Two rotameric forms of open ring 7-methylguanine are present in alkylated polynucleotides.

abstract：:Highly regulated induction systems enabling dose-dependent and reversible fine-tuning of protein expression output are beneficial for engineering complex biosynthetic pathways. To address this, we developed PhiReX, a novel red/far-red light-regulated protein expression system for use in Saccharomyces cerevisiae. PhiRe...

journal_title：Nucleic acids research

authors： Hochrein L,Machens F,Messerschmidt K,Mueller-Roeber B

更新日期：2017-09-06 00:00:00

abstract：:Previous studies have shown that (i) several RNAs induced by heat shock of Drosophila melanogaster cells are homologous to tandemly repeated alpha beta units found in cloned segments of D. melanogaster DNA, and (ii) the alpha beta sequences are present both at a major heat shock locus, 87Cl, and the chromocenter of po...

journal_title：Nucleic acids research

authors： Lis JT,Ish-Horowicz D,Pinchin SM

更新日期：1981-10-24 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：:We have investigated loop-induced structural perturbation of the stem structure in hairpins d(GAATTCXnGAATTC) (X = A, T and n = 3, 4, 5 and 6) that contain an EcoRI restriction site in close proximity to the hairpin loop. Oligonucleotides containing either a T3 or a A3 loop were not hydrolyzed by the restriction enzym...

journal_title：Nucleic acids research

authors： Germann MW,Kalisch BW,Lundberg P,Vogel HJ,van de Sande JH

更新日期：1990-03-25 00:00:00

abstract：:The DECIPHER database (https://decipher.sanger.ac.uk/) is an accessible online repository of genetic variation with associated phenotypes that facilitates the identification and interpretation of pathogenic genetic variation in patients with rare disorders. Contributing to DECIPHER is an international consortium of >2...

journal_title：Nucleic acids research

authors： Bragin E,Chatzimichali EA,Wright CF,Hurles ME,Firth HV,Bevan AP,Swaminathan GJ

更新日期：2014-01-01 00:00:00

abstract：:A reporter assay was developed to detect and quantify nonsense codon suppression by chemically aminoacylated tRNAs in mammalian cells. It is based on the cellular expression of the enhanced green fluorescent protein (EGFP) as a reporter for the site-specific amino acid incorporation in its sequence using an orthogonal...

journal_title：Nucleic acids research

authors： Ilegems E,Pick HM,Vogel H

更新日期：2002-12-01 00:00:00

abstract：UNLABELLED:Partial cleavage of DNA with the restriction endonuclease NotI (5'...GC/GGCCGC...3') is an important technique for genomic mapping. However, partial genomic cleavage with this enzyme is impaired by the agarose matrix in which the DNA must be suspended. To solve this problem we have purified the blocking meth...

journal_title：Nucleic acids research

authors： Hanish J,McClelland M

更新日期：1990-06-11 00:00:00

abstract：:Retinoic acid-inducible gene I (RIG-I) is a pattern recognition receptor expressed in metazoan cells that is responsible for eliciting the production of type I interferons and pro-inflammatory cytokines upon detection of intracellular, non-self RNA. Structural studies of RIG-I have identified a novel Pincer domain com...

journal_title：Nucleic acids research

authors： Rawling DC,Kohlway AS,Luo D,Ding SC,Pyle AM

更新日期：2014-10-01 00:00:00

abstract：:Constitutive expression of major histocompatibility complex class II (MHC II) antigens normally occurs in B-lymphocytes and antigen presenting cells of the monocyte/macrophage lineage. However, many malignant tumours and transformed cells express these proteins aberrantly. We demonstrate here that the MHC II DR alpha ...

journal_title：Nucleic acids research

authors： Cox PM,Goding CR

更新日期：1992-09-25 00:00:00

abstract：:The Chemical Effects in Biological Systems database (CEBS) is a comprehensive and unique toxicology resource that compiles individual and summary animal data from the National Toxicology Program (NTP) testing program and other depositors into a single electronic repository. CEBS has undergone significant updates in re...

journal_title：Nucleic acids research

authors： Lea IA,Gong H,Paleja A,Rashid A,Fostel J

更新日期：2017-01-04 00:00:00

abstract：:The Histone Database (HDB) is an annotated and searchable collection of all full-length sequences and structures of histone and non-histone proteins containing the histone fold motif. These sequences are both eukaryotic and archaeal in origin. Several new histone fold-containing proteins have been identified, includin...

journal_title：Nucleic acids research

authors： Sullivan SA,Aravind L,Makalowska I,Baxevanis AD,Landsman D

更新日期：2000-01-01 00:00:00

abstract：:We observed overexpression and increased intra-nuclear accumulation of the PRMT5/WDR77 in breast cancer cell lines relative to immortalized breast epithelial cells. Utilizing mass spectrometry and biochemistry approaches we identified the Zn-finger protein ZNF326, as a novel interaction partner and substrate of the nu...

journal_title：Nucleic acids research

authors： Rengasamy M,Zhang F,Vashisht A,Song WM,Aguilo F,Sun Y,Li S,Zhang W,Zhang B,Wohlschlegel JA,Walsh MJ

更新日期：2017-11-02 00:00:00

abstract：:The original cDNA sequence reported for the murine DNA methyltransferase (MTase) was not full length. Recently, additional cDNA sequences have been reported that lie upstream of the original and contain an extended open reading frame with three additional ATGs in frame with the coding region [Tucker et al . (1996) Pro...

journal_title：Nucleic acids research

authors： Pradhan S,Talbot D,Sha M,Benner J,Hornstra L,Li E,Jaenisch R,Roberts RJ

更新日期：1997-11-15 00:00:00

abstract：:The Diels-Alder reaction between diene-modified oligonucleotides and maleimide-derivatized peptides afforded peptide-oligonucleotide conjugates with high purity and yield. Synthesis of the reagents was easily accomplished by on-column derivatization of the corresponding peptides and oligonucleotides. The cycloaddition...

journal_title：Nucleic acids research

authors： Marchán V,Ortega S,Pulido D,Pedroso E,Grandas A

更新日期：2006-02-14 00:00:00

abstract：:During DNA replication replicative polymerases move in discrete mechanical steps along the DNA template. To address how the chemical cycle is coupled to mechanical motion of the enzyme, here we use optical tweezers to study the translocation mechanism of individual bacteriophage Phi29 DNA polymerases during processive...

journal_title：Nucleic acids research

authors： Morin JA,Cao FJ,Lázaro JM,Arias-Gonzalez JR,Valpuesta JM,Carrascosa JL,Salas M,Ibarra B

更新日期：2015-04-20 00:00:00

abstract：:A strategy for DNA computing on surfaces using linked sets of 'DNA words' that are short oligonucleotides (16mers) is proposed. The 16mer words have the format 5'-FFFFvvvvvvvvFFFF-3' in which 4-8 bits of data are stored in 8 variable ('v') base locations, and the remaining fixed ('F') base locations are used as a word...

journal_title：Nucleic acids research

authors： Frutos AG,Liu Q,Thiel AJ,Sanner AM,Condon AE,Smith LM,Corn RM

更新日期：1997-12-01 00:00:00

abstract：:The transcripts of a 6Kbp region of the mitochondrial genome of S. cerevisiae, localized in the 21S rRNA-OXI1 span and including 12 tRNA genes (from tRNA(thr) to tRNA(ala)) and several G+C clusters, have been studied by analysis of in vitro capped primary transcripts and by fine mapping of the 5' ends of transcripts. ...

journal_title：Nucleic acids research

authors： Francisci S,Palleschi C,Ragnini A,Frontali L

更新日期：1987-08-25 00:00:00

abstract：:Plant mitochondrial genomes show much more evolutionary plasticity than those of animals. We analysed the first mitochondrial DNA (mtDNA) of a lycophyte, the quillwort Isoetes engelmannii, which is separated from seed plants by more than 350 million years of evolution. The Isoetes mtDNA is particularly rich in recombi...

journal_title：Nucleic acids research

authors： Grewe F,Viehoever P,Weisshaar B,Knoop V

更新日期：2009-08-01 00:00:00

abstract：:Signals setting the level of transcription of the tRNA-tufB operon have been studied by deletion mapping. TufB transcription was measured in vivo with plasmid-borne tRNA-tufB:galk operon fusions. Removal of the sequences from -133 to -58 with respect to the transcription start point, results in a 90% decrease of tufB ...

journal_title：Nucleic acids research

authors： van Delft JH,Mariñon B,Schmidt DS,Bosch L

更新日期：1987-11-25 00:00:00

abstract：:Oligonucleotide-directed mutagenesis was used to introduce an A to C transversion at position 523 in the 16S ribosomal RNA gene of Escherichia coli rrnB operon cloned in plasmid pKK3535. E. coli cells transformed with the mutated plasmid were resistant to streptomycin. The mutated ribosomes isolated from these cells w...

journal_title：Nucleic acids research

authors： Melançon P,Lemieux C,Brakier-Gingras L

更新日期：1988-10-25 00:00:00

abstract：:Telomeres comprise the protective caps of natural chromosome ends and function in the suppression of DNA damage signaling and cellular senescence. Therefore, techniques used to determine telomere length are important in a number of studies, ranging from those investigating telomeric structure to effects on human disea...

journal_title：Nucleic acids research

authors： Göhring J,Fulcher N,Jacak J,Riha K

更新日期：2014-02-01 00:00:00

abstract：:Mature chicken erythrocyte polynucleosomes which are soluble at physiological ionic strength are enriched in beta-globin DNA sequences. Vitellogenin chromatin, which is not expressed in this tissue, is found in aggregation prone, salt insoluble chromatin. There is a direct correlation between the size of soluble fragm...

journal_title：Nucleic acids research

authors： Ridsdale JA,Davie JR

更新日期：1987-02-11 00:00:00

abstract：:Most human genes generate multiple transcript isoforms. The differential expression of these isoforms can help specify cell types. Diverse transcript isoforms arise from the use of alternative transcription start sites, polyadenylation sites and splice sites; however, the relative contribution of these processes to is...

journal_title：Nucleic acids research

authors： Reyes A,Huber W

更新日期：2018-01-25 00:00:00

abstract：:We describe LincSNP 2.0 (http://bioinfo.hrbmu.edu.cn/LincSNP), an updated database that is used specifically to store and annotate disease-associated single nucleotide polymorphisms (SNPs) in human long non-coding RNAs (lncRNAs) and their transcription factor binding sites (TFBSs). In LincSNP 2.0, we have updated the ...

journal_title：Nucleic acids research

authors： Ning S,Yue M,Wang P,Liu Y,Zhi H,Zhang Y,Zhang J,Gao Y,Guo M,Zhou D,Li X,Li X

更新日期：2017-01-04 00:00:00

abstract：:Post-translational modifications (PTMs) play a key role in numerous cellular processes by directly affecting structure, dynamics and interaction networks of target proteins. Despite their importance, our understanding of protein PTMs at the atomistic level is still largely incomplete. Molecular dynamics (MD) simulatio...

journal_title：Nucleic acids research

authors： Margreitter C,Petrov D,Zagrovic B

更新日期：2013-07-01 00:00:00

abstract：:We have investigated the attachment of the DNA to the nuclear matrix during the division cycle of the plasmodial slime mold Physarum polycephalum. The DNA of plasmodia was pulse labelled at different times during the S phase and the label distribution was studied by graded DNase digestion of the matrix-DNA complexes p...

journal_title：Nucleic acids research

authors： Aelen JM,Opstelten RJ,Wanka F

更新日期：1983-02-25 00:00:00

abstract：:The active 3D conformation of the spliceosome's catalytic U2/U6 RNA core is stabilised by a network of secondary and tertiary RNA interactions, but also depends on spliceosomal proteins for its formation. To determine the contribution towards splicing of specific RNA secondary and tertiary interactions in the U2/U6 RN...

journal_title：Nucleic acids research

authors： Bao P,Boon KL,Will CL,Hartmuth K,Lührmann R

更新日期：2018-12-14 00:00:00

abstract：:Here we report that the poor binding of methylphosphonate oligodeoxynucleosides (MP-ODNs) to their nucleic acid targets can be improved by additional inversion of the anomeric configuration (from beta to alpha) in the sugar moieties to give a new class of analogs, MP alpha-oligonucleosides. MP alpha-dT12and MP 5' alph...

journal_title：Nucleic acids research

authors： Debart F,Meyer A,Vasseur JJ,Rayner B

更新日期：1998-10-15 00:00:00

abstract：:The thermal stability of the Tn10 encoded tetracycline resistance (TET) gene control region is investigated by melting studies using purified DNA restriction fragments containing various amounts of flanking sequences. In order to study the thermodynamic properties of this control region under conditions, where enough ...

journal_title：Nucleic acids research

authors： Hillen W,Unger B

更新日期：1982-04-24 00:00:00

abstract：:During telomere replication in yeast, chromosome ends acquire a long single-stranded extension of the strand making the 3' end. Previous work showed that these 3' tails are generated late in S-phase, when conventional replication is virtually complete. In addition, the extensions were also observed in cells that lacke...

journal_title：Nucleic acids research

authors： Dionne I,Wellinger RJ

更新日期：1998-12-01 00:00:00