Studies on the mechanism of DNA cleavage by ethidium.

abstract：:BioModels Database (http://www.ebi.ac.uk/biomodels/), part of the international initiative BioModels.net, provides access to published, peer-reviewed, quantitative models of biochemical and cellular systems. Each model is carefully curated to verify that it corresponds to the reference publication and gives the proper...

journal_title：Nucleic acids research

authors： Le Novère N,Bornstein B,Broicher A,Courtot M,Donizelli M,Dharuri H,Li L,Sauro H,Schilstra M,Shapiro B,Snoep JL,Hucka M

更新日期：2006-01-01 00:00:00

abstract：:We present the complete sequence of an mRNA which is induced by estrogen in the human breast cancer cell line MCF-7 [pS2 mRNA, Masiakowski et al., Nucleic Acids Res. 10, 7895-7903 (1982)]. Primer extension and cloning of double-stranded cDNA (ds-cDNA) into a vector designed to make full-length cDNA were used to determ...

journal_title：Nucleic acids research

authors： Jakowlew SB,Breathnach R,Jeltsch JM,Masiakowski P,Chambon P

更新日期：1984-03-26 00:00:00

abstract：:The histone methyl transferase Suv39H1 is involved in silencing by pericentric heterochromatin. It specifically methylates K9 of histone H3, thereby creating a high affinity binding site for HP1 proteins. We and others have shown recently that it is also involved in transcriptional repression by the retinoblastoma pro...

journal_title：Nucleic acids research

authors： Vaute O,Nicolas E,Vandel L,Trouche D

更新日期：2002-01-15 00:00:00

abstract：:Nucleic acid double helices are stabilized by hydrogen bonding and stacking forces (a combination of hydrophobic, dispersive and electrostatic forces) of the base pairs in the helix. One would predict the hydrogen bonding contributions to increase and the stacking contributions to decrease as the water activity in the...

journal_title：Nucleic acids research

authors： Sen A,Nielsen PE

更新日期：2007-01-01 00:00:00

abstract：:A method to purify histone groups H2A+H2B and H3+H4 using dissociation with NaCl and hydroxylapatite chromatography is presented. The procedure is simple, involves mild solvents, and provides milligram quantities of histones of high purity. The histone pairs prepared by this method can regenerate chromatin-like charac...

journal_title：Nucleic acids research

authors： Simon RH,Felsenfeld G

更新日期：1979-02-01 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：:Three endonuclease activities have been partially purified from Saccharomyces cerevisiae on the basis of their activity against x-irradiated closed-circular supercoiled bacteriophage PM2 DNA. These endonucleases also nick apurinic DNA and two out of the three activities incise DNA UV-irradiated with high doses. The en...

journal_title：Nucleic acids research

authors： Armel PR,Wallace SS

更新日期：1978-09-01 00:00:00

abstract：:We have demonstrated that the DNA sequence between two triplex-forming polypurine.polypyrimidine (Pu.Py) tracts was protected from DNA modifying enzymes upon formation of triplex DNA structures with an oligodeoxyribonucleotide in which two triplex-forming Pu or Py tracts were placed at the termini (triplex-bridge form...

journal_title：Nucleic acids research

authors： Kiyama R,Oishi M

更新日期：1995-02-11 00:00:00

abstract：:Chromosome conformation-capture technologies are widely used in 3D genomics; however, experimentally, such methods have high-noise limitations and, therefore, require significant bioinformatics efforts to extract reliable distal interactions. Miscellaneous undesired linear DNAs, present during proximity-ligation, repr...

journal_title：Nucleic acids research

authors： Kong S,Li Q,Zhang G,Li Q,Huang Q,Huang L,Zhang H,Huang Y,Peng Y,Qin B,Zhang Y

更新日期：2020-05-07 00:00:00

abstract：:A small cloned DNA segment previously shown to contain all genetic information for the expression of the tRNA1met gene of Xenopus laevis was cleaved into an anterior and posterior portion by Hae III restriction. Both restriction fragments were cloned in pCR1 using EcoRI linkers. Starting from these tDNA subclones, a s...

journal_title：Nucleic acids research

authors： Kressmann A,Hofstetter H,Di Capua E,Grosschedl R,Birnstiel ML

更新日期：1979-12-11 00:00:00

abstract：:DNA methylation, the most intensively studied epigenetic modification, plays an important role in understanding the molecular basis of diseases. Furthermore, epigenome-wide association study (EWAS) provides a systematic approach to identify epigenetic variants underlying common diseases/phenotypes. However, there is n...

journal_title：Nucleic acids research

authors： Liu D,Zhao L,Wang Z,Zhou X,Fan X,Li Y,Xu J,Hu S,Niu M,Song X,Li Y,Zuo L,Lei C,Zhang M,Tang G,Huang M,Zhang N,Duan L,Lv H,Zhang M,Li J,Xu L,Kong F,Feng R,Jiang Y

更新日期：2019-01-08 00:00:00

abstract：:HbVar (http://globin.bx.psu.edu/hbvar) is one of the oldest and most appreciated locus-specific databases launched in 2001 by a multi-center academic effort to provide timely information on the genomic alterations leading to hemoglobin variants and all types of thalassemia and hemoglobinopathies. Database records incl...

journal_title：Nucleic acids research

authors： Giardine B,Borg J,Viennas E,Pavlidis C,Moradkhani K,Joly P,Bartsakoulia M,Riemer C,Miller W,Tzimas G,Wajcman H,Hardison RC,Patrinos GP

更新日期：2014-01-01 00:00:00

abstract：:The class II genes of the major histocompatibility complex (MHC) encode a family of cell surface glycoproteins that present processed antigen to the T cell receptor. Class II genes are regulated coordinately, responding to both immunologic and developmental signals. Conserved sequence elements 5' to class II genes hav...

journal_title：Nucleic acids research

authors： Hasegawa SL,Sloan JH,Reith W,Mach B,Boss JM

更新日期：1991-03-25 00:00:00

abstract：:Riboswitches are important gene regulatory elements frequently encountered in bacterial mRNAs. The recently discovered nadA riboswitch contains two similar, tandemly arrayed aptamer domains, with the first domain possessing high affinity for nicotinamide adenine dinucleotide (NAD+). The second domain which comprises t...

journal_title：Nucleic acids research

authors： Chen H,Egger M,Xu X,Flemmich L,Krasheninina O,Sun A,Micura R,Ren A

更新日期：2020-12-02 00:00:00

abstract：:Proteins are highly dynamic molecules, whose function is intrinsically linked to their molecular motions. Despite the pivotal role of protein dynamics, their computational simulation cost has led to most structure-based approaches for assessing the impact of mutations on protein structure and function relying upon sta...

journal_title：Nucleic acids research

authors： Rodrigues CH,Pires DE,Ascher DB

更新日期：2018-07-02 00:00:00

abstract：:Ribosomal protein L4 of Escherichia coli regulates expression of its own eleven gene S10 operon both by inhibiting translation and by stimulating premature termination of transcription. Both regulatory processes presumably involve L4 recognition of the S10 leader RNA. To help define L4's regulatory target, we have inv...

journal_title：Nucleic acids research

authors： Zengel JM,Lindahl L

更新日期：1993-05-25 00:00:00

abstract：:Escherichia coli seryl-tRNA synthetase (SerRS) is a homo-dimeric class II aminoacyl-tRNA synthetase. Each subunit is composed of two distinct domains: the N-terminal domain is a 60 A long, arm-like coiled coil structure built up of two antiparallel alpha-helices, whereas the C-terminal domain, the catalytic core, is a...

journal_title：Nucleic acids research

authors： Vincent C,Borel F,Willison JC,Leberman R,Härtlein M

更新日期：1995-04-11 00:00:00

abstract：:Comparative analysis of mutants using transfection is complicated by clones exhibiting variable levels of gene expression due to copy number differences and genomic position effects. Recombinase-mediated cassette exchange (RMCE) can overcome these problems by introducing the target gene into pre-determined chromosomal...

journal_title：Nucleic acids research

authors： Wong ET,Kolman JL,Li YC,Mesner LD,Hillen W,Berens C,Wahl GM

更新日期：2005-10-04 00:00:00

abstract：:This work seeks to remedy two deficiencies in the current nucleic acid nanotechnology software environment: the lack of both a fast and user-friendly visualization tool and a standard for structural analyses of simulated systems. We introduce here oxView, a web browser-based visualizer that can load structures with ov...

journal_title：Nucleic acids research

authors： Poppleton E,Bohlin J,Matthies M,Sharma S,Zhang F,Šulc P

更新日期：2020-07-09 00:00:00

abstract：:The nucleotide sequence of the control region of the divergent argECBH operon has been established in the wild type and in mutants affecting expression of these genes. The argE and argCBH promoters face each other and overlap with an operator region containing two domains which may act as distinct repressor binding si...

journal_title：Nucleic acids research

authors： Piette J,Cunin R,Boyen A,Charlier D,Crabeel M,Van Vliet F,Glansdorff N,Squires C,Squires CL

更新日期：1982-12-20 00:00:00

abstract：:Using the quenched flow technique the mechanism of seryl tRNA synthetase action has been investigated with respect to the presteady state kinetics of individual steps. Under conditions where the strong binding sites of the enzyme are nearly saturated and the steady state turnover number is about 1 s-1, rate constants ...

journal_title：Nucleic acids research

authors： Dibbelt L,Pachmann U,Zachau HG

更新日期：1980-09-11 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 bacteriophage Mu A and B genes, which lie adjacent to each other and are colinear on the phage genome, encode proteins that catalyze efficient transposition of Mu DNA. We show that the molar ratio of A and B proteins is approximately 1:20 in extracts prepared after induction of cells containing a Mu lysogen or a p...

journal_title：Nucleic acids research

authors： Parsons RL,Harshey R

更新日期：1988-12-09 00:00:00

abstract：:The DNA-binding protein RdgC has been identified as an inhibitor of RecA-mediated homologous recombination in Escherichia coli. In Neisseria species, RdgC also has a role in virulence-associated antigenic variation. We have previously solved the crystal structure of the E. coli RdgC protein and shown it to form a toro...

journal_title：Nucleic acids research

authors： Briggs GS,Yu J,Mahdi AA,Lloyd RG

更新日期：2010-10-01 00:00:00

abstract：:We report here the discovery of HMBP, a protein in nuclei of human T-helper lymphocytes and other human cell types, which binds with enhanced affinity to a promoter element in the HIV-1 long terminal repeat when that element is methylated at CpGs, the target site of the human DNA methyltransferase. This promoter eleme...

journal_title：Nucleic acids research

authors： Joel P,Shao W,Pratt K

更新日期：1993-12-11 00:00:00

abstract：:In many eukaryotic mRNAs one or more short 'upstream' open reading frames, uORFs, precede the initiator of the main coding sequence. Upstream ORFs are functionally diverse as illustrated by their variety of features in polyamine pathway biosynthetic mRNAs. Their propensity to act as sensors for regulatory circuits and...

journal_title：Nucleic acids research

authors： Ivanov IP,Atkins JF,Michael AJ

更新日期：2010-01-01 00:00:00

abstract：:Chromosomes in vertebrates are protected at both ends by telomere DNA composed of tandem (TTAGGG)n repeats. DNA replication produces a blunt-ended leading strand telomere and a lagging strand telomere carrying a single-stranded G-rich overhang at its end. The G-rich strand can form G-quadruplex structure in the presen...

journal_title：Nucleic acids research

authors： Kan ZY,Lin Y,Wang F,Zhuang XY,Zhao Y,Pang DW,Hao YH,Tan Z

更新日期：2007-01-01 00:00:00

abstract：:Arylsulfatase, produced by Chlamydomonas reinhardtii during sulfur-limited growth, is secreted into the periplasmic space and is readily assayed using a chromogenic substrate. To assess the usefulness of the gene encoding arylsulfatase (ars) as a reporter gene in C. reinhardtii, we have fused the promoter region of th...

journal_title：Nucleic acids research

authors： Davies JP,Weeks DP,Grossman AR

更新日期：1992-06-25 00:00:00

abstract：:Ribosomes transit between two conformational states, non-rotated and rotated, through the elongation cycle. Here, we present evidence that an internal loop in the essential yeast ribosomal protein rpL10 is a central controller of this process. Mutations in this loop promote opposing effects on the natural equilibrium ...

journal_title：Nucleic acids research

authors： Sulima SO,Gülay SP,Anjos M,Patchett S,Meskauskas A,Johnson AW,Dinman JD

更新日期：2014-02-01 00:00:00

abstract：:Translation initiation of eukaryotic mRNAs generally occurs by cap-dependent ribosome scanning. However, certain mRNAs contain internal ribosome entry sites (IRES) allowing cap-independent translation. Several of these IRES-competent transcripts and their corresponding proteins are involved in tumourigenesis. This stu...

journal_title：Nucleic acids research

authors： Petz M,Kozina D,Huber H,Siwiec T,Seipelt J,Sommergruber W,Mikulits W

更新日期：2007-01-01 00:00:00