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Nucleic Acids and Proteins in Soil
With millions of different bacterial species living in soil, the microbial community is extremely complex, varying at very small scales. Microbe-driven functions are essential for most processes in soil. Thus, a better understanding of this microbial diversity will be invaluable for the management of the various soil functions. Nucleic Acids and Proteins in Soil combines traditional approaches in soil microbiology and biochemistry with the latest techniques in molecular microbial ecology. Included are methods to analyse the presence and importance of nucleic acids and proteins both inside and outside microbial cells, the horizontal gene transfer which drives bacterial diversity, as well as soil proteomes. Further chapters describe techniques such as PCR, fingerprinting, the challenging use of gene arrays for structural and functional analysis, stable isotope probing to identify in situ metabolic functions, and the use of marker and reporter genes in soil microbial ecology.
Nostalgia and Hope : Intersections between Politics of Culture, Welfare, and Migration in Europe
This book shows how the politics of migration affect community building in the 21st century, drawing on both retrogressive and progressive forms of mobilization. It elaborates theoretically and shows empirically how the two master frames of nostalgia and hope are used in local, national and transnational settings, in and outside conventional forms of doing politics.
Nitrogen Cycling in the Americas : Natural and Anthropogenic Influences and Controls
The rate of creation of reactive nitrogen (NR) on the earth has dramatically increased in the last half century mainly due to the production of N-fertilizer through the Haber-Bosch process, fossil fuel combustion, and the cultivation of plants that fix N from the atmosphere. The anthropogenic production of NR has been especially high in developed countries of the temperate zone, such as the USA and Canada, where severe eutrophication of estuaries and coastal zones, acidification of lakes and streams, loss of biodiversity, and reduced forest productivity have become common environmental problems associated with increasing nitrogen loads to ecosystems. This book presents a series of studies from across the Americas whose aim is to highlight key natural processes that control nitrogen cycling as well as discuss the main anthropogenic influences on the nitrogen cycle in both the tropical and temperate regions of the Americas.
Network Control and Engineering for QOS, Security and Mobility, III ; IFIP TC6 / WG6.2, 6.6, 6.7 and 6.8. Third International Conference on Network Control and Engineering for QoS, Security and Mobility, NetCon 2004 on November 2-5, 2004, Palma de Mallorca, Spain
This volume contains the proceedings of the Third International Conference on Network Control and Engineering for Quality of Service, Security and Mobility (Net-Con'2004), celebrated in Palma de Mallorca (Illes Balears, Spain) during November 2-5, 2004. This IFIP TC6 Conference was organized by the Universitat de les Illes Balears and sponsored by the following Working Groups: WG6.2 (Network and Internetwork Architectures), WG6.6 (Management of Networks and Distributed Systems), WG6.7 (Smart Networks) and WG6.8 (Mobile and Wireless Communications). The rapid evolution of the networking industry introduces new exciting challenges that need to be explored by the research community. The adoption of Internet as the global network infrastructure places the issue of quality of service among one of the hot topics nowadays: a huge diversity of applications with quite different service requirements must be supported over a basic core of protocols. Also, the open and uncontrolled nature of Internet enforces the need to guarantee secure transactions among users, thus placing security as another hot topic. Finally, the explosion of mobility and its integration as part of the global infrastructure are probably now the most challenging issues in the networking field.
Nearrings and Nearfields ; Proceedings of the Conference on Nearrings and Nearfields, Hamburg, Germany July 27 - August 3, 2003
This present volume is the Proceedings of the 18th International Conference on Nearrings and Nearfields held at the Helmut-Schmidt-Universitat, Universitat der Bundeswehr Hamburg, from July 27-August 3, 2003. It contains the written versions of the lectures by the five invited speakers. These concern recent developments of planar nearrings, nearrings of mappings, group nearrings and loop-nearrings. One of them is a long and very substantial research paper "The Z-Constrained Conjecture". These are followed by 13 contributions reflecting the diversity of the subject of nearrings and related structures. Besides the purely algebriac structure theory, these papers show many connections of nearring theory with group theory, combinatorics, geometries, and topology, and all contain original research.
Nature Conservation : Concepts and Practice
This book provides a multi-disciplinary coverage of the broad fields of species, community and landscape conservation.
Natural Products Targeting Clinically Relevant Enzymes
Covers the full spectrum of clinically relevant enzymes that are known to be targeted by natural products. Key enzymes include acetylcholine esterase, angiotensin-I-converting enzyme, cyclooxygenase, dihydrofolate reductase, phospholipase A2, respiratory complexes, and many more. By connecting the diversity of medicinal natural product sources with their potential clinical applications, this volume serves as a companion for the medicinal chemist looking for innovative small molecule compounds as well as for pharmacologist interested in the clinical effects and mode of action of herbal and traditional medicines.
Natural Products : Drug Discovery and Therapeutic Medicine
Although the natural product drug discovery programs of the large drug companies are now equaled by programs for the high throughput screening of synthetic compounds generated through combinatorial chemistry, natural compounds still hold great promise to overcome such problems as antibiotic resistance, the emergence of new diseases, the failure to conquer old diseases, and the toxicity of some contemporary medical products. In Natural Products: Drug Discovery and Therapeutic Medicine, a panel of recognized experts and leaders in the field discuss the past successes of natural products as medicines and review future possibilities arising from both conventional and new technologies. High-performance liquid chromatography profiling, combinatorial synthesis, genomics, proteomics, DNA shuffling, bioinformatics, and genetic manipulation all now make it possible to rapidly evaluate the activities of extracts as well as purified components derived from microbes, plants, and marine organisms. The authors apply these methods to new natural product drug discovery, to accessing microbial diversity, to investigating specific groups of products (Chinese herbal drugs, antitumor drugs from microbes and plants, terpenoids, and arsenic compounds), and to exploiting specific sources (the sea, rainforest, and endophytes). These new opportunities show how research and development trends in the pharmaceutical industry can advance to include both synthetic compounds and natural products, and how this paradigm shift can be more productive and efficacious.
Natural poisons and venoms: Plant toxins : Polyketides, phenylpropanoids and further compounds
Biogenic toxins are fascinating natural products characterized by an enormous diversity of chemical structures and pharmacological activities. They not only pose hazards to humans and animals, but they are important components in the interplay of substances and living beings in nature and, moreover, important sources for new drugs.
Natural poisons and venoms : Animal toxins
Biogenic toxins are fascinating natural products characterized by an enormous diversity of chemical structures and pharmacological activities. They not only pose hazards to humans and animals, but they are important components in the interplay of substances and living beings in nature and, moreover, important sources for new drugs.
Natural poisons and venom : Plant toxins : Terpenes and steroids
Biogenic toxins are fascinating natural products characterized by an enormous diversity of chemical structures and pharmacological activities. They not only pose hazards to humans and animals, but they are important components in the interplay of substances and living beings in nature and, moreover, important sources for new drugs.
Natural Compounds as Drugs ; Vol. II
This book highlights new trends and aspects in natural products research. It discusses the biodiversity-driven approaches which are now of eminent importance in natural products research, addressing the question why natural products display such a complex chemical information, what makes them often unique and what their characteristics are. Practical questions such as supply of natural substances and production optimization strategies are also covered.
Natural Compounds as Drugs ; Vol. I
This book highlights new trends and aspects in natural products research. It discusses the biodiversity-driven approaches which are now of eminent importance in natural products research, addressing the question why natural products display such a complex chemical information, what makes them often unique and what their characteristics are. Practical questions such as supply of natural substances and production optimization strategies are also covered.
Narrowing the Achievement Gap : Strategies for Educating Latino, Black, and Asian Students
This volume is an important and impressive collection of scholarship that addresses one of the more intractable education problems of our times--ensuring that ALL children receive a quality education." -- Gloria Ladson-Billings, Kellner Family Professor in Urban Education University of Wisconsin at Madison, and 2005-2006 President of AERA "A major contribution to the field, the in-depth analyses provided by the chapter authors should be of substantial appeal to a wide audience because of its interdisciplinary approach and orientation to theory, research, and practice." -- Stanley Sue, Distinguished Professor of Psychology and Asian American Studies University of California at Davis "In considering the broad problems and in recommending solutions, the book provides breadth, concision, and unique organization." -- Edmund W. Gordon, John M.
Mycorrhiza : State of the Art, Genetics and Molecular Biology, Eco-Function, Biotechnology, Eco-Physiology, Structure and Systematics
This third updated and revised edition emphasises strongly on genetics and molecular biology. It contains new chapters, which are written by the leading experts in their respective field of knowledge and expertise.Mycorrhizas are symbioses between fungi and the roots of higher plants. As more than 90% of all known species of plants have the potential to form mycorrhizal associations, the productivity and species composition and the diversity of natural ecosystems are frequently dependent upon the presence and activity of mycorrhizas. The biotechnological application of mycorrhizas is expected to promote the production of food while maintaining ecologically and economically sustainable production systems.
Multilingualism: Understanding Linguistic Diversity
Multilingualism is everywhere in our globalised society. Delving into the 'social life' of languages, John Edwards provides a brief yet compelling overview of multilingualism and its sociocultural implications and consequences. Covering major topics including language origins, language death, lingua francas, pidgins, creoles and artificial languages, this book provides a complete introduction to what happens when languages meet.
Mosquito Ecology : Field Sampling Methods
The purpose of this book is in keeping with the original vision of Professor Service to describe the methods and rationale for sampling mosquitoes, with particular emphasis on the ecology and behaviour of those species that play a role as vectors of human and animal diseases and infections. The book is designed to serve as a practical reference for field entomologists and mosquito control specialists and describes the sampling methods and available trapping technologies and tools for the collection of all life-stages of mosquitoes, from egg to adult. It also describes the techniques available for data analysis and discusses ecological principles of relevance to the study of field populations of mosquitoes. While concentrating primarily on mosquitoes, many of the techniques described are suitable for the study of other Diptera, including Ceratopogonidae, Chironomidae, Simuliidae, Phlebotominae, etc.
Morphology, Molecules, Evolution and Phylogeny in Polychaeta and Related Taxa; Proceedings of two ISSI Workshops, 18–22 October 1999 and 15–19 May 2000, Bern, Switzerland
Recently, evidence has been accumulated which shows that some of the groups formerly regarded as independent "phyla" such as Pogonophora (now recognized as Siboglinidae), Echiura, Myzostomida and perhaps Sipuncula, are most probably nothing else than greatly modified Annelida. The extreme morphological diversity found especially in Polychaeta displays the plasticity of a simple segmented organisation that basically is nothing else but a serial repetition of identical units. Thus, annelids are highly important to our understanding of fundamental questions about morphological and adaptive diversity, as well as clarifying evolutionary changes and phylogenetic relationships. The book aims to summarize our knowledge on Polychaetes polychaetes and their allies and gives an overview of recent advances gained by studies that employed conventional and modern methods plus, increasingly and importantly, the use of molecular markers and computer-assisted kinship analyses. It also reflects the state of art in polychaete sciences and presents new questions and controversies. As such it will significantly influence the direction of research on Polychaeta and their related taxa.
Monograph of the Spathidiida (Ciliophora, Haptoria) ; Vol. I : Protospathidiidae, Arcuospathidiidae, Apertospathulidae
The present monograph carefully revises the taxonomy, nomenclature, and ecology of all nominal species and shows that spathidiid diversity has been greatly underestimated. Based on the reinvestigation of described species with modern methods (silver impregnation, scanning electron microscopy) and the first description of over 50 new species, the family Spathidiidae is split into four families and 20 genera. Each species is described and figured in detail, making it unnecessary to go back to the original literature often difficult to obtain. Two identification keys are provided, viz., one for taxonomists and another, simple key for users not specifically trained in ciliate taxonomy.
Monitoring Nature Conservation in Cultural Habitats : A Practical Guide and Case Studies
Monitoring Nature Conservation in Cultural Habitats presents monitoring as an integral component of responsible conservation management and as a catalyst for decision making. The early sections of the book cover key areas in the development of a monitoring project, including: - The roles of survey and surveillance - Incorporating knowledge from existing research - Identifying the conservation priority on sites - Minimising observer error - Identifying site-specific condition indicators for habitats - Collecting monitoring data The later sections of the book comprise a series of case studies covering a wide range of habitats and species. These case studies focus mostly, though not exclusively, on sites that form part of the Natura 2000 series in Europe.
