Substrate specificity of the Ogg1 protein of Saccharomyces cerevisiae: excision of guanine lesions produced in DNA by ionizing radiation- or hydrogen peroxide/metal ion-generated free radicals.

abstract：:The investigation of RNA structure, dynamics and biological function often requires the site-specific incorporation of non-natural moieties. Here we describe the functionalization of RNA transcripts by aldehyde-hydrazine chemistry using a simple initiator nucleotide that carries an acetal-protected aldehyde function. ...

journal_title：Nucleic acids research

authors： Pfander S,Fiammengo R,Kirin SI,Metzler-Nolte N,Jäschke A

更新日期：2007-01-01 00:00:00

abstract：:We have established a sensitive, monoclonal antibody (Mab)-based procedure permitting the selective enrichment of sequences containing the miscoding alkylation product O6-ethylguanine (O6-EtGua) from mammalian DNA. H5 rat hepatoma cells were reacted with the N-nitroso carcinogen N-ethyl-N-nitrosourea in vitro, to give...

journal_title：Nucleic acids research

authors： Hochleitner K,Thomale J,Nikitin AYu,Rajewsky MF

更新日期：1991-08-25 00:00:00

abstract：:Slime mold, plant and insect dihydropyrimidine amidohydrolases (DHPases, EC 3.5.2.2), which catalyze the second step of pyrimidine and several anti-cancer drug degradations, were cloned and shown to functionally replace a defective DHPase enzyme in the yeast Saccharomyces kluyveri. The yeast and slime mold DHPases wer...

journal_title：Nucleic acids research

authors： Gojkovic Z,Rislund L,Andersen B,Sandrini MP,Cook PF,Schnackerz KD,Piskur J

更新日期：2003-03-15 00:00:00

abstract：:Terminal deoxynucleotidyl transferase, which requires a single-stranded DNA primer under the usual assay conditions, can be made to accept double-stranded DNA as primer for the addition of either rNMP or dNMP, if Mg+2 ion is replaced by Co+2 ion. The priming efficiency in the presence of (C leads to) CO+2 ion with res...

journal_title：Nucleic acids research

authors： Roychoudhury R,Jay E,Wu R

更新日期：1976-01-01 00:00:00

abstract：:mRNA expression involves transcription initiation, elongation and degradation. In cells, these dynamic processes are highly regulated. However, experimental characterization of the dynamic processes in vivo is difficult due to the paucity of methods capable of direct measurements. We present a highly sensitive and ver...

journal_title：Nucleic acids research

authors： Iyer S,Park BR,Kim M

更新日期：2016-10-14 00:00:00

abstract：:The chicken c-myb gene and the v-myb oncogene transduced by avian myeloblastosis virus (AMV) encode DNA binding transcription activators. The DNA binding domain of AMV v-Myb displays a number of amino acid changes relative to c-Myb; v-Myb proteins in which one or more of three crucial residues in the DNA binding domai...

journal_title：Nucleic acids research

authors： Weston K

更新日期：1992-06-25 00:00:00

abstract：:The repetitive zinc finger domain of transcription factor IIIA binds 5S DNA and 5S RNA with similar affinity. Site directed mutagenesis of the Xenopus borealis somatic 5S RNA gene has been used to produce a series of derivatives of 5S RNA containing local sequence substitutions or sequence deletions. Gel mobility shif...

journal_title：Nucleic acids research

authors： Bogenhagen DF,Sands MS

更新日期：1992-06-11 00:00:00

abstract：:Treatment of responsive cells by interferons (IFNs) induces within a few hours a rise in the concentration of several proteins and mRNAs. In order to characterize these IFN-induced mRNA species, we have cloned in E. coli the cDNA made from a 17-18S poly(A)+ RNA of human fibroblastoid cells (SV80) treated with IFN-beta...

journal_title：Nucleic acids research

authors： Chebath J,Merlin G,Metz R,Benech P,Revel M

更新日期：1983-03-11 00:00:00

abstract：:Efficient transcription from the human immunodeficiency virus (HIV) promoter depends on binding of the viral regulatory protein Tat to a cis-acting RNA regulatory element, TAR. Tat binds at a trinucleotide bulge located near the apex of the TAR stem-loop structure. An essential feature of Tat-TAR interaction is that t...

journal_title：Nucleic acids research

authors： Aboul-ela F,Karn J,Varani G

更新日期：1996-10-15 00:00:00

abstract：:Peptide nucleic acids (PNAs) can bind to homopurine/homopyrimidine sequences of double-stranded DNA targets in a sequence-specific manner and form [PNA]2/DNA triplexes with single-stranded DNA D-loop structures at the PNA binding sites. These D-loop structures have been found to have a capacity to initiate transcripti...

journal_title：Nucleic acids research

authors： Wang G,Xu X,Pace B,Dean DA,Glazer PM,Chan P,Goodman SR,Shokolenko I

更新日期：1999-07-01 00:00:00

abstract：:In small oocytes of Xenopus species, two sets of 5S RNA genes, oocyte-type and somatic-type, are fully activated. The 5S RNA transcripts are temporarily stored, half in association with TFIIIA to form a 7S particle, the other half in association with tRNA and two proteins (p48 and p43) to form a 42S particle. It has b...

journal_title：Nucleic acids research

authors： Barrett P,Sommerville J

更新日期：1987-11-11 00:00:00

abstract：:The intrinsic stiffness of DNA limits its ability to be bent and twisted over short lengths, but such deformations are required for gene regulation. One classic paradigm is DNA looping in the regulation of the Escherichia coli lac operon. Lac repressor protein binds simultaneously to two operator sequences flanking th...

journal_title：Nucleic acids research

authors： Becker NA,Kahn JD,Maher LJ 3rd

更新日期：2007-01-01 00:00:00

abstract：:We have developed an improved method for photofootprinting in vivo which utilizes the thermostable DNA polymerase from T. aquaticus (Taq) in a primer extension assay. UV light is used to introduce photoproducts into the genomic DNA of intact yeast cells. The photoproducts are then detected and mapped at the nucleotide...

journal_title：Nucleic acids research

authors： Axelrod JD,Majors J

更新日期：1989-01-11 00:00:00

abstract：:Dinucleoside diphosphates of the general type pGpN have been prepared enzymatically using ribonuclease N1. Alkylated uridines or cytidines, which are products of carcinogens acting on nucleic acids, were tested in dinucleoside diphosphates for their ability to stimulate the binding of Ala- or Val-tRNA to ribosomes. O2...

journal_title：Nucleic acids research

authors： Singer B,Pergolizzi RG,Grunberger D

更新日期：1979-04-01 00:00:00

abstract：:Melting of DNA in a segment bounded at both ends by regions of greater stability during electrophoresis in denaturing gradient gels show complex properties, not accommodated with standard melting theory. Compact bands of some DNA molecules become anomalously broadened at the retardation level in a denaturing gradient,...

journal_title：Nucleic acids research

authors： Abrams ES,Murdaugh SE,Lerman LS

更新日期：1995-07-25 00:00:00

abstract：:Type III restriction enzymes have been demonstrated to require two unmethylated asymmetric recognition sites oriented head-to-head to elicit double-strand break 25-27 bp downstream of one of the two sites. The proposed DNA cleavage mechanism involves ATP-dependent DNA translocation. The sequence context of the recogni...

journal_title：Nucleic acids research

authors： Raghavendra NK,Rao DN

更新日期：2004-10-22 00:00:00

abstract：:Fifteen years elapsed between the discovery of the double helix (1953) and the first DNA sequencing (1968). Modern DNA sequencing began in 1977, with development of the chemical method of Maxam and Gilbert and the dideoxy method of Sanger, Nicklen and Coulson, and with the first complete DNA sequence (phage X174), whi...

journal_title：Nucleic acids research

authors： Hutchison CA 3rd

更新日期：2007-01-01 00:00:00

abstract：:We have sequenced the entire human S mu and S gamma 4 immunoglobulin heavy chain class switch regions, and have also completed the sequence of human S epsilon. S mu is composed predominantly of GAGCT and GGGCT pentameric repeats, with these units also being found in S epsilon at a much lower density. S mu-S gamma 4 ma...

journal_title：Nucleic acids research

authors： Mills FC,Brooker JS,Camerini-Otero RD

更新日期：1990-12-25 00:00:00

abstract：:In this paper, we describe a new method for selecting RNA aptamers that cooperatively bind to two specific sites within a target RNA. We designed a selection system in which two RNAs, a target RNA and a RNA pool, were assembled by employing a pre-organized GAAA tetraloop-11-nt receptor interaction. This allows us to s...

journal_title：Nucleic acids research

authors： Shiohara T,Saito H,Inoue T

更新日期：2009-02-01 00:00:00

abstract：:The Department of Energy (DOE) Joint Genome Institute (JGI) is a national user facility with massive-scale DNA sequencing and analysis capabilities dedicated to advancing genomics for bioenergy and environmental applications. Beyond generating tens of trillions of DNA bases annually, the Institute develops and maintai...

journal_title：Nucleic acids research

authors： Grigoriev IV,Nordberg H,Shabalov I,Aerts A,Cantor M,Goodstein D,Kuo A,Minovitsky S,Nikitin R,Ohm RA,Otillar R,Poliakov A,Ratnere I,Riley R,Smirnova T,Rokhsar D,Dubchak I

更新日期：2012-01-01 00:00:00

abstract：:Although subtelomeric regions in humans are heterochromatic, the epigenetic nature of human telomeres remains controversial. This controversy might have been influenced by the confounding effect of subtelomeric regions and interstitial telomeric sequences (ITSs) on telomeric chromatin structure analyses. In addition, ...

journal_title：Nucleic acids research

authors： Cubiles MD,Barroso S,Vaquero-Sedas MI,Enguix A,Aguilera A,Vega-Palas MA

更新日期：2018-03-16 00:00:00

abstract：:We have used heteroduplex analysis to investigate the sequences surrounding the germline C gamma 1 and C gamma 3 genes, and to compare them with those surrounding the C mu gene. We detected an inverted pseudogene 5' to the C gamma 3 gene and 50-65% homologous to it. A 400 bp region of the C gamma 1 and C gamma 3 3' fl...

journal_title：Nucleic acids research

authors： Tyler BM,Adams JM

更新日期：1980-12-11 00:00:00

abstract：:Conditional gene targeting depends on tissue and time specificity of recombination events. Endogenous promoters are often used to drive various transgenic constructs. To avoid the problems associated with reconstituting a specific expression pattern in transgenic animals by this method, we tested the internal ribosome...

journal_title：Nucleic acids research

authors： Lindeberg J,Ebendal T

更新日期：1999-03-15 00:00:00

abstract：:We investigate the mechanistic nature of the Snf2 family protein HARP, mutations of which are responsible for Schimke immuno-osseous dysplasia. Using a single-molecule magnetic tweezers assay, we construct RPA-stabilized DNA bubbles within torsionally constrained DNA to investigate the annealing action of HARP on a ph...

journal_title：Nucleic acids research

authors： Burnham DR,Nijholt B,De Vlaminck I,Quan J,Yusufzai T,Dekker C

更新日期：2017-05-05 00:00:00

abstract：:The synthesis of oligonucleotides (ODNs) containing 5-(N-aminohexyl)carbamoyl-2'-O-methyluridine (D) is described, and thermal stability and resistance to enzymatic hydrolysis of the ODNs are compared with ODNs containing 5-(N-aminohexyl)carbamoyl-2'-deoxyuridine (H). The ODNs containing D and the complementary RNA de...

journal_title：Nucleic acids research

authors： Ito T,Ueno Y,Komatsu Y,Matsuda A

更新日期：2003-05-15 00:00:00

abstract：:Genomic DNA of calf thymus contains 1.5 times as much 5-methylcytosine as similar sperm DNA, but the major EcoRI repeat fragment from satellite I of thymus contains ten times as much 5-methylcytosine as the corresponding fragment from sperm DNA. Restriction enzyme analyses of the total DNA and the satellite I fragment...

journal_title：Nucleic acids research

authors： Sturm KS,Taylor JH

更新日期：1981-09-25 00:00:00

abstract：:The mRNA export complex TREX (TREX) is known to contain Aly, UAP56, Tex1 and the THO complex, among which UAP56 is required for TREX assembly. Here, we systematically investigated the role of each human TREX component in TREX assembly and its association with the mRNA. We found that Tex1 is essentially a subunit of th...

journal_title：Nucleic acids research

authors： Chi B,Wang Q,Wu G,Tan M,Wang L,Shi M,Chang X,Cheng H

更新日期：2013-01-01 00:00:00

abstract：:Rotaviruses are a major cause of acute, often fatal, gastroenteritis in infants and young children world-wide. Virions contain an 11 segment double-stranded RNA genome. Little is known about the cis-acting sequences and structural elements of the viral RNAs. Using a database of 1621 full-length sequences of mammalian ...

journal_title：Nucleic acids research

authors： Li W,Manktelow E,von Kirchbach JC,Gog JR,Desselberger U,Lever AM

更新日期：2010-11-01 00:00:00

abstract：:Mutations in human mitochondrial DNA are often associated with incurable human neuromuscular diseases. Among these mutations, an important number have been identified in tRNA genes, including 29 in the gene MT-TL1 coding for the tRNA(Leu(UUR)). The m.3243A>G mutation was described as the major cause of the MELAS syndr...

journal_title：Nucleic acids research

authors： Karicheva OZ,Kolesnikova OA,Schirtz T,Vysokikh MY,Mager-Heckel AM,Lombès A,Boucheham A,Krasheninnikov IA,Martin RP,Entelis N,Tarassov I

更新日期：2011-10-01 00:00:00

abstract：:DNA mismatches that occur between vector homology arms and chromosomal target sequences reduce gene targeting frequencies in several species; however, this has not been reported in human cells. Here we demonstrate that even a single mismatched base pair can significantly decrease human gene targeting frequencies. In a...

journal_title：Nucleic acids research

authors： Deyle DR,Li LB,Ren G,Russell DW

更新日期：2014-03-01 00:00:00