2-Thiouracil deprived of thiocarbonyl function preferentially base pairs with guanine rather than adenine in RNA and DNA duplexes.

abstract：:The unknown modified nucleotide G*, isolated from both Schizosaccharomyces pombe and Torulopsis utilis initiator tRNAs(Met), has been identified as an O-ribosyl-(1"----2')-guanosine-5"-phosphate, called Gr(p), by means of HPLC, UV-absorption, mass spectrometry and periodate oxidation procedures. By comparison with the...

journal_title：Nucleic acids research

authors： Glasser AL,Desgres J,Heitzler J,Gehrke CW,Keith G

更新日期：1991-10-11 00:00:00

abstract：:Modification of chromatin and related transcription factors by histone deacetylases (HDACs) is one of the major strategies for controlling gene expression in eukaryotes. The HDAC domains of class IIa HDACs repress the respective target genes by interacting with the C-terminal region of the silencing mediator for retin...

journal_title：Nucleic acids research

authors： Park SY,Kim GS,Hwang HJ,Nam TH,Park HS,Song J,Jang TH,Lee YC,Kim JS

更新日期：2018-12-14 00:00:00

abstract：:Because of their high nucleotide sequence homology, the specific detection of mRNA transcripts of individual members of a gene family presents certain problems. Here we apply and defend the single nucleotide primer extension (SNuPE) as a simple, specific, and highly quantitative assay for this purpose. The method dist...

journal_title：Nucleic acids research

authors： Lombardo AJ,Brown GB

更新日期：1996-12-01 00:00:00

abstract：:Trinucleotide exchange (TriNEx) is a method for generating novel molecular diversity during directed evolution by random substitution of one contiguous trinucleotide sequence for another. Single trinucleotide sequences were deleted at random positions in a target gene using the engineered transposon MuDel that were su...

journal_title：Nucleic acids research

authors： Baldwin AJ,Busse K,Simm AM,Jones DD

更新日期：2008-08-01 00:00:00

abstract：:Four phage clones which hybridize with U1 small nuclear RNA were obtained from a rat gene library. Two clones contain a presumed pseudogene. A third clone includes two gene candidates that are co-linear with the rat U1-RNA, 3.6kb apart and in the opposite orientation. The two genes are surrounded by identical sequence...

journal_title：Nucleic acids research

authors： Watanabe-Nagasu N,Itoh Y,Tani T,Okano K,Koga N,Okada N,Ohshima Y

更新日期：1983-03-25 00:00:00

abstract：:Nonsense-mediated mRNA decay (NMD) is a molecular pathway of mRNA surveillance that ensures rapid degradation of mRNAs containing premature translation termination codons (PTCs) in eukaryotes. NMD has been shown to also regulate normal gene expression and thus emerged as one of the key post-transcriptional mechanisms ...

journal_title：Nucleic acids research

authors： Viegas MH,Gehring NH,Breit S,Hentze MW,Kulozik AE

更新日期：2007-01-01 00:00:00

abstract：:The hybridization of complementary strands of DNA is the underlying principle of all microarray-based techniques for the analysis of DNA variation. In this paper, we study how probe immobilization at surfaces, specifically probe density, influences the kinetics of target capture using surface plasmon resonance (SPR) s...

journal_title：Nucleic acids research

authors： Peterson AW,Heaton RJ,Georgiadis RM

更新日期：2001-12-15 00:00:00

abstract：:We have reported on the differences in site-specific cleavage between DNA and DNA-RNA hybrids by various prototypic DNA cleavers (accompanying paper). In the case of bleomycin (BLM), degradation at 5'-GC-3'sites was suppressed relative to the same sequence in double-stranded DNA, while 5'-GT-3' damage remained constan...

journal_title：Nucleic acids research

authors： Bansal M,Stubbe J,Kozarich JW

更新日期：1997-05-01 00:00:00

abstract：:DNA triplet repeats, 5'-d(CTG)n and 5'-d(CAG)n, are present in genes which have been implicated in several neurodegenerative disorders. To investigate possible stable structures formed by these repeating sequences, we have examined d(CTG)n, d(CAG)n and d(CTG).d(CAG)n (n = 2 and 3) using NMR and UV optical spectroscopy...

journal_title：Nucleic acids research

authors： Smith GK,Jie J,Fox GE,Gao X

更新日期：1995-11-11 00:00:00

abstract：:Influenza A virus (IAV) genomes are composed of eight single-stranded RNA segments that are coated by viral nucleoprotein (NP) molecules. Classically, the interaction between NP and viral RNA (vRNA) is depicted as a uniform pattern of 'beads on a string'. Using high-throughput sequencing of RNA isolated by crosslinkin...

journal_title：Nucleic acids research

authors： Lee N,Le Sage V,Nanni AV,Snyder DJ,Cooper VS,Lakdawala SS

更新日期：2017-09-06 00:00:00

abstract：:A theoretical approach for linkage mapping the genome of any higher eukaryote is described. It uses the polymerase chain reaction, oligonucleotides of random sequence and single haploid cells. Markers are defined and then the DNA of a single sperm is broken at random (eg by gamma-rays) and physically split into 3 aliq...

journal_title：Nucleic acids research

authors： Dear PH,Cook PR

更新日期：1989-09-12 00:00:00

abstract：:Transcriptional repression of pathogen defense-related genes is essential for plant growth and development. Several proteins are known to be involved in the transcriptional regulation of plant defense responses. However, mechanisms by which expression of defense-related genes are regulated by repressor proteins are po...

journal_title：Nucleic acids research

authors： Kim HS,Park HC,Kim KE,Jung MS,Han HJ,Kim SH,Kwon YS,Bahk S,An J,Bae DW,Yun DJ,Kwak SS,Chung WS

更新日期：2012-10-01 00:00:00

abstract：:The multifunctional RNA-dependent RNA polymerase L protein of vesicular stomatitis virus catalyzes unconventional pre-mRNA capping via the covalent enzyme-pRNA intermediate formation, which requires the histidine-arginine (HR) motif in the polyribonucleotidyltransferase domain. Here, the effects of cap-defective mutat...

journal_title：Nucleic acids research

authors： Ogino T

更新日期：2014-10-29 00:00:00

abstract：:We have investigated the distribution of mitochondrial DNA polymorphisms in a rare maternally transmitted genetic trait that causes hypersensitivity to aminoglycoside antibiotics, in the hope that a characterization of its molecular basis might provide a molecular and cellular understanding of aminoglycoside-induced d...

journal_title：Nucleic acids research

authors： Hutchin T,Haworth I,Higashi K,Fischel-Ghodsian N,Stoneking M,Saha N,Arnos C,Cortopassi G

更新日期：1993-09-11 00:00:00

abstract：:Intramolecular RNA cross-links were induced within the large ribosomal subunit of E. coli by mild ultraviolet irradiation. Regions of the 23S RNA previously implicated in interactions with ribosomal-bound tRNA were then specifically excised by addressed cleavage using ribonuclease H, in conjunction with synthetic comp...

journal_title：Nucleic acids research

authors： Mitchell P,Osswald M,Schueler D,Brimacombe R

更新日期：1990-08-11 00:00:00

abstract：:For the rapid and sensitive detection of p53 'hot spot' mutations, we combined polymerase chain reaction based single-strand conformational polymorphism (PCR-SSCP) analysis with sequence specific-clamping by peptide nucleic acids (PNAs) in a one-step reaction tube protocol. For this purpose, we designed two PNA molecu...

journal_title：Nucleic acids research

authors： Behn M,Schuermann M

更新日期：1998-03-01 00:00:00

abstract：:Transcriptional interference between adjacent genes has been demonstrated in a variety of biological systems. To study this process in RNA polymerase II (pol II) transcribed genes we have analysed the effect of transcription on tandem HIV-1 promoters integrated into the genome of HeLa cells. We show that transcription...

journal_title：Nucleic acids research

authors： Greger IH,Demarchi F,Giacca M,Proudfoot NJ

更新日期：1998-03-01 00:00:00

abstract：:A new way of studying RNA-protein complexes, using neutron small angle scattering in solution, is described and was applied in the case of the system, yeast valyl-tRNA synthetase, interacting with its cognate and non cognate yeast tRNAs. It was shown that, when limited amounts of tRNA (either cognate or non cognate) a...

journal_title：Nucleic acids research

authors： Giegé R,Jacrot B,Moras D,Thierry JC,Zaccai G

更新日期：1977-07-01 00:00:00

abstract：:A simple and efficient gene replacement method, based on the recombination and repair activities of the cell, was developed. The method permits the targeted construction of markerless deletions, insertions and point mutations in the Escherichia coli chromosome. A suicide plasmid, carrying the mutant allele and the rec...

journal_title：Nucleic acids research

authors： Pósfai G,Kolisnychenko V,Bereczki Z,Blattner FR

更新日期：1999-11-15 00:00:00

abstract：:Increasing experimental evidence shows a prominent role of histone modifications in the coordinated control of gene expression in the human malaria parasite Plasmodium falciparum. The search for the histone-mark-reading machinery that translates histone modifications into biological processes, such as formation of het...

journal_title：Nucleic acids research

authors： Pérez-Toledo K,Rojas-Meza AP,Mancio-Silva L,Hernández-Cuevas NA,Delgadillo DM,Vargas M,Martínez-Calvillo S,Scherf A,Hernandez-Rivas R

更新日期：2009-05-01 00:00:00

abstract：:The Biodegradative Strain Database (BSD) is a freely-accessible, web-based database providing detailed information on degradative bacteria and the hazardous substances that they degrade, including corresponding literature citations, relevant patents and links to additional web-based biological and chemical data. The B...

journal_title：Nucleic acids research

authors： Urbance JW,Cole J,Saxman P,Tiedje JM

更新日期：2003-01-01 00:00:00

abstract：:We have investigated the substrate specificity of the Ogg1 protein of Saccharomyces cerevisiae (yOgg1 protein) for excision of modified DNA bases from oxidatively damaged DNA substrates using gas chromatography/isotope dilution mass spectrometry. Four DNA substrates prepared by treatment with H2O2/Fe(III)-EDTA/ascorbi...

journal_title：Nucleic acids research

authors： Karahalil B,Girard PM,Boiteux S,Dizdaroglu M

更新日期：1998-03-01 00:00:00

abstract：:Bulk replicative DNA synthesis in eukaryotes is highly accurate and efficient, primarily because of two DNA polymerases (Pols): Pols δ and ε. The high fidelity of these enzymes is due to their intrinsic base selectivity and proofreading exonuclease activity which, when coupled with post-replication mismatch repair, he...

journal_title：Nucleic acids research

authors： Korona DA,Lecompte KG,Pursell ZF

更新日期：2011-03-01 00:00:00

abstract：:IslandViewer (http://pathogenomics.sfu.ca/islandviewer) is a web-accessible application for the computational prediction and analysis of genomic islands (GIs) in bacterial and archaeal genomes. GIs are clusters of genes of probable horizontal origin and are of high interest because they disproportionately encode virul...

journal_title：Nucleic acids research

authors： Dhillon BK,Chiu TA,Laird MR,Langille MG,Brinkman FS

更新日期：2013-07-01 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：:We recently reported that the antitumor triazoloacridone, compound C-1305, is a topoisomerase II poison with unusual properties. In this study we characterize the DNA interactions of C-1305 in vitro, in comparison with other topoisomerase II inhibitors. Our results show that C-1305 binds to DNA by intercalation and po...

journal_title：Nucleic acids research

authors： Lemke K,Wojciechowski M,Laine W,Bailly C,Colson P,Baginski M,Larsen AK,Skladanowski A

更新日期：2005-10-27 00:00:00

abstract：:High-throughput screening assays have been developed to rapidly identify small molecule inhibitors targeting catalytic group I introns. Biochemical reactions catalyzed by a self-splicing group I intron derived from Pneumocystis carinii or from bacteriophage T4 have been investigated. In vitro biochemical assays amenab...

journal_title：Nucleic acids research

authors： Mei HY,Cui M,Sutton ST,Truong HN,Chung FZ,Czarnik AW

更新日期：1996-12-15 00:00:00

abstract：:Fluorescence anisotropy and fluorescence correlation spectroscopy measurements of rhodamine-labeled DNA oligonucleotide duplexes have been used to determine equilibrium binding constants for DNA binding of the prokaryotic transcription activator protein NtrC. Measurements were made with wild-type NtrC from Escherichia...

journal_title：Nucleic acids research

authors： Sevenich FW,Langowski J,Weiss V,Rippe K

更新日期：1998-03-15 00:00:00

abstract：:Augmented biological activity in vitro has been demonstrated in oligonucleotides (oligos) modified to provide nuclease resistance, to enhance cellular uptake or to increase target affinity. How chemical modification affects the duration of effect of an oligo with potent activity has not been investigated directly. We ...

journal_title：Nucleic acids research

authors： Tam RC,Li Y,Noonberg S,Hwang DG,Lui G,Hunt CA,Garovoy MR

更新日期：1994-03-25 00:00:00

abstract：:Alternative splicing of mRNA precursors results in multiple protein variants from a single gene and is critical for diverse cellular processes and development. Xist encodes a long noncoding RNA which is a central player to induce X-chromosome inactivation in female mammals and has two major splicing variants: long and...

journal_title：Nucleic acids research

authors： Yue M,Ogawa Y

更新日期：2018-03-16 00:00:00