Splicing of the U6 RNA precursor is impaired in fission yeast pre-mRNA splicing mutants.

abstract：:In most cells, transcriptionally inactive heterochromatin is preferentially localized in the nuclear periphery and transcriptionally active euchromatin is localized in the nuclear interior. Different cell types display characteristic chromatin distribution patterns, which change dramatically during cell differentiatio...

journal_title：Nucleic acids research

authors： Bergqvist C,Niss F,Figueroa RA,Beckman M,Maksel D,Jafferali MH,Kulyté A,Ström AL,Hallberg E

更新日期：2019-05-21 00:00:00

abstract：:Microsatellites, such as (TG)n found at random throughout the genome, or as 3' extensions of Alu sequences are being increasingly used as genetic markers because of their pluriallelic character. The search for polymorphic microsatellites is time consuming, however, as it is necessary to sequence clones containing the ...

journal_title：Nucleic acids research

authors： Charlieu JP,Laurent AM,Carter DA,Bellis M,Roizès G

更新日期：1992-03-25 00:00:00

abstract：:Among four types of bacterial restriction enzymes that cleave a foreign DNA depending on its methylation status, type I enzymes composed of three subunits are interesting because of their unique DNA cleavage and translocation mechanisms performed by the restriction subunit (HsdR). The elucidated N-terminal fragment st...

journal_title：Nucleic acids research

authors： Uyen NT,Park SY,Choi JW,Lee HJ,Nishi K,Kim JS

更新日期：2009-11-01 00:00:00

abstract：:The Blocks Database contains multiple alignments of conserved regions in protein families which can be searched by e-mail (blocks@blocks.fhcrc.org) and World Wide Web (http://blocks.fhcrc.org/ ) servers to classify protein and nucleotide sequences. Recent enhancements to the servers include: (i) improved calculation o...

journal_title：Nucleic acids research

authors： Henikoff JG,Pietrokovski S,Henikoff S

更新日期：1997-01-01 00:00:00

abstract：:The genome stability is maintained by coordinated action of DNA repairs and checkpoints, which delay progression through the cell cycle in response to DNA damage. Rad9 is conserved from yeast to human and functions in cell cycle checkpoint controls. Here, a regulatory mechanism for Rad9 function is reported. In this s...

journal_title：Nucleic acids research

authors： He W,Ma X,Yang X,Zhao Y,Qiu J,Hang H

更新日期：2011-06-01 00:00:00

abstract：:Pathogenic bacteria encounter host-imposed manganese (Mn) limitation during infection. Herein we report that in the human pathogen Streptococcus pyogenes, the adaptive response to Mn limitation is controlled by a DtxR family metalloregulator, MtsR. Genes upregulated by MtsR during Mn limitation include Mn (mtsABC) and...

journal_title：Nucleic acids research

authors： Do H,Makthal N,Chandrangsu P,Olsen RJ,Helmann JD,Musser JM,Kumaraswami M

更新日期：2019-08-22 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

abstract：:In order to systematically analyze the effects of nucleoside modification of sugar moieties in DNA polymerase reactions, we synthesized 16 modified templates containing 2',4'-bridged nucleotides and three types of 2',4'-bridged nucleoside-5'-triphospates with different bridging structures. Among the five types of ther...

journal_title：Nucleic acids research

authors： Kuwahara M,Obika S,Nagashima J,Ohta Y,Suto Y,Ozaki H,Sawai H,Imanishi T

更新日期：2008-08-01 00:00:00

abstract：:Chromatin modulation at various cis-acting elements is critical for V(D)J recombination during T and B cell development. MARbeta, a matrix-associated region (MAR) located upstream of the T cell receptor beta (TCRbeta) enhancer (Ebeta), serves a crucial role in silencing Ebeta-mediated TCR activation. By DNaseI hyperse...

journal_title：Nucleic acids research

authors： Kaul-Ghanekar R,Jalota A,Pavithra L,Tucker P,Chattopadhyay S

更新日期：2004-09-15 00:00:00

abstract：:Pnkp is the end-healing and end-sealing component of an RNA repair system present in diverse bacteria from many phyla. Pnkp is composed of three catalytic modules: an N-terminal polynucleotide 5' kinase, a central 2',3' phosphatase and a C-terminal ligase. The phosphatase module is a Mn(2+)-dependent phosphodiesterase...

journal_title：Nucleic acids research

authors： Wang LK,Smith P,Shuman S

更新日期：2013-06-01 00:00:00

abstract：:Chicken-erythrocyte inner histone tetramer has been complexed with several natural and synthetic DNA duplexes by salt-gradient dialysis at various protein/DNA ratios. The resulting complexes, in low-ionic-strength buffer, have been examined by electron microscopy, circular dichroism, and thermal denaturation. Electron...

journal_title：Nucleic acids research

authors： Bryan PN,Wright EB,Hsie MH,Olins AL,Olins DE

更新日期：1978-10-01 00:00:00

abstract：:Site-directed RNA editing (SDRE) is a strategy to precisely alter genetic information within mRNAs. By linking the catalytic domain of the RNA editing enzyme ADAR to an antisense guide RNA, specific adenosines can be converted to inosines, biological mimics for guanosine. Previously, we showed that a genetically encod...

journal_title：Nucleic acids research

authors： Montiel-González MF,Vallecillo-Viejo IC,Rosenthal JJ

更新日期：2016-12-01 00:00:00

abstract：:As a trial practical application, we have applied optimized microfabricated electrophoresis devices, combined with enzymatic mutation detection methods, to the determination of single nucleotide polymorphism (SNP) sites in the p53 suppressor gene. Using clinical samples, we have achieved robust assays with quality fac...

journal_title：Nucleic acids research

authors： Schmalzing D,Belenky A,Novotny MA,Koutny L,Salas-Solano O,El-Difrawy S,Adourian A,Matsudaira P,Ehrlich D

更新日期：2000-05-01 00:00:00

abstract：:The first step in DNA cleavage at V(D)J recombination signals by RAG1 and RAG2 is creation of a nick at the heptamer/coding flank border. Under proper conditions in vitro the second step, hairpin formation, requires two signals with spacers of 12 and 23 bp, a restriction referred to as the 12/23 rule. Under these cond...

journal_title：Nucleic acids research

authors： Eastman QM,Schatz DG

更新日期：1997-11-01 00:00:00

abstract：:In Saccharomyces cerevisiae, the DNA damage response (DDR) is activated by the spatio-temporal colocalization of Mec1-Ddc2 kinase and the 9-1-1 clamp. In the absence of direct means to monitor Mec1 kinase activation in vivo, activation of the checkpoint kinase Rad53 has been taken as a proxy for DDR activation. Here, ...

journal_title：Nucleic acids research

authors： Janke R,Herzberg K,Rolfsmeier M,Mar J,Bashkirov VI,Haghnazari E,Cantin G,Yates JR 3rd,Heyer WD

更新日期：2010-04-01 00:00:00

abstract：:We describe the unique features of an aberrantly rearranged mu immunoglobulin heavy chain gene isolated from MPC-11 cells (a gamma 2b producing Balb/c plasmacytoma). A novel rearrangement has occurred 1.5 Kb 5' of the MPC-11 mu gene (denoted 18b mu) resulting in the deletion of the majority of the repetitive switch re...

journal_title：Nucleic acids research

authors： Greenberg R,Lang RB,Diamond MS,Marcu KB

更新日期：1982-12-11 00:00:00

abstract：:Allostery is the most direct, rapid and efficient way of regulating protein function, ranging from the control of metabolic mechanisms to signal-transduction pathways. However, an enormous amount of unsystematic allostery information has deterred scientists who could benefit from this field. Here, we present the AlloS...

journal_title：Nucleic acids research

authors： Huang Z,Zhu L,Cao Y,Wu G,Liu X,Chen Y,Wang Q,Shi T,Zhao Y,Wang Y,Li W,Li Y,Chen H,Chen G,Zhang J

更新日期：2011-01-01 00:00:00

abstract：:Present results provide direct evidence of the nature of a conformational change in DNA when nucleosomes are formed from core histones and poly [d(A-T)]. First, we have found some features which have characteristic aspects of the A like conformation of DNA. Thus, an increased contribution due to a sugar conformation c...

journal_title：Nucleic acids research

authors： Brahms S,Brahmachari SK,Angelier N,Brahms JG

更新日期：1981-10-10 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：:The behaviour of highly purified bacterial expressed rat O6-methylguanine-DNA methyltransferase (MGMT) towards the repair of CGCm6GAGCTCGCG and CGCe6GAGCTCGCG (km6G/ke6G = 1.45, where k is the second order repair rate constant determined, m6G and e6G are O6-methyl and O6-ethylguanine) is similar to that of E. coli 39k...

journal_title：Nucleic acids research

authors： Liem LK,Lim A,Li BF

更新日期：1994-05-11 00:00:00

abstract：:The Epstein-Barr virus gene BRLF1 encodes the transcription factor R, which is a sequence-specific DNA-binding protein important for the switch from latency to a productive cycle. We have defined a repertoire of specific R-binding sites using a GST-R fusion protein and a pool of 23 bp random DNA sequences. The R-bound...

journal_title：Nucleic acids research

authors： Gruffat H,Sergeant A

更新日期：1994-04-11 00:00:00

abstract：:Peptidases, their substrates and inhibitors are of great relevance to biology, medicine and biotechnology. The MEROPS database (http://merops.sanger.ac.uk) aims to fulfil the need for an integrated source of information about these. The database has hierarchical classifications in which homologous sets of peptidases a...

journal_title：Nucleic acids research

authors： Rawlings ND,Barrett AJ,Bateman A

更新日期：2012-01-01 00:00:00

abstract：:Approaches to characterize the nucleic acid-binding properties of drugs and druglike small molecules are crucial to understanding the behavior of these compounds in cellular systems. Here, we use a Small Molecule Microarray (SMM) profiling approach to identify the preferential interaction between chlorhexidine, a wide...

journal_title：Nucleic acids research

authors： Calabrese DR,Zlotkowski K,Alden S,Hewitt WM,Connelly CM,Wilson RM,Gaikwad S,Chen L,Guha R,Thomas CJ,Mock BA,Schneekloth JS Jr

更新日期：2018-04-06 00:00:00

abstract：:A growing body of evidence suggests that siRNA could generate off-target effects through different mechanisms. However, the full impact of off-target gene regulation on phenotypic induction and accordingly on data interpretation in the context of large-scale siRNA library screen has not been reported. Here we report o...

journal_title：Nucleic acids research

authors： Lin X,Ruan X,Anderson MG,McDowell JA,Kroeger PE,Fesik SW,Shen Y

更新日期：2005-08-09 00:00:00

abstract：:BioModels Database (http://www.ebi.ac.uk/biomodels/), part of the international initiative BioModels.net, provides access to published, peer-reviewed, quantitative models of biochemical and cellular systems. Each model is carefully curated to verify that it corresponds to the reference publication and gives the proper...

journal_title：Nucleic acids research

authors： Le Novère N,Bornstein B,Broicher A,Courtot M,Donizelli M,Dharuri H,Li L,Sauro H,Schilstra M,Shapiro B,Snoep JL,Hucka M

更新日期：2006-01-01 00:00:00

abstract：:The synthesis of 1-(beta-D-2'-deoxyribosyl)-2-pyrimidinone (dK) and its 5-methyl derivative (d5) from 2'-deoxycytidine or 2'-deoxythymidine, respectively, via silver oxide oxidation of 4-hydrazinopyrimidines is described. The necessary hydrazine substituted pyrimidine nucleosides have been prepared by transamination o...

journal_title：Nucleic acids research

authors： Gildea B,McLaughlin LW

更新日期：1989-03-25 00:00:00

abstract：:The Eco57I restriction endonuclease and methylase were purified to homogeneity from the E.coli RR1 strain carrying the eco57IRM genes on a recombinant plasmid. The molecular weight of the denaturated methylase is 63 kDa. The restriction endonuclease exists in a monomeric form with an apparent molecular weight of 104-1...

journal_title：Nucleic acids research

authors： Janulaitis A,Petrusyte M,Maneliene Z,Klimasauskas S,Butkus V

更新日期：1992-11-25 00:00:00

abstract：:Regulatory T-cells (Treg) play an essential role in the negative regulation of immune answers by developing an attenuated cytokine response that allows suppressing proliferation and effector function of T-cells (CD4(+) Th). The transcription factor FoxP3 is responsible for the regulation of many genes involved in the ...

journal_title：Nucleic acids research

authors： Birzele F,Fauti T,Stahl H,Lenter MC,Simon E,Knebel D,Weith A,Hildebrandt T,Mennerich D

更新日期：2011-10-01 00:00:00

abstract：:MODPROPEP is a web server for knowledge-based modeling of protein-peptide complexes, specifically peptides in complex with major histocompatibility complex (MHC) proteins and kinases. The available crystal structures of protein-peptide complexes in PDB are used as templates for modeling peptides of desired sequence in...

journal_title：Nucleic acids research

authors： Kumar N,Mohanty D

更新日期：2007-07-01 00:00:00

abstract：:A successful application is reported of the multivariate curve resolution alternating least-squares method (MCR-ALS) for the analysis of nucleic acid melting and salt-induced transitions. Under conditions where several structures co-exist in a conformational equilibrium, MCR-ALS analysis of the UV and circular dichroi...

journal_title：Nucleic acids research

authors： Jaumot J,Escaja N,Gargallo R,González C,Pedroso E,Tauler R

更新日期：2002-09-01 00:00:00