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This book provides a detailed view of the molecular structures of DNA and RNA and how they are recognised by small molecules and proteins. Extensive source material is provided, including information on relevant web sites and computer programmes. The major methods of structural investigation for nucleic acids: X-ray crystallography, NMR, and molecular modelling are reviewed and their scope and limitations (in the context of nucleic acids) discussed. Also covered are the conformational features of nucleic acid building blocks, including a description of how base-pair morphologies are analysed; the structures of DNA double helices and helical oligonucleotides, emphasising current ideas on sequence-dependent structure; and DNA-DNA interactions, including triplexes and quadruplexes. The principles of RNA folding, ribosome, and ribozyme structure are also surveyed. Both covalent and non-covalent nucleic acid interactions with small molecules are described, with the emphasis on recognition principles and sequence specific gene recognition. The principles of protein - nucleic acid are covered, focussing on regulatory proteins. Nucleic Acid Structure and Recognition will therefore equip readers with a good understanding of all the important aspects of this major field. The Nucleic Acid Database (NDB) crystallographic and NMR structures for the nucleic acid structures described in the book are freely available through the Nucleic Acid Structure and Recognition website.

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This book provides a detailed view of the molecular structures of DNA and RNA and how they are recognised by small molecules and proteins. Extensive source material is provided, including information on relevant web sites and computer programmes. The major methods of structural investigation for nucleic acids: X-ray crystallography, NMR, and molecular modelling are reviewed and their scope and limitations (in the context of nucleic acids) discussed. Also covered are the conformational features of nucleic acid building blocks, including a description of how base-pair morphologies are analysed; the structures of DNA double helices and helical oligonucleotides, emphasising current ideas on sequence-dependent structure; and DNA-DNA interactions, including triplexes and quadruplexes. The principles of RNA folding, ribosome, and ribozyme structure are also surveyed. Both covalent and non-covalent nucleic acid interactions with small molecules are described, with the emphasis on recognition principles and sequence specific gene recognition. The principles of protein - nucleic acid are covered, focussing on regulatory proteins. Nucleic Acid Structure and Recognition will therefore equip readers with a good understanding of all the important aspects of this major field. The Nucleic Acid Database (NDB) crystallographic and NMR structures for the nucleic acid structures described in the book are freely available through the Nucleic Acid Structure and Recognition website.

Gene Delivery into Mammalian Cells: An Overview on Existing Approaches Employed In Vitro and In Vivo, by Peter Hahn and Elizabeth Scanlan*Strategies for the Preparation of Synthetic Transfection Vectors, by Asier Unciti-Broceta, Matthew N. Bacon, and Mark Bradley*Cationic Lipids: Molecular Structure/Transfection Activity Relationships and Interactions with Biomembranes, by Rumiana Koynova and Boris Tenchov*Hyperbranched Polyamines for Transfection, by Wiebke Fischer, Marcelo Calderon, and Rainer Haag*Carbohydrate Polymers for Nonviral Nucleic Acid Delivery, by Antons Sizovs, Patrick M. McLendon, Sathya Srinivasachari,and Theresa M. Reineke*Cationic Liposome–Nucleic Acid Complexes for Gene Delivery and Silencing: Pathways and Mechanisms for Plasmid DNA and siRNA, by Kai K. Ewert, Alexandra Zidovska, Ayesha Ahmad, Nathan F. Bouxsein, Heather M. Evans, Christopher S. McAllister, Charles E. Samuel, and Cyrus R. Safinya*Chemically Programmed Polymers for Targeted DNA and siRNA Transfection, by Eveline Edith Salcher and Ernst Wagner*Photochemical Internalization: A New Tool for Gene and Oligonucleotide Delivery, by Kristian Berg, Maria Berstad, Lina Prasmickaite, Anette Weyergang, Pål K. Selbo, Ida Hedfors, and Anders Høgset*Visualizing Uptake and Intracellular Trafficking of Gene Carriers by Single-Particle Tracking, by N. Ruthardt and C. Bräuchle

Nucleic Acids presents an up-to-date and comprehensive account of the structures and physical chemistry properties of nucleic acids, with special emphasis on biological function. With a targeted audience of 1)molecular biologists, 2)physical biochemists, and 3)physical chemists, the book has been carefully organized to reach three different audiences while requiring only introductory physical chemistry and molecular biology as prerequisites. Nucleic Acids will serve as a textbook in physical biochemistry and biophysical chemistry classes, as well as a supplemental text in courses on nucleic acid biochemistry or molecular biology, and as a personal reference for students and researchers in these fields.

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Nucleic Acids presents an up-to-date and comprehensive account of the structures and physical chemistry properties of nucleic acids, with special emphasis on biological function. With a targeted audience of 1)molecular biologists, 2)physical biochemists, and 3)physical chemists, the book has been carefully organized to reach three different audiences while requiring only introductory physical chemistry and molecular biology as prerequisites. Nucleic Acids will serve as a textbook in physical biochemistry and biophysical chemistry classes, as well as a supplemental text in courses on nucleic acid biochemistry or molecular biology, and as a personal reference for students and researchers in these fields.

Gene Delivery into Mammalian Cells: An Overview on Existing Approaches Employed In Vitro and In Vivo, by Peter Hahn and Elizabeth Scanlan*Strategies for the Preparation of Synthetic Transfection Vectors, by Asier Unciti-Broceta, Matthew N. Bacon, and Mark Bradley*Cationic Lipids: Molecular Structure/Transfection Activity Relationships and Interactions with Biomembranes, by Rumiana Koynova and Boris Tenchov*Hyperbranched Polyamines for Transfection, by Wiebke Fischer, Marcelo Calderon, and Rainer Haag*Carbohydrate Polymers for Nonviral Nucleic Acid Delivery, by Antons Sizovs, Patrick M. McLendon, Sathya Srinivasachari,and Theresa M. Reineke*Cationic Liposome–Nucleic Acid Complexes for Gene Delivery and Silencing: Pathways and Mechanisms for Plasmid DNA and siRNA, by Kai K. Ewert, Alexandra Zidovska, Ayesha Ahmad, Nathan F. Bouxsein, Heather M. Evans, Christopher S. McAllister, Charles E. Samuel, and Cyrus R. Safinya*Chemically Programmed Polymers for Targeted DNA and siRNA Transfection, by Eveline Edith Salcher and Ernst Wagner*Photochemical Internalization: A New Tool for Gene and Oligonucleotide Delivery, by Kristian Berg, Maria Berstad, Lina Prasmickaite, Anette Weyergang, Pål K. Selbo, Ida Hedfors, and Anders Høgset*Visualizing Uptake and Intracellular Trafficking of Gene Carriers by Single-Particle Tracking, by N. Ruthardt and C. Bräuchle

New textbooks at all levels of chemistry appear with great regularity. Some fields like basic biochemistry, organic reaction mechanisms, and chemical ther­ modynamics are well represented by many excellent texts, and new or revised editions are published sufficiently often to keep up with progress in research. However, some areas of chemistry, especially many of those taught at the grad­ uate level, suffer from a real lack of up-to-date textbooks. The most serious needs occur in fields that are rapidly changing. Textbooks in these subjects usually have to be written by scientists actually involved in the research which is advancing the field. It is not often easy to persuade such individuals to set time aside to help spread the knowledge they have accumulated. Our goal, in this series, is to pinpoint areas of chemistry where recent progress has outpaced what is covered in any available textbooks, and then seek out and persuade experts in these fields to produce relatively concise but instructive introductions to their fields. These should serve the needs of one semester or one quarter graduate courses in chemistry and biochemistry. In some cases the availability of texts in active research areas should help stimulate the creation of new courses. CHARLES R. CANTOR New York Preface This monograph is based on a review on polynucleotide structures written for a book series in 1976.

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When the first edition of this book was published in 1950, it predated the publication of the double-helical structure of DNA by three years. It is not, therefore, surprizing that nothing of the original book remains in the current edition. Indeed, such is the pace of change in the field of nucleic acids that less than 50% of material incorporated into the 1986 edition has been retained. The book aims at the advanced undergraduate and at graduates that are undertaking course work or requiring an in-depth background for their research. It also aims to provide the established scientist with a single text that permits updating across the whole field from DNA structure, replication and repair, through gene expression and its control to protein synthesis. Every chapter is accompanied by thorough referencing that enables the reader to evaluate personally the data and methodology that cannot be included in the text. In an attempt to keep this list within bounds, references are limited to about ten per page and, to accommodate the more recent literature, many of the older references have been left out in this latest edition.

In recent years, unprecedented advances in many aspects of the molecular biology of nucleic acids have been witnessed. The area of RNA chemistry has undergone a kind of explosion, with a huge interest in RNA-mediated catalysis. At the same time, our structural understanding of DNA-protein interactions has increased enormously, and the related area of RNA-protein interactions is beginning to gather pace. This softcover edition from the successful series Nucleic Acids and Molecular Biology is devoted to the structure and mechanism of ribozymes, and their potential exploitation. The subject has both important evolutionary implications and potential practical application in the development of therapeutic agents for diseases such as AIDS.

The development of PCR, which enables extremely small amounts of DNA to be amplified, led to the rapid development of a multiplicity of a- lytical procedures to utilize this new resource for analysis of genetic variation and for the detection of disease causing mutations. The advent of capillary electrophoresis (CE), with its power to separate and analyze very small amounts of DNA, has also stimulated researchers to develop analytical procedures for the CE format. The advantages of CE in terms of speed and reproducibility of analysis are manifold. Further, the high sensitivity of detection, and the ab- ity to increase sample throughput with parallel analysis, has led to the creation of a full range of analysis of DNA molecules, from modified DNA-adducts and single–strand oligonucleotides through to PCR-amplified DNA fragments and whole chromosomes. Capillary Electrophoresis of Nucleic Acids focuses on such analytical protocols, which can be used for detection and analysis of mutations and modification, from precise DNA loci through to entire genomes of organisms. Important practical considerations for CE, such as the choice of separation media, electrophoresis conditions, and the influence of buffer additives and dyes on DNA mobility, are discussed in several key chapters and within particular applications.

Assembling the work of an international panel of researchers, Mass Spectrometry of Nucleosides and Nucleic Acids summarizes and reviews the latest developments in the field and provides a window on the next generation of analysis. Beginning with an overview of recent developments, the book highlights the most popular ionization methods and illustrates the diversity of strategies employed in the characterization and sequencing of DNA and RNA oligomers, nucleosides, nucleotides, and adducts. It describes studies performed on deoxyinosine and its analogues and provides an introduction to tandem mass spectrometry (MS/MS).Next, the contributors examine mass spectrometric application in the study of cyclic nucleotides in biochemical signal transduction. They analyze urinary modified nucleosides and explore DNA adducts. They discuss isotope labeling of DNA-mass spectrometry (ILD-MS) and examine various uses of electrospray ionization mass spectrometry (ESI-MS). The book reviews recent progress in the direct MS characterization of noncovalent nucleic acid-protein complexes, explores the interaction and ionization of guanidine-derived compounds with highly acidic biomolecules, and examines quantitative identification of nucleic acids via signature digestion products detected using mass spectrometry.The book describes a direct-infusion ESI-MS approach that can serve as a screening technique for the presence of modified nucleosides from small RNAs. Lastly, it discusses the LC-MS/MS method for the in vitro replication studies on damage-containing DNA substrates, and concludes with an examination of the influence of metal ions on the structure and reactivity of nucleic acids.The exciting developments in mass spectrometry technology have fueled incredible advances in our understanding of nucleic acids and their complexes. The contributions presented in this volume capture the range of these advances, helping to inspire new findings a

Who will buy this book? University students and scientists in the biological sciences. DNA, RNA and proteins are undoubtedly the most important biological molecules. Being large macromolecules, their physical, chemical and biological properties can differ dramatically from those of the monomers from which they are made. Described here are their primary, secondary, tertiary and quaternary structures; their evolutionary origins; their unfolding and refolding; their chemical synthesis and manipulation; their physical interactions with other molecules, which often result in catalysis of chemical reactions in one or both of them; and the various ways in which the catalytic activities of enzymes are controlled and regulated. Colour is used liberally throughout the volume to enhance the many illustrations.

The development of PCR, which enables extremely small amounts of DNA to be amplified, led to the rapid development of a multiplicity of a- lytical procedures to utilize this new resource for analysis of genetic variation and for the detection of disease causing mutations. The advent of capillary electrophoresis (CE), with its power to separate and analyze very small amounts of DNA, has also stimulated researchers to develop analytical procedures for the CE format. The advantages of CE in terms of speed and reproducibility of analysis are manifold. Further, the high sensitivity of detection, and the ab- ity to increase sample throughput with parallel analysis, has led to the creation of a full range of analysis of DNA molecules, from modified DNA-adducts and single–strand oligonucleotides through to PCR-amplified DNA fragments and whole chromosomes. Capillary Electrophoresis of Nucleic Acids focuses on such analytical protocols, which can be used for detection and analysis of mutations and modification, from precise DNA loci through to entire genomes of organisms. Important practical considerations for CE, such as the choice of separation media, electrophoresis conditions, and the influence of buffer additives and dyes on DNA mobility, are discussed in several key chapters and within particular applications.

It was one of the greatest mysteries of mankind: how are traits passed from parent to child? Although philosophers and scientists from the earliest civilizations recognized that offspring carried traits from both parents, nobody understood the process responsible for heredity. It wasn't until a shy young Swiss chemist stumbled upon a new substance that the mystery began to be literally unraveled. Friedrich Miescher came from a distinguished family of physicians but turned to research for his life's work, worried that a hearing impairment would make it difficult to treat patients properly. Although Miescher would discover the key to heredity, nucleic acid, it would be many years before the importance of his discovery was fully appreciated. This book tells the great scientific detective story that resulted in the ultimate unveiling of deoxyribonucleic acid, or DNA, as the genetic material responsible for heredity.

Assembling the work of an international panel of researchers, Mass Spectrometry of Nucleosides and Nucleic Acids summarizes and reviews the latest developments in the field and provides a window on the next generation of analysis. Beginning with an overview of recent developments, the book highlights the most popular ionization methods and illustrates the diversity of strategies employed in the characterization and sequencing of DNA and RNA oligomers, nucleosides, nucleotides, and adducts. It describes studies performed on deoxyinosine and its analogues and provides an introduction to tandem mass spectrometry (MS/MS).Next, the contributors examine mass spectrometric application in the study of cyclic nucleotides in biochemical signal transduction. They analyze urinary modified nucleosides and explore DNA adducts. They discuss isotope labeling of DNA-mass spectrometry (ILD-MS) and examine various uses of electrospray ionization mass spectrometry (ESI-MS). The book reviews recent progress in the direct MS characterization of noncovalent nucleic acid-protein complexes, explores the interaction and ionization of guanidine-derived compounds with highly acidic biomolecules, and examines quantitative identification of nucleic acids via signature digestion products detected using mass spectrometry.The book describes a direct-infusion ESI-MS approach that can serve as a screening technique for the presence of modified nucleosides from small RNAs. Lastly, it discusses the LC-MS/MS method for the in vitro replication studies on damage-containing DNA substrates, and concludes with an examination of the influence of metal ions on the structure and reactivity of nucleic acids.The exciting developments in mass spectrometry technology have fueled incredible advances in our understanding of nucleic acids and their complexes. The contributions presented in this volume capture the range of these advances, helping to inspire new findings a

The study of the interactions of proteins, whether they be enzymes, regulatory proteins or structural proteins, with nucleic acids is one of the most exciting areas of modern molecular biology. In this 1993 text, Professor Steitz reviews the wide-ranging research in structural studies of DNA-binding proteins and their complexes with DNA. The author clearly and concisely describes the uses of techniques in molecular genetics, DNA synthesis, protein crystallography and nuclear magnetic response. The book, by a now Nobel Prize-winning author, will continue to be enjoyed by anyone with an interest in this exciting area of research.

Probablistic models are becoming increasingly important in analyzing the huge amount of data being produced by large-scale DNA-sequencing efforts such as the Human Genome Project. For example, hidden Markov models are used for analyzing biological sequences, linguistic-grammar-based probabilistic models for identifying RNA secondary structure, and probabilistic evolutionary models for inferring phylogenies of sequences from different organisms. This book gives a unified, up-to-date and self-contained account, with a Bayesian slant, of such methods, and more generally to probabilistic methods of sequence analysis. Written by an interdisciplinary team of authors, it is accessible to molecular biologists, computer scientists, and mathematicians with no formal knowledge of the other fields, and at the same time presents the state of the art in this new and important field.