"Corynebacterium glutamicum "was discovered in Japan in 1956 as a natural glutamate producer. Its microbial factory qualities, such as its physiological plasticity and robust catalytic functionalities, have since facilitated the development of efficient production processes for amino acids, nucleotides and vitamins.

This monograph illustrates how the information gleaned from complete genome sequencing allows the rational engineering of the entire cellular metabolism and how systems biology permits the further optimization of "C. glutamicum" as a biocatalyst. Aspects of gene regulation, metabolic pathways, sugar uptake, protein secretion, cell division and biorefinery applications highlight the enormous biotechnological and biorefinery potential. "

Reviews of Environmental Contamination and Toxicology publishes authoritative reviews on the occurrence, effects, and fate of pesticide residues and other environmental contaminants. It will keep you informed of the latest significant issues by providing in-depth information in the areas of analytical chemistry, agricultural microbiology, biochemistry, human and veterinary medicine, toxicology, and food technology.

Cardiorespiratory function is prominently affected by oxidative stress. Cigarette smoking is the archetype of oxidative and nitrative stress and free radical formation. New adverse effects of smoking keep on propping up in research. The chapters provide the comprehensive view of new developments in this area regarding cardiovascular and lung function and muscle catabolism. Alterations in inflammatory cytokines and proteins as well as degradation of muscle proteins due to smoking, by far unrecognized, caused by oxidative stress also are presented. Much less is known about the effect of cognitive stress on vagally-mediated cardiorespiratory function and surprisingly, on vagal immune pathway. The experimental studies also show that clinically important meconium aspiration syndrome contains an oxidative trait which is amenable to antioxidative treatment. This volume creates a source of information on the damaging role of oxidative stress in cardiorespiratory function that has by far not been available.

This volume provides broad insights to the most recent discoveries in telomere biology, with current applications in tumor diagnostics and future potentials in therapy. Special features of diverse organisms are presented, with ciliates, the "telomerase discoverer organisms"; yeasts, the "molecular genetisists' toy for eukaryotes"; including plants and insects as well. 28 chapters were written by a group of leading research scientists, working in the telomere/telomerase fields today. This book will be a core reference for any physician, scientist or "educated reader" with an interest in the exciting developments in this research field.

The CFTR chloride channel is one of the most well studied transport proteins in biology. Yet there remain many mysteries about the functional properties and biological roles of this ABC transporter. The Cystic Fibrosis Transmembrane Conductance Regulator addresses a select series of hot' topics that relate to the function of CFTR, and the links between CFTR dysfunction and human disease (i.e., cystic fibrosis). The timeliness of these topics distinguishes this collection from previous volumes of this type. Given the general interest in CFTR, this collection will appeal to a broad readership with interests in CFTR, cystic fibrosis, ion channels and ABC transporters.

In this thesis, applications of aminoacylation ribozymes named flexizymes are described. Flexizymes have the following unique characteristics: (i) substrate RNA is recognized by two consecutive base pairs between the 3'-end of substrate RNA and the 3'-end of the flexizyme; (ii) these base pairs can be substituted with other base pairs; and (iii) various activated amino acids can be used as substrates including both canonical and noncanonical amino acids. This flexible aminoacylation of RNAs by flexizymes was used to label endogenous tRNAs to be removed, and in vitro selection using the tRNA-depleted library enabled the discovery of the novel interaction between the microRNA precursor and metabolites. Flexizymes are also used to prepare various aminoacyl-tRNAs bearing mutations at the 3'-end to engineer the translation machinery and to develop the orthogonal translation machinery. The first part of the research demonstrated that SELEX is appropriate for discovering the interaction between small RNA and ligands, and suggested that more RNA motif binding to small molecules exists in small RNAs. The second part opened a door to new opportunities for in vitro synthetic biology involving the engineering of the genetic codes and translation machineries. This research also indicated the great potential of aminoacylation by flexizymes to be applied in various fields of RNA research, which is beneficial for RNA researchers.

In the ten-year interval since the first edition of this volume went to press, our knowledge of extracellular matrix (ECM) function and structure has enor mously increased. Extracellular matrix and cell-matrix interaction are now routine topics in the meetings and annual reviews sponsored by cell biology societies. Research in molecular biology has so advanced the number of known matrix molecules and the topic of gene structure and regulation that we won dered how best to incorporate the new material. For example, we deliberated over the inclusion of chapters on molecular genetics. We decided that with judicious editing we could present the recent findings in molecular biology within the same cell biology framework that was used for the first edition, using three broad headings: what is extracellular matrix, how is it made, and what does it do for cells? Maintaining control over the review of literature on the subject of ECM was not always an easy task, but we felt it was essential to production of a highly readable volume, one compact enough to serve the the student as an introduction and the investigator as a quick update on graduate the important recent discoveries. The first edition of this volume enjoyed con hope the reader finds this edition equally useful. siderable success; we D. Hay Elizabeth vii Contents Introductory Remarks 1 Elizabeth D. Hay PART I. WHAT IS EXTRACELLULAR MATRIX? Chapter 1 Collagen T. F. Linsenmayer 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2. The Collagen Molecule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2. 1. Triple-Helical Domain(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

During evolution silica deposition has been used in Protozoa, Metazoa and in plants as skeletal elements. It appears that the mechanisms for the formation of biogenic silica have evolved independently in these three taxa. In Protozoa and plants biosilicification appears to be primarily driven by non-enzymatic processes and procedes on organic matrices. In contrast, in sponges (phylum Porifera) this process is mediated by enzymes; the initiation of this process is likewise dependent on organic matrices. In this monograph the role of biosilica as stabilizing structures in different organisms is reviewed and their role for morphogenetic processes is outlined. It provides an up-to-date summary of the mechanisms by which polymeric biosilica is formed. The volume is intended for biologists, biochemists and molecular biologists, involved in the understanding of structure formation in living organisms and will also be very useful for scientists working in the field of applied Nanotechnology and Nanobiotechnology.

Damage to DNA by both exogenous and endogenous sources is increasingly regarded as highly important in the initiation and progression of cancer and in the occurance of other pathological events. DNA damage caused by reactive oxygen-derived species, also called oxidative DNA damage, is most the frequent type encountered by aerobic cells. Mechanistic studies of carcinogenesis indicate an important role of this type of damage to DNA. There is also strong evidence to support the role of oxidative DNA damage in the aging process. DNA damage is opposed in vivo by repair systems. If not repaired, DNA damage may lead to detrimental biological consequences. Therefore, the repair of DNA damage is regarded as one of the essential events in all life forms. In recent years the field of DNA repair has flourished due to new findings on DNA repair mechanisms and the molecular basis of cancer. A detailed knowledge of mechanisms of DNA damage and repair, and how individual repair enzymes function may lead to manipulation of DNA repair in cells and ultimately to an increase of the resistence of human cells to DNA-damaging agents. This volume covers the most recent devlopments in this research field and contains contributions from scientists working in the fields of biochemistry, molecular biology, enzymology, biomedical science, and radiation biology.

This series of books, which is published at the rate of about one per year, addresses fundamental problems in materials science. The contents cover a broad range of topics from small clusters of atoms to engineering materials and involve chemistry, physics, materials science, and engineering, with length scales ranging from Angstroms up to millimeters. The emphasis is on basic science rather than on applications. Each book focuses on a single area of current interest and brings together leading experts to give an up-to-date discussion of their work and the work of others. Each article contains enough references that the interested reader can access the relevant literature. Thanks are given to the Center for Fundamental Materials Research at Michigan State University for supporting this series. M.F. Thorpe, Series Editor E-mail: [email protected] East Lansing, Michigan, November 200 I v PREFACE The study of the atomic structure of crystalline materials began at the beginning of the twentieth century with the discovery by Max von Laue and by W.H. and W.L. Bragg that crystals diffract x-rays. At that time, even the existence of atoms was controversial.

In vertebrates, the integrin family includes 24 members. As the alpha-chains were sequenced, some were observed to have an inserted domain similar to the A domain in several matrix and complement proteins. This inserted ligand binding domain is interactive and was called the I domain in integrins. More recently structural data have shown that an integrin beta-chain also contains an I domain. Nine of the currently known 18 alpha-chains contain an I domain.
This book systematically goes through the current knowledge about these integrins, including the newest additions to the integrin family, the collagen-binding alpha10beta1 and alpha11beta1 integrins. The book discusses ligand binding, signalling properties, knock-out phenotypes and possible involvement in disease. This book comprehensively reviews the current knowledge about I domains in integrins and will serve as a useful reference book for scientists in this field.

The main argument of this book is that cell signalling via nerves, hormones, local mediators and growth factors are not distinct phenomena, but branches of one general mechanism and should therefore be studied in an integrated manner. This volume is designed to act as a bridge between general texts and is aimed at biologists coming to the topic from a variety of backgrounds. The first two chapters introduce the general concepts of intracellular signalling and also cover the topic of direct cell-to-cell communication by cytoplasmic bridges (gap junctions). The remaining chapters cover the first and second messengers, starting with their structure, synthesis and release, progressing to the target cell and then working from the membrane inwards towards the nucleus. There is also a section on the mechanism of nervous conduction and the regulation of the ionic balace of cells. The final chapters discuss the regulation of cell growth and division and the special case of messengers acting via nuclear receptors.

This volume provides an overview of the determinants of the release of and exposure to airborne nanoparticles. Whether intentionally manufactured or unintentionally generated during industrial processes, the release of nanoparticles can result in significant worker exposure, which must be dealt with adequately by means of dedicated risk assessments to ensure workplace health and safety. The book extensively discusses a number of measurement and modelling strategies available for this purpose. It also reviews the health hazardous potential of nano-sized particles and fibres, and follows the flow of engineered nanomaterials from production and use to disposal and the environment. It appeals to a wide readership, from specialists already working in the field to newcomers aiming to gain insights into this topic.

ISPP2009, the 13th International Symposium on Phototrophic Prokaryotes, was held in Montreal, Canada, from August 9 to August 14. This was only the second time that the ISPP series was in North America. ISPP2009 was well attended with about 280 registered participants from over 30 countries. A stimulating and inf- mative program showcased the recent developments in this ever-evolving eld. This is always one of my favourite conference series to attend because not only does it inform my speci c research passions, it broadly educates me in ways that improve my teaching and increase my breadth of understanding in a variety of outside areas. Indeed, the ISPP series brings together a broad spectrum of interests, techniques, and disciplines. Both established researchers and newcomers to this eld gave oral presentations in a large number (80) of plenary and parallel symposia sessions which proved to have active audience participation and lively discussions. A large number of excellent poster presentations supplemented the oral program. I think that the high quality of the scienti c presentations, as well as the enjoyable social events, was widely appreciated. Things ran very smoothly, from the original registration to the closing ceremony, thanks to Isabel Stengler and her team at IS Event Solutions.

Molecular Sieves - Science and Technology covers, in a comprehensive manner, the science and technology of zeolites and all related microporous and mesoporous materials. Authored by renowned experts, the contributions are grouped together topically in such a way that each volume of the book series deals with a specific sub-field. Volume 4 covers the characterization of molecular sieves with the help of the most important spectroscopic techniques (Characterization I), i.e. IR, Raman, NMR, EPR, UV-VIS Spectroscopy, X-ray absorption, photoelectron and Mössbauer Spectroscopy. Theory, experiment and application in selected examples are discussed.

This book provides an up-to-date synthesis of the understanding of the interaction between the emission of nitrogen, its deposition and impact on the most important components of natural and semi-natural ecosystems. The work consists of contributions from internationally renowned research scientists. Individual chapters deal with the factors and processes related to nitrogen deposition and soils, non-forest vegetation communities, forest ecosystems, and surface waters. The assessment of these impacts is discussed in terms of setting critical loads. The book is aimed at researchers, advanced course students and policy makers/advisors involved with aspects of the impact of air pollution.

As our understanding of G protein-coupled receptor (GPCR) signal transduction continues to grow, we cannot help but be struck by the emerging complexity and the ability of this receptor superfamily to continually surprise us as new facets are discovered. In this third edition of "Receptor Signal Transduction Protocols," the expert contributors have taken into account the constant evolution of the GPCR field and dealt with methods that allow researchers to address many of the important rising issues. Serving as a companion to the previous editions, this volume contains thorough revisions of some core chapters, the complete rewriting of others to encompass new technological developments since the publication of the prior editions, and the commissioning of brand new, cutting-edge chapters to expand on previous coverage. Written in the highly successful "Methods in Molecular Biology " series format, chapters include introductions to the 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 up-to-date, "Receptor Signal Transduction Protocols, Third Edition" serves the scientific community with a broad collection of the current, practical methodologies in this highly promising field."

The chaperonin field has captured the attention of numerous scientists in recent years. A rapidly increasing number of reviews and articles have tried to elucidate the mechanisms by which these multimeric complexes drive the fo- ing of newly synthesized and denatured proteins. An obvious common theme of chaperonin research first arose from the study of their structural features. All members of this class consist of multiple subunits that form cylindrical structures, which encage proteins in a cave-like environment where folding of proteins takes place according to the current view. Since the chaperonin structures are found even in very primitive org- isms, the archaebacteriae, this "cave scheme" seems to be an evolutionarily successful feature that was conserved and that appears among evolutionarily distinct organisms. Interestingly, almost all chaperonins have specific cofactors that are - volved in the folding process. Even for the eukaryotic cylinder TRiC or CCT, a cofactor called prefoldin or GimC was recently discovered. Only for the archaeal chaperonins cofactors have not yet been discovered, although there seem to be GimC-like homologs in some archaeal species (unpublished obs- vations by M. Leroux).

Most components of the biosphere are continuously ex posed to oxygen from the atmosphere. Accordingly, the inex orable deterioration of all organic compounds by the slow attack of oxygen must occur. Despite this eventuality, a definitive treatment of oxygen-dependent decomposition of any single important natural product has not heretofore been made. The instant monograph attempts to provide a complete description of the autoxidation of one such impor tantnatural product, cholesterol, as the matter is currently understood. The autoxidation of cholesterol in Nature has been a matter of interest to others since the close of the nine teenth century and to me for the past three decades. In this monograph I present aspects of what I have learned about cholesterol autoxidation during that interval. Be cause of the diffuse ann troublesoae nature of the subject I have selected to cite references to the literature rather fully, so that all items discussed may be properly evaluated by the interested reader. Though such extensive citation of references makes for labored reading, I hope the text will serve as a definitive treatment of the subject from which other studies may be engendered without extensive recourse to the older material. An .attempt has been made to include much related in formation so that a detailed awareness of the interrelation ships between cholesterol autoxidation and other aspects of chemistry, metabolism, and toxicology may be had. I risk teaching more on the subject than any reader care to learn."

The Third International Conference on Synthetic Microstructures in Biological Research (SMIBR) was held in Williamsburg, Virginia, September 9-12, 1991. This book represents the compilation of many of the papers and posters presented at the meeting. Publications resulting from previous SMIBR meetings held at Airlie House, Airlie, Virginia (March 24-26, 1986 and March 20-23, 1988) can be obtained from the Institute of Electrical and Electronic Engineers, Inc. (IEEE) Service Center (908 562-5418). The purpose of these conferences is to provide an interface between the engineering community and those at the cutting edge of biological and related material science. The overriding motive for assembling representatives from these diverse disciplines is clear. Engineers, even in 1986, could manipulate materials over dimensional scales on the order of those critical to biological systems. The devices that emerge from these manipulations could then be tailored to monitor system function more directly with significantly more localization than ever before. Thus, one important goal of the meetings is to provide the detailed specifications required for effective interfacing of devices with biological systems under investiga tion."

The 30th scientific meeting of the International Society on Oxygen Transport to Tissue (ISOTT) was held at the Western Conference Centre, UMIST, Manchester, in August 2002. It was attended by some 96 delegates and accompanying persons and there were 128 presentations.

This thesis discusses the use of asymmetric organic catalysis for the direct enantioselective synthesis of complex chiral molecules, and by addressing the many aspects of both vinylogy and atropisomerism, it appeals to researchers and scholars interested in both areas. Organocatalysis is a relatively modern and "hot" topic in the chemical community; it is constantly expanding and its use has been extended to interesting areas like vinylogous reactivity and atropisomerism. Vinylogous systems are very important for their synthetic applications but also pose a number of challenges, the most notable of which are their reduced reactivity and the reduced stereocontrol at these positions. On the other hand, atropisomeric systems are even more important because of the huge potential they have as drugs, ligands and catalysts. Chemists have only recently "recognized" the importance of these two areas and are focusing their efforts on studying them and the challenges they pose. This thesis offers an extensive introduction on the general aspects of chirality and organocatalysis and an equally extensive experimental section that allow nonexperts to understand the discussion section and reproduce the experiments.

This book examines the policy and politics of two health risks, which have recently become prominent social issues in many countries. One is the issue of asbestos as an environmental risk to humans, and another is that of bovine spongiform encephalitis (BSE), or mad cow disease as an animal disease, and of its variant Creutzfeldt-Jakob disease (CJD) as a human food risk. Employing a set of analytical frameworks in political science, each case study explores how the issues emerged, agendas got set, alternatives were chosen, and policies were implemented. Through the analysis, it is examined how safety and public reassurance were pursued in the countries studied (Japan, the UK, France the USA, and Korea). Exploration of the successes and failures in their efforts discloses the key elements to successful health risk management.