This guide covers aspects of designing microarray experiments and analysing the data generated, including information on some of the tools that are available from non--commercial sources. Concepts and principles underpinning gene expression analysis are emphasised and wherever possible, the mathematics has been simplified. The guide is intended for use by graduates and researchers in bioinformatics and the life sciences and is also suitable for statisticians who are interested in the approaches currently used to study gene expression.* Microarrays are an automated way of carrying out thousands of experiments at once, and allows scientists to obtain huge amounts of information very quickly* Short, concise text on this difficult topic area* Clear illustrations throughout* Written by well--known teachers in the subject* Provides insight into how to analyse the data produced from microarrays

This book combines linguistic and historical approaches with the latest techniques of DNA analysis and shows the insights these offer for every kind of genealogical research. It focuses on British names, tracing their origins to different parts of the British Isles and Europe and revealing how names often remain concentrated in the districts where they first became established centuries ago. In the process the book casts fresh light on the ancient peopling of the British Isles. The authors consider why some names die out while others spread across the globe. They use recent advances in DNA testing to investigate whether particular surnames have single, dual, or multiple origins, and to find out if the various forms of a single name have a common origin. They show how information from DNA can be combined with historical evidence and techniques to distinguish between individuals with the same name and different names with similar spellings, and to identifty the name of the same individual or family spelt in various ways in different times and places. The final chapter of this paperback edition, looking at the use of genetics in historical research, has been updated to include new work on the DNA of Richard III.

Exploring Genome's Junkyard: In the Labyrinth of Evolution narrates the progress of biological evolution, beginning with the conceptual introspection of gene and continuing with the contemporary understanding of the structural and function aspects of the human genome. Recent advances in human genome research have led scientists to the term "biological dark matter," which refers to genetic material whose functionalities are not yet properly understood. Such "dark matter" has been recognized as non-coding, or "junk DNA," and non-coding RNA, which was thought to be devoid of protein encrypting potential but contained 98-99% of the human genome. The mysteries of missing genes from its "Dark DNA" region are a hotbed of recurrent mutations. Hence, the presence of "missing genes" in evolutionary sibling species has indicated that the "missing genes" are not really missing but rather hidden in the mutational hotbeds of "Dark DNA" where they have steered the continuation of life's evolutionary journey.

Recent developments in behavioural neuroscience and genomics are providing exciting new tools for understanding mammalian evolution. Drawing on a range of disciplines including genomic reprogramming, immunology, genomic imprinting, placentation and brain development, this book examines the leading role played by the mother's genome and epigenome in the successful evolutionary progression of humans from ancestral mammals. Keverne begins by discussing the historic context of the perceived dominance of males and the patriline, before arguing that it is instead the matriline that exerts the dominant influence in shaping the evolution of our brain development and behaviour, especially the co-adaptive development of brain and placenta. Presenting a balanced outlook on the development of sex differences and an alternative to traditional views, Beyond Sex Differences will be of interest to anyone studying and researching mother and infant development.

This book opens with a discussion on the clinical applications of comet assay. Comet assay is rapid, simple method which able to assess DNA damage in different samples like blood, cells and tissues. Following this, the authors examine comet assay usage in occupational toxicology studies. Isolated lymphocytes were the most used cell line in these studies, but exfoliated cells such as nasal and buccal cell, liver, kidney and sperm cells may be used. Comet assay may also be used to detect nanoparticles-associated DNA damage. As such, this compilation assesses potential limitations due to the interaction of the nanoparticles with the method. Next, to shed light on the mechanisms of the DNA track formation, the authors apply an original approach based on the kinetic measurements in the comet assay, arguing that in neutral conditions at low levels of DNA damages, the comet tail is formed by extended DNA loops. New applications of the comet assay are described for the detection of aberrant DNA methylation, which is a promising marker in cancer diagnosis and follow-up. The authors go on to describe and analyse the results of in vitro treatment of lymphocytes with insecticide using comet assay under alkaline and neutral conditions, testing the commercial product Calypso (R) 480SC and its active agent thiacloprid at concentrations of 30; 60; 120; 240 and 480 g.ml-1. In one study, Helianthus annuus (sunflower) seedlings were irrigated with Hoagland solution containing different concentrations of AlCl3. Morphological parameters such as germination rate and stoma number are evaluated. Additionally, the genotoxic effects of endosulfan pesticide at different times and in different concentrations in wheat leaf samples are analyzed in two-week old wheat seedlings in an effort to demonstrate that endosulfan is a genotoxic agent causing DNA breaks in wheat. In the closing chapter, the correlation between the comet assay parameters, cell viability, and hydroquinone concentration is explored. The relationship between comet assay and remaining hydroquinone after fungal treatment is also investigated in order to evaluate its biodegradation efficiency.

Forensic DNA analysis plays a central role in the judicial system. A DNA sample can change the course of an investigation with immense consequences. Because DNA typing is recognized as the epitome of forensic science, increasing public awareness in this area is vital. Through several cases, examples and illustrations, this book explains the basic principles of forensic DNA typing, and how it integrates with law enforcement investigations and legal decisions. Written for a general readership, Understanding Forensic DNA explains both the power and the limitations of DNA analysis. This book dispels common misunderstandings regarding DNA analysis and shows how astounding match probabilities such as one-in-a-trillion are calculated, what they really mean, and why DNA alone never solves a case.

Polyploidy plays an important role in biological diversity, trait improvement, and plant species survival. Understanding the evolutionary phenomenon of polyploidy is a key challenge for plant and crop scientists. This book is made up of contributions from leading researchers in the field from around the world, providing a truly global review of the subject. Providing broad-ranging coverage, and up-to-date information from some of the world's leading researchers, this book is an invaluable resource for geneticists, plant and crop scientists, and evolutionary biologists.

The earth's daily rotation affects just about every living creature. From dawn through to dusk, there are changes in light, temperature, humidity, and rainfall. However, these changes are regular, rhythmic and, therefore, predictable. Thus, the near 24 hour circadian rhythm is innate: a genetically programmed clock that essentially ticks of its own accord. This Very Short Introduction explains how organisms can "know" the time and reveals what we now understand of the nature and operation of chronobiological processes. Covering variables such as light, the metabolism, human health, and the seasons, Foster and Kreitzman illustrate how jet lag and shift work can impact on human well-being, and consider circadian rhythms alongside a wide range of disorders, from schizophrenia to obesity. ABOUT THE SERIES: The Very Short Introductions series from Oxford University Press contains hundreds of titles in almost every subject area. These pocket-sized books are the perfect way to get ahead in a new subject quickly. Our expert authors combine facts, analysis, perspective, new ideas, and enthusiasm to make interesting and challenging topics highly readable.

A plasmid is a DNA molecule that is separate from, and can replicate independently of, the chromosomal DNA. They are double-stranded and circular in form. Plasmids usually occur naturally in bacteria, but are sometimes found in eukaryotic organisms. In this book, the authors present current research in the genetics, applications and health issues relating to plasmids. Topics include the development of multifunctional plasmids for diverse biotechnological applications; plasmids as indispensable components of multipartite azospirillum genomes; structural and segregational instability in plasmid biology; and conjugal plasmid transfer and phage inhibition kinetics.

Chromatin is DNA plus the proteins (and RNA) that package DNA within the cell nucleus. The primary functions of chromatin are: to package DNA into a smaller volume to fit in the cell, to strengthen the DNA to allow mitosis and meiosis and prevent DNA damage, and to control gene expression and DNA replication. In this book, the authors present topical research in the study of chromatin including the varied functions of aurora kinases A and B in mitosis and carcinogenesis; the chromatin state of pluripotent stem cells; MITF meets chromatin in melanoma; the state of chromatin as an integrative indicator of cell stress; analysing DNA damage and its repair throughout entire genomes; the cloning process, structural characterisation of Revolver transposon and its patented application for chromosome tags; DNA damage and Rad16; and glucocorticoid-induced chromatin remodelling.

Gene silencing is a general term describing the epigenetic processes of gene regulation. The term gene silencing is generally used to describe the "switching off" of a gene by a mechanism other than genetic modification. This book reviews research in the study of gene silencing including RNA silencing in transgenic plants and mycorrhizal research, gene silencing in the CNS and on the most extensively studied systems to mediate siRNA and shRNA delivery into the brain, siRNA delivery strategies as a therapeutic tool in gene therapy, galectin-3 epigenetics and effective methods for selecting siRNA sequences by using the average silencing probability and a hidden Markov model.

Stem cells are cells found in all multi cellular organisms. They are characterised by the ability to renew themselves through mitotic cell division and differentiate into a diverse range of specialised cell types. This book presents and discusses current research in the study of stem cell research, including cancer and prostate stem cells; neural stem cells and taurine; interactions between transplanted neural stem cells and host tissue; retrovirus vector silencing in stem cells and moral and scientific consideration in embryonic stem cell research.

Several problems in modern genome mapping analysis belong to the field of discrete optimisation on a set of all possible orders. In this book, formulations, mathematical models and algorithms for genetic/genomic mapping problem that can be formulated in TSP-like terms are proposed. Since the 1960s, Operational Research techniques have extensively been developed to support organisations in their Manpower Planning challenge -- a fundamental aspect of Human Resource Management in organisations. This book reviews the techniques and alternative approaches that have been introduced in Manpower Planning (e.g., simulation techniques), and in general, the Markov Chain Theory. Furthermore, the authors of this book propose a new class of strategies for giving the optimal inventory replenishments for each retailer. In addition, the authors demonstrate how to increase the usage of iterative methods in all possible fields by accelerating such solvers using Reconfigurable Hardware. An optimisation method for material layout of incompressible rubber components is presented as well. Other chapters in this book use a generic approach to study minimisation problems on a complete metric space, provide a novel design method in the case of an output feedback suboptimal control problem, derive Levy process-based models of jump diffusion-type for banking operations involving securitisation, capital and profitability, and investigate the optimality of the loan securitisation process that has had a prominent role to play in the sub-prime mortgage crisis (SMC).

This book presents the basic results on studies of the interaction of anti-cancer Actinomycin antibiotics with DNA. It focuses on interactions of heterocyclic anti-tumour antibiotics (Actinomycins, as typical example) with DNA, poly-nucleotides, oligonucleotides, and aggregates of purines, using spectroscopic methods. Experimental data, various models of structures of the complexes and their physical and chemical properties are described, and possible approaches for delivery of heterocyclic antibiotics to DNA are also discussed.

Telomerase is a ribonucleoprotein enzyme that catalyses the cellular synthesis of telomeric DNA during cellular division, resulting in maintenance of telomere length and increased proliferative potential. Several studies suggest that the telomerase may play an important role in the diagnosis and prognosis of cancer because its expression strongly correlates with the potential tumour progression. Ninety percent of human cancers on different organs have shown high telomerasa activity. This book reviews research in the field of telomerase including functions of telomerase independent of its interaction with telomeres on gene expression and chromatin structure; histone deacetylase inhibition as an anticancer telomerase-targeting strategy and others.

Organic europium complexes are of considerable interest due to their sharp narrow emission spectrum and potentially high emission quantum efficiency, originated from 2D0-7F2 electronic transitions of the central ions. Therefore, organic europium complexes have well applications in organic light-emitting diodes. Furthermore, organic europium complexes also show well electrical switching characteristics in diodes, potential applications as memory devices in information storage. This book reviews the achieved progresses in organic europium complexes and their applications in organic light-emitting diodes and memory devices.

Genome stability of every species depends on complex interaction of predefined and environmentally induced genetic and epigenetic states. Predefined states consist of chromatin structure and cell metabolic processes such as DNA repair, radical scavenging and cell signalling, whereas induced states depend on interactions with the environment. Organisms are able to respond to a changing environment by various alterations in their somatic cells as well as in their germline and progeny. In this book, we will describe various phenomena associated with the maintenance of genome stability. These include genetic and epigenetic responses to various stresses in exposed cells and organisms, bystander and, bystander-like effects, transgenerational changes in genome stability and stress tolerance in bacteria, plants and animals.

On September 11, 2001, 2,792 people were killed in terrorist attacks on the World Trade Center (WTC) in New York City. The number of victims, the condition of their remains, and the duration of the recovery effort made the identification of the victims the most difficult ever undertaken by the forensic community in this country. In response to this need, the National Institute of Justice (NIJ), the research, development, and evaluation agency of the U.S. Department of Justice, brought together a group of experts to provide advice and support throughout the identification effort. Called the Kinship and Data Analysis Panel (KADAP), the group made recommendations on new forensic technologies, tools, policies, and procedures to help identify those who perished in the WTC attack. This book contains the KADAP's "lessons learned," particularly regarding DNA protocols, laboratory techniques, and statistical approaches, in the DNA identification of WTC victims. It is written primarily for the Nation's forensic laboratory directors and other officials who may be responsible for organising and managing the DNA identification response to a mass fatality incident. This book discusses the incorporation of DNA identification into a mass fatality disaster plan, including how to: Establish laboratory policies and procedures, including the creation of sample collection documents. Assess the magnitude of an identification effort, and identify and acquire resources to respond.

Ribonucleotide reductase (RNR), a universal enzyme present in essentially all living cells and organisms, has a central role in DNA replication and repair by catalysing production of deoxyribonucleotides from the corresponding ribonucleotides. Three major classes of RNRs are known, differing in their cofactor requirements: class I RNRs (with subclasses Ia and Ib) carry a stable tyrosyl radical and are oxygen-dependent, class II RNRs require the vitamin B12 cofactor 5'-deoxyadenosylcobalamin and are oxygen-independent, and class III RNRs carry a stable glycyl radical and are oxygen-sensitive. Despite these differences, all classes have a similar reaction mechanism and the same highly specific catalytic core structure, indicating that they evolved from a common ancestor. Biochemical studies of RNRs from selected model organisms in combination with the vast number of deduced RNR sequences from publicly available complete genomic sequences show that whereas eukaryotes and their viruses with few exceptions contain only class Ia RNRs, all three major RNR classes are found among prokaryotes and bacteriophages and quite often one organism encodes more than one class of RNR. They are compiled in an open access database, called RNRdb for Ribonucleotide Reductase database that is available at http://rnrdb.molbio.su.se. RNRs are produced in a strictly controlled way depending upon growth phase and environmental cues. The authors describe a comprehensive summary of how the expression of RNR genes is regulated in several eubacterial organisms and in yeast. Due to RNR's importance for the realisation of DNA replication, it has been recognised as a possible target for antiproliferative therapy. The authors present a comprehensive summary of RNR-specific inhibitors that have reached clinical trials and/or are currently used in clinical therapy.

DNA damage, due to environmental factors and normal metabolic processes inside the cell, occurs at a rate of 1,000 to 1,000,000 molecular lesions per cell per day. While this constitutes only 0.000165% of the human genome's approximately 6 billion bases (3 billion base pairs), unrepaired lesions in critical genes (such as tumour suppresser genes) can impede a cell's ability to carry out its function and appreciably increase the likelihood of tumour formation. The vast majority of DNA damage affects the primary structure of the double helix; that is, the bases themselves are chemically modified. These modifications can in turn disrupt the molecules' regular helical structure by introducing non-native chemical bonds or bulky adducts that do not fit in the standard double helix. Unlike proteins and RNA, DNA usually lacks tertiary structure and therefore damage or disturbance does not occur at that level. DNA is, however, supercoiled and wound around "packaging" proteins called histones (in eukaryotes), and both superstructures are vulnerable to the effects of DNA damage. This book presents the latest research in the field.

As a major defence against environmental damage to cells DNA repair is present in all organisms including bacteria, yeast, drosophila, fish, amphibians, rodents and humans. DNA repair is involved in processes that minimise cell killing, mutations, replication errors, persistence of DNA damage and genomic instability. Abnormalities in these processes have been implicated in cancer and ageing. This book presents leading-edge research from around the world in this frontal field.

The advancement of DNA sequencing technologies has resulted in a movement away from the single gene, and towards a whole genome focus. Previously DNA sequencing was expensive, slow and tedious, but new technologies have been developed that facilitate the relatively cheap and rapid generation of raw sequence from whole bacterial genomes. The sequencing of the human genome was also accelerated in the final phases as a result of new sequencing methods. However, generating the raw sequence is just the start, and tools are required to convert it into useful biological knowledge. This book highlights the new advances in DNA sequencing, and summarises the process of genome and protein annotation. The book also describes the tools required to achieve this, and provides examples within the context of specific genomes.

Deoxyribonucleic acid (DNA) is a chemical found primarily in the nucleus of cells. DNA is a long, spiralling molecule that orchestrates the cell's daily operations and provides the genetic blueprint for the physical characteristics of all living organisms. It is the molecule that encodes genetic information in the nucleus of cells. It determines the structure, function and behaviour of the cell. DNA is made up of two complementary strands, the strands intertwine like a spiral staircase to form a structure called a double helix. Subunits, called bases, are the rungs of the staircase. The four nucleotides in DNA contain the bases: adenine (A), guanine (G), cytosine (C), and thymine (T). This book presents leading-edge research in this dynamic field.

Gene silencing is a general term describing epigenetic processes of gene regulation. The term gene silencing is generally used to describe the 'switching off' of a gene by a mechanism other than genetic mutation. That is, a gene which would be expressed (turned on) under normal circumstances, is switched off by machinery in the cell. Genes are regulated at either the transcriptional or post-transcriptional level. Transcriptional gene silencing is the result of histone modifications, creating an environment of heterochromatin around a gene that makes it inaccessible to transcriptional machinery (RNA polymerase, transcription factors, etc.). Post-transcriptional gene silencing is the result of mRNA of a particular gene being destroyed. The destruction of the mRNA prevents translation to form an active gene product (in most cases, a protein). A common mechanism of post-transcriptional gene silencing is RNAi. Both transcriptional and post-transcriptional gene silencing are used to regulate endogenous genes. This book presents the latest research in this important field.

Genomics is the study of the entire human genome. Genomics explores not only the actions of single genes, but also the interactions of multiple genes with each other and with the environment. As a result, genomics has great potential for improving the health of the public. However, realizing the benefits of genomics requires a systematic evaluation of its potential contributions and an understanding of the information necessary to facilitate the translation of research findings into public health strategies. In October 2004, the Institute of Medicine convened a workshop to discuss major scientific and policy issues related to genomics and public health, examine major supports for and challenges to the translation of genetic research into population health benefits, and suggest approaches for the integration of genomic information into strategies for promoting health and preventing disease. Implications of Genomics for Public Health summarizes the discussions and presentations from this workshop. Table of Contents Front Matter 1 Introduction 2 Workshop Presentations 3 Priorities Appendix A: Glossary Appendix B: Biosketches Appendix C: Workshop Agenda