Database resources of the National Center for Biotechnology Information.

abstract：:The expression pattern and regulatory functions of microRNAs (miRNAs) are intensively investigated in various tissues, cell types and disorders. Differential miRNA expression signatures have been revealed in healthy and unhealthy tissues using high-throughput profiling methods. For further analyses of miRNA signatures...

journal_title：Nucleic acids research

authors： Arefian E,Kiani J,Soleimani M,Shariati SA,Aghaee-Bakhtiari SH,Atashi A,Gheisari Y,Ahmadbeigi N,Banaei-Moghaddam AM,Naderi M,Namvarasl N,Good L,Faridani OR

更新日期：2011-07-01 00:00:00

abstract：:ArrayExpress is a public repository for microarray data that supports the MIAME (Minimum Information About a Microarray Experiment) requirements and stores well-annotated raw and normalized data. As of November 2004, ArrayExpress contains data from approximately 12,000 hybridizations covering 35 species. Data can be s...

journal_title：Nucleic acids research

authors： Parkinson H,Sarkans U,Shojatalab M,Abeygunawardena N,Contrino S,Coulson R,Farne A,Lara GG,Holloway E,Kapushesky M,Lilja P,Mukherjee G,Oezcimen A,Rayner T,Rocca-Serra P,Sharma A,Sansone S,Brazma A

更新日期：2005-01-01 00:00:00

abstract：:Expression of the wild-type p53 tumor suppressor gene has been found to play an important role in the regulation of cellular proliferation and differentiation. In addition, in many transformed cells and primary tumors, the gene has undergone allelic deletions and mutant forms of the p53 gene are expressed at elevated ...

journal_title：Nucleic acids research

authors： Reisman D,Rotter V

更新日期：1993-01-25 00:00:00

abstract：:X chromosome inactivation results in the cis-limited inactivation of most, but not all, genes on one of the two X chromosomes in mammalian females. The molecular basis for inactivation is unknown. In order to examine the transcriptional activity of human X-linked genes, a series of mouse-human somatic cell hybrids und...

journal_title：Nucleic acids research

authors： Brown CJ,Flenniken AM,Williams BR,Willard HF

更新日期：1990-07-25 00:00:00

abstract：:The human mitochondrial translation apparatus, which synthesizes the core subunits of the oxidative phosphorylation system, is of central interest as mutations in several genes encoding for mitoribosomal proteins or translation factors cause severe human diseases. Little is known, how this complex machinery assembles ...

journal_title：Nucleic acids research

authors： Lavdovskaia E,Kolander E,Steube E,Mai MM,Urlaub H,Richter-Dennerlein R

更新日期：2018-09-19 00:00:00

abstract：:We have developed an improved and rapid genomic engineering procedure for the construction of custom-designed microorganisms. This method, which can be performed in 2 days, permits restructuring of the Escherichia coli genome via markerless deletion of selected genomic regions. The deletion process was mediated by a s...

journal_title：Nucleic acids research

authors： Yu BJ,Kang KH,Lee JH,Sung BH,Kim MS,Kim SC

更新日期：2008-08-01 00:00:00

abstract：:Eukaryotic elongation factor 1 A (eEF1A, formerly elongation factor-1 alpha) is an important component of the protein synthesis apparatus. Here we report the isolation and characterization of the cDNA sequence encoding rabbit eEF1A-2, an isoform of eEF1A, as well as a structural and functional comparison of the two ra...

journal_title：Nucleic acids research

authors： Kahns S,Lund A,Kristensen P,Knudsen CR,Clark BF,Cavallius J,Merrick WC

更新日期：1998-04-15 00:00:00

abstract：:R spider is a web-based tool for the analysis of a gene list using the systematic knowledge of core pathways and reactions in human biology accumulated in the Reactome and KEGG databases. R spider implements a network-based statistical framework, which provides a global understanding of gene relations in the supplied ...

journal_title：Nucleic acids research

authors： Antonov AV,Schmidt EE,Dietmann S,Krestyaninova M,Hermjakob H

更新日期：2010-07-01 00:00:00

abstract：:The Human Disease Ontology (DO) (http://www.disease-ontology.org), database has undergone significant expansion in the past three years. The DO disease classification includes specific formal semantic rules to express meaningful disease models and has expanded from a single asserted classification to include multiple-...

journal_title：Nucleic acids research

authors： Schriml LM,Mitraka E,Munro J,Tauber B,Schor M,Nickle L,Felix V,Jeng L,Bearer C,Lichenstein R,Bisordi K,Campion N,Hyman B,Kurland D,Oates CP,Kibbey S,Sreekumar P,Le C,Giglio M,Greene C

更新日期：2019-01-08 00:00:00

abstract：:The Yeast Protein Localization database (YPL.db) contains information about the localization patterns of yeast proteins resulting from microscopic analyses. The data and parameters of the experiments to obtain the localization information, together with images from confocal or video microscopy, are stored in a relatio...

journal_title：Nucleic acids research

authors： Habeler G,Natter K,Thallinger GG,Crawford ME,Kohlwein SD,Trajanoski Z

更新日期：2002-01-01 00:00:00

abstract：:The deoxyoligonucleotide 5' AATCGGGCATGGATT (15-mer) was synthesized containing 12 phosphoramidate linkages derived from 2 primary and 2 secondary amines. The oligonucleotides were purified by reverse phase HPLC and characterized by PAGE. The thermal stability of the duplexes derived from these compounds, when hybridi...

journal_title：Nucleic acids research

authors： Froehler B,Ng P,Matteucci M

更新日期：1988-06-10 00:00:00

abstract：:The RDM1 gene encodes a RNA recognition motif (RRM)-containing protein involved in the cellular response to the anti-cancer drug cisplatin in vertebrates. We previously reported a cDNA encoding the full-length human RDM1 protein. Here, we describe the identification of 11 human cDNAs encoding RDM1 protein isoforms. Th...

journal_title：Nucleic acids research

authors： Messaoudi L,Yang YG,Kinomura A,Stavreva DA,Yan G,Bortolin-Cavaillé ML,Arakawa H,Buerstedde JM,Hainaut P,Cavaillé J,Takata M,Van Dyck E

更新日期：2007-01-01 00:00:00

abstract：:Human artificial chromosomes (HACs) provide a unique opportunity to study kinetochore formation and to develop a new generation of vectors with potential in gene therapy. An investigation into the structural and the functional relationship in centromeric tandem repeats in HACs requires the ability to manipulate repeat...

journal_title：Nucleic acids research

authors： Ebersole T,Okamoto Y,Noskov VN,Kouprina N,Kim JH,Leem SH,Barrett JC,Masumoto H,Larionov V

更新日期：2005-09-01 00:00:00

abstract：:Structured RNA molecules form complex 3D architectures stabilized by multiple interactions involving the nucleotide base, sugar and phosphate moieties. A significant percentage of the bases in structured RNA molecules in the Protein Data Bank (PDB) hydrogen-bond with phosphates of other nucleotides. By extracting and ...

journal_title：Nucleic acids research

authors： Zirbel CL,Sponer JE,Sponer J,Stombaugh J,Leontis NB

更新日期：2009-08-01 00:00:00

abstract：:Magnetic tweezers are a powerful single-molecule technique that allows real-time quantitative investigation of biomolecular processes under applied force. High pulling forces exceeding tens of picoNewtons may be required, e.g. to probe the force range of proteins that actively transcribe or package the genome. Frequen...

journal_title：Nucleic acids research

authors： Janissen R,Berghuis BA,Dulin D,Wink M,van Laar T,Dekker NH

更新日期：2014-10-01 00:00:00

abstract：:In vitro repair of single strand breaks in T4 and phage DNA caused by 32p decay was studied. Zone centrifugation procedure showed that polynucleotide kinase, ligase enzyme system failed to repair 32P-damages. It was found that damaged DNA contained gaps and could be repaired by DNA-polymerase I, polynucleotide ligase ...

journal_title：Nucleic acids research

authors： Fodor I,Matvienko NI,Zlotnikov KM,Tanyashin VI,Solonin AS,Bayev AA

更新日期：1975-05-01 00:00:00

abstract：:Smad proteins transduce signals from transforming growth factor-beta (TGF-beta) receptors and regulate transcription of target genes. TGF-beta is implicated in the regulation of the smooth muscle cell specific gene SM22alpha, but little is known about how Smads are involved in SM22alpha gene transcription. In this rep...

journal_title：Nucleic acids research

authors： Chen S,Kulik M,Lechleider RJ

更新日期：2003-02-15 00:00:00

abstract：:Prior work has indicated that an octanucleotide [5'TATAAGTA(+1)3'] sequence is used as a promoter in yeast mitochondria. Two such sequences (FP1 and FP2) are present upstream of the tRNA(fMet)-RNAse P RNA -tRNA(Pro) gene cluster but only the FP1 promoter but not the FP2 appears to be active in vivo and in vitro. The r...

journal_title：Nucleic acids research

authors： Biswas TK

更新日期：1991-11-11 00:00:00

abstract：:A human term placental cDNA library was screened at low stringency with a human prolactin cDNA probe. One of the cDNAs isolated hybridizes to a 1.8 kb mRNA present in all four tissues of the placenta as well as to every nucleated tissue and cell line tested. The sequence of the full-length cDNA was determined. An exte...

journal_title：Nucleic acids research

authors： Liebhaber SA,Emery JG,Urbanek M,Wang XK,Cooke NE

更新日期：1990-07-11 00:00:00

abstract：:The extrusion kinetics of two cruciforms derived from unrelated DNA sequences differ markedly. Kinetic barriers exist for both reactions, necessitating elevated temperatures before extrusion proceeds at measureable speeds, but the dependence upon temperature and ionic strength is quite different for the two sequences....

journal_title：Nucleic acids research

authors： Lilley DM

更新日期：1985-03-11 00:00:00

abstract：:Escherichia coli mRNA translation is facilitated by sequences upstream and downstream of the initiation codon, called Shine-Dalgarno (SD) and downstream box (DB) sequences, respectively. In E.coli enhancing the complementarity between the DB sequences and the 16S rRNA penultimate stem resulted in increased protein acc...

journal_title：Nucleic acids research

authors： Kuroda H,Maliga P

更新日期：2001-02-15 00:00:00

abstract：:FIMM database (http://sdmc.krdl.org.sg:8080/fimm) contains data relevant to functional molecular immunology, focusing on cellular immunology. It contains fully referenced data on protein antigens, major histocompatibility complex (MHC) molecules, MHC-associated peptides and relevant disease associations. FIMM has a se...

journal_title：Nucleic acids research

authors： Schönbach C,Koh JL,Flower DR,Wong L,Brusic V

更新日期：2002-01-01 00:00:00

abstract：:Oligoribonucleotides containing a 5'-phosphorothiolate linkage have provided effective tools to study the mechanisms of RNA catalysis, allowing resolution of kinetic ambiguity associated with mechanistic dissection and providing a strategy to establish linkage between catalysis and specific functional groups. However,...

journal_title：Nucleic acids research

authors： Li NS,Frederiksen JK,Koo SC,Lu J,Wilson TJ,Lilley DM,Piccirilli JA

更新日期：2011-03-01 00:00:00

abstract：:The Diatom Expressed Sequence Tag (EST) Database was constructed to provide integral access to ESTs from these ecologically and evolutionarily interesting microalgae. It has now been updated with 130,000 Phaeodactylum tricornutum ESTs from 16 cDNA libraries and 77,000 Thalassiosira pseudonana ESTs from seven libraries...

journal_title：Nucleic acids research

authors： Maheswari U,Mock T,Armbrust EV,Bowler C

更新日期：2009-01-01 00:00:00

abstract：:Mutations in mammalian and Drosophila Hel308 and PolQ paralogues cause genome instability but their helicase functions are mysterious. By in vivo and in vitro analysis, we show that Hel308 from archaea (Hel308a) may act at stalled replication forks. Introducing hel308a into Escherichia coli dnaE strains that condition...

journal_title：Nucleic acids research

authors： Guy CP,Bolt EL

更新日期：2005-06-30 00:00:00

abstract：:Alternative first exons diversify the transcriptomes of eukaryotes by producing variants of the 5' Untranslated Regions (5'UTRs) and N-terminal coding sequences. Accurate transcriptome-wide detection of alternative first exons typically requires specialized experimental approaches that are designed to identify the 5' ...

journal_title：Nucleic acids research

authors： Qin Z,Stoilov P,Zhang X,Xing Y

更新日期：2018-05-04 00:00:00

abstract：:We have examined the behaviour of the beta-interferon promoter in mouse F9 embryonal carcinoma cells. In undifferentiated cells, the beta-interferon promoter is not responsive to dsRNA or to Sendai virus. In cells stimulated to differentiate into parietal endoderm by treatment with retinoic acid, the beta-interferon p...

journal_title：Nucleic acids research

authors： Ellis MJ,Goodbourn S

更新日期：1994-10-25 00:00:00

abstract：:Small RNA (sRNA)-mediated gene silencing phenomena, exemplified by RNA interference (RNAi), require a unique class of proteins called Argonautes (AGOs). An AGO protein typically forms a protein-sRNA complex that contributes to gene silencing using the loaded sRNA as a specificity determinant. Here, we show that MoAGO2...

journal_title：Nucleic acids research

authors： Nguyen Q,Iritani A,Ohkita S,Vu BV,Yokoya K,Matsubara A,Ikeda KI,Suzuki N,Nakayashiki H

更新日期：2018-03-16 00:00:00

abstract：:An effective tool for the global analysis of both DNA methylation status and protein-chromatin interactions is a microarray constructed with sequences containing regulatory elements. One type of array suited for this purpose takes advantage of the strong association between CpG Islands (CGIs) and gene regulatory regio...

journal_title：Nucleic acids research

authors： Heisler LE,Torti D,Boutros PC,Watson J,Chan C,Winegarden N,Takahashi M,Yau P,Huang TH,Farnham PJ,Jurisica I,Woodgett JR,Bremner R,Penn LZ,Der SD

更新日期：2005-05-23 00:00:00

abstract：:The thermal stabilities of RNA:DNA hybrids are substantially greater than those of DNA:DNA duplexes in aqueous electrolyte solutions containing high concentrations of formamide. Association rates to form DNA:DNA duplexes and DNA:RNA hybrids have been measured in these solvents. There is a temperature range in which DN...

journal_title：Nucleic acids research

authors： Casey J,Davidson N

更新日期：1977-01-01 00:00:00