Use of an engineered ribozyme to produce a circular human exon.

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：:In addition to maintaining the GenBank® nucleic acid sequence database, the National Center for Biotechnology Information (NCBI) provides analysis and retrieval resources for the data in GenBank and other biological data made available through the NCBI Web site. NCBI resources include Entrez, the Entrez Programming Ut...

journal_title：Nucleic acids research

authors： Sayers EW,Barrett T,Benson DA,Bolton E,Bryant SH,Canese K,Chetvernin V,Church DM,DiCuccio M,Federhen S,Feolo M,Fingerman IM,Geer LY,Helmberg W,Kapustin Y,Landsman D,Lipman DJ,Lu Z,Madden TL,Madej T,Maglott DR,Ma

更新日期：2011-01-01 00:00:00

abstract：:PvuRts1I is a prototype for a larger family of restriction endonucleases that cleave DNA containing 5-hydroxymethylcytosine (5hmC) or 5-glucosylhydroxymethylcytosine (5ghmC), but not 5-methylcytosine (5mC) or cytosine. Here, we report a crystal structure of the enzyme at 2.35 Å resolution. Although the protein has bee...

journal_title：Nucleic acids research

authors： Kazrani AA,Kowalska M,Czapinska H,Bochtler M

更新日期：2014-05-01 00:00:00

abstract：:Genome organization into transcriptionally active domains denotes one of the first levels of gene expression regulation. Although the chromatin domain concept is generally accepted, only little is known on how domain organization impacts the regulation of differential gene expression. Insulators might hold answers to ...

journal_title：Nucleic acids research

authors： Furlan-Magaril M,Rebollar E,Guerrero G,Fernández A,Moltó E,González-Buendía E,Cantero M,Montoliu L,Recillas-Targa F

更新日期：2011-01-01 00:00:00

abstract：:RNA molecules play different roles in coding, decoding and gene expression regulation. Such roles are often associated to the RNA secondary or tertiary structures. The folding dynamics lead to multiple secondary structures of long RNA molecules, since an RNA molecule might fold into multiple distinct native states. De...

journal_title：Nucleic acids research

authors： Leija-Martínez N,Casas-Flores S,Cadena-Nava RD,Roca JA,Mendez-Cabañas JA,Gomez E,Ruiz-Garcia J

更新日期：2014-12-16 00:00:00

abstract：:Fully protected diastereoisomers of deoxyguanylyl (3' leads to 5') deoxyadenosine stereospecifically labelled on phosphorus with oxygen-18 have been synthesized by oxidation of phosphite triester intermediates in the presence of 18O-labelled water. The diastereoisomers have been chromatographically separated and their...

journal_title：Nucleic acids research

authors： Potter BV,Eckstein F,Uznański B

更新日期：1983-10-25 00:00:00

abstract：:We searched for nucleotide excision repair in human cell-free extracts using two assays: damage-specific incision of DNA (the nicking assay) and damage-stimulated DNA synthesis (the repair synthesis assay). HeLa cell-free extract prepared by the method of Manley et al. (1980) has a weak nicking activity on UV irradiat...

journal_title：Nucleic acids research

authors： Sibghatullah,Husain I,Carlton W,Sancar A

更新日期：1989-06-26 00:00:00

abstract：:A simple method, primer specific and mispair extension analysis (PSMEA) with pfu DNA polymerase was developed for genotyping. PSMEA is based on the unique properties of 3'-->5' exonuclease proofreading activity. In the presence of an incomplete set of dNTPs, pfu was found to be extremely discriminative in nucleotide i...

journal_title：Nucleic acids research

authors： Hu YW,Balaskas E,Kessler G,Issid C,Scully LJ,Murphy DG,Rinfret A,Giulivi A,Scalia V,Gill P

更新日期：1998-11-01 00:00:00

abstract：:ATRX and MeCP2 belong to an expanding group of chromatin-associated proteins implicated in human neurodevelopmental disorders, although their gene-regulatory activities are not fully resolved. Loss of ATRX prevents full repression of an imprinted gene network in the postnatal brain and in this study we address the mec...

journal_title：Nucleic acids research

authors： Kernohan KD,Vernimmen D,Gloor GB,Bérubé NG

更新日期：2014-07-01 00:00:00

abstract：:We have synthesized the tetradecamer GAGCXGATAACAAG containing a part of the sequence of the lactose operator. A guanine base in the sequence is replaced by the adduct of the carcinogen 2-acetylaminofluorene with guanine. Under the standard conditions of de-protection, the fluorene moiety is lost, leaving behind a gua...

journal_title：Nucleic acids research

authors： Stöhrer G,Osband JA,Alvarado-Urbina G

更新日期：1983-08-11 00:00:00

abstract：:The complete DNA sequence of pO157, the large virulence plasmid of EHEC strain O157:H7 EDL 933, is presented. The 92 kb F-like plasmid is composed of segments of putative virulence genes in a framework of replication and maintenance regions, with seven insertion sequence elements, located mostly at the boundaries of t...

journal_title：Nucleic acids research

authors： Burland V,Shao Y,Perna NT,Plunkett G,Sofia HJ,Blattner FR

更新日期：1998-09-15 00:00:00

abstract：:The hexamer (m5 dC-dG)3 has been synthesized and its three-dimensional structure determined by a single crystal X-ray diffraction analysis. The structure has been refined to a final R value of 15.6% at 1.3 A resolution. The molecule forms a left-handed Z-DNA helix which is similar to the unmethylated Z-DNA structure. ...

journal_title：Nucleic acids research

authors： Fujii S,Wang AH,van der Marel G,van Boom JH,Rich A

更新日期：1982-12-11 00:00:00

abstract：:The purpose of the proposed web server, publicly available at http://paccmit.epfl.ch, is to provide a user-friendly interface to two algorithms for predicting messenger RNA (mRNA) molecules regulated by microRNAs: (i) PACCMIT (Prediction of ACcessible and/or Conserved MIcroRNA Targets), which identifies primarily mRNA...

journal_title：Nucleic acids research

authors： Šulc M,Marín RM,Robins HS,Vaníček J

更新日期：2015-07-01 00:00:00

abstract：:We have examined the expression and structure of several genes belonging to two classes of vegetative specific genes of the simple eukaryote, Dictyostelium discoideum. In amebae grown on bacteria, deactivation of all vegetative specific genes occurred at the onset of development and very little mRNA exists by 8 to 10 ...

journal_title：Nucleic acids research

authors： Singleton CK,Manning SS,Ken R

更新日期：1989-12-11 00:00:00

abstract：:To date, an effective therapeutic treatment that confers strong attenuation toward coronaviruses (CoVs) remains elusive. Of all the potential drug targets, the helicase of CoVs is considered to be one of the most important. Here, we first present the structure of the full-length Nsp13 helicase of SARS-CoV (SARS-Nsp13)...

journal_title：Nucleic acids research

authors： Jia Z,Yan L,Ren Z,Wu L,Wang J,Guo J,Zheng L,Ming Z,Zhang L,Lou Z,Rao Z

更新日期：2019-07-09 00:00:00

abstract：:Upon growth transition of Escherichia coli cells from exponential to stationary phase, RNA polymerase is converted into at least three different forms (S1, S2 and S3), which could be separately isolated by phosphocellulose column chromatography (Ozaki et al., 1991 (2)). Here, the promoter selectivity of these three st...

journal_title：Nucleic acids research

authors： Ozaki M,Fujita N,Wada A,Ishihama A

更新日期：1992-01-25 00:00:00

abstract：:DDBJ (http://www.ddbj.nig.ac.jp) collected and released 1 880 115 entries or 1 134 086 245 bases in the period from July 2006 to June 2007. The released data contains the high-throughput cDNAs of cricket and high-quality draft genome of medaka among others. Our computer system has been upgraded since March 2007. Anoth...

journal_title：Nucleic acids research

authors： Sugawara H,Ogasawara O,Okubo K,Gojobori T,Tateno Y

更新日期：2008-01-01 00:00:00

abstract：:Apurinic/apyrimidinic endonuclease 1 (APE1), an essential protein in mammals, is involved in base excision DNA repair (BER) and in regulation of gene expression, acting as a redox co-activator of several transcription factors. Recent findings highlight a novel role for APE1 in RNA metabolism, which is modulated by nuc...

journal_title：Nucleic acids research

authors： Fantini D,Vascotto C,Marasco D,D'Ambrosio C,Romanello M,Vitagliano L,Pedone C,Poletto M,Cesaratto L,Quadrifoglio F,Scaloni A,Radicella JP,Tell G

更新日期：2010-12-01 00:00:00

abstract：:We have developed a simple but powerful method and web server to quickly locate charged and hydrophobic clusters in proteins (http://www.netasa.org/qgrid/index.html). For the charged clusters, each atom in the protein is first assigned a charge according to a standard force field. Then a box is created with dimensions...

journal_title：Nucleic acids research

authors： Ahmad S,Sarai A

更新日期：2004-07-01 00:00:00

abstract：:The Xist lncRNA requires Repeat A, a conserved RNA element located in its 5' end, to induce gene silencing during X-chromosome inactivation. Intriguingly, Repeat A is also required for production of Xist. While silencing by Repeat A requires the protein SPEN, how Repeat A promotes Xist production remains unclear. We r...

journal_title：Nucleic acids research

authors： Trotman JB,Lee DM,Cherney RE,Kim SO,Inoue K,Schertzer MD,Bischoff SR,Cowley DO,Calabrese JM

更新日期：2020-10-09 00:00:00

abstract：:Hfq, a bacterial RNA-binding protein, was recently shown to contain the Sm1 motif, a characteristic of Sm and LSm proteins that function in RNA processing events in archaea and eukaryotes. In this report, comparative structural modeling was used to predict a three-dimensional structure of the Hfq core sequence. The pr...

journal_title：Nucleic acids research

authors： Sun X,Zhulin I,Wartell RM

更新日期：2002-09-01 00:00:00

abstract：:Infection of cultured cells with herpes simplex virus (HSV) results in the transcriptional induction of a small number of cellular genes. Although the majority of such genes are dependent upon viral protein synthesis for their induction, a small minority are not. These genes are induced by events occurring prior to th...

journal_title：Nucleic acids research

authors： Kemp LM,Preston CM,Preston VG,Latchman DS

更新日期：1986-12-09 00:00:00

abstract：:Over millions of years the structure and complexity of the transcriptional regulatory network (TRN) in bacteria has changed, reorganized and enabled them to adapt to almost every environmental niche on earth. In order to understand the plasticity of TRNs in bacteria, we studied the conservation of currently known TRNs...

journal_title：Nucleic acids research

authors： Lozada-Chávez I,Janga SC,Collado-Vides J

更新日期：2006-07-13 00:00:00

abstract：:WebProAnalyst is a web-accessible analysis tool (http://wwwmgs.bionet.nsc.ru/mgs/programs/panalyst/) designed for scanning quantitative structure-activity relationships in protein families. The tool allows users to search correlations between protein activity and physicochemical characteristics (i.e. hydrophobicity or...

journal_title：Nucleic acids research

authors： Ivanisenko VA,Eroshkin AM,Kolchanov NA

更新日期：2005-07-01 00:00:00

abstract：:BRCA1 expression is repressed by aberrant cytosine methylation in sporadic breast cancer. We hypothesized that aberrant cytosine methylation of the BRCA1 promoter was associated with the transcriptionally repressive effects of histone hypoacetylation and chromatin condensation. To address this question, we developed a...

journal_title：Nucleic acids research

authors： Rice JC,Futscher BW

更新日期：2000-09-01 00:00:00

abstract：:The accuracy of a homology model based on the structure of a distant relative or other topologically equivalent protein is primarily limited by the quality of the alignment. Here we describe a systematic approach for sequence-to-structure alignment, called 'K*Sync', in which alignments are generated by dynamic program...

journal_title：Nucleic acids research

authors： Chivian D,Baker D

更新日期：2006-01-01 00:00:00

abstract：:Accurate mapping of spliced RNA-Seq reads to genomic DNA has been known as a challenging problem. Despite significant efforts invested in developing efficient algorithms, with the human genome as a primary focus, the best solution is still not known. A recently introduced tool, TrueSight, has demonstrated better perfo...

journal_title：Nucleic acids research

authors： Burns PD,Li Y,Ma J,Borodovsky M

更新日期：2014-02-01 00:00:00

abstract：:The open state of human topoisomerase I has been probed by molecular dynamics simulation, starting from the coordinates of the closed structure of the protein complexed with DNA, after elimination of the 22-bp DNA duplex oligonucleotide. A repulsion force between the two lips of the protein has been introduced for a s...

journal_title：Nucleic acids research

authors： Chillemi G,Bruselles A,Fiorani P,Bueno S,Desideri A

更新日期：2007-01-01 00:00:00

abstract：:Instability of complex mammalian genomic DNA inserts is commonplace in cosmid libraries constructed in conventional multicopy vectors. To develop a means to construct stable libraries, we have developed a low copy number cosmid vector based on the E. coli F factor replicon (Fosmid). We have tested relative stability o...

journal_title：Nucleic acids research

authors： Kim UJ,Shizuya H,de Jong PJ,Birren B,Simon MI

更新日期：1992-03-11 00:00:00

abstract：:Among a collection of 74 aprt mutations induced by treatment of plateau phase Chinese hamster ovary CHO cells with the radiomimetic DNA double-strand cleaving agent neocarzinostatin, nine were large-scale rearrangements. Molecular analysis indicated that all nine were highly conservative, non-homologous reciprocal exc...

journal_title：Nucleic acids research

authors： Wang P,Lee JW,Yu Y,Turner K,Zou Y,Jackson-Cook CK,Povirk LF

更新日期：2002-06-15 00:00:00