Conserved elements with potential to form polymorphic G-quadruplex structures in the first intron of human genes.

abstract：:A new class of synthetic DNA duplexes containing repeating oligonucleotide sequences, double-helical concatemers, is characterized. The UV-absorption and circular dichroism of a concatemer formed in self-association of d(T-G-C-A-C-A-T-G) have been studied. The thermodynamical parameters of complex formation are the fo...

journal_title：Nucleic acids research

authors： Shabarova ZA,Dolinnaya NG,Turkin SI,Gromova ES

更新日期：1980-06-11 00:00:00

abstract：:The widespread applications of various 'omics' technologies in biomedical research together with the emergence of public data repositories have resulted in a plethora of data sets for almost any given physiological state or disease condition. Properly combining or integrating these data sets with similar basic hypothe...

journal_title：Nucleic acids research

authors： Xia J,Fjell CD,Mayer ML,Pena OM,Wishart DS,Hancock RE

更新日期：2013-07-01 00:00:00

abstract：:DNA swivel (nicking-rejoining) enzyme activity has been studied in various cell fractions of a human lymphoid cell line. Swivel activity is found only in chromatin and in a nuclear membrane fraction containing DNA and possessing endogenous DNA synthesizing activity. Twenty percent of the total swivel activity and less...

journal_title：Nucleic acids research

authors： Yoshida S,Ungers G,Rosenberg BH

更新日期：1977-01-01 00:00:00

abstract：:The modified nucleoside, 7-(4,5-cis-dihydroxy-1-cyclopenten-3-yl-aminomethyl)-7-deazaguanosine, designated as Q, and its derivative, Q*, were found in tRNA's from various organisms, including several mammalian tissues, other animals such as starfish, lingula and hagfish, and wheat germ. Q isolated from rat liver tRNA ...

journal_title：Nucleic acids research

authors： Kasai H,Kuchino Y,Nihei K,Nishimura S

更新日期：1975-10-01 00:00:00

abstract：:Telomerase activity, not detectable in somatic cells but frequently activated during carcinogenesis, confers immortality to tumors. Mechanisms governing expression of the catalytic subunit hTERT, the limiting factor for telomerase activity, still remain unclear. We previously proposed a model in which the binding of t...

journal_title：Nucleic acids research

authors： Renaud S,Loukinov D,Alberti L,Vostrov A,Kwon YW,Bosman FT,Lobanenkov V,Benhattar J

更新日期：2011-02-01 00:00:00

abstract：:Biological networks play increasingly important roles in omics data integration and systems biology. Over the past decade, many excellent tools have been developed to support creation, analysis and visualization of biological networks. However, important limitations remain: most tools are standalone programs, the majo...

journal_title：Nucleic acids research

authors： Zhou G,Xia J

更新日期：2018-07-02 00:00:00

abstract：:In order to systematically analyze the effects of nucleoside modification of sugar moieties in DNA polymerase reactions, we synthesized 16 modified templates containing 2',4'-bridged nucleotides and three types of 2',4'-bridged nucleoside-5'-triphospates with different bridging structures. Among the five types of ther...

journal_title：Nucleic acids research

authors： Kuwahara M,Obika S,Nagashima J,Ohta Y,Suto Y,Ozaki H,Sawai H,Imanishi T

更新日期：2008-08-01 00:00:00

abstract：:Unmethylated CpG rich islands are a feature of vertebrate DNA: they are associated with housekeeping and many tissue specific genes. CpG islands on the active X chromosome of mammals are also unmethylated. However, islands on the inactive X chromosome are heavily methylated. We have identified a CpG island in the 5' r...

journal_title：Nucleic acids research

authors： Alcalay M,Toniolo D

更新日期：1988-10-25 00:00:00

abstract：:Simple modular architecture research tool (SMART) is an online tool (http://smart.embl.de/) for the identification and annotation of protein domains. It provides a user-friendly platform for the exploration and comparative study of domain architectures in both proteins and genes. The current release of SMART contains ...

journal_title：Nucleic acids research

authors： Letunic I,Doerks T,Bork P

更新日期：2009-01-01 00:00:00

abstract：:The alpha/beta-hydrolase fold is characterized by a beta-sheet core of five to eight strands connected by alpha-helices to form a alpha/beta/alpha sandwich. In most of the family members the beta-strands are parallels, but some show an inversion in the order of the first strands, resulting in antiparallel orientation....

journal_title：Nucleic acids research

authors： Hotelier T,Renault L,Cousin X,Negre V,Marchot P,Chatonnet A

更新日期：2004-01-01 00:00:00

abstract：:Not I linking clones contain sequences flanking Not I recognition sites and were previously shown to be tightly associated with CpG islands and genes. To directly assess the value of Not I clones in genome research, high density grids with 50 000 Not I linking clones originating from six representative Not I linking l...

journal_title：Nucleic acids research

authors： Zabarovsky ER,Gizatullin R,Podowski RM,Zabarovska VV,Xie L,Muravenko OV,Kozyrev S,Petrenko L,Skobeleva N,Li J,Protopopov A,Kashuba V,Ernberg I,Winberg G,Wahlestedt C

更新日期：2000-04-01 00:00:00

abstract：:A new procedure has been developed for the efficient cloning of complex PCR mixtures, resulting in libraries exclusively consisting of recombinant clones. Recombinants are generated between PCR products and a PCR-amplified plasmid vector. The procedure does not require the use of restriction enzymes, T4 DNA ligase or ...

journal_title：Nucleic acids research

authors： Aslanidis C,de Jong PJ

更新日期：1990-10-25 00:00:00

abstract：:Bacterial RNase III plays important roles in the processing and degradation of RNA transcripts. A major goal is to identify the cleavage targets of this endoribonuclease at a transcriptome-wide scale and delineate its in vivo cleavage rules. Here we applied to Escherichia coli grown to either exponential or stationary...

journal_title：Nucleic acids research

authors： Altuvia Y,Bar A,Reiss N,Karavani E,Argaman L,Margalit H

更新日期：2018-11-02 00:00:00

abstract：:Termination of protein synthesis is promoted in ribosomes by proper stop codon discrimination by class 1 polypeptide release factors (RFs). A large set of prokaryotic RFs differing in stop codon specificity, RF1 for UAG and UAA, and RF2 for UGA and UAA, was analyzed by means of a recently developed computational metho...

journal_title：Nucleic acids research

authors： Oparina NJ,Kalinina OV,Gelfand MS,Kisselev LL

更新日期：2005-09-14 00:00:00

abstract：:Using synthetic oligodeoxyribonucleotides to prime the transcription of interferon mRNA and cDNA, we recently determined the mRNA sequence coding for the 47 amino-terminal amino acids of mature human fibroblast interferon (1). From this sequence, we have now synthesised an oligodeoxyribonucleotide that is homologous w...

journal_title：Nucleic acids research

authors： Houghton M,Easton MA,Stewart AG,Smith JC,Doel SM,Catlin GH,Lewis HM,Patel TP,Emtage JS,Carey NH,Porter AG

更新日期：1980-07-11 00:00:00

abstract：:During the splicing process, spliceosomal snRNAs undergo numerous conformational rearrangements that appear to be catalyzed by proteins belonging to the DEAD/H-box superfamily of RNA helicases. We have cloned a new RNA helicase gene, designated DBP2 (DEAH-boxprotein), homologous to the Schizosaccaromyces pombe cdc28(+...

journal_title：Nucleic acids research

authors： Imamura O,Saiki K,Tani T,Ohshima Y,Sugawara M,Furuichi Y

更新日期：1998-05-01 00:00:00

abstract：:Polyploidy, the presence of multiple sets of chromosomes that are similar but not identical, complicates both chromosome walking and assembly of sequence-ready contigs for many plant taxa including a large number of economically-significant crops. Traditional 'dot-blot hybridization' or PCR-based assays for identifyin...

journal_title：Nucleic acids research

authors： Lin YR,Draye X,Qian X,Ren S,Zhu LH,Tomkins J,Wing RA,Li Z,Paterson AH

更新日期：2000-04-01 00:00:00

abstract：:Cationic aromatic tricyclic compounds including triphenylmethane dyes, phenazines, phenoxazines, acridines, phenothiazines, phenanthridinium compounds, anthracenes and xanthene dyes, which amplify cell killing in phleomycin-treated Escherichia coli B cells also modified phleomycin-induced breakdown of DNA to acid-solu...

journal_title：Nucleic acids research

authors： Grigg GW,Gero AM,Sasse WH,Sleigh MJ

更新日期：1984-12-11 00:00:00

abstract：:FANTOM DB, the database of Functional Annotation of RIKEN Mouse cDNA Clones, is designed to store sequence information of RIKEN full-length enriched mouse cDNA clones, graphical views of sequence analysis results, curated functional annotation information and additional descriptions, including Gene Ontology terms. RIK...

journal_title：Nucleic acids research

authors： Bono H,Kasukawa T,Furuno M,Hayashizaki Y,Okazaki Y

更新日期：2002-01-01 00:00:00

abstract：:One of the major issues in expression profiling analysis still is to outline proper thresholds to determine differential expression, while avoiding false positives. The problem being that the variance is inversely proportional to the log of signal intensities. Aiming to solve this issue, we describe a model, expressio...

journal_title：Nucleic acids research

authors： Chuchana P,Marchand D,Nugoli M,Rodriguez C,Molinari N,Garcia-Sanz JA

更新日期：2007-01-01 00:00:00

abstract：:AR9 is a giant Bacillus subtilis phage whose uracil-containing double-stranded DNA genome encodes distant homologs of β and β' subunits of bacterial RNA polymerase (RNAP). The products of these genes are thought to assemble into two non-canonical multisubunit RNAPs - a virion RNAP (vRNAP) that is injected into the hos...

journal_title：Nucleic acids research

authors： Sokolova M,Borukhov S,Lavysh D,Artamonova T,Khodorkovskii M,Severinov K

更新日期：2017-06-02 00:00:00

abstract：:The effects of the treatment of cultured human and simian cells with Cadmium (Cd), a toxic and carcinogenic metal, were first assayed on macromolecular synthesis. It was observed that DNA synthesis was inhibited by Cd concentrations considerably lower than those inhibiting protein and RNA synthesis. Because of the nec...

journal_title：Nucleic acids research

authors： Nocentini S

更新日期：1987-05-26 00:00:00

abstract：:Au (III) reacts with DNA at pH 5.6 to form a complex which is sensitive to mid-UV radiation. Cyclobutane pyrimidine dimers are produced at some 15 to 30 times the rate that they are in untreated DNA. The mechanism of photosensitization appears to involve energy absorption by Au-urine and Au-cytosine adducts which can ...

journal_title：Nucleic acids research

authors： Wilkins RJ

更新日期：1978-10-01 00:00:00

abstract：:BsoFI , ItaI and Fsp4HI are isoshizomers of Fnu4HI (5'-GC NGC-3'). Both Fnu4HI and BsoFI have previously been shown to be inhibited by cytosine-specific methylation within the recognition sequence. Fnu4HI is inhibited if either the internal cytosine at position 2 or the external cytosine at position 5 of the restricti...

journal_title：Nucleic acids research

authors： Ramsahoye BH,Burnett AK,Taylor C

更新日期：1997-08-15 00:00:00

abstract：:The structural simplicity and ability to capture serial correlations make Markov models a popular modeling choice in several genomic analyses, such as identification of motifs, genes and regulatory elements. A critical, yet relatively unexplored, issue is the determination of the order of the Markov model. Most biolog...

journal_title：Nucleic acids research

authors： Narlikar L,Mehta N,Galande S,Arjunwadkar M

更新日期：2013-02-01 00:00:00

abstract：:A microchip method has been developed for massive and parallel thermodynamic analyses of DNA duplexes. Fluorescently labeled oligonucleotides were hybridized with oligonucleotides immobilized in the 100 x 100 x 20 mum gel pads of the microchips. The equilibrium melting curves for all microchip duplexes were measured i...

journal_title：Nucleic acids research

authors： Fotin AV,Drobyshev AL,Proudnikov DY,Perov AN,Mirzabekov AD

更新日期：1998-03-15 00:00:00

abstract：:Phosphorylation of the easily accessible 3',5'-diesters 1a-d with diphenyl phosphorochloridate, followed by selective 5'-deacylation, affords the phosphotriester derivatives 2a-d in good yields. Alkaline treatment of 2a-d results in the formation of the 2',3'-cyclic phosphates (3a-d). The usefulness of the phosphotrie...

journal_title：Nucleic acids research

authors： van Boom JH,Burgers PM,Haasnoot CA

更新日期：1976-10-01 00:00:00

abstract：:Human immunodeficiency virus-1 (HIV-1) leader RNA, which contains double-stranded regions due to inverted repeats, was shown to activate the dsRNA-dependent enzymes associated with the interferon system. HIV-1 leader RNA produced in vitro using SP6 RNA polymerase was characterized using probes for antisense and sense-...

journal_title：Nucleic acids research

authors： SenGupta DN,Silverman RH

更新日期：1989-02-11 00:00:00

abstract：:Extracts of the human glioma cell line A1235 (lacking O(6)-methylguanine-DNA methyltransferase) are known to restore a G:T mismatch to a normal G:C pair in a G:T-containing model (45 bp) DNA substrate. Herein we demonstrate that substitution of G:T with O(6)-methylguanine:T (m6G:T) results in extract-induced intra-str...

journal_title：Nucleic acids research

authors： Lari SU,Day RS,Dobler K,Paterson MC

更新日期：2001-06-01 00:00:00

abstract：:We present a new coarse grained method for the simulation of duplex DNA. The algorithm uses a generalized multi-harmonic model that can represent any multi-normal distribution of helical parameters, thus avoiding caveats of current mesoscopic models for DNA simulation and representing a breakthrough in the field. The ...

journal_title：Nucleic acids research

authors： Walther J,Dans PD,Balaceanu A,Hospital A,Bayarri G,Orozco M

更新日期：2020-03-18 00:00:00