DNA topoisomerase from Agrobacterium tumefaciens: purification and catalytic properties.

abstract：:Human Silent Information Regulator Type 1 (SIRT1) is an NAD(+)-dependent deacetylase protein which is an intermediary of cellular metabolism in gene silencing and aging. SIRT1 has been extensively investigated and shown to delay senescence; however, less is known about the regulation of SIRT1 during aging. In this stu...

journal_title：Nucleic acids research

authors： Han L,Zhou R,Niu J,McNutt MA,Wang P,Tong T

更新日期：2010-11-01 00:00:00

abstract：:We describe a simple procedure for photolithographic patterning of streptavidin on silicon substrates. Long wavelength UV (365 nm) light was used to direct the covalent attachment of photoactivatable biotin onto silylated silicon wafers. Fluorescently labeled streptavidin was found to bind only in areas exposed to the...

journal_title：Nucleic acids research

authors： Sabanayagam CR,Smith CL,Cantor CR

更新日期：2000-04-15 00:00:00

abstract：:The structure in solution of an RNA fragment (218 nucleotides long) containing part of E. coli 16S rRNA domain 2 has been studied using the intrinsic photoaffinity probe 4-thiouridine (s4U). In vitro transcription with T7 polymerase, in the presence of s4U triphosphate yielded complete RNA molecules. An affinity elect...

journal_title：Nucleic acids research

authors： Dubreuil YL,Expert-Bezançon A,Favre A

更新日期：1991-07-11 00:00:00

abstract：:In the present study, the relationship between short interfering RNA (siRNA) sequence and RNA interference (RNAi) effect was extensively analyzed using 62 targets of four exogenous and two endogenous genes and three mammalian and Drosophila cells. We present the rules that may govern siRNA sequence preference and in a...

journal_title：Nucleic acids research

authors： Ui-Tei K,Naito Y,Takahashi F,Haraguchi T,Ohki-Hamazaki H,Juni A,Ueda R,Saigo K

更新日期：2004-02-09 00:00:00

abstract：:U6 RNA is a member of a class of small abundant stable nuclear RNAs that are essential for splicing. In all species examined so far, the U6 RNA is a RNA polymerase III transcript. The U6 gene of the fission yeast Schizosaccharomyces pombe is unusual in that it is interrupted by an intron whose structure is similar to ...

journal_title：Nucleic acids research

authors： Potashkin J,Frendewey D

更新日期：1989-10-11 00:00:00

abstract：:Recent studies have shown that homologous recombination (HR) requires chromatin repression as well as relaxation at DNA double strand breaks (DSBs). HP1 and SUV39H1/2 are repressive factors essential for HR. Here, we identify SETDB1 as an additional compacting factor promoting HR. Depletion of HP1, SUV39, SETDB1 or BR...

journal_title：Nucleic acids research

authors： Alagoz M,Katsuki Y,Ogiwara H,Ogi T,Shibata A,Kakarougkas A,Jeggo P

更新日期：2015-09-18 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：: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：:PrankWeb is an online resource providing an interface to P2Rank, a state-of-the-art method for ligand binding site prediction. P2Rank is a template-free machine learning method based on the prediction of local chemical neighborhood ligandability centered on points placed on a solvent-accessible protein surface. Points...

journal_title：Nucleic acids research

authors： Jendele L,Krivak R,Skoda P,Novotny M,Hoksza D

更新日期：2019-07-02 00:00:00

abstract：:Hg-UMP-containing transcripts made from chick erythroid chromatins with E. coli RNA polymerase hybridize to chick globin cDNA. Contamination with endogenous globin RNA has been largely removed by purification on SH-agarose columns at 55 degrees C. Some endogenous globin mRNA sequences remain, probably as hybrids with ...

journal_title：Nucleic acids research

authors： Konkel DA,Ingram VM

更新日期：1978-04-01 00:00:00

abstract：:PAHdb (http://www.mcgill.ca/pahdb ) is a curated relational database (Fig. 1) of nucleotide variation in the human PAH cDNA (GenBank U49897). Among 328 different mutations by state (Fig. 2) the majority are rare mutations causing hyperphenylalaninemia (HPA) (OMIM 261600), the remainder are polymorphic variants without...

journal_title：Nucleic acids research

authors： Nowacki PM,Byck S,Prevost L,Scriver CR

更新日期：1998-01-01 00:00:00

abstract：:The nucleobase modification 5-methylcytosine (m(5)C) is widespread both in DNA and different cellular RNAs. The functions and enzymatic mechanisms of DNA m(5)C-methylation were extensively studied during the last decades. However, the location, the mechanism of formation and the cellular function(s) of the same modifi...

journal_title：Nucleic acids research

authors： Motorin Y,Lyko F,Helm M

更新日期：2010-03-01 00:00:00

abstract：:PIECE (Plant Intron Exon Comparison and Evolution) is a web-accessible database that houses intron and exon information of plant genes. PIECE serves as a resource for biologists interested in comparing intron-exon organization and provides valuable insights into the evolution of gene structure in plant genomes. Recent...

journal_title：Nucleic acids research

authors： Wang Y,Xu L,Thilmony R,You FM,Gu YQ,Coleman-Derr D

更新日期：2017-01-04 00:00:00

abstract：:Myotonic dystrophy type 1 (DM1) is an autosomal dominant multisystemic disorder caused by expansion of CTG triplet repeats in 3'-untranslated region of DMPK gene. The pathomechanism of DM1 is driven by accumulation of toxic transcripts containing expanded CUG repeats (CUG(exp)) in nuclear foci which sequester several ...

journal_title：Nucleic acids research

authors： Wojtkowiak-Szlachcic A,Taylor K,Stepniak-Konieczna E,Sznajder LJ,Mykowska A,Sroka J,Thornton CA,Sobczak K

更新日期：2015-03-31 00:00:00

abstract：:We have determined the genomic structure of the fosB gene and shown that it consists of 4 exons and 3 introns at positions also found in the c-fos gene. By deletion analysis we have characterized a region upstream of the TATA box which is the promoter region of the gene. Several consensus sequences have been identifie...

journal_title：Nucleic acids research

authors： Lazo PS,Dorfman K,Noguchi T,Mattéi MG,Bravo R

更新日期：1992-01-25 00:00:00

abstract：:According to the recruitment model of transcriptional activation, an activator helps initiate transcription by bringing the RNA polymerase to a specific location on the DNA through interaction with components of the transcriptional machinery. However, it is difficult to isolate and define the activities of specific ac...

journal_title：Nucleic acids research

authors： Wang S,Shepard JR,Shi H

更新日期：2010-04-01 00:00:00

abstract：:Copy number variants (CNVs) are currently defined as genomic sequences that are polymorphic in copy number and range in length from 1000 to several million base pairs. Among current array-based CNV detection platforms, long-oligonucleotide arrays promise the highest resolution. However, the performance of currently av...

journal_title：Nucleic acids research

authors： Cahan P,Godfrey LE,Eis PS,Richmond TA,Selzer RR,Brent M,McLeod HL,Ley TJ,Graubert TA

更新日期：2008-04-01 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：:We have isolated 2'-Fluoro-substituted RNA aptamers that bind to streptavidin (SA) with an affinity around 7 +/- 1.8 nM, comparable with that of recently described peptide aptamers. Binding to SA was not prevented by prior saturation with biotin, enabling nucleic acid aptamers to form useful ternary complexes. Mutagen...

journal_title：Nucleic acids research

authors： Tahiri-Alaoui A,Frigotto L,Manville N,Ibrahim J,Romby P,James W

更新日期：2002-05-15 00:00:00

abstract：:Detection of cell-free DNA in liquid biopsies offers great potential for use in non-invasive prenatal testing and as a cancer biomarker. Fetal and tumor DNA fractions however can be extremely low in these samples and ultra-sensitive methods are required for their detection. Here, we report an extremely simple and fast...

journal_title：Nucleic acids research

authors： Ståhlberg A,Krzyzanowski PM,Jackson JB,Egyud M,Stein L,Godfrey TE

更新日期：2016-06-20 00:00:00

abstract：:Next generation sequencing is widely used to link genetic variants to diseases, and it has massively accelerated the diagnosis and characterization of rare genetic diseases. After initial bioinformatic data processing, the interactive analysis of genome, exome, and panel sequencing data typically starts from lists of ...

journal_title：Nucleic acids research

authors： Müller H,Jimenez-Heredia R,Krolo A,Hirschmugl T,Dmytrus J,Boztug K,Bock C

更新日期：2017-07-03 00:00:00

abstract：:Transcriptionally non-co-linear (NCL) transcripts can originate from trans-splicing (trans-spliced RNA; 'tsRNA') or cis-backsplicing (circular RNA; 'circRNA'). While numerous circRNAs have been detected in various species, tsRNAs remain largely uninvestigated. Here, we utilize integrative transcriptome sequencing of p...

journal_title：Nucleic acids research

authors： Chuang TJ,Chen YJ,Chen CY,Mai TL,Wang YD,Yeh CS,Yang MY,Hsiao YT,Chang TH,Kuo TC,Cho HH,Shen CN,Kuo HC,Lu MY,Chen YH,Hsieh SC,Chiang TW

更新日期：2018-04-20 00:00:00

abstract：:TERC is an RNA component of telomerase. However, TERC is also ubiquitously expressed in most human terminally differentiated cells, which don't have telomerase activity. The function of TERC in these cells is largely unknown. Here, we report that TERC enhances the expression and secretion of inflammatory cytokines by ...

journal_title：Nucleic acids research

authors： Liu H,Yang Y,Ge Y,Liu J,Zhao Y

更新日期：2019-09-05 00:00:00

abstract：:DNA topoisomerase II (topo II) changes DNA topology by cleavage/re-ligation cycle(s) and thus contributes to various nuclear DNA transactions. It is largely unknown how the enzyme is controlled in a nuclear context. Several studies have suggested that its C-terminal domain (CTD), which is dispensable for basal relaxat...

journal_title：Nucleic acids research

authors： Onoda A,Hosoya O,Sano K,Kiyama K,Kimura H,Kawano S,Furuta R,Miyaji M,Tsutsui K,Tsutsui KM

更新日期：2014-08-01 00:00:00

abstract：:Large differences in plant genome sizes are mainly due to numerous events of insertions or deletions (indels). The balance between these events determines the evolutionary direction of genome changes. To address the question of what phenomena trigger these alterations, we compared the genomic sequences of two Arabidop...

journal_title：Nucleic acids research

authors： Ziolkowski PA,Koczyk G,Galganski L,Sadowski J

更新日期：2009-06-01 00:00:00

abstract：:Histone post-translational modifications have been shown to contribute to DNA damage repair. Prior studies have suggested that specific H3K79 methylation states play distinct roles in the response to UV-induced DNA damage. To evaluate these observations, we examined the effect of altered H3K79 methylation patterns on ...

journal_title：Nucleic acids research

authors： Rossodivita AA,Boudoures AL,Mecoli JP,Steenkiste EM,Karl AL,Vines EM,Cole AM,Ansbro MR,Thompson JS

更新日期：2014-06-01 00:00:00

abstract：:In a gene targeting experiment, the generation of a targeting construct often requires complex DNA manipulations. We developed a set of cassettes and plasmids useful for creating targeting vectors to modify the mammalian genome. A positive selection marker cassette (PGK/EM7p-npt), which included dual prokaryotic and e...

journal_title：Nucleic acids research

authors： Aoyama M,Agari K,Sun-Wada GH,Futai M,Wada Y

更新日期：2005-03-22 00:00:00

abstract：:Eukaryotic elongation factor 1 A (eEF1A, formerly elongation factor-1 alpha) is an important component of the protein synthesis apparatus. Here we report the isolation and characterization of the cDNA sequence encoding rabbit eEF1A-2, an isoform of eEF1A, as well as a structural and functional comparison of the two ra...

journal_title：Nucleic acids research

authors： Kahns S,Lund A,Kristensen P,Knudsen CR,Clark BF,Cavallius J,Merrick WC

更新日期：1998-04-15 00:00:00

abstract：:The possibility of cloning large segments of DNA in cosmid vectors offers distinct advantages, in particular for the study of multigene families. Large size fragments of mouse embryo DNA were successfully cloned in the cosmid pHC 79. Twelve recombinants hybridizing specifically to an immunoglobulin kappa chain variabl...

journal_title：Nucleic acids research

authors： Cattaneo R,Gorski J,Mach B

更新日期：1981-06-25 00:00:00

abstract：:The sequencing of the full transcriptome (RNA-seq) has become the preferred choice for the measurement of genome-wide gene expression. Despite its widespread use, challenges remain in RNA-seq data analysis. One often-overlooked aspect is normalization. Despite the fact that a variety of factors or 'batch effects' can ...

journal_title：Nucleic acids research

authors： Peixoto L,Risso D,Poplawski SG,Wimmer ME,Speed TP,Wood MA,Abel T

更新日期：2015-09-18 00:00:00