Molecular characteristics of reiterative DNA unwinding by the Caenorhabditis elegans RecQ helicase.

abstract：:We present version 2 of the SPINE system for structural proteomics. SPINE is available over the web at http://nesg.org. It serves as the central hub for the Northeast Structural Genomics Consortium, allowing collaborative structural proteomics to be carried out in a distributed fashion. The core of SPINE is a laborato...

journal_title：Nucleic acids research

authors： Goh CS,Lan N,Echols N,Douglas SM,Milburn D,Bertone P,Xiao R,Ma LC,Zheng D,Wunderlich Z,Acton T,Montelione GT,Gerstein M

更新日期：2003-06-01 00:00:00

abstract：:Transcriptional regulation of the delta-aminolevulinic acid synthetase gene of Rhizobium meliloti was investigated under conditions of normal vegetative growth and during symbiosis with the legume host alfalfa. S1 nuclease mapping and DNA sequence analysis indicated that transcription originates from two sites separat...

journal_title：Nucleic acids research

authors： Leong SA,Williams PH,Ditta GS

更新日期：1985-08-26 00:00:00

abstract：:Clustered regularly interspaced short palindromic repeats (CRISPR), in combination with CRISPR associated (cas) genes, constitute CRISPR-Cas bacterial adaptive immune systems. To generate immunity, these systems acquire short sequences of nucleic acids from foreign invaders and incorporate these into their CRISPR arra...

journal_title：Nucleic acids research

authors： Richter C,Dy RL,McKenzie RE,Watson BN,Taylor C,Chang JT,McNeil MB,Staals RH,Fineran PC

更新日期：2014-07-01 00:00:00

abstract：:A normal human population has been screened for the existence of further restriction fragment length polymorphisms (RFLPs) in the clotting factor IX gene in addition to the TaqI polymorphism already characterised (1,2). Two polymorphic loci were found, both within 6 Kb of the TaqI polymorphism within the body of the f...

journal_title：Nucleic acids research

authors： Winship PR,Anson DS,Rizza CR,Brownlee GG

更新日期：1984-12-11 00:00:00

abstract：:Dictyostelium discoideum is of increasing interest as a model eukaryotic cell because its many attributes have recently been expanded to include improved genetic and biochemical manipulability. The ability to transform Dictyostelium using drug resistance as a selectable marker (1) and to gene target by high frequency ...

journal_title：Nucleic acids research

authors： Warrick HM,Spudich JA

更新日期：1988-07-25 00:00:00

abstract：:Adaptation of eucaryotic cDNA to heterologous expression was studied by mutating the translation initiation (TI) region upstream (mTI) and downstream (MTI) of the start codon. In the mTI subregion the 8 bases flanking the invariant Shine-Dalgarno motif GG-AG were mutagenized exhaustively, while the MTI subregion was s...

journal_title：Nucleic acids research

authors： Bücheler US,Werner D,Schirmer RH

更新日期：1992-06-25 00:00:00

abstract：:In kinetoplastid protozoa, mitochondrial (mt) mRNAs are post-transcriptionally edited by insertion and deletion of uridylate residues, the information being provided by guide (g)RNAs. Currently popular mechanisms for the editing process envisage a series of consecutive 'cut-and-paste' reactions, carried out by a compl...

journal_title：Nucleic acids research

authors： Blom D,Burg Jv,Breek CK,Speijer D,Muijsers AO,Benne R

更新日期：2001-07-15 00:00:00

abstract：:Transcriptional co-activator LEDGF/p75 is the major cellular interactor of HIV-1 integrase (IN), critical to efficient viral replication. In this work, a series of INs from the Betaretrovirus, Gammaretrovirus, Deltaretrovirus, Spumavirus and Lentivirus retroviral genera were tested for interaction with the host factor...

journal_title：Nucleic acids research

authors： Cherepanov P

更新日期：2007-01-01 00:00:00

abstract：:The DNA unwinding element (DUE) is a sequence rich in adenine and thymine residues present within the origin region of both prokaryotic and eukaryotic replicons. Recently, it has been shown that this is the site where bacterial DnaA proteins, the chromosomal replication initiators, form a specific nucleoprotein filame...

journal_title：Nucleic acids research

authors： Wegrzyn K,Fuentes-Perez ME,Bury K,Rajewska M,Moreno-Herrero F,Konieczny I

更新日期：2014-07-01 00:00:00

abstract：:Mutations of the KRAS proto-oncogene are associated with several tumor types, which is why it is being considered as a target for anti-cancer drug development. The human KRAS promoter contains a nuclease hypersensitive element (NHE), which can bind to nuclear proteins and is believed to form G-quadruplex structures. P...

journal_title：Nucleic acids research

authors： Podbevšek P,Plavec J

更新日期：2016-01-29 00:00:00

abstract：:The multiprotein complexes involved in active dis-ruption of chromatin structure, homologous to yeast SWI/SNF complex, have been described for human and Drosophila cells. In all SWI/SNF-class complexes characterised so far, one of the key components is the SNF5-type protein. Here we describe the isolation of a plant (...

journal_title：Nucleic acids research

authors： Brzeski J,Podstolski W,Olczak K,Jerzmanowski A

更新日期：1999-06-01 00:00:00

abstract：:In addition to the cap-dependent mechanism, eukaryotic initiation of translation can occur by a cap-independent mechanism which directs ribosomes to defined start codons enabled by internal ribosome entry site (IRES) elements. IRES elements from poliovirus and encephalomyocarditis virus are often used to construct bi-...

journal_title：Nucleic acids research

authors： Hennecke M,Kwissa M,Metzger K,Oumard A,Kröger A,Schirmbeck R,Reimann J,Hauser H

更新日期：2001-08-15 00:00:00

abstract：:High-throughput sequencing technologies enable direct approaches to catalog and analyze snapshots of the total small RNA content of living cells. Characterization of high-throughput sequencing data requires bioinformatic tools offering a wide perspective of the small RNA transcriptome. Here we present SeqBuster, a hig...

journal_title：Nucleic acids research

authors： Pantano L,Estivill X,Martí E

更新日期：2010-03-01 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：:In many viruses and transposons, expression of some genes requires alternative reading of the genetic code, also called recoding. Such events depend on specific mRNA sequences and can lead to read through of an in-frame stop codon or to +1 or -1 frameshifting. Here, we addressed the issue of conservation of recoding r...

journal_title：Nucleic acids research

authors： Stahl G,Bidou L,Rousset JP,Cassan M

更新日期：1995-05-11 00:00:00

abstract：:The extent of base pairing in Escherichia coli and Bacillus stearothermophilus 5S RNAs was determined by infrared spectroscopy. From the infrared spectra taken at 20 degrees and 52 degrees C it is concluded that E. coli and B. stearothermophlius 5S RNAs possess a large number of base pairs (Table I). Comparison of our...

journal_title：Nucleic acids research

authors： Appel B,Erdmann VA,Stulz J,Ackerman T

更新日期：1979-10-25 00:00:00

abstract：:A DNA region of 2750 base pairs encompassing the genes III, VI and I of bacteriophage M13 has been sequenced by the Maxam-Gilbert procedure. By establishing the nucleotide changes introduced by several amber mutations, the coding region and the regulatory signals of each gene have been deduced. The genes appear to spa...

journal_title：Nucleic acids research

authors： van Wezenbeek P,Schoenmakers JG

更新日期：1979-06-25 00:00:00

abstract：:The transcription factor HIV-TF1, which binds to a region about 60 bp upstream from the enhancer of the human immunodeficiency virus-1 (HIV-1), was purified from human B cells. HIV-TF1 had a molecular weight of 39,000. Binding of HIV-TF1 to the HIV long terminal repeat (LTR) activated transcription from the HIV promot...

journal_title：Nucleic acids research

authors： Maekawa T,Sudo T,Kurimoto M,Ishii S

更新日期：1991-09-11 00:00:00

abstract：:Using synthetic oligodeoxyribonucleotides to prime the transcription of interferon mRNA and cDNA, we recently determined the mRNA sequence coding for the 47 amino-terminal amino acids of mature human fibroblast interferon (1). From this sequence, we have now synthesised an oligodeoxyribonucleotide that is homologous w...

journal_title：Nucleic acids research

authors： Houghton M,Easton MA,Stewart AG,Smith JC,Doel SM,Catlin GH,Lewis HM,Patel TP,Emtage JS,Carey NH,Porter AG

更新日期：1980-07-11 00:00:00

abstract：:In the known monoclinic crystals the 3-dimensional structure of the hexameric, replicative helicase RepA encoded by plasmid RSF1010 shows 6-fold rotational symmetry. In contrast, in the cubic crystal form at 2.55 A resolution described here RepA has 3-fold symmetry and consists of a trimer of dimers. To study structur...

journal_title：Nucleic acids research

authors： Ziegelin G,Niedenzu T,Lurz R,Saenger W,Lanka E

更新日期：2003-10-15 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：:Methylation of CpG motifs in DNA is involved in the control of gene expression and in several other epigenic effects. It suppresses also the immuno-stimulation properties of bacterial or viral DNAs that contain CPGS: However, effects of methylation on the DNA structure and dynamics are not clear. Here we carried out a...

journal_title：Nucleic acids research

authors： Derreumaux S,Chaoui M,Tevanian G,Fermandjian S

更新日期：2001-06-01 00:00:00

abstract：:RNase D was recently reported as a new enzymatic activity associated with HIV-1 reverse transcriptase (RT), cleaving RNA at two positions within the double-stranded region of the tRNA primer-viral RNA template complex (Ben-Artzi et al., Proc. Natl. Acad. Sci. USA 89 (1992) 927-931). This would make RNase D a fourth di...

journal_title：Nucleic acids research

authors： Hostomsky Z,Hudson GO,Rahmati S,Hostomska Z

更新日期：1992-11-11 00:00:00

abstract：:The positions of the trfA and trfB promoters of broad host range IncP plasmid RK2 (identical to RP1, RP4, R68 and R18 ) were identified by RNA polymerase protection studies, and the nucleotide sequences of the promoter regions determined. A mutation within the trfA promoter sequence is associated with loss of kilD act...

journal_title：Nucleic acids research

authors： Smith CA,Shingler V,Thomas CM

更新日期：1984-04-25 00:00:00

abstract：:When B cells differentiate into plasma cells, there is a large increase in the cellular content of mRNA coding for immunoglobulin. This increase cannot be fully accounted for by the increase in rate of transcription of the genes. We have investigated the possibility that the half-life of mu heavy chain mRNA increases ...

journal_title：Nucleic acids research

authors： Cox A,Emtage JS

更新日期：1989-12-25 00:00:00

abstract：:With the abundant mammalian lncRNAs identified recently, a comprehensive annotation resource for these novel lncRNAs is an urgent need. Since its first release in November 2016, AnnoLnc has been the only online server for comprehensively annotating novel human lncRNAs on-the-fly. Here, with significant updates to mult...

journal_title：Nucleic acids research

authors： Ke L,Yang DC,Wang Y,Ding Y,Gao G

更新日期：2020-07-02 00:00:00

abstract：:Motor proteins that translocate on nucleic acids are key players in gene expression and maintenance. While the function of these proteins is diverse, they are driven by highly conserved core motor domains. In transcription-coupled DNA repair, motor activity serves to remove RNA polymerase stalled on damaged DNA, makin...

journal_title：Nucleic acids research

authors： Murphy MN,Gong P,Ralto K,Manelyte L,Savery NJ,Theis K

更新日期：2009-10-01 00:00:00

abstract：:Cellular ribonucleic acid (RNA) plays a crucial role in the initial conversion of cellular prion protein PrP(C) to infectious PrP(Sc) or scrapie. The nature of this RNA remains elusive. Previously, RNA aptamers against PrP(C) have been isolated and found to form G-quadruplexes (G4s). PrP(C) binding to G4 RNAs destabil...

journal_title：Nucleic acids research

authors： Olsthoorn RC

更新日期：2014-08-01 00:00:00

abstract：:The CATH database of protein domain structures (http://www.biochem.ucl.ac.uk/bsm/cath_new) currently contains 34 287 domain structures classified into 1383 superfamilies and 3285 sequence families. Each structural family is expanded with domain sequence relatives recruited from GenBank using a variety of efficient seq...

journal_title：Nucleic acids research

authors： Pearl FM,Bennett CF,Bray JE,Harrison AP,Martin N,Shepherd A,Sillitoe I,Thornton J,Orengo CA

更新日期：2003-01-01 00:00:00

abstract：:Patients with Alzheimer's disease (AD) exhibit higher levels of 8-oxo-guanine (8-oxoG) DNA lesions in their brain, suggesting a reduced or defective 8-oxoG repair. To test this hypothesis, this study investigated 14 AD patients and 10 age-matched controls for mutations of the major 8-oxoG removal gene OGG1. Whereas no...

journal_title：Nucleic acids research

authors： Mao G,Pan X,Zhu BB,Zhang Y,Yuan F,Huang J,Lovell MA,Lee MP,Markesbery WR,Li GM,Gu L

更新日期：2007-01-01 00:00:00