Primary structure differences between proteins C1 and C2 of HeLa 40S nuclear ribonucleoprotein particles.

abstract：:Bacteriophage T4 Dda helicase has recently been shown to be active as a monomer for unwinding of short duplex oligonucleotides and for displacing streptavidin from 3'-biotinylated oligonucleotides. However, its activity for streptavidin displacement and DNA unwinding has been shown to increase as the number of Dda mol...

journal_title：Nucleic acids research

authors： Byrd AK,Raney KD

更新日期：2006-05-31 00:00:00

abstract：:The small nucleolar RNA U3 is essential for viability in yeast. We have previously shown that U3 can be cross-linked in vivo to the pre-rRNA in the 5' external transcribed spacer (ETS), at +470. This ETS region contains 10 nucleotides of perfect complementarity to U3. In a genetic background where the mutated rDNA is ...

journal_title：Nucleic acids research

authors： Beltrame M,Henry Y,Tollervey D

更新日期：1994-10-11 00:00:00

abstract：:Post-transcriptional methylation of ribose at position O-2' is one of the most common and conserved types of RNA modification. Details of the functional roles of these methylations are far from clear, although in tRNA they are involved at position 34 in regulation of codon recognition and in eukaryotic rRNAs they are ...

journal_title：Nucleic acids research

authors： Qiu F,McCloskey JA

更新日期：1999-09-15 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：:Intron retention (IR) has been proposed to modulate the delay between transcription and translation. Here, we provide an exhaustive characterization of IR in differentiated white blood cells from both the myeloid and lymphoid lineage where we observed highest levels of IR in monocytes and B-cells, in addition to previ...

journal_title：Nucleic acids research

authors： Ullrich S,Guigó R

更新日期：2020-02-20 00:00:00

abstract：:The estrogen receptor (ER) contains two nonacidic transcriptional activation functions, AF-1 and AF-2 (formerly TAF-1 and TAF-2). In this study we show that AF-1 and AF-2 are able to stimulate transcription in vitro in a HeLa cell system when fused to the DNA binding domain of the yeast activator GAL4. We also demonst...

journal_title：Nucleic acids research

authors： Brou C,Wu J,Ali S,Scheer E,Lang C,Davidson I,Chambon P,Tora L

更新日期：1993-01-11 00:00:00

abstract：:DNA binding of heat shock factor 2 (HSF2) is induced during hemin-induced differentiation of human erythroleukemia cell line K562. To identify the transcriptional activation and the regulatory domains of HSF2, we constructed a series of deletion derivatives fused to the yeast GAL4 DNA binding domain and analyzed their...

journal_title：Nucleic acids research

authors： Yoshima T,Yura T,Yanagi H

更新日期：1998-06-01 00:00:00

abstract：:The comprehensive multiplatform genomics data generated by The Cancer Genome Atlas (TCGA) Research Network is an enabling resource for cancer research. It includes an unprecedented amount of microRNA sequence data: ~11 000 libraries across 33 cancer types. Combined with initiatives like the National Cancer Institute G...

journal_title：Nucleic acids research

authors： Chu A,Robertson G,Brooks D,Mungall AJ,Birol I,Coope R,Ma Y,Jones S,Marra MA

更新日期：2016-01-08 00:00:00

abstract：:In Trypanosoma brucei, the mutually exclusive expression of the major surface antigens, the variant surface glycoprotein (VSG) of the bloodstream form and procyclin of the procyclic form, is due to a stage-specific accumulation of the respective mRNAs. Through the targeting of a reporter construct in the procyclin pro...

journal_title：Nucleic acids research

authors： Vanhamme L,Berberof M,Le Ray D,Pays E

更新日期：1995-06-11 00:00:00

abstract：:A nucleic acid affinity matrix containing a short oligodeoxynucleotide ligand has been prepared as an example of a material which can be used for the rapid and effective isolation of sequence specific DNA binding proteins. Two complementary oligodeoxynucleotides have been employed, one of which contains a small 5'-spa...

journal_title：Nucleic acids research

authors： Blanks R,McLaughlin LW

更新日期：1988-11-11 00:00:00

abstract：:The laminin (LM)-database, hosted at http://www.lm.lncc.br, was published in the NAR database 2011 edition. It was the first database that provided comprehensive information concerning a non-collagenous family of extracellular matrix proteins, the LMs. In its first version, this database contained a large amount of in...

journal_title：Nucleic acids research

authors： Golbert DC,Santana-van-Vliet E,Mundstein AS,Calfo V,Savino W,de Vasconcelos AT

更新日期：2014-01-01 00:00:00

abstract：:Synthesis of (p)ppRNA-DNA chains by purified HeLa cell DNA primase-DNA polymerase alpha (pol alpha-primase) was compared with those synthesized by a multiprotein form of DNA polymerase alpha (pol alpha 2) using unique single-stranded DNA templates containing the origin of replication for simian virus 40 (SV40) DNA. Th...

journal_title：Nucleic acids research

authors： Vishwanatha JK,Yamaguchi M,DePamphilis ML,Baril EF

更新日期：1986-09-25 00:00:00

abstract：:Bacterial Hfq is a protein that plays an important role in the regulation of genes in cooperation with sRNAs. Escherichia coli Hfq (EcHfq) has two or more sites that bind RNA(s) including U-rich and/or the poly(A) tail of mRNA. However, functional and structural information about Bacillus subtilis Hfq (BsHfq) includin...

journal_title：Nucleic acids research

authors： Someya T,Baba S,Fujimoto M,Kawai G,Kumasaka T,Nakamura K

更新日期：2012-02-01 00:00:00

abstract：:Escherichia coli MutY is an adenine and a weak guanine DNA glycosylase involved in reducing mutagenic effects of 7,8-dihydro-8-oxo-guanine (8-oxoG). The C-terminal domain of MutY is required for 8-oxoG recognition and is critical for mutation avoidance of oxidative damage. To determine which residues of this domain ar...

journal_title：Nucleic acids research

authors： Li L,Lu AL

更新日期：2003-06-15 00:00:00

abstract：:The Restriction-modification system AhdI contains two convergent transcription units, one with genes encoding methyltransferase subunits M and S and another with genes encoding the controller (C) protein and the restriction endonuclease (R). We show that AhdI transcription is controlled by two independent regulatory l...

journal_title：Nucleic acids research

authors： Bogdanova E,Djordjevic M,Papapanagiotou I,Heyduk T,Kneale G,Severinov K

更新日期：2008-03-01 00:00:00

abstract：:The complete nucleotide sequence of the mitochondrial DNA of the amphioxus Branchiostoma lanceolatum has been determined. This mitochondrial genome is small (15 076 bp) because of the short size of the two rRNA genes and the tRNA genes. In addition, this genome contains a very short non-coding region (57 bp) with no s...

journal_title：Nucleic acids research

authors： Spruyt N,Delarbre C,Gachelin G,Laudet V

更新日期：1998-07-01 00:00:00

abstract：:DNA adenine methyltransferase (Dam) is widespread and conserved among the γ-proteobacteria. Methylation of the Ade in GATC sequences regulates diverse bacterial cell functions, including gene expression, mismatch repair and chromosome replication. Dam also controls virulence in many pathogenic Gram-negative bacteria. ...

journal_title：Nucleic acids research

authors： Horton JR,Zhang X,Blumenthal RM,Cheng X

更新日期：2015-04-30 00:00:00

abstract：:A DNA copy of influenza A/NT/60/68 viral RNA segment 2, corresponding to protein P1, has been cloned in the E.coli plasmid pBr322. The clone is 2341 nucleotides long and represents a full-length copy of the viral RNA. In the viral complementary (plus sense) strand there is an open reading frame that is 2271 nucleotide...

journal_title：Nucleic acids research

authors： Bishop DH,Huddleston JA,Brownlee GG

更新日期：1982-02-25 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：:To synchronize SV40 replicons, simian cells infected with a tsA mutant were restricted at 40 degrees, to complete ongoing replication and returned to 32 degrees, to activate new replicons in the presence of the DNA chain elongation inhibitor aphidicolin. Upon further incubation at 40 degrees without the drug, 3H-dT wa...

journal_title：Nucleic acids research

authors： Dinter-Gottlieb G,Kaufmann G

更新日期：1982-01-22 00:00:00

abstract：:The discoidin proteins of Dictyostelium discoideum are highly expressed during development. The Disc I gamma promoter allows the regulation of heterologous protein expression by experimental conditions. We report conditions under which the promoter activity is efficiently repressed during growth in the wildtype strain...

journal_title：Nucleic acids research

authors： Wetterauer BW,Salger K,MacWilliams HK

更新日期：1993-03-25 00:00:00

abstract：:The selective and potent inhibition of mitochondrial translation in Saccharomyces cerevisiae by pentamidine suggests a novel antimicrobial action for this drug. Electrophoresis mobility shift assay, T1 ribonuclease footprinting, hydroxyl radical footprinting and isothermal titration calorimetry collectively demonstrat...

journal_title：Nucleic acids research

authors： Sun T,Zhang Y

更新日期：2008-03-01 00:00:00

abstract：:GAP-43 is a membrane phosphoprotein that is important for the development and plasticity of neural connections. In undifferentiated PC12 pheochromocytoma cells, GAP-43 mRNA degrades rapidly ( t = 5 h), but becomes stable when cells are treated with nerve growth factor. To identify trans- acting factors that may influe...

journal_title：Nucleic acids research

authors： Irwin N,Baekelandt V,Goritchenko L,Benowitz LI

更新日期：1997-03-15 00:00:00

abstract：:The Bayesian regularization method for high-throughput differential analysis, described in Baldi and Long (A Bayesian framework for the analysis of microarray expression data: regularized t-test and statistical inferences of gene changes. Bioinformatics 2001: 17: 509-519) and implemented in the Cyber-T web server, is ...

journal_title：Nucleic acids research

authors： Kayala MA,Baldi P

更新日期：2012-07-01 00:00:00

abstract：:Eucaryotic ribosome biogenesis involves many cis-acting sequences and trans-acting factors, including snoRNAS: We have used directed mutagenesis of rDNA plasmids in yeast to identify critical sequence and structural elements within and flanking the ITS2-proximal stem. This base paired structure, present in the mature ...

journal_title：Nucleic acids research

authors： Côté CA,Peculis BA

更新日期：2001-05-15 00:00:00

abstract：:The chemical reactivity of matched T and C bases to osmium tetroxide and hydroxylamine near mismatched and unmatched bases in a heteroduplex between two strands of DNA with multiple differences was examined. Data was available for matched bases one or two positions away from 24 mismatches. Reactive bases were found ne...

journal_title：Nucleic acids research

authors： Cotton RG,Campbell RD

更新日期：1989-06-12 00:00:00

abstract：:Self-cleaving ribozymes associated with the glmS genes of many Gram-positive bacteria are activated by binding to glucosamine-6-phosphate (GlcN6P). Representatives of the glmS ribozyme class function as metabolite-sensing riboswitches whose self-cleavage activities down-regulate the expression of GlmS enzymes that syn...

journal_title：Nucleic acids research

authors： Link KH,Guo L,Breaker RR

更新日期：2006-01-01 00:00:00

abstract：:Methyl carbon-13 NMR spectra of purified tRNA species are presented for the first time. In addition, these spectra of tRNA species specific for phenylalanine, tyrosine, and cysteine exhibited the first resolution of single methyl carbon resonances. Carbon-13 enriched methyl groups of ribothymidine (T) and 7-methylguan...

journal_title：Nucleic acids research

authors： Agris PF,Schmidt PG

更新日期：1980-05-10 00:00:00

abstract：:The centromere complex is a multicomponent structure essential for faithful chromosome transmission. Here we show that the S. cerevisiae centromere protein Cpf1 bends centromere DNA element I (CDEI) with the bend angle ranging from 66 degrees to 71 degrees. CDEI DNA sequences that carry point mutations which lead to r...

journal_title：Nucleic acids research

authors： Niedenthal RK,Sen-Gupta M,Wilmen A,Hegemann JH

更新日期：1993-10-11 00:00:00

abstract：:The EcoRV DNA-(adenine-N(6))-methyltransferase (M.EcoRV) specifically modifies the first adenine residue within GATATC sequences. During catalysis, the enzyme flips its target base out of the DNA helix and binds it into a target base binding pocket which is formed in part by Lys16 and Tyr196. A cytosine residue is acc...

journal_title：Nucleic acids research

authors： Roth M,Jeltsch A

更新日期：2001-08-01 00:00:00