Comparative genomics is the cornerstone of identification of gene functions. The immense number of living organisms precludes experimental identification of functions except in a handful of model organisms. The bacterial domain is split into large branches, among which the Firmicutes occupy a consid... | PMID: 19383706

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Making sense of rapidly evolving evidence on genetic associations is crucial to making genuine advances in human genomics and the eventual integration of this information in the practice of medicine and public health. Assessment of the strengths and weaknesses of this evidence, and hence the ability... | PMID: 19189221

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PMID: 16889463

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Multivariate genetic research suggests that a single set of genes affects most cognitive abilities and disabilities. This finding already has far-reaching implications for cognitive neuroscience, and will become even more revealing when this - presumably large - set of generalist genes is identified... | PMID: 16563732

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We describe the structure of DNA and genes and explain in detail the central dogma of molecular biology, that is, the flow of genetic information from DNA via RNA to polypeptide (protein). In addition, several basic and frequently used general molecular tools, such as restriction enzymes, Southern b... | PMID: 16388390

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PMID: 16239464

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The purpose of this study was to identify the relationships between 42 parents' and their offsprings' performance on a rapid tapping task. It was expected that genetic predispositions would gradually limit children's performance on a tapping task as they matured chronologically. Four different age g... | PMID: 16383097

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We present a novel procedure to map nutrient-dependent epigenetic marks in the entire genomes of any given species: the combined use of chromatin immunoprecipitation assays and DNA microarrays. This procedure is also an excellent tool to map the enzymes that mediate modifications of DNA and DNA-bind... | PMID: 15681164

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PMID: 15926428

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PMID: 15583203

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We have performed a proteome-wide analysis of sumoylated substrate proteins in yeast. Employing the powerful affinity purification of Protein A-Smt3 (Smt3 is the yeast homologue of SUMO-1) from yeast lysates in combination with tandem liquid chromatography mass spectrometry, we have isolated potenti... | PMID: 15292183

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This article reviews some of the basic principles of genetics to provide a foundation for understanding the application of genetics to medical practice. Definitions of terms that appear here in italics can be found in the on-line, illustrated glossary at www.genetests.org. | PMID: 15331242

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We examined the requirements for a reference conceptual model to guide semantic integration based on the systemic principles. In the present paper, we examine the usefulness of the Unified Modelling Language (UML) to describe and specify biological systems and processes. This makes unambiguous repre... | PMID: 15245800

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We performed high-resolution FISH analysis of 18 NF1 microdeleted patients with the aims of mapping non-recurrent deletion breakpoints and verifying the presence of additional recombination-prone architectural motifs. This approach allowed us to obtain the sequence of the first junction fragment of... | PMID: 15103551

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We analyse the evolution of the assortment of encounters through active choice of companions among individuals that interact cooperatively in a situation of mutual benefit. Using a simple mathematical model, we show that mutual benefit can favour the evolution of a preference to interact with indivi... | PMID: 15066420

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We show that the bacteriophage T4 enzymes RNA ligase 1 and polynucleotide kinase/phosphatase can fulfill the tRNA and HAC1 mRNA splicing functions of yeast Trl1 in vivo and bypass the requirement for Tpt1. These results attest to the portability of RNA-repair systems, notwithstanding the significant... | PMID: 14973195

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Cell cycle checkpoints are the surveillance mechanisms monitoring both the fidelity and accuracy of DNA replication and the segregation of chromosomes. By delaying progression through the cell cycle, checkpoints provide more time for repair before the critical phases of DNA replication and ensure th... | PMID: 15039892

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PMID: 14631064

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We are currently developing a prototype system to automate the process of retrieval of functional information from multiple on-line sources.... | PMID: 14728346

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A broad spectrum of assisted reproductive technologies has become available for couples with fertility problems. Follow-up studies of children born as a result of assisted reproduction have shown that neonatal outcome and malformation rates are not different from those of the general population, exc... | PMID: 12351517

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Functional modeling of human genes and diseases requires suitable mammalian model organisms. For its genetic malleability, the mouse is likely to continue to play a major role in defining basic genetic traits and complex pathological disorders. Recently, gene targeting techniques have been extended... | PMID: 12422227

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