On the mechanism of tRNA methylase-tRNA recognition.

abstract：:The interactions of archetypical nucleic acid ligands with the HIV-1 polypurine tract (PPT) RNA:DNA hybrid, as well as analogous DNA:DNA, RNA:RNA and swapped hybrid substrates, were used to probe structural features of the PPT that contribute to its specific recognition and processing by reverse transcriptase (RT). Re...

journal_title：Nucleic acids research

authors： Turner KB,Brinson RG,Yi-Brunozzi HY,Rausch JW,Miller JT,Le Grice SF,Marino JP,Fabris D

更新日期：2008-05-01 00:00:00

abstract：:Deciphering gene regulatory network architecture amounts to the identification of the regulators, conditions in which they act, genes they regulate, cis-acting motifs they bind, expression profiles they dictate and more complex relationships between alternative regulatory partnerships and alternative regulatory motifs...

journal_title：Nucleic acids research

authors： Garten Y,Kaplan S,Pilpel Y

更新日期：2005-01-31 00:00:00

abstract：:We have used 2-aminopurine (2AP) as a fluorescent probe in the template strand of a 13/20mer primer/template (D) to detect deoxynucleoside triphosphates (N)-dependent conformational changes exhibited by RB69 DNA polymerase (ED) complexes. The rates and amplitudes of fluorescence quenching depend hyperbolically on the ...

journal_title：Nucleic acids research

authors： Zhang H,Cao W,Zakharova E,Konigsberg W,De La Cruz EM

更新日期：2007-01-01 00:00:00

abstract：:Lytic infection with polyoma virus leads in Go-arrested primary mouse kidney cell cultures to a mitotic host response. In the present work we focused our attention on cellular RNA synthesis shortly after onset of polyoma T-antigen synthesis. Onset of polyoma-induced stimulation of 45S pre-rRNA synthesis was determined...

journal_title：Nucleic acids research

authors： Matter JM,Tiercy JM,Weil R

更新日期：1983-10-11 00:00:00

abstract：:Equilibrative nucleoside transporters (ENTs) are a recently characterized and poorly understood group of membrane proteins that are important in the uptake of endogenous nucleosides required for nucleic acid and nucleoside triphosphate synthesis. Despite their central importance in cellular metabolism and nucleoside a...

journal_title：Nucleic acids research

authors： Sankar N,Machado J,Abdulla P,Hilliker AJ,Coe IR

更新日期：2002-10-15 00:00:00

abstract：:Findings from clinical and biological studies are often not reproducible when tested in independent cohorts. Due to the testing of a large number of hypotheses and relatively small sample sizes, results from whole-genome expression studies in particular are often not reproducible. Compared to single-study analysis, ge...

journal_title：Nucleic acids research

authors： Sweeney TE,Haynes WA,Vallania F,Ioannidis JP,Khatri P

更新日期：2017-01-09 00:00:00

abstract：:Various environmental oxidative stresses are sensed by redox-sensitive regulators through cysteine thiol oxidation or modification. A few zinc-containing anti-sigma (ZAS) factors in actinomycetes have been reported to respond sensitively to thiol oxidation, among which RsrA from Streptomyces coelicolor is best charact...

journal_title：Nucleic acids research

authors： Jung YG,Cho YB,Kim MS,Yoo JS,Hong SH,Roe JH

更新日期：2011-09-01 00:00:00

abstract：:Smarcal1 is a SWI/SNF-family protein with an ATPase domain involved in DNA-annealing activities and a binding site for the RPA single-strand-DNA-binding protein. Although the role played by Smarcal1 in the maintenance of replication forks has been established, it remains unknown whether Smarcal1 contributes to genomic...

journal_title：Nucleic acids research

authors： Keka IS,Mohiuddin,Maede Y,Rahman MM,Sakuma T,Honma M,Yamamoto T,Takeda S,Sasanuma H

更新日期：2015-07-27 00:00:00

abstract：:Nuclear organization of chromatin is an important level of genome regulation with positional changes of genes occurring during reprogramming. Inherent variability of biological specimens, wide variety of sample preparation and imaging conditions, though pose significant challenges to data analysis and comparison. Here...

journal_title：Nucleic acids research

authors： Jost KL,Haase S,Smeets D,Schrode N,Schmiedel JM,Bertulat B,Herzel H,Cremer M,Cardoso MC

更新日期：2011-09-01 00:00:00

abstract：:Replication of the promiscuous plasmid pMV158 requires expression of the initiator repB gene, which is controlled by the repressor CopG. Genes repB and copG are co-transcribed from promoter P(cr). We have studied the interactions between RNA polymerase, CopG and the promoter to elucidate the mechanism of repression by...

journal_title：Nucleic acids research

authors： Hernández-Arriaga AM,Rubio-Lepe TS,Espinosa M,del Solar G

更新日期：2009-08-01 00:00:00

abstract：:Single genes are often subject to alternative splicing, which generates alternative mature mRNAs. This phenomenon is widespread in animals, and observed in over 90% of human genes. Recent data suggest it may also be common in Apicomplexa. These parasites have small genomes, and economy of DNA is evolutionarily favoure...

journal_title：Nucleic acids research

authors： Yeoh LM,Goodman CD,Hall NE,van Dooren GG,McFadden GI,Ralph SA

更新日期：2015-05-19 00:00:00

abstract：:Many, if not all, mRNAs in T.brucei start with the same sequence of 35 nucleotides, separately encoded in clustered so-called mini-exon repeats. From these mini-exon repeats a 141-nt precursor RNA with the 35-nt sequence at its 5' end is transcribed. Indirect evidence suggests that this RNA is linked in a second step ...

journal_title：Nucleic acids research

authors： Kooter JM,Borst P

更新日期：1984-12-21 00:00:00

abstract：:A new E. coli strain has been constructed that contains the dinD1::LacZ+ fusion and is deficient in methylation-dependent restriction systems (McrA-, McrBC-, Mrr-). This strain has been used to clone restriction endonuclease genes directly into E. coli. When E. coli cells are not fully protected by the cognate methyla...

journal_title：Nucleic acids research

authors： Fomenkov A,Xiao JP,Dila D,Raleigh E,Xu SY

更新日期：1994-06-25 00:00:00

abstract：:The mRNAs for different variant surface antigens of Trypanosoma brucei start with the same 35 nucleotides. This sequence is encoded by a separate mini-exon, located in a 1.35-kb repetitive element. We have reported that trypanosomes contain many transcripts that hybridize to mini-exon probes, even if they do not make ...

journal_title：Nucleic acids research

authors： De Lange T,Michels PA,Veerman HJ,Cornelissen AW,Borst P

更新日期：1984-05-11 00:00:00

abstract：:High-resolution structures of proteins remain the most valuable source for understanding their function in the cell and provide leads for drug design. Since the availability of sufficient protein structures to tackle complex problems such as modeling backbone moves or docking remains a problem, alternative approaches ...

journal_title：Nucleic acids research

authors： Vanhee P,Verschueren E,Baeten L,Stricher F,Serrano L,Rousseau F,Schymkowitz J

更新日期：2011-01-01 00:00:00

abstract：:Initial steps in the synthesis of functional tRNAs require 5'- and 3'-processing of precursor tRNAs (pre-tRNAs), which in yeast mitochondria are achieved by two endonucleases, RNase P and RNase Z. In this study, using a combination of detergent-free Blue Native Gel Electrophoresis, proteomics and in vitro testing of p...

journal_title：Nucleic acids research

authors： Daoud R,Forget L,Lang BF

更新日期：2012-02-01 00:00:00

abstract：:Small regulatory RNAs (sRNAs) from bacterial chromosomes became the focus of research over the past five years. However, relatively little is known in terms of structural requirements, kinetics of interaction with their targets and degradation in contrast to well-studied plasmid-encoded antisense RNAs. Here, we presen...

journal_title：Nucleic acids research

authors： Heidrich N,Moll I,Brantl S

更新日期：2007-01-01 00:00:00

abstract：:Gene set enrichment testing can enhance the biological interpretation of ChIP-seq data. Here, we develop a method, ChIP-Enrich, for this analysis which empirically adjusts for gene locus length (the length of the gene body and its surrounding non-coding sequence). Adjustment for gene locus length is necessary because ...

journal_title：Nucleic acids research

authors： Welch RP,Lee C,Imbriano PM,Patil S,Weymouth TE,Smith RA,Scott LJ,Sartor MA

更新日期：2014-07-01 00:00:00

abstract：:This study describes a novel functional property of the eukaryotic transcription factor NF-kappa B in altering the DNA structure. We observed that the binding of purified NF-kappa B to DNA was facilitated by spermine and cations which are known to promote DNA bending, and by a nick in one position at the 3'-end of the...

journal_title：Nucleic acids research

authors： Schreck R,Zorbas H,Winnacker EL,Baeuerle PA

更新日期：1990-11-25 00:00:00

abstract：:Natural antisense transcripts are at least partially complementary to their sense transcripts. Cis-Sense/Antisense pairs (cis-SAs) have been extensively characterized and known to play diverse regulatory roles, whereas trans-Sense/Antisense pairs (trans-SAs) in animals are poorly studied. We identified long trans-SAs ...

journal_title：Nucleic acids research

authors： Li JT,Zhang Y,Kong L,Liu QR,Wei L

更新日期：2008-09-01 00:00:00

abstract：:Biological evolution resulted in a homochiral world in which nucleic acids consist exclusively of d-nucleotides and proteins made by ribosomal translation of l-amino acids. From the perspective of synthetic biology, however, particularly anabolic enzymes that could build the mirror-image counterparts of biological mac...

journal_title：Nucleic acids research

authors： Pech A,Achenbach J,Jahnz M,Schülzchen S,Jarosch F,Bordusa F,Klussmann S

更新日期：2017-04-20 00:00:00

abstract：:The cDNA encoding Chinese hamster O6-alkylguanine-DNA-alkyltransferase (ATase) has been isolated from a library prepared from RNA isolated from V79 lung fibroblasts which had an upregulated level of this repair activity following stepwise selection with a chloroethylating agent (1, 2). Expression of the cDNA in E. col...

journal_title：Nucleic acids research

authors： Rafferty JA,Elder RH,Watson AJ,Cawkwell L,Potter PM,Margison GP

更新日期：1992-04-25 00:00:00

abstract：:Functionality of the non-coding transcripts encoded by the human genome is the coveted goal of the modern genomics research. While commonly relied on the classical methods of forward genetics, integration of different genomics datasets in a global Systems Biology fashion presents a more productive avenue of achieving ...

journal_title：Nucleic acids research

authors： St Laurent G,Vyatkin Y,Antonets D,Ri M,Qi Y,Saik O,Shtokalo D,de Hoon MJ,Kawaji H,Itoh M,Lassmann T,Arner E,Forrest AR,FANTOM consortium.,Nicolas E,McCaffrey TA,Carninci P,Hayashizaki Y,Wahlestedt C,Kapranov P

更新日期：2016-04-20 00:00:00

abstract：:Phospho3D is a database of three-dimensional (3D) structures of phosphorylation sites (P-sites) derived from the Phospho.ELM database, which also collects information on the residues surrounding the P-site in space (3D zones). The database also provides the results of a large-scale structural comparison of the 3D zone...

journal_title：Nucleic acids research

authors： Zanzoni A,Carbajo D,Diella F,Gherardini PF,Tramontano A,Helmer-Citterich M,Via A

更新日期：2011-01-01 00:00:00

abstract：:Human telomerase reverse transcriptase (hTERT), the catalytic subunit of human telomerase, contains conserved motifs common to retroviral reverse transcriptases and telomerases. Within the C motif of hTERT is the Leu866-Val867-Asp868-Asp869 tetrapeptide that includes a catalytically essential aspartate dyad. Site-dire...

journal_title：Nucleic acids research

authors： Drosopoulos WC,Prasad VR

更新日期：2007-01-01 00:00:00

abstract：:Targeted delivery of antisense oligonucleotides (ASO) to hepatocytes via the asialoglycoprotein receptor (ASGR) has improved the potency of ASO drugs ∼30-fold in the clinic (1). In order to fully characterize the effect of GalNAc valency, oligonucleotide length, flexibility and chemical composition on ASGR binding, we...

journal_title：Nucleic acids research

authors： Schmidt K,Prakash TP,Donner AJ,Kinberger GA,Gaus HJ,Low A,Østergaard ME,Bell M,Swayze EE,Seth PP

更新日期：2017-03-17 00:00:00

abstract：:Spliceosomes are assembled in stages. The first stage forms complex E, which is characterized by the presence of U1 snRNPs base-paired to the 5' splice site, components recognizing the 3' splice site and proteins thought to connect them. The splice sites are held in close proximity and the pre-mRNA is committed to spl...

journal_title：Nucleic acids research

authors： Hodson MJ,Hudson AJ,Cherny D,Eperon IC

更新日期：2012-08-01 00:00:00

abstract：:Cells respond to DNA damage by activating both cellular growth arrest and DNA repair processes. In Saccharomyces cerevesiae the RAD9 gene controls DNA damage-mediated cell cycle arrest that is known to allow efficient repair. To ascertain whether RAD9 plays a role in DNA repair per se, the removal of UV-induced photol...

journal_title：Nucleic acids research

authors： Al-Moghrabi NM,Al-Sharif IS,Aboussekhra A

更新日期：2001-05-15 00:00:00

abstract：:The alternative proliferating-cell nuclear antigen (PCNA)-loader CTF18-RFC forms a stable complex with DNA polymerase ε (Polε). We observed that, under near-physiological conditions, CTF18-RFC alone loaded PCNA inefficiently, but loaded it efficiently when complexed with Polε. During efficient PCNA loading, CTF18-RFC ...

journal_title：Nucleic acids research

authors： Fujisawa R,Ohashi E,Hirota K,Tsurimoto T

更新日期：2017-05-05 00:00:00

abstract：:Equilibrium and kinetics of thermal melting of yeast 5S ribosomal RNA in aqueous NaCl with or without Mg2+ were investigated by differential thermal melting and temperature jump methods. Two peaks (1 and 2) and a shoulder were observed in each of melting curves at ionic strength I=0.002-0.5 and linearity between each ...

journal_title：Nucleic acids research

authors： Ohta S,Maruyama S,Nitta K,Sugai S

更新日期：1983-05-25 00:00:00