Topoisomerase II regulates yeast genes with singular chromatin architectures.

abstract：:The advent of RNA-sequencing and microarray technologies has led to rapid growth of transcriptome data generated for a wide range of organisms, under various cellular, organ and individual conditions. Since the number of possible combinations of intercellular and extracellular conditions is almost unlimited, catalogin...

journal_title：Nucleic acids research

authors： Obayashi T,Kagaya Y,Aoki Y,Tadaka S,Kinoshita K

更新日期：2019-01-08 00:00:00

abstract：:HotSpot Wizard is a web server used for the automated identification of hotspots in semi-rational protein design to give improved protein stability, catalytic activity, substrate specificity and enantioselectivity. Since there are three orders of magnitude fewer protein structures than sequences in bioinformatic datab...

journal_title：Nucleic acids research

authors： Sumbalova L,Stourac J,Martinek T,Bednar D,Damborsky J

更新日期：2018-07-02 00:00:00

abstract：:A new system, ZCURVE 1.0, for finding protein- coding genes in bacterial and archaeal genomes has been proposed. The current algorithm, which is based on the Z curve representation of the DNA sequences, lays stress on the global statistical features of protein-coding genes by taking the frequencies of bases at three c...

journal_title：Nucleic acids research

authors： Guo FB,Ou HY,Zhang CT

更新日期：2003-03-15 00:00:00

abstract：:A UCSD Pascal program was developed which can analyze nucleic acid dot matrices of up to 9500 X 9500 in size on the Apple II computer. Although matrices of such size consume large amounts of computer memory, this program minimizes these problems by analyzing only small strips of the matrix at a time, and then transfer...

journal_title：Nucleic acids research

authors： Zweig SE

更新日期：1984-01-11 00:00:00

abstract：:Protein classification by machine learning algorithms is now widely used in structural and functional annotation of proteins. The Protein Classification Benchmark collection (http://hydra.icgeb.trieste.it/benchmark) was created in order to provide standard datasets on which the performance of machine learning methods ...

journal_title：Nucleic acids research

authors： Sonego P,Pacurar M,Dhir S,Kertész-Farkas A,Kocsor A,Gáspári Z,Leunissen JA,Pongor S

更新日期：2007-01-01 00:00:00

abstract：:The International Mouse Phenotyping Consortium (IMPC) web portal (http://www.mousephenotype.org) provides the biomedical community with a unified point of access to mutant mice and rich collection of related emerging and existing mouse phenotype data. IMPC mouse clinics worldwide follow rigorous highly structured and ...

journal_title：Nucleic acids research

authors： Koscielny G,Yaikhom G,Iyer V,Meehan TF,Morgan H,Atienza-Herrero J,Blake A,Chen CK,Easty R,Di Fenza A,Fiegel T,Grifiths M,Horne A,Karp NA,Kurbatova N,Mason JC,Matthews P,Oakley DJ,Qazi A,Regnart J,Retha A,Santos

更新日期：2014-01-01 00:00:00

abstract：:Recent studies show that the region of DNA brought into close proximity to the fetal gamma-globin genes in deletional forms of hereditary persistence of fetal hemoglobin (HPFH) is selectively hypomethylated (and presumably active) in normal erythroid tissue. This region is normally located approximately 100 kilobases ...

journal_title：Nucleic acids research

authors： Poncz M,Sutton M,Delgrosso K,Schwartz E,Surrey S

更新日期：1987-07-10 00:00:00

abstract：:Insertion of microRNA target sequences into the flavivirus genome results in selective tissue-specific attenuation and host-range restriction of live attenuated vaccine viruses. However, previous strategies for miRNA-targeting did not incorporate a mechanism to prevent target elimination under miRNA-mediated selective...

journal_title：Nucleic acids research

authors： Tsetsarkin KA,Liu G,Shen K,Pletnev AG

更新日期：2016-04-20 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：:From a sarkosyl-insoluble outer membrane fraction prepared from the Helicobacter pylori strain ATCC 43504, 19 proteins could be sequenced N-terminally by Edman degradation. Oligonucleotides were deduced and used for screening of a genomic library. From the isolated genes, five code for different members of a H.pylori ...

journal_title：Nucleic acids research

authors： Peck B,Ortkamp M,Diehl KD,Hundt E,Knapp B

更新日期：1999-08-15 00:00:00

abstract：:Rad51 protein promotes homologous recombination in eukaryotes. Recombination activities are activated by Rad51 filament assembly on ssDNA. Previous studies of yeast Rad51 showed that His352 occupies an important position at the filament interface, where it could relay signals between subunits and active sites. To inve...

journal_title：Nucleic acids research

authors： Chen J,Villanueva N,Rould MA,Morrical SW

更新日期：2010-08-01 00:00:00

abstract：:Detecting recombinations in the genome sequence of human immunodeficiency virus (HIV-1) is crucial for epidemiological studies and for vaccine development. Herein, we present a web server for subtyping and localization of phylogenetic breakpoints in HIV-1. Our software is based on a jumping profile Hidden Markov Model...

journal_title：Nucleic acids research

authors： Zhang M,Schultz AK,Calef C,Kuiken C,Leitner T,Korber B,Morgenstern B,Stanke M

更新日期：2006-07-01 00:00:00

abstract：:During the last years, the demand for custom-made cDNA chips/arrays as well as whole genome chips is increasing rapidly. The efficient selection of gene-specific primers/oligomers is of the utmost importance for the successful production of such chips. We developed GenomePRIDE, a highly flexible and scalable software ...

journal_title：Nucleic acids research

authors： Haas SA,Hild M,Wright AP,Hain T,Talibi D,Vingron M

更新日期：2003-10-01 00:00:00

abstract：:Holliday junction (HJ) resolving enzyme RecU is involved in DNA repair and recombination. We have determined the crystal structure of inactive mutant (D88N) of RecU from Bacillus subtilis in complex with a 12 base palindromic DNA fragment at a resolution of 3.2 Å. This structure shows the stalk region and the essentia...

journal_title：Nucleic acids research

authors： Khavnekar S,Dantu SC,Sedelnikova S,Ayora S,Rafferty J,Kale A

更新日期：2017-01-25 00:00:00

abstract：:We have determined the nucleotide sequence at the 3' end of the vesicular stomatitis virus (VSV) polymerase or L gene and compared it to that obtained from a defective interfering particle (DI) RNA generated by this virus. The latter (DI 0.50) contains a large internal deletion within this gene. The deletion begins ex...

journal_title：Nucleic acids research

authors： De BK,Perrault J

更新日期：1982-11-11 00:00:00

abstract：:MicroRNAs (miRNAs) are small RNA molecules that regulate gene expression. They are characterized by specific maturation processes defined by canonical and non-canonical biogenic pathways. Analysis of ∼0.5 billion sequences from mouse data sets derived from different tissues, developmental stages and cell types, partly...

journal_title：Nucleic acids research

authors： Castellano L,Stebbing J

更新日期：2013-03-01 00:00:00

abstract：:The Pathway Tools cellular overview diagram is a visual representation of the biochemical network of an organism. The overview is automatically created from a Pathway/Genome Database describing that organism. The cellular overview includes metabolic, transport and signaling pathways, and other membrane and periplasmic...

journal_title：Nucleic acids research

authors： Paley SM,Karp PD

更新日期：2006-08-07 00:00:00

abstract：:Chicken globin double-stranded cDNA was synthesised from anaemic adult reticulocyte alpha- and beta-globin mRNA and ligated into the Hind III site of pBR322 using synthetic Hind III decamers. Transformation of E. coli x1776 resulted in the production of a number of alpha- and beta-cDNA clones. One of the alpha-type cl...

journal_title：Nucleic acids research

authors： Deacon NJ,Shine J,Naora H

更新日期：1980-03-25 00:00:00

abstract：:To facilitate transcript mapping and to investigate alterations in genomic structure and gene expression in a defined genomic target, we developed a novel microarray-based method to detect transcriptional activity of the human chromosome 4q22-24 region. Loss of heterozygosity of human 4q22-24 is frequently observed in...

journal_title：Nucleic acids research

authors： Li LH,Li JC,Lin YF,Lin CY,Chen CY,Tsai SF

更新日期：2004-02-11 00:00:00

abstract：:RNA duplex stability depends strongly on ionic conditions, and inside cells RNAs are exposed to both monovalent and multivalent ions. Despite recent advances, we do not have general methods to quantitatively account for the effects of monovalent and multivalent ions on RNA stability, and the thermodynamic parameters f...

journal_title：Nucleic acids research

authors： Bizarro CV,Alemany A,Ritort F

更新日期：2012-08-01 00:00:00

abstract：:A class of heterogeneous nuclear RNA (hnRNA) molecules contain an internal transcribed poly A sequence of close to 25 uninterrupted AMP residues. HnRNA molecules containing this sequence are separable from those containing the large 3' terminal poly A sequence on the basis of their differential affinity for oligo dT c...

journal_title：Nucleic acids research

authors： Venkatesan S,Nakazato H,Kopp DW,Edmonds M

更新日期：1979-03-01 00:00:00

abstract：:We have used in vitro site-directed mutagenesis with synthetic DNA oligonucleotides to introduce single nucleotide mutations in yeast mtDNA. In addition to the expected DNA alterations we also recovered with high frequency mutants with large deletions and insertions which arose through interaction with the synthetic D...

journal_title：Nucleic acids research

authors： Osinga KA,Van der Bliek AM,Van der Horst G,Groot Koerkamp MJ,Tabak HF,Veeneman GH,Van Boom JH

更新日期：1983-12-20 00:00:00

abstract：:Two different genomic genes for the COUP-transcription factor, COUP-TF I and COUP-TF II, have been isolated from a human cosmid genomic library using a [32P]-labeled cDNA probe. Data obtained from Southern blot analysis of these cosmid clones indicated that two closely related genes exist in the human genome and have ...

journal_title：Nucleic acids research

authors： Ritchie HH,Wang LH,Tsai S,O'Malley BW,Tsai MJ

更新日期：1990-12-11 00:00:00

abstract：:Homologous recombination (HR) is a highly accurate mechanism of DNA repair that can be exploited for homology-directed gene targeting. Since in most cell types HR occurs very infrequently (approximately 10(-6) to 10(-8)), its practical application has been largely restricted to specific experimental systems that allow...

journal_title：Nucleic acids research

authors： van Nierop GP,de Vries AA,Holkers M,Vrijsen KR,Gonçalves MA

更新日期：2009-09-01 00:00:00

abstract：:With the development of High-Throughput Sequencing (HTS) thousands of human genomes have now been sequenced. Whenever different studies analyze the same genome they usually agree on the amount of single-nucleotide polymorphisms, but differ dramatically on the number of insertion and deletion variants (indels). Further...

journal_title：Nucleic acids research

authors： Jiang Y,Turinsky AL,Brudno M

更新日期：2015-09-03 00:00:00

abstract：:Human 2'-5' oligoadenylate synthetase-1 (OAS1) is central in innate immune system detection of cytoplasmic double-stranded RNA (dsRNA) and promotion of host antiviral responses. However, the molecular signatures that promote OAS1 activation are currently poorly defined. We show that the 3'-end polyuridine sequence of ...

journal_title：Nucleic acids research

authors： Vachon VK,Calderon BM,Conn GL

更新日期：2015-01-01 00:00:00

abstract：:This paper examines theoretically the effects that restraints on the tertiary structure of a superhelical DNA domain exert on the energetics of linking and the onset of conformational transitions. The most important tertiary constraint arises from the nucleosomal winding of genomic DNA in vivo. Conformational transiti...

journal_title：Nucleic acids research

authors： Benham CJ

更新日期：1987-12-10 00:00:00

abstract：:A new approach has been developed for the rapid fragmentation and fractionation of DNA into a size suitable for shotgun cloning and sequencing. The restriction endonuclease CviJI normally cleaves the recognition sequence PuGCPy between the G and C to leave blunt ends. Atypical reaction conditions which alter the speci...

journal_title：Nucleic acids research

authors： Fitzgerald MC,Skowron P,Van Etten JL,Smith LM,Mead DA

更新日期：1992-07-25 00:00:00

abstract：:The NCBI has introduced two new web resources-LocusLink and RefSeq-that facilitate retrieval of gene-based information and provide reference sequence standards. These resources are designed to provide a non-redundant view of current knowledge about human genes, transcripts and proteins. Additional information about th...

journal_title：Nucleic acids research

authors： Maglott DR,Katz KS,Sicotte H,Pruitt KD

更新日期：2000-01-01 00:00:00

abstract：:Mitochondrial DNA is a sensitive target of chemical carcinogens (Backer and Weinstein (1980) Science 209, 297-299), suggesting that mutations of the mitochondrial genome occur in tumor cells. We examined this point by comparing mitochondrial DNA sequences in four rat tumors with those of normal rat liver. Some novel m...

journal_title：Nucleic acids research

authors： Taira M,Yoshida E,Kobayashi M,Yaginuma K,Koike K

更新日期：1983-03-25 00:00:00