Relative stabilities of DNA three-way, four-way and five-way junctions (multi-helix junction loops): unpaired nucleotides can be stabilizing or destabilizing.

abstract：:Fourteen P-element insertion mutants at the yellow (y) gene of D. melanogaster have been analysed by restriction mapping and DNA sequencing. The distribution of the insertion sites is nonrandom, with a preferred target site in the 5'-transcribed but non-translated leader of the gene. Transcription analysis indicates t...

journal_title：Nucleic acids research

authors： Howes G,O'Connor M,Chia W

更新日期：1988-04-11 00:00:00

abstract：:Cloned coding sequences for rat and human ornithine transcarbamylase (OTC) were obtained by screening a rat and a human cDNA library respectively with a synthetic oligonucleotide corresponding to 27 bases of the rat sequence. These clones, 1100 bp long for the rat clone and 1300 bp for the human, contain approximately...

journal_title：Nucleic acids research

authors： Davies KE,Briand P,Ionasescu V,Ionasescu G,Williamson R,Brown C,Cavard C,Cathelineau L

更新日期：1985-01-11 00:00:00

abstract：:Transposable elements (TEs) and their relics play major roles in genome evolution. However, mobilization of TEs is usually deleterious and strongly repressed. In plants and mammals, this repression is typically associated with DNA methylation, but the relationship between this epigenetic mark and TE sequences has not ...

journal_title：Nucleic acids research

authors： Ahmed I,Sarazin A,Bowler C,Colot V,Quesneville H

更新日期：2011-09-01 00:00:00

abstract：:The Structural Classification of Proteins (SCOP) database is a comprehensive ordering of all proteins of known structure, according to their evolutionary and structural relationships. Protein domains in SCOP are hierarchically classified into families, superfamilies, folds and classes. The continual accumulation of se...

journal_title：Nucleic acids research

authors： Andreeva A,Howorth D,Brenner SE,Hubbard TJ,Chothia C,Murzin AG

更新日期：2004-01-01 00:00:00

abstract：:Biological networks play increasingly important roles in omics data integration and systems biology. Over the past decade, many excellent tools have been developed to support creation, analysis and visualization of biological networks. However, important limitations remain: most tools are standalone programs, the majo...

journal_title：Nucleic acids research

authors： Zhou G,Xia J

更新日期：2018-07-02 00:00:00

abstract：:Preparation of the two nonanucleotides, d(pG-G-A-G-G-A-G-A-A) and d(pT-T-C-T-G-T-T-G-A), and the octanucleotide, d(pT-G-G-C-C-C-A-T) is described by a rapid solid-phase method on a polyamide support. The syntheses were carried out using a modified solid-phase peptide synthesiser and required one day for each nucleotid...

journal_title：Nucleic acids research

authors： Gait MJ,Sheppard RC

更新日期：1977-12-01 00:00:00

abstract：:The Bovine Genome Database (BGD) (http://bovinegenome.org) has been the key community bovine genomics database for more than a decade. To accommodate the increasing amount and complexity of bovine genomics data, BGD continues to advance its practices in data acquisition, curation, integration and efficient data retrie...

journal_title：Nucleic acids research

authors： Shamimuzzaman M,Le Tourneau JJ,Unni DR,Diesh CM,Triant DA,Walsh AT,Tayal A,Conant GC,Hagen DE,Elsik CG

更新日期：2020-01-08 00:00:00

abstract：:We present the PATHOgenic YEAst Search for Transcriptional Regulators And Consensus Tracking (PathoYeastract - http://pathoyeastract.org) database, a tool for the analysis and prediction of transcription regulatory associations at the gene and genomic levels in the pathogenic yeasts Candida albicans and C. glabrata Up...

journal_title：Nucleic acids research

authors： Monteiro PT,Pais P,Costa C,Manna S,Sá-Correia I,Teixeira MC

更新日期：2017-01-04 00:00:00

abstract：:This paper presents TurboFold II, an extension of the TurboFold algorithm for predicting secondary structures for multiple RNA homologs. TurboFold II augments the structure prediction capabilities of TurboFold by additionally providing multiple sequence alignments. Probabilities for alignment of nucleotide positions b...

journal_title：Nucleic acids research

authors： Tan Z,Fu Y,Sharma G,Mathews DH

更新日期：2017-11-16 00:00:00

abstract：:The transcriptional activity of the p53 tumor suppressor protein is crucial for the regulation of cell growth, apoptosis and tumor progression. The first identified p53 relative, p73, was reported to be monoallelically expressed in normal tissues. In some tumors, loss of heterozygosity was associated with overexpressi...

journal_title：Nucleic acids research

authors： Vikhanskaya F,D'Incalci M,Broggini M

更新日期：2000-01-15 00:00:00

abstract：:The gene co-expression analysis toolbox (GeneCAT) introduces several novel microarray data analyzing tools. First, the multigene co-expression analysis, combined with co-expressed gene networks, provides a more powerful data mining technique than standard, single-gene co-expression analysis. Second, the high-throughpu...

journal_title：Nucleic acids research

authors： Mutwil M,Obro J,Willats WG,Persson S

更新日期：2008-07-01 00:00:00

abstract：:T7 RNA polymerase promoters consist of a highly conserved 23 base-pair sequence that spans the site of the initiation of transcription (+1) and extends from -17 to +6. To determine the bases within the T7 consensus promoter that are essential for promoter function a library of mutant T7 promoters was constructed, and ...

journal_title：Nucleic acids research

authors： Ikeda RA,Ligman CM,Warshamana S

更新日期：1992-05-25 00:00:00

abstract：:We cloned and sequenced a portion of chloroplast DNA from the hornwort Anthoceros formosae. A nucleotide sequence of 7556 bp contained structures similar to those of ndhK, ndhC, trnV, trnM, atpE, atpB, rbcL, trnR and accD. The arrangement of these was the same as that of other chloroplast DNA. However, two nonsense co...

journal_title：Nucleic acids research

authors： Yoshinaga K,Iinuma H,Masuzawa T,Uedal K

更新日期：1996-03-15 00:00:00

abstract：:Five peaks of DNA glycosylase activity showing a preference for MNNG alkylated DNA have been identified from extracts of adapted M. luteus. They are numerically designated as GI to GV in order of their decreasing molecular weights. The first two of these peaks have been highly purified. GI, is a constitutive heat labi...

journal_title：Nucleic acids research

authors： Riazuddin S,Athar A,Ahmed Z,Lali SM,Sohail A

更新日期：1987-08-25 00:00:00

abstract：:The interaction of RNase T1 with calf thymus DNA was studied using uv difference spectroscopy and the effect of the enzyme on DNA melting. There was no indication of RNase T1 binding with native DNA. A prominent difference spectrum for RNase T1 binding with denatured DNA (d-DNA) was observed at pH 5, 25 degrees and lo...

journal_title：Nucleic acids research

authors： Walz FG,Biddlecome S,Hooverman L

更新日期：1975-01-01 00:00:00

abstract：:Analysis of processing, assembly, and function of higher eukaryotic ribosomal RNA (rRNA) has been hindered by the lack of an expression system that enables rRNA to be modified and then examined functionally. Given the potential usefulness of such a system, we have developed one for mammalian 18S rRNA. We inserted a se...

journal_title：Nucleic acids research

authors： Burman LG,Mauro VP

更新日期：2012-09-01 00:00:00

abstract：:The endonuclease activity within the influenza virus cap-snatching process is a proven therapeutic target. The anti-influenza drug baloxavir is highly effective, but is associated with resistance mutations that threaten its clinical efficacy. The endonuclease resides within the N-terminal domain of the PA subunit (PAN...

journal_title：Nucleic acids research

authors： Kumar G,Cuypers M,Webby RR,Webb TR,White SW

更新日期：2021-01-19 00:00:00

abstract：:Alternative splicing of a single pre-mRNA transcript can produce protein isoforms that promote either cell growth or death. Here we show that Ro-31-8220 (Ro), an apoptotic agent that inhibits protein kinase C and activates the c-Jun N terminal kinase, decreased the proportion of the cell growth-promoting Bcl-xL splice...

journal_title：Nucleic acids research

authors： Hai Y,Cao W,Liu G,Hong SP,Elela SA,Klinck R,Chu J,Xie J

更新日期：2008-06-01 00:00:00

abstract：:Rad18 is a ubiquitin E3 ligase that monoubiquitinates PCNA on stalled replications forks. This allows recruitment of damage-tolerant polymerases for damage bypass and DNA repair. In this activity, the Rad18 protein has to interact with Rad6, the E2 ubiquitin-conjugating enzyme, ubiquitin, PCNA and DNA. Here we analyze...

journal_title：Nucleic acids research

authors： Notenboom V,Hibbert RG,van Rossum-Fikkert SE,Olsen JV,Mann M,Sixma TK

更新日期：2007-01-01 00:00:00

abstract：:We have recently described three group I introns inserted into a single gene, orf142, of the staphylococcal bacteriophage Twort and suggested the presence of at least two additional self-splicing introns in this phage genome. Here we report that two previously uncharacterized introns, 429 and 1087 nt in length, interr...

journal_title：Nucleic acids research

authors： Landthaler M,Begley U,Lau NC,Shub DA

更新日期：2002-05-01 00:00:00

abstract：:Understanding the normal state of human tissue transcriptome profiles is essential for recognizing tissue disease states and identifying disease markers. Recently, the Human Protein Atlas and the FANTOM5 consortium have each published extensive transcriptome data for human samples using Illumina-sequenced RNA-Seq and ...

journal_title：Nucleic acids research

authors： Yu NY,Hallström BM,Fagerberg L,Ponten F,Kawaji H,Carninci P,Forrest AR,Fantom Consortium.,Hayashizaki Y,Uhlén M,Daub CO

更新日期：2015-08-18 00:00:00

abstract：:Traditional chromatin analysis methods only test one locus at the time or use different templates for each locus, making a standardized analysis of large genomic regions or many co-regulated genes at different loci a difficult task. On the other hand, genome-wide high-resolution mapping of chromatin accessibility empl...

journal_title：Nucleic acids research

authors： Basheer A,Berger H,Reyes-Dominguez Y,Gorfer M,Strauss J

更新日期：2009-04-01 00:00:00

abstract：:The genetic organization of the multiple ribosomal transcription units (RTUs) on the genome of the yeast Saccharomyces carlsbergensis was studied by electron microscopy of purified ribosomal DNA hybridized to 26S rRNA using the R-loop technique (Thomas, M., White, R.L. and Davis, R.W. (1973) Proc. Natl. Acad. Sci. U.S...

journal_title：Nucleic acids research

authors： Meyerink JH,Retèl J,Raué HA,Planta RJ

更新日期：1978-08-01 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：:DISCOVER1 (DIStribution COunter VERsion 1) is a new program that can identify DNA motifs occurring with a high deviation from the expected frequency. The program generates families of patterns, each family having a common set of defined bases. Undefined bases are inserted amongst the defined bases in different ways, t...

journal_title：Nucleic acids research

authors： Valle G

更新日期：1993-11-11 00:00:00

abstract：:We have formed complexes of relaxed closed circular Col E1 DNA with various combinations of histones, and examined the effects of treating the complexes with nicking-closing enzyme. Germond et al (1) have shown that when a mixture of the four core histones of the nucleosome (HIA, H2B, H3 and H4) is used in such an exp...

journal_title：Nucleic acids research

authors： Camerini-Otero RD,Felsenfeld G

更新日期：1977-01-01 00:00:00

abstract：:Negative superhelical strain induces the poly(dG)-poly(dC) sequence to adopt two totally different types of triple-helices, either a dG.dG.dC triplex in the presence of Mg(+)+ at both neutral and acidic pHs or a protonated dC+.dG.dC triplex in the absence of Mg(+)+ ions at acidic pH (1). To examine whether there are s...

journal_title：Nucleic acids research

authors： Kohwi-Shigematsu T,Kohwi Y

更新日期：1991-08-11 00:00:00

abstract：:iSARST is a web server for efficient protein structural similarity searches. It is a multi-processor, batch-processing and integrated implementation of several structural comparison tools and two database searching methods: SARST for common structural homologs and CPSARST for homologs with circular permutations. iSARS...

journal_title：Nucleic acids research

authors： Lo WC,Lee CY,Lee CC,Lyu PC

更新日期：2009-07-01 00:00:00

abstract：:The prokaryotic beta recombinase catalyzes site-specific recombination between two directly oriented minimal six sites in chromatin-integrated substrates. Here, we demonstrate that an enhanced green fluorescent protein (EGFP)-fused version of beta recombinase (beta-EGFP) is fully active, retaining most specific activi...

journal_title：Nucleic acids research

authors： Servert P,Garcia-Castro J,Díaz V,Lucas D,Gonzalez MA,Martínez-A C,Bernad A

更新日期：2006-01-03 00:00:00

abstract：:Evidence will be presented to show that the allyl group is suitable for the protection of a 3'-terminal phosphodiester function. The latter will be demonstrated by the synthesis, via a phosphotriester approach, of two cyclic tetraribonucleotides [r(AAAA) and r(UAMe2UAMe2)], two cyclic hexadeoxyribonucleotides [d(CGCGC...

journal_title：Nucleic acids research

authors： de Vroom E,Broxterman HJ,Sliedregt LA,van der Marel GA,van Boom JH

更新日期：1988-05-25 00:00:00