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Books > Science & Mathematics > Biology, life sciences > Cellular biology

Vertebrate Myogenesis (Hardcover, 2002 ed.): Beate Brand-Saberi Vertebrate Myogenesis (Hardcover, 2002 ed.)
Beate Brand-Saberi
R5,607 Discovery Miles 56 070 Ships in 10 - 15 working days

The development of vertebrate muscle has long been a major area of research in developmental biology. During the last decade, novel technical approaches have allowed us to unravel to a large extent the mechanisms underlying muscle formation, and myogenesis has become one of the best-understood paradigms for cellular differentiation. This book concisely summarizes our current knowledge about muscle development in vertebrates, from the determination of muscle precursors to terminal differentiation. Each chapter has been written by an expert in the field, and particular emphasis has been placed on the different developmental and molecular pathways followed by the three types of vertebrate musculature - skeletal, heart and smooth muscle.

Crystalline Bacterial Cell Surface Proteins (Hardcover): Uwe B. Sleytr, Paul Messner, Dietmar Pum, Margit Sara Crystalline Bacterial Cell Surface Proteins (Hardcover)
Uwe B. Sleytr, Paul Messner, Dietmar Pum, Margit Sara
R2,710 Discovery Miles 27 100 Ships in 12 - 19 working days

The only book of its kind, Crystalline Bacterial Cell Surface Proteins assembles present-day understanding of the occurrence, structure, chemistry, genetics, assembly, function, and application potential of S-layers. The chapters are designed to stand independent of each other and provide a complete survey of the different topics in S-layer research. This book is intended to stimulate further development in basic and applied S-layer research.
Key Features
* Assembles present-day understanding of S-layers
* Provides a detailed survey of the entire field of basic and applied S-layer research
* Potential for broad application in biotechnology, vaccine development, diagnostics, molecular nanotechnology, and biomimetics

Store-Operated Ca(2)+ Entry (SOCE) Pathways - Emerging Signaling Concepts in Human (Patho)physiology (Hardcover, 2nd ed. 2017):... Store-Operated Ca(2)+ Entry (SOCE) Pathways - Emerging Signaling Concepts in Human (Patho)physiology (Hardcover, 2nd ed. 2017)
Klaus Groschner, Wolfgang F. Graier, Christoph Romanin
R7,092 Discovery Miles 70 920 Ships in 12 - 19 working days

This second edition of the book on Store-operated Ca2+ Entry Pathways has been updated with the newest discoveries that emerged in the field within the last five years. The crystal structure of the Ca2+ signaling core complex is described which adds to a new understanding of the molecular interactions involved. Each chapter has been revised and extended. The book retains its interdisciplinary approach and supplies biochemists, cell biologists and biophysicists as well as clinicians in immunology, neurology and cardiology with valuable information on Ca2+ signaling mechanisms, functions, dysfunctions and their consequences.

Microtubule Dynamics - Methods and Protocols (Hardcover, 2011 ed.): Anne Straube Microtubule Dynamics - Methods and Protocols (Hardcover, 2011 ed.)
Anne Straube
R4,421 Discovery Miles 44 210 Ships in 10 - 15 working days

Microtubules are at the heart of cellular self-organization, and their dynamic nature allows them to explore the intracellular space and mediate the transport of cargoes from the nucleus to the outer edges of the cell and back. In Microtubule Dynamics: Methods and Protocols, experts in the field provide an up-to-date collection of methods and approaches that are used to investigate microtubule dynamics in vitro and in cells. Beginning with the question of how to analyze microtubule dynamics, the volume continues with detailed descriptions of how to isolate tubulin from different sources and with different posttranslational modifications, methods used to study microtubule dynamics and microtubule interactions in vitro, techniques to investigate the ultrastructure of microtubules and associated proteins, assays to study microtubule nucleation, turnover, and force production in cells, as well as approaches to isolate novel microtubule-associated proteins and their interacting proteins. Written in the highly successful Methods in Molecular Biology (TM) series format, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and tips on troubleshooting and avoiding known pitfalls. Definitive and practical, Microtubule Dynamics: Methods and Protocols provides the key protocols needed by novices and experts on how to perform a broad range of well-established and newly-emerging techniques in this vital field.

Heterologous Expression of Membrane Proteins - Methods and Protocols (Hardcover, 2nd ed. 2016): Isabelle Mus-Veteau Heterologous Expression of Membrane Proteins - Methods and Protocols (Hardcover, 2nd ed. 2016)
Isabelle Mus-Veteau
R4,627 R3,770 Discovery Miles 37 700 Save R857 (19%) Ships in 12 - 19 working days

This detailed volume encompasses chapters from leading experts in the area of membrane proteins who describe step-by-step protocols developed these last few years to improve the functional production and stabilization of recombinant integral membrane proteins (IMPs). Membrane proteins play a key role in numerous pathologies such as cancer, cystic fibrosis, epilepsy, hyperinsulinism, and Alzheimer's disease, yet studies on these and other disorders are hampered by a lack of information about the proteins involved. This book sets out to aid researchers in rectifying this situation. Written for the highly successful Methods in Molecular Biology series, chapters include introductions to their respective topics, lists of the necessary materials and reagents, readily reproducible laboratory protocols, and tips on troubleshooting and avoiding known pitfalls. Authoritative and up-to-date, Heterologous Expression of Membrane Proteins: Methods and Protocols, Second Edition serves as an ideal guide for scientists attempting to delve deeper into the myriad unique IMP structures.

Current Topics in Cellular Regulation, Volume 34 (Hardcover): Earl R. Stadtman, P. Boon Chock Current Topics in Cellular Regulation, Volume 34 (Hardcover)
Earl R. Stadtman, P. Boon Chock
R3,214 Discovery Miles 32 140 Ships in 12 - 19 working days

Praise for the Series:
"Timely...High standard of Writing...It is to be highly recommended."
--Quarterly Journal of Experimental Physiology
This informative publication brings together knowledge of various aspects of cellular regulation. Current Topics in Cellular Regulation reviews the progress being made in those specialized areas of study that have undergone substantial development. It also publishes provocative new theories and concepts and serves as a forum for the discussion of general principles.
Researchers in cellular regulation as well as biochemists, molecular and cell biologists, microbiologists, biophysicists, physiologists, nutritionists, and pathologists will find Current Topics in Cellular Regulation a useful source of up-to-date information.

* CONTENTS: Regulatory Features of Multicatalytic and 26S Proteases. Calponin. Type III Cyclic Nucelotide Phosphodiesterases and Insulin Action. Mammalian Aminoacyl-tRNA Synthetases. Regulation of Interaction between Signaling Protein CheY and Flagellar Motor during Bacterial Chemotaxis. The Chemical Biology of Nitric Oxide: Regulation and Protective and Toxic Mechanisms. Nutritional and Hormonal Regulation of Glutathione Homeostasis. Protein Folding and Association: In Vitro Studies for Self Organization and Targeting in the Cell.

Metamorphosis - Postembryonic Reprogramming of Gene Expression in Amphibian and Insect Cells (Hardcover): Lawrence I. Gilbert,... Metamorphosis - Postembryonic Reprogramming of Gene Expression in Amphibian and Insect Cells (Hardcover)
Lawrence I. Gilbert, Jamshed R. Tata, Burr G. Atkinson
R4,875 Discovery Miles 48 750 Ships in 12 - 19 working days

Metamorphosis addresses various facets of postembryonic development, particularly signal transduction, morphogenesis, cell-cell interactions, and programmed cell death. A key feature of the book is its exploration of the molecular mechanisms underlying these processes.
Key Features
* Hormonal regulation of development
* The mechanisms of hormone action
* The steroid/thyroid hormone receptor family
* Morphogenesis and programmed cell death

Molecular Biology of the Cell (Hardcover, Sixth Edition): Bruce Alberts, Alexander Johnson, Julian Lewis, David Morgan, Martin... Molecular Biology of the Cell (Hardcover, Sixth Edition)
Bruce Alberts, Alexander Johnson, Julian Lewis, David Morgan, Martin Raff, …
R4,891 Discovery Miles 48 910 Out of stock

As the amount of information in biology expands dramatically, it becomes increasingly important for textbooks to distill this vast amount of scientific knowledge into concise principles and enduring concepts. Molecular Biology of the Cell, Sixth Edition accomplishes this goal with clear writing and beautiful illustrations. The Sixth Edition has been extensively revised and updated with the latest research in cell biology and it provides an exceptional framework for teaching and learning.

Root Hairs - Cell and Molecular Biology (Hardcover, 2000 ed.): R.W Ridge, A.M.C. Emons Root Hairs - Cell and Molecular Biology (Hardcover, 2000 ed.)
R.W Ridge, A.M.C. Emons
R2,951 Discovery Miles 29 510 Ships in 10 - 15 working days

Root hairs are tip-growing cells that originate from epidennal cells called trichoblasts. Their role may be simply thought of as extending the surface area of the root to facilitate absorption of nutrients and water. However, as you will see in this book, the root hair is far more than that. To an increasingly larger number of plant biologists, the root hair is a model cell. It grows in much the same way as a pollen tube, by sending vast numbers of vesicles containing cell wall precursors to a rounded apical dome, the tip. Once the trichoblast becomes committed to root hair fonnation, it no longer divides. The root hair cell has a migrating nucleus and a complex cytoskeleton. It has a varied cell wall. It is easy to observe through differential interference contrast microscopy because there are no other cells around it to disturb the image. Cytoplasmic streaming is exceptionally clear, and amyloplasts and even mitochondria and endoplasmic reticulum can be seen without reporter labelling in some species. Root hair mutants are easy to distinguish and catalogue. Plant honnones are involved in their growth and development. It is thus an almost ideal plant cell for experimental manipulation and observation. The root hair is also involved in interactions with soil microbes, as you will learn from later chapters of the book.

Ribozyme Protocols (Hardcover, 1997 ed.): Philip C Turner Ribozyme Protocols (Hardcover, 1997 ed.)
Philip C Turner
R3,170 Discovery Miles 31 700 Ships in 10 - 15 working days

The purpose of Ribozyme Protocols is to provide a helpful compilation of protocols that will be of use- DEGREESnot only to those with some experience of ribozymes- DEGREESbut also to those wishing to use ribozymes for the first time. Although it is usually impossible to cover every aspect of a scientific field, I believe this book approaches that ideal and should help all readers perform meaningful experiments using ribozymes. To design ribozymes, one must consider whether the target site will be accessible; this task can be facilitated by using computer programs that pre dict the folding of the target RNA. Such programs are detailed in Chapters 2 and 3. If the chosen target is an RNA virus that can mutate rapidly, it makes sense to consider those parts of the genome that are least likely to change during viral replication. An example of how this can be done is described in Chapter 4. Although computer analysis may be a useful starting point to select tar get sites, there seems, at the moment, to be no guarantee that any particular chosen site will be efficiently cleaved. Some workers have deliberately bypassed this problem by using libraries of ribozyme sequences and by select ing those that actually hybridize to and/or cleave the target; these methods are described in Chapters 5

Biochemistry of Smooth Muscle Contraction (Hardcover): Michael Barany Biochemistry of Smooth Muscle Contraction (Hardcover)
Michael Barany
R3,329 Discovery Miles 33 290 Ships in 12 - 19 working days

This valuable resource provides a systematic account of the biochemistry of smooth muscle contraction. As a comprehensive guide to this rapidly growing area of research, it covers the structure and characteristic properties of contractile and regulatory proteins, with special emphasis on their predicted function in the live muscle. Also included in this book are intermediate filament proteins, and desmin and vimentin, whose function in smooth muscle is unknown; and several enzymes involved in the phosphorylation-dephosphorylation of contractile and other proteins.

The Sodium-Hydrogen Exchanger - From Molecule to its Role in Disease (Hardcover, 2003 ed.): Morris Karmazyn, Metin Avkiran,... The Sodium-Hydrogen Exchanger - From Molecule to its Role in Disease (Hardcover, 2003 ed.)
Morris Karmazyn, Metin Avkiran, Larry Fliegel
R3,077 Discovery Miles 30 770 Ships in 10 - 15 working days

I am extremely honored and pleased to have the opportunity to write a few introductory words for this timely volume on Na + /It exchange. This is a field of investigation that I entered into by challenge and necessity, embraced with passion and fmally left in my quest for new discoveries in growth control. Ten years, one third of my scientific life, has been devoted to uncovering the mysteries of intracellular pH (PH;) regulation with respect to growth factor action. I got started on this new topic in 1980, when I heard a rather provocative hypothesis presented by Enrique Rozengurt at an ICN-UCLA Keystone meeting on "Cell Surface and Malignancy." He showed that all mitogens induced amiloride-sensitive Na + entry into resting cells and proposed that, if a compound stimulates Na + influx, it could be a mitogen. In support of his proposal Enrique reported that the amphipathic polypeptide, mellitin, which induced Na+ influx, was indeed mitogenic for 3T3 cells. This was only correlation at this stage. However, I was fascinated by this talk. I immediately approached Enrique to inform him of my skepticism about this beautiful story, and to indicate that I would only be convinced when I succeeded in isolating mutant fibroblasts lacking the amiloride-sensitive Na+ transporter. ''Good luck " was his response.

Lysosomes - Methods and Protocols (Hardcover, 1st ed. 2017): Karin OEllinger, Hanna Appelqvist Lysosomes - Methods and Protocols (Hardcover, 1st ed. 2017)
Karin OEllinger, Hanna Appelqvist
R5,132 Discovery Miles 51 320 Ships in 12 - 19 working days

This volume provides laboratory protocols essential for studies on lysosomal biology. Chapters aim to guide researchers in their exploration of lysosomes, both under normal conditions and in pathological processes. Written in the highly successful Methods in Molecular Biology series format, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and tips on troubleshooting and avoiding known pitfalls. Authoritative and practical, Lysosome: Methods and Protocols aims to provided protocols that will guide and inspire further research and generate new insights into this fascinating organelle.

Immunofluorescence in Clinical Immunology - A Primer and Atlas (Hardcover, 3rd Revised edition): R.A. Klein Immunofluorescence in Clinical Immunology - A Primer and Atlas (Hardcover, 3rd Revised edition)
R.A. Klein; Wulf B. Storch
R2,953 Discovery Miles 29 530 Ships in 10 - 15 working days

Immunofluorescence, a suitable laboratory method for the microscopic demonstration of antigens and antibodies in biological materials, useable, for example, to provide evidence for the pathogenesis of disease in histological or cytological preparations and for tumour cell differentiation. For this reason immunofluorescence has a decisive role as the method of choice for the diagnosis of auto-immune diseases. This primer on immunofluorescence techniques, which first appeared in 1979, is a richly illustrated handbook suitable for everyday practical work in the laboratory, useable as both an introduction to the subject as well as an atlas. In hardly any other area of medicine are there so many new findings to report. The second edition of this book is concerned not only with the detection methods which now form an essential and established part of diagnostic techniques, but also with the most recent research results such as the discovery of antibodies against Auerbach's plexus and against podocytes...

Structure and Assembly, Volume 1 (Hardcover): J.E. Hesketh, I. F. Pryme Structure and Assembly, Volume 1 (Hardcover)
J.E. Hesketh, I. F. Pryme
R1,291 Discovery Miles 12 910 Ships in 12 - 19 working days

This volume of the treatise deals with structural aspects of the cytoskeleton: the characteristics of the filaments and their components; the organization of the genes; motor proteins; interactions with membranes.

Computational Cell Biology (Hardcover, 1st ed 2002. Corr. 3rd printing 2005): Christopher P Fall, Eric S. Marland, John M... Computational Cell Biology (Hardcover, 1st ed 2002. Corr. 3rd printing 2005)
Christopher P Fall, Eric S. Marland, John M Wagner, John J Tyson
R3,158 Discovery Miles 31 580 Ships in 10 - 15 working days

This textbook provides an introduction to dynamic modeling in cell biology, emphasizing computational approaches based on realistic molecular mechanisms. It is designed to introduce cell biology and neuroscience students to computational modeling, and applied mathematics students, theoretical biologists, and engineers to many of the problems in dynamical cell biology. This volume was conceived of and begun by Professor Joel Keizer based on his many years of teaching and research together with his colleagues. The project was expanded and finished by his students and friends after his untimely death in 1999. Carefully selected examples are used to motivate the concepts and techniques of computational cell biology, through a progression of increasingly more complex and demanding cases. Illustrative exercises are included with every chapter, and mathematical and computational appendices are provided for reference. This textbook will be useful for advanced undergraduate and graduate theoretical biologists, and for mathematics students and life scientists who wish to learn about modeling in cell biology. Royalties from this book will be donated to the Joel E. Keizer memorial endowment for collaborative interdisciplinary research in the life sciences.

Neuronal Network Dynamics in 2D and 3D in vitro Neuroengineered Systems (Hardcover, 1st ed. 2016): Monica Frega Neuronal Network Dynamics in 2D and 3D in vitro Neuroengineered Systems (Hardcover, 1st ed. 2016)
Monica Frega
R3,458 Discovery Miles 34 580 Ships in 12 - 19 working days

The book presents a new, powerful model of neuronal networks, consisting of a three-dimensional neuronal culture in which 3D neuronal networks are coupled to micro-electrode-arrays (MEAs). It discusses the main advantages of the three-dimensional system compared to its two-dimensional counterpart, and shows that the network dynamics, recorded during both spontaneous and stimulated activity, differs between the two models, with the 3D system being better able to emulate the in vivo behaviour of neural networks. The book offers an extensive analysis of the system, from the theoretical background, to its design and applications in neuro-pharmacological studies. Moreover, it includes a concise yet comprehensive introduction to both 2D and 3D neuronal networks coupled to MEAs, and discusses the advantages, limitations and challenges of their applications as cellular and tissue-like in vitro experimental model systems.

Photobiology (Hardcover): Elli Kohen, Rene Santus, Joseph G. Hirschberg Photobiology (Hardcover)
Elli Kohen, Rene Santus, Joseph G. Hirschberg
R1,297 Discovery Miles 12 970 Ships in 12 - 19 working days

Photobiology integrates a wide variety of scientific disciplines. As more people become aware of the many ways light interacts with chemical and biological systems, the need for a concise treatment of photobiology has become more critical. Kohen "et al." Have written just such a book, intended both as a textbook and as a reference.
The authors begin by providing a brief description of the nature of light, how it affects matter, and the means and methods of measuring it. A major section of the book is devoted to how light influences living systems, including discussions of photosynthesis, bioluminescence, regulatory mechanisms, and visual transduction of light. The last half of the book is devoted to the biomedical aspects of light, including photoimmunology, photoallergic reactions and other forms of light sensitivity, the optical properties of skin, and various ways that light can be used in therapy treatments.
Useful to photobiologists as a comprehensive overview, this book should also appeal to biomedical researchers and advanced students of photobiology.

PCR Strategies (Hardcover): Michael A. Innis, David H. Gelfand, John J. Sninsky PCR Strategies (Hardcover)
Michael A. Innis, David H. Gelfand, John J. Sninsky
R3,228 Discovery Miles 32 280 Ships in 12 - 19 working days

PCR Strategies expands and updates the landmark volume PCR Protocols. It is a companion laboratory manual that provides a completely new set of up-to-date strategies and protocols for getting the most from PCR.
The editors have organized the book into four sections, focusing on principles, analyses, research applications, and alternative strategies for a wide variety of basic and clinical needs. If you own PCR Protocols, you will want PCR Strategies. If you don't own PCR Protocols, you will want to buy both!
Key Features
* Concepts explained
* Methods detailed
* Trouble-shooting emphasized
* Novel applications highlighted
* Major sections
* Key concepts for PCR
* Analysis of PCR products
* Research applications
* Alternative amplification strategies

Studies on Hepatic Disorders (Hardcover, 2015 ed.): Emanuele Albano, Maurizio Parola Studies on Hepatic Disorders (Hardcover, 2015 ed.)
Emanuele Albano, Maurizio Parola
R4,497 Discovery Miles 44 970 Ships in 10 - 15 working days

This volume examines the current state of free radical biology as it impacts on hepatic disorders. It takes a thorough look at the relationship of oxidative stress in acute and chronic disease and takes into account factors like: redox biomarkers; antioxidant defense and protection; cell signaling, mutations; oxidative damage involving lipids, proteins and nucleic acids; membrane trafficking, inflammation, mitochondrial dysfunction, alterations in immunological function and toxicology and hypoxia. Studies on Hepatic Disorders, the latest volume in the Oxidative Stress in Basic Research and Clinical Practice series, provides a comprehensive look at liver topics. It is organized into four sections, each one thoroughly covering its topic and consisting of chapters written by recognized field leaders. Section One, covers basic principles including redox signaling, antioxidant defenses, nitric oxide, oxidative mechanisms in senescence and regeneration and the detection of oxidative stress. Section Two, explores Pathophysiology. It ranges from cell damage to fibrogenic response as broken out in chapters on hepatocellular injury, mitochondrial damage, unfolded protein response and autophagy, inflammation, ischemia-reperfusion injury and finally, fibrogenesis. Sections Three and Four cover specific diseases and cancer, respectively. Most of the chapters focus on diseases including acute failure, alcoholic disease, viral hepatitis, iron overload, autoimmune disease, Wilson's disease and more, while the chapters on cancer round out the book.

Cell Adhesion, Volume 16 (Hardcover): D. R. Colman Cell Adhesion, Volume 16 (Hardcover)
D. R. Colman
R2,904 Discovery Miles 29 040 Ships in 12 - 19 working days

One prerequisite for the evolution of multicellular organisms was the invention of mechanisms by which cells could adhere to one another. At some point in our history, dividing cells no longer went their separate protozoic ways in the primordial oceans, but instead found that by maintaining an association, by sticking together but not fusing, numerous evolutionary advantages became possible. The subsequent development of specialized tissues and organs depended on the elaboration of incredibly sophisticated, regulatable cell-to-cell adhesion mechanisms which are known to operate in biological processes as diverse as the growth of the embryo, the immune response, the establishment of connections between nerve cells, and arteriosclerosis, to name just a few. Although we can only guess at the ancestral mechanisms that fostered the first primitive intercellular unions, some one billion years ago, we now recognize contemporary molecular "themes" with presumably ancient origins that mediate cell-cell interactions.
The chapters in this book serve as useful, thought-provoking, but not exhaustive, commentaries on contemporary topics within the broad field of cell adhesion. If the reader detects a slight tilt toward those adhesion molecules that function in the nervous system, this is merely a reflection of this editor's interests, biases, and of course, limitations.

Cell Surface Receptors - A Short Course On Theory And Methods (Hardcover, 3rd ed. 2005): Lee E. Limbird Cell Surface Receptors - A Short Course On Theory And Methods (Hardcover, 3rd ed. 2005)
Lee E. Limbird
R4,359 Discovery Miles 43 590 Ships in 10 - 15 working days

Cell Surface Receptors: A Short Course on Theory and Methods, 3rd Edition, links theoretical insights into drug-receptor interactions described in mathematical models with the experimental strategies to characterize the biological receptor of interest. The study of receptors has changed considerably over the period of the publication of the three editions of this book. The cloning of several genomes makes it unlikely that preparations of receptors now or in the future will arise from their purification as trace proteins from native tissues, but rather from a myriad of molecular approaches. Nonetheless, understanding the molecular mechanisms and ultimately the in vivo biology of these receptors means that investigators will engage in molecular, cellular and ultimate in vivo strategies. It should be of value to investigators who want to identify, characterize and understand the biology of a receptor of interest.

Complement and Kidney Disease (Hardcover, 2006 ed.): Peter F Zipfel Complement and Kidney Disease (Hardcover, 2006 ed.)
Peter F Zipfel
R4,378 Discovery Miles 43 780 Ships in 10 - 15 working days

The understanding how complement relates to glomerular diseases has evolved considerably during the last years. Substantial evidence has accumulated that explain how a defective or deregulated complement system results in kidney diseases. The combination and close interaction of basic research with clinical medicine has demonstrated an important role of complement effector and regulatory proteins in pathological settings of the kidney. A large panel of distinct human kidney diseases such as hemolytic uremic syndrome (HUS), membrano proliferative glomerulonephritis (MPGN), systemic lupus erythematosus (SLE) and in ischemic reperfusions injury and transplantation are caused by defective complement control. Genetic analyses have identified mutations in complement regulators that are associated with these diseases. Mutations have been identified in the fluid phase alternative pathway regulator Factor H and the membrane regulator Membrane Cofactor Protein MCP (CD46). The functional characterization of the mutant proteins allows to define the pathophysiological events on a molecular level. These new concepts and data on disease mechanisms already allowed to establish new diagnostic and novel promising therapeutic approaches for several human kidney diseases.

Nuclear Export of Viral RNAs (Hardcover, 2001 ed.): J. Hauber, P.K. Vogt Nuclear Export of Viral RNAs (Hardcover, 2001 ed.)
J. Hauber, P.K. Vogt
R2,953 Discovery Miles 29 530 Ships in 10 - 15 working days

In eukaryotic cells, the nuclear genome and its transcriptional apparatus is separated from the site of protein synthesis by the nuclear envelope. Thus, a constant flow of proteins and nucleic acids has to cross the nuclear envelope in both directions. This transport in and out of the nucleus is mediated by nuclear pore complexes (NPCs) and occurs in an energy and signal-dependent manner. Thus, nucleocytoplasmic translocation of macro molecules across the nuclear envelope appears to be a highly specific and regulated process. Viruses that replicate their genome in the cell nucleus are therefore forced to develop efficient ways to deal with the intracellulZlr host cell transport machinery. Historically, investigation of Polyomavirus replication allowed identification ofsequences that mediate nuclear import, which led subsequently to our detailed understanding of the cellular factors that are involved in nuclear import. Transport ofmacromolecules in the opposite direction, however, is less well understood. The investigation of retroviral gene expression in recent years pro vided the first insights into the cellular mechanisms that regulate nuclear export. In particular, the detailed dissection of the function of the human immunodeficiency virus type I (HIV-I) Rev trans-activator protein identified CRMI, as a hona fide nuclear export receptor. CRM I appears to be involved in the nucleocytoplasmic translocation of the vast majority of viral and cellular proteins that have subsequently been found to contain a Rev-type leucine-rich nuclear export signal (NES)."

Sequence - Evolution - Function - Computational Approaches in Comparative Genomics (Hardcover, 2003 ed.): Eugene V. Koonin,... Sequence - Evolution - Function - Computational Approaches in Comparative Genomics (Hardcover, 2003 ed.)
Eugene V. Koonin, Michael Galperin
R4,206 Discovery Miles 42 060 Ships in 10 - 15 working days

Sequence - Evolution - Function is an introduction to the computational approaches that play a critical role in the emerging new branch of biology known as functional genomics. The book provides the reader with an understanding of the principles and approaches of functional genomics and of the potential and limitations of computational and experimental approaches to genome analysis.

Key topics covered in this textbook are:
*the completed and ongoing genome sequencing projects,
*databases that store and organize genomic data, with their unique advantages and pitfalls,
*principles and methods of genome analysis and annotation,
*ways to automate the searches and increase search sensitivity while minimizing the error rate,
*the first lessons from the Human Genome Project,
*the contribution of comparative genomics to the understanding of hereditary diseases and cancer,
*fundamental and practical applications of comparative genomics,
*the use of complete genomes for evolutionary analysis,
*the application of comparative genomics for identification of potential drug targets in microbial genomes,
*Problems for Further Study, which are designed to be solved by using methods available through the WWW. Sequence - Evolution - Function should help bridge the "digital divide" between biologists and computer scientists, allowing biologists to better grasp the peculiarities of the emerging field of Genome Biology and to learn how to benefit from the enormous amount of sequence data available in the public databases. The book is non-technical with respect to the computer methods for genome analysis and discusses these methods from the user's viewpoint, without addressing mathematical and algorithmic details. Prior practical familiarity with the basic methods for sequence analysis is a major advantage, but a reader without such experience will be able to use the book as an introduction to these methods. This book is perfect for introductory level courses in computational methods for comparative and functional genomics.

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