A positioned +1 nucleosome enhances promoter-proximal pausing.

abstract：:A feature of Haemophilus influenzae genomes is the presence of several loci containing tracts of six or more identical tetranucleotide repeat units. These repeat tracts are unstable and mediate high frequency, reversible alterations in the expression of surface antigens. This process, termed phase variation (PV), enab...

journal_title：Nucleic acids research

authors： Bayliss CD,Sweetman WA,Moxon ER

更新日期：2005-01-14 00:00:00

abstract：:Ribonucleic acids are highly conserved essential parts of cellular life. RNA function is determined to a large extent by its hydrodynamic behaviour. The presented study proposes a strategy to predict the hydrodynamic behaviour of RNA single strands on the basis of the polymer size. By atom-level shell-modelling of hig...

journal_title：Nucleic acids research

authors： Werner A

更新日期：2011-02-01 00:00:00

abstract：:In the field of RNA, the technologies for studying the transcriptome have created a tremendous potential for deciphering the puzzles of the RNA biology. Along with the excitement, the unprecedented volume of RNA related omics data is creating great challenges in bioinformatics analyses. Here, we present the RNA Centri...

journal_title：Nucleic acids research

authors： Uyar B,Yusuf D,Wurmus R,Rajewsky N,Ohler U,Akalin A

更新日期：2017-06-02 00:00:00

abstract：:DXZ4 is an X-linked macrosatellite composed of 12-100 tandemly arranged 3-kb repeat units. In females, it adopts opposite chromatin arrangements at the two alleles in response to X-chromosome inactivation. In males and on the active X chromosome, it is packaged into heterochromatin, but on the inactive X chromosome (X...

journal_title：Nucleic acids research

authors： Moseley SC,Rizkallah R,Tremblay DC,Anderson BR,Hurt MM,Chadwick BP

更新日期：2012-02-01 00:00:00

abstract：:The increasing availability of multi-omic platforms poses new challenges to data analysis. Joint visualization of multi-omics data is instrumental in better understanding interconnections across molecular layers and in fully utilizing the multi-omic resources available to make biological discoveries. We present here P...

journal_title：Nucleic acids research

authors： Hernández-de-Diego R,Tarazona S,Martínez-Mira C,Balzano-Nogueira L,Furió-Tarí P,Pappas GJ Jr,Conesa A

更新日期：2018-07-02 00:00:00

abstract：:In vivo footprinting experiments, augmented with gel shift and transfection analyses suggest that activation of the CYP1A1 gene by aryl hydrocarbons may be a multicomponent process. During the first 30 minutes of exposure to aryl hydrocarbon carcinogens and environmental contaminants, in vivo footprints appear at nine...

journal_title：Nucleic acids research

authors： Robertson RW,Zhang L,Pasco DS,Fagan JB

更新日期：1994-05-11 00:00:00

abstract：:Protein p56 (56 amino acids) from the Bacillus subtilis phage 29 inactivates the host uracil-DNA glycosylase (UDG), an enzyme involved in the base excision repair pathway. At present, p56 is the only known example of a UDG inhibitor encoded by a non-uracil containing viral DNA. Using analytical ultracentrifugation met...

journal_title：Nucleic acids research

authors： Serrano-Heras G,Ruiz-Masó JA,del Solar G,Espinosa M,Bravo A,Salas M

更新日期：2007-01-01 00:00:00

abstract：:ApiDB (http://ApiDB.org) represents a unified entry point for the NIH-funded Apicomplexan Bioinformatics Resource Center (BRC) that integrates numerous database resources and multiple data types. The phylum Apicomplexa comprises numerous veterinary and medically important parasitic protozoa including human pathogenic ...

journal_title：Nucleic acids research

authors： Aurrecoechea C,Heiges M,Wang H,Wang Z,Fischer S,Rhodes P,Miller J,Kraemer E,Stoeckert CJ Jr,Roos DS,Kissinger JC

更新日期：2007-01-01 00:00:00

abstract：:We show that in mouse myoblasts the MyoD1 promoter is highly stimulated by MyoD1 expression, suggesting that it is controlled by a positive feedback loop. Using deletion and mutation analyses, we identified the targets for MyoD1 promoter autoregulation as the two proximal E-boxes located close to the MyoD1 core promot...

journal_title：Nucleic acids research

authors： Zingg JM,Pedraza-Alva G,Jost JP

更新日期：1994-06-25 00:00:00

abstract：:The Human Genome Project has facilitated the sequencing of many species, yet the current Sanger method is too expensive, labor intensive and time consuming to accomplish medical resequencing of human genomes en masse. Of the 'next-generation' technologies, cyclic reversible termination (CRT) is a promising method with...

journal_title：Nucleic acids research

authors： Wu W,Stupi BP,Litosh VA,Mansouri D,Farley D,Morris S,Metzker S,Metzker ML

更新日期：2007-01-01 00:00:00

abstract：:We describe the characterisation of four thermo-stable NAD(+)-dependent DNA ligases, from Thermus thermophilus (Tth), Thermus scotoductus (Ts), Rhodothermus marinus (Rm) and Thermus aquaticus (Taq), by an assay which measures ligation rate and mismatch discrimination. Complete libraries of octa-, nona- and decanucleot...

journal_title：Nucleic acids research

authors： Housby JN,Thorbjarnardóttir SH,Jónsson ZO,Southern EM

更新日期：2000-02-01 00:00:00

abstract：:Non-homologous end-joining (NHEJ) of DNA double-strand breaks (DSBs) is mediated by two protein complexes comprising Ku80/Ku70/DNA-PKcs/Artemis and XRCC4/LigaseIV/XLF. Loss of Ku or XRCC4/LigaseIV function compromises the rejoining of radiation-induced DSBs and leads to defective V(D)J recombination. In this study, we...

journal_title：Nucleic acids research

authors： Schulte-Uentrop L,El-Awady RA,Schliecker L,Willers H,Dahm-Daphi J

更新日期：2008-05-01 00:00:00

abstract：:Hidden Markov models (HMMs) and their variants are widely used in Bioinformatics applications that analyze and compare biological sequences. Designing a novel application requires the insight of a human expert to define the model's architecture. The implementation of prediction algorithms and algorithms to train the m...

journal_title：Nucleic acids research

authors： Lam TY,Meyer IM

更新日期：2009-11-01 00:00:00

abstract：:Oligodeoxyribonucleotides incorporating non-hydrolyzable dialkyl sulfide linked thymidine dimers (TsT) were synthesized chemically by the solid-phase approach. The sulfide dimer TsT was stable to degradation by snake-venom phosphodiesterase, calf spleen phosphodiesterase, Nuclease P1 and Nuclease S1. Thermal denaturat...

journal_title：Nucleic acids research

authors： Kawai SH,Wang D,Giannaris PA,Damha MJ,Just G

更新日期：1993-03-25 00:00:00

abstract：:Molecular dynamics simulations were performed on the duplex DNA dodecamers d(CGCGAA TT CGCG): d(CGCGAATTCGCG) and d(GCACGAA TT AAG): d(CTTAATTCGTGC), where TT denotes a cis, syn cyclobutane thymine dimer. The constant temperature and pressure algorithm of the AMBER 4.1 molecular-modeling package was used with explicit...

journal_title：Nucleic acids research

authors： Cooney MG,Miller JH

更新日期：1997-04-01 00:00:00

abstract：:G-quadruplex (G4) DNA structures are linked to key biological processes and human diseases. Small molecules that target specific G4 DNA structures and signal their presence would therefore be of great value as chemical research tools with potential to further advance towards diagnostic and therapeutic developments. Ho...

journal_title：Nucleic acids research

authors： Kumar R,Chand K,Bhowmik S,Das RN,Bhattacharjee S,Hedenström M,Chorell E

更新日期：2020-02-20 00:00:00

abstract：:Sequencing by hybridization (SBH) approaches to DNA sequencing face two conflicting constraints. First, in order to ensure that the target DNA binds reliably, the oligonucleotide probes that are attached to the chip array must be >15 bp in length. Secondly, the total number of possible 15 bp oligonucleotides is too la...

journal_title：Nucleic acids research

authors： Fedrigo O,Naylor G

更新日期：2004-02-18 00:00:00

abstract：:We have isolated and sequenced the complete murine I-E alpha immune response gene of the H-2db haplotype. The I-E alpha d gene consists of 5300 basepairs and is organized into five or possibly six exons that correspond to different domains of the alpha chain. The amino acid sequence deduced from the I-E alpha gene sho...

journal_title：Nucleic acids research

authors： Hyldig-Nielsen JJ,Schenning L,Hammerling U,Widmark E,Heldin E,Lind P,Servenius B,Lund T,Flavell R,Lee JS,Trowsdale J,Schreier PH,Zablitzky F,Larhammar D,Peterson PA,Rask L

更新日期：1983-08-11 00:00:00

abstract：:The C/D box scaRNA2 is predicted to guide specific 2'-O-methylation of U2 snRNA. In contrast to other SCARNA genes, SCARNA2 appears to be independently transcribed. By transient expression of SCARNA2-reporter gene constructs, we have demonstrated that this gene is transcribed by RNA polymerase II and that the promoter...

journal_title：Nucleic acids research

authors： Gérard MA,Myslinski E,Chylak N,Baudrey S,Krol A,Carbon P

更新日期：2010-01-01 00:00:00

abstract：:8-Oxo-7,8-dihydroguanine (8-oxoGua) is produced in cells by reactive oxygen species normally formed during cellular metabolic processes. This oxidized base can pair with both adenine and cytosine, and thus the existence of this base in messenger RNA would cause translational errors. The MutT protein of Escherichia col...

journal_title：Nucleic acids research

authors： Ishibashi T,Hayakawa H,Ito R,Miyazawa M,Yamagata Y,Sekiguchi M

更新日期：2005-07-07 00:00:00

abstract：:The DNA photosensitisers m-iodo Hoechst and m-iodo, p-methoxy Hoechst have been co-crystallised with the oligonucleotide d(CGCGAATTCGCG)(2)and their crystal structures determined. The crystals were then subjected to slow dehydration, which reduced their solvent contents from 40 (normal) to 30 (partially dehydrated) an...

journal_title：Nucleic acids research

authors： Squire CJ,Baker LJ,Clark GR,Martin RF,White J

更新日期：2000-03-01 00:00:00

abstract：:The photostability and narrow emission spectra of non-organic quantum dot fluorophores (QDs) make them desirable candidates for fluorescent in situ hybridization (FISH) to study the expression of specific mRNA transcripts. We developed a novel method for direct QD labeling of modified oligonucleotide probes through st...

journal_title：Nucleic acids research

authors： Chan P,Yuen T,Ruf F,Gonzalez-Maeso J,Sealfon SC

更新日期：2005-10-13 00:00:00

abstract：:Unfolding of the nucleosomes in transcriptionally active chromatin uncovers the sulfhydryl groups of histone H3 and permits the selective recovery of the unfolded nucleosomes by mercury-affinity chromatography. This new technique has been used to compare the nucleosomal proteins and their postsynthetic modifications i...

journal_title：Nucleic acids research

authors： Sterner R,Boffa LC,Chen TA,Allfrey VG

更新日期：1987-06-11 00:00:00

abstract：:The major surface antigen of procyclic and epimastigote forms of Trypanosoma congolense in the tsetse fly is GARP (glutamic acid/alanine-rich protein), which is thought to be the analogue of procyclin/PARP in Trypanosoma brucei. We have studied two T.congolense GARP loci (the 4.3 and 4.4 loci) whose transcription is a...

journal_title：Nucleic acids research

authors： Graham SV,Jefferies D,Barry JD

更新日期：1996-01-15 00:00:00

abstract：:Although a vast amount of life sciences data is generated in the form of images, most scientists still store images on extremely diverse and often incompatible storage media, without any type of metadata structure, and thus with no standard facility with which to conduct searches or analyses. Here we present a solutio...

journal_title：Nucleic acids research

authors： Gonzalez-Couto E,Hayes B,Danckaert A

更新日期：2001-01-01 00:00:00

abstract：:We report a crystal structure that shows an antibiotic that extracts a nucleobase from a DNA molecule 'caught in the act' after forming a covalent bond but before departing with the base. The structure of trioxacarcin A covalently bound to double-stranded d(AACCGGTT) was determined to 1.78 A resolution by MAD phasing ...

journal_title：Nucleic acids research

authors： Pfoh R,Laatsch H,Sheldrick GM

更新日期：2008-06-01 00:00:00

abstract：:As more and more high-throughput data has been produced by next-generation sequencing, it is still a challenge to classify RNA transcripts into protein-coding or non-coding, especially for poorly annotated species. We upgraded our original coding potential calculator, CNCI (Coding-Non-Coding Index), to CNIT (Coding-No...

journal_title：Nucleic acids research

authors： Guo JC,Fang SS,Wu Y,Zhang JH,Chen Y,Liu J,Wu B,Wu JR,Li EM,Xu LY,Sun L,Zhao Y

更新日期：2019-07-02 00:00:00

abstract：:Protein-RNA interactions in small nuclear ribonucleoproteins (UsnRNPs) from HeLa cells were investigated by irradiation of purified nucleoplasmic snRNPs U1 to U6 with UV light at 254 nm. The cross-linked proteins were analyzed on one- and two-dimensional gel electrophoresis systems, and the existence of a stable cross...

journal_title：Nucleic acids research

authors： Woppmann A,Rinke J,Lührmann R

更新日期：1988-12-09 00:00:00

abstract：:The BRENDA enzyme information system (http://www.brenda-enzymes.org/) has developed into an elaborate system of enzyme and enzyme-ligand information obtained from different sources, combined with flexible query systems and evaluation tools. The information is obtained by manual extraction from primary literature, text...

journal_title：Nucleic acids research

authors： Chang A,Schomburg I,Placzek S,Jeske L,Ulbrich M,Xiao M,Sensen CW,Schomburg D

更新日期：2015-01-01 00:00:00

abstract：:The eukaryotic ribosomal protein S26e (rpS26e) lacking eubacterial counterparts is a key component of the ribosomal binding site of mRNA region 5' of the codon positioned at the exit site. Here, we determined the rpS26e oligopeptide neighboring mRNA on the human 80S ribosome using mRNA analogues bearing perfluoropheny...

journal_title：Nucleic acids research

authors： Sharifulin D,Khairulina Y,Ivanov A,Meschaninova M,Ven'yaminova A,Graifer D,Karpova G

更新日期：2012-04-01 00:00:00