom are located in remote areas with limited library resources. The purpose is to put energy for agriculture in perspective by presenting numerous national and regional examples of energy usage.Since the early 1970s, world petroleum prices have fluctuated from US$3/barrel to more than US$40/barrel in 1981, and then back to one-third of the peak price today. Consequently, the rural sector depends heavily on non-commercial energy sources. Availability of such energy is highly site-specific. This handbook deals extensively with non-commercial energy - its sources, the technologies for converting energy to more useful gaseous and liquid forms, and its ultimate end-uses.Photographs... tables, line drawings and graphs are used extensively. Over 600 references are listed along with agency names and addresses for obtaining further information.

  • Reproduction of Eukaryotic Cells

    • 1 Edición
    • David M. Prescott
    • Inglés
    Reproduction of Eukaryotic Cells organizes in a single source the principal facts and observations on the cell life cycle and reproduction of eukaryotic cells. The aim is to increase the overall understanding of how these cells reproduce themselves and how this reproduction is regulated. The book begins with a discussion of the sections of the cell cycle and regulation of cell reproduction. Separate chapters on cell growth, cell synchrony, the G1 period, S period, and G2 period follow. Subsequent chapters are devoted to activities during cell division; cell cycle changes in surface morphology; the role of cyclic AMP (cAMP) and cyclic GMP (cGMP) in regulation of cell reproduction; and changes in nuclear proteins, RNA synthesis, and enzyme activities during the cell cycle. The final chapter covers the genetic analysis of the cell cycle.

  • An Introduction to Farm Organisation & Management

    • 2 Edición
    • M. Buckett
    • Inglés
    The interval between the first and second editions of this book have witnessed significant changes for the food producers of the EEC. They have moved from a period of increasing production to an era of food surpluses and statutory reductions in production. This overall change in the fortunes of agriculture have greatly increased the need for sound business management. This book has been substantially updated to include all the current factors that have to be taken into consideration by farmers, as well as still providing a basic introduction to the study of farm management for students. It should prove invaluable reading to those running farms, whether experienced or inexperienced.

  • The Behavior of Fish and Other Aquatic Animals

    • 1 Edición
    • David Mostofsky
    • Inglés
    The Behavior of Fish and Other Aquatic Animals provides a comprehensive discussion of the behavior of fish and other aquatic animals. It aims to fulfill the need for published materials that can responsibly depict the status quo of existing knowledge, and that can serve to educate the scientist seeking an organized presentation focused on biobehavioral issues and techniques. The book begins by exploring symbiotic relationships in fishes that range from broad multispecific types that have little or no intimacy between symbionts to intimate mutualistic relationships. It then presents studies on the feasibility of using teleost fish as subjects in behavioral toxicology experiments; the visual behavior of fishes; the role of the teleost telencephalon in behavior; and the auditory systems of fishes. The remaining chapters cover the behavior of turtles in land, sea, and fresh waters; visually guided behavior in turtles; the gas bubble disease of fish; and the advantages and limitations of acoustic telemetry, which has been used to obtain data from animals ranging in size from hatchling sea turtles to large tuna and sharks.

  • Liquid Crystals and Biological Structures

    • 1 Edición
    • Glenn Brown
    • Inglés
    Liquid Crystals & Biological Structures covers analogies between biological structures and behavior of living cells to liquid crystalline structures and their behavior. It emphasizes that the physical state of the matter involved in life processes is to a great extent liquid crystalline. The first chapters discuss the physical, chemical, structural, and optical properties of liquid crystals, as well as the structure of the principal molecules associated with life systems. The core chapters cover selected cellular structures exhibiting liquid crystalline behavior to emphasize the nature of various cellular membranes, from the cell membranes to the receptors and effectors. The book also considers differentiated organelles of the cell that are specialized for photoreception, including chloroplasts for photosynthesis, the retinal photoreceptors of the eye, and the rods and cones for visual excitation. This book is suited for students and bioscientists who are interested in the potential of the liquid crystalline state in exploring a variety of biological phenomena.

  • Plant Disease: An Advanced Treatise

    How Plants Defend Themselves
    • 1 Edición
    • James G. Horsfall
    • Inglés
    Plant Disease An Advanced Treatise, Volume V: How Plants Defend Themselves describes the active, passive, physical, chemical, mechanical, and physiological defense systems of plants against the pathogens. Divided into 23 chapters, this volume discusses theories, experimental approaches, and ways to help plant defend themselves. The opening chapters of this volume deal with certain general aspects of plant defense, such as the theories of “tolerance to disease” and “the time sequence of defense”, including a dynamic model of defense. A chapter discusses how plant populations defend themselves in natural ecosystem and the implications of disease management on agroecosystems. Considerable chapters examine the defense by the host by analogy with defense of a medieval castle, such as perimeter, internal, and chemical defenses. Discussions on the defenses triggered by the invading pathogen; recognition and compatibility phenomena; the concept of hypersensitivity; the role of phytoalexins in defense; and the metabolic detoxification done by plants to suffer less damage from toxins are provided. This volume also discusses the theory and mechanisms of hypovirulence and hyperparasitism. The concluding chapters summarize the effects of numerous nutrients on disease and the mechanisms involved. This volume is an invaluable source for plant pathologists, mycologists, advanced researches, and graduate students.

  • The Mycoplasmas V2

    Human and Animal Mycoplasmas
    • 1 Edición
    • J Tully
    • Inglés
    The Mycoplasmas, Volume II: Human and Animal Mycoplasmas is a volume of a comprehensive three-volume series encompassing various facets of mycoplasmology. This volume deals with host-parasite relationships of mycoplasmas in man and animals, with emphasis on recent developments in the study of classical mycoplasmal diseases of animals, such as cattle, sheep, goats, swine, and chickens. This volume shows the knowledge about mycoplasmal diseases of man, including those involving the respiratory and genitourinary tracts. Detailed information on the humoral and cellular immune responses to mycoplasmas,which are assuming an ever-increasing significance in the understandingof the pathogenesis of human and animal mycoplasmal diseases, is also given. This book ends with reviews on mycoplasmas as arthritogenic agents and the interaction of mycoplasmas with cell andorgan cultures. This book will serve as a standard reference work for mycoplasmologists, as well as for other interested microbiologists, cellular and molecular biologists, membrane biochemists, clinicians, veterinarians, plant pathologists, and entomologists.

  • Methods in Mycoplasmology V2

    Diagnostic Mycoplasmology
    • 1 Edición
    • Joseph Tully
    • Inglés
    Methods in Mycoplasmology, Volume II: Diagnostic Mycoplasmology is the second of a two-volume series that resulted from cumulative efforts to meet the need for standardized techniques in mycoplasmology. The book is organized into five sections. Section A discusses techniques for isolating mycoplasmas from humans. These include the recovery of mycoplasmas from the respiratory and genitourinary tracts, from blood and special tissues, and serological Identification of mycoplasmas from humans. Section B focuses on techniques for isolating mycoplasmas from animals, including the recovery and identification of avian, bovine, caprine, ovine, canine, and feline mycoplasmas. Section C presents techniques for isolating mycoplasmas from cell cultures. These include agar and broth techniques, the use of indicator cell lines, and DNA fluorochrome staining. Section D discusses techniques for isolating mycoplasmas from plants and insects. Section E describes some of the techniques that are useful in evaluating the pathogenicity of mycoplasmas, ureaplasmas, and spiroplasmas. Section F defines some of the techniques useful in virus detection by electron microscopy and presents methods for isolating and characterizing viruses from both mycoplasmas and spiroplasmas.

  • Protein and Amino acid nutrition

    • 1 Edición
    • Anthony Albanese
    • Inglés
    Protein and Amino Acid Nutrition describes the state of knowledge concerning the nutrition of proteins and amino acids. Topics range from the effect of some therapeutic agents on protein and amino acid nutrition, to species and age differences in amino acid requirements; utilization of D-amino acids; effect of proteins and amino acids on the growth of adult tissue in vitro; and amino acid requirements of animals and young adults. This volume is organized into 16 chapters and begins with an overview of the nutritional implications of the metabolic interrelationships of amino acids. The next chapters discuss experiments that tested the differences in amino acid requirements due to the differences in age and in species among animals, the biochemical individuality of amino acid requirements, and the utilization of dietary proteins. This book explains the synthesis of tissue proteins in relation to the essential amino acids; the link between food energy and nitrogen metabolism; and the use of the repletion method to measure the nutritive value of proteins, protein hydrolyzates, and amino acid mixtures. The final chapter discusses the nutritional needs of the older age groups. This book is intended for scientists, students, and researchers interested in human and animal nutrition.

  • Refined Carbohydrate Foods And Disease

    • 1 Edición
    • D Burkitt
    • Inglés
    Refined Carbohydrate Foods and Disease: Some Implications of Dietary Fibre addresses the geographical distribution and historical emergence of the characteristically western diseases, which may be accounted for on a common dietary basis, particularly, on deficiency of dietary fiber. The book is divided into 10 parts, each with number of chapters focusing on relationship between disease and the environment; refined carbohydrate foods; various diseases of the large intestine; and other diseases that are associated with constipation, straining at stool, and refined carbohydrate foods. The book shows the role of refined carbohydrate foods as a significant cause of diseases, because it removes fiber, which has many unsuspected physiological functions. This reference is deemed to be useful to forge stronger links between epidemiologists and experimental workers.

  • The Analysis of Response in Crop and Livestock Production

    • 3 Edición
    • John L. Dillon + 1 más
    • Inglés
    The role of the agricultural scientist is to manipulate crop and livestock response phenomena so that they serve society's needs better, enabling countries to obtain full benefit from their agricultural resources. By producing food more efficiently, resources can be made available for non-agricultural development and other needs beyond the essentials of food and fibre. This text provides an introductory outline of the analytical principles involved in appraising the efficiency of crop-fertilizer and livestock-feed response. It provides students of both agricultural science and economics with a simple but formal exposition of the why, how and wherefore of the principles of crop and livestock analysis, thereby helping to further co-operative effort among biological and economic researchers. The third edition has been updated and revised, with additions relating to the principles of modelling, the concept of economic duality as pertinent to response processes, the appraisal of aggregate response, and the economics of response research.

  • Additional Woody Crop Plants V7

    • 1 Edición
    • T.T. Kozlowski
    • Inglés
    Water Deficits and Plant Growth, Volume VII: Additional Woody Crop Plants is an extension of Volume VI of this treatise and deals primarily with water relations of woody crop plants in a community context. Organized into five chapters, this book begins with the important problem of predicting effects of vegetation changes on transpiration and evaporation. Separate chapters follow that discuss water relations of cotton, small fruits, grapevines, and peach trees and orchards. For each of these plant communities, emphasis is placed on hydrological cycles; water use and transpiration; absorption of water; and effects of environmental factors on soil and plant water balance. The effects of water deficits on physiological processes; vegetative and reproductive growth; yield of harvested products; drought resistance; and cultural practices affecting plant water balance and yield are also emphasized in this book. This volume will be useful to both researchers and those involved in the practice of growing woody plants for crops or for esthetic values.

  • Nuclear Trafficking

    • 1 Edición
    • Carl Feldherr
    • Inglés
    Nuclear Trafficking is a summary of the state of knowledge in nuclear trafficking, and is organized into five parts. The book begins by discussing the diffusion and signal-mediated transport through the pores. It then looks into the detailed accounts of pore structure and composition, nuclear localization signals, signal binding proteins, RNA efflux, and biochemical factors influencing nucleocytoplasmic exchange. This book will be very useful to those people new to this field of interest.

  • Mechanisms of Cytotoxicity by NK Cells

    • 1 Edición
    • Ronald Herberman
    • Inglés
    Mechanisms of Cytotoxicity by NK Cells is the resulting book of a workshop focused on the studies that enhance understanding of the basic mechanisms involved in the function and regulation of NK cells. The book presents the status of knowledge of the mechanisms responsible for the cytotoxic effects of NK cells and the regulation of their activity. The text is further divided into five major sections according to the sequence of the workshop sessions. A separate chapter from the sections has been included at the beginning of the book. The introductory chapter clarifies some points in the subject area of NK cells, particularly its definition. The heterogeneity of NK cells is also discussed in this chapter. Then, the book presents the major topics, including the purification and characterization of NK cells and NK target structures and recognition sites. The mechanisms of postrecognition interactions between NK cells and targets; regulation of NK activity and NK cells; and cultured cells with NK-like activity are also discussed. This book will serve as a helpful guide to students and professionals (scientists, researchers, and professors) in the fields of immunology, biology, microbiology, biochemistry, among others.

  • The Cell in Mitosis

    • 1 Edición
    • Laurence Levine
    • Inglés
    The Cell in Mitosis is a collection of papers presented at the First Annual Symposium held on November 6-8, 1961 under the provisions of The Wayne State Fund Research Recognition Award. Contributors focus on the complexities posed by the cell in division and consider topics such as the chemical prerequisites for cell division, the role of the centriole in division cycles, development of the cleavage furrow, chemical aspects of the isolated mitotic apparatus, histone variability, and actin polymerization. This volume is organized into 11 chapters and begins with an overview of cell division, with reference to the basic essential mechanisms of mitogeneses underlying the emergence of the elegant geometries of mitosis. An account of the congression of chromosomes onto metaphase configuration and progression through telophase is also given. The next chapters explore the identity and role of the centriole in the whole life cycle of cell behavior; the fine structure of animal cells during cytokinesis; the mechanism of saltatory particle movements during mitosis; and how chemical and physical agents disrupt the mitotic cycle. A chapter is devoted to the holotrichous ciliate, Tetrahymena pyriformis, paying attention to its fine structure during mitosis. This book will be of interest to physiologists, electron microscopists, light microscopists, biochemists, and others who want to know more about the various aspects of cell division.

  • Natural Cell-Mediated Immunity Against Tumors

    • 1 Edición
    • Ronald Herberman
    • Inglés
    Natural Cell-Mediated Immunity Against Tumors aims to be the first book to provide a comprehensive discussion on natural cell-mediated immunity against tumors. This book is mostly a collection of different research contributed by leading laboratories. It also presents a better perspective of how natural mechanisms fit in with and relate to the traditional and more extensively studied components of the immune system. The book starts off with an overview of the contents of the volume – the historical development of the advances in the field of research and the status of knowledge in the subject area. Divided into four major sections, the book consists of a total of 98 chapters. The sections discuss the natural killer cells and related cells and the natural lymphokine production. This book also explains the natural macrophage and granulocyte cytotoxicity. The book will be a helpful reference for students, professionals, and researchers in biology, immunology, biochemistry, microbiology, and other related fields.

  • Cytogenetics Of Aneuploids

    • 1 Edición
    • Gurdev Khush
    • Inglés
    Cytogenetics of Aneuploids deals with the cytogenetic aspects of aneuploidy in plants, emphasizing the trisomics, monosomics, and nullisomics and cytogenetics of substitution lines as well as alien additions and substitutions. An account of aneuploidy in animals and man is also given. This volume is organized into 12 chapters and begins with an overview of terminology and chromosomal formulas, along with a brief history of the cytogenetics of aneuploids as a field of enquiry. The next chapters review the entire literature on trisomics, their sources, cytology, transmission rates, genetics, morphology, anatomy, physiology, and biochemistry. The discussion then shifts to monosomics and nullisomics, including their sources and cytology as well as breeding behavior, morphology, and genetic studies. Other uses of monosomics and nullisomics are considered. The following chapters deal with intervarietal substitutions and alien additions and substitutions, emphasizing different methods of producing substitution lines and their utility in genetic analysis and practical plant breeding programs. The book concludes by describing special features of aneuploidy in animals and highlighting specific cases of aneuploidy in the animal kingdom. This book will be of interest to plant breeders and geneticists.

  • Metabolic Inhibitors V4

    A Comprehensive Treatise
    • 1 Edición
    • R Hochster
    • Inglés
    Metabolic Inhibitors: A Comprehensive Treatise, Volume IV reviews developments in studies of inhibition of metabolic and enzymic processes ranging from photosynthesis and blood clotting to protein synthesis, fatty acid metabolism, and phospholipid metabolism. The book also explores the inhibition of specific enzyme reactions, such as amino acid activation, amino acid hydroxylation, and cyclic AMP formation. Organized into nine chapters, this volume begins with an overview of allosteric inhibition and inhibitors, and then discusses amino acid hydroxylase inhibitors. The reader is also introduced to inhibitors and activators of enzymes that regulate the cellular concentration of cyclic AMP. In particular, the book describes the role of lipids in the activation of adenyl cyclase by hormones; modification of adenyl cyclase in various physiological and pathological conditions; and synthesis of glycerophosphatides as well as phospho- and glycosphingolipids. This book is a valuable source of information for biochemists and medical research workers as well as virologists, microbiologists, plant physiologists, and agronomists.

  • Advances in Food-Producing Systems For Arid and Semiarid Lands Part A

    • 1 Edición
    • Jamal Manassah
    • Inglés
    Advances in Food-Producing Systems for Arid and Semiarid Lands: Part A contains the proceedings of a symposium on ""Advances in Food-Producing Systems for Arid and Semiarid Lands"" of the International Symposium Series held in Kuwait in April 1980. Organized into five parts, separating the first five sessions of the symposium, this book begins by discussing the needs of arid lands. It then tackles the biotechnologies that may find valuable applications in arid and semiarid lands. Furthermore, it explores the water management and environmental tolerance aspects involved in these harsh environments. The presented papers bring renewed vitality to the hope that appropriate and directed exploitation of various technologies can evolve developable industries for arid and semiarid lands.

  • Mitosis/Cytokinesis

    • 1 Edición
    • Arthur Zimmerman
    • Inglés
    Mitosis/Cytokinesis provides a comprehensive discussion of the various aspects of mitosis and cytokinesis, as studied from different points of view by various authors. The book summarizes work at different levels of organization, including phenomenological, molecular, genetic, and structural levels. The book is divided into three sections that cover the premeiotic and premitotic events; mitotic mechanisms and approaches to the study of mitosis; and mechanisms of cytokinesis. The authors used a uniform style in presenting the concepts by including an overview of the field, a main theme, and a conclusion so that a broad range of biologists could understand the concepts. This volume also explores the potential developments in the study of mitosis and cytokinesis, providing a background and perspective into research on mitosis and cytokinesis that will be invaluable to scientists and advanced students in cell biology. The book is an excellent reference for students, lecturers, and research professionals in cell biology, molecular biology, developmental biology, genetics, biochemistry, and physiology.

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