Data mining for proteins characteristic of clades.

abstract：:The Escherichia coli AlkB protein catalyzes the direct reversal of alkylation damage to DNA; primarily 1-methyladenine (1mA) and 3-methylcytosine (3mC) lesions created by endogenous or environmental alkylating agents. AlkB is a member of the non-heme iron (II) alpha-ketoglutarate-dependent dioxygenase superfamily, whi...

journal_title：Nucleic acids research

authors： Roy TW,Bhagwat AS

更新日期：2007-01-01 00:00:00

abstract：:Retroviral particles contain a dimeric RNA genome, which serves as template for the generation of double-stranded DNA by reverse transcription. Transfer between RNA strands during DNA synthesis is governed by both sequence similarity between templates and structural features of the dimeric RNA. A kissing hairpin, beli...

journal_title：Nucleic acids research

authors： Mikkelsen JG,Rasmussen SV,Pedersen FS

更新日期：2004-01-09 00:00:00

abstract：:The rolling circle DNA replication structures generated by the in vitro phage T4 replication system were analyzed using two-dimensional agarose gels. Replication structures were generated in the presence or absence of T4 primase (gp61), permitting the analysis of replication forks with either duplex or single-stranded...

journal_title：Nucleic acids research

authors： Belanger KG,Mirzayan C,Kreuzer HE,Alberts BM,Kreuzer KN

更新日期：1996-06-01 00:00:00

abstract：:Gene expression circuitries, which enable cells to detect precise levels within a morphogen concentration gradient, have a pivotal impact on biological processes such as embryonic pattern formation, paracrine and autocrine signalling, and cellular migration. We present the rational synthesis of a synthetic genetic cir...

journal_title：Nucleic acids research

authors： Greber D,Fussenegger M

更新日期：2010-10-01 00:00:00

abstract：:Interactions between proteins bound to distant sites along a DNA molecule require bending and twisting deformations in the intervening DNA. In certain systems, the sterically allowed protein-DNA and protein-protein interactions are hypothesized to produce loops with distinct geometries that may also be thermodynamical...

journal_title：Nucleic acids research

authors： Lia G,Semsey S,Lewis DE,Adhya S,Bensimon D,Dunlap D,Finzi L

更新日期：2008-07-01 00:00:00

abstract：:We describe a new exonuclease-based method for joining and/or constructing two or more DNA molecules. DNA fragments containing ends complementary to those of a vector or another independent molecules were generated by the polymerase chain reaction. The 3' ends of these molecules as well as the vector DNA were then rec...

journal_title：Nucleic acids research

authors： Yang YS,Watson WJ,Tucker PW,Capra JD

更新日期：1993-04-25 00:00:00

abstract：:A vast amount of research on the regulation of gene expression has relied on plasmid reporter assays. In this study, we show that plasmids widely used for this purpose constitutively produce substantial amounts of RNA from a TATA-containing cryptic promoter within the origin of replication. Readthrough of these RNAs i...

journal_title：Nucleic acids research

authors： Lemp NA,Hiraoka K,Kasahara N,Logg CR

更新日期：2012-08-01 00:00:00

abstract：:A new class of synthetic DNA duplexes containing repeating oligonucleotide sequences, double-helical concatemers, is characterized. The UV-absorption and circular dichroism of a concatemer formed in self-association of d(T-G-C-A-C-A-T-G) have been studied. The thermodynamical parameters of complex formation are the fo...

journal_title：Nucleic acids research

authors： Shabarova ZA,Dolinnaya NG,Turkin SI,Gromova ES

更新日期：1980-06-11 00:00:00

abstract：:Reagents for proteome research must of necessity be generated by high throughput methods. Aptamers are potentially useful as reagents to identify and quantitate individual proteins, yet are currently produced for the most part by manual selection procedures. We have developed automated selection methods, but must stil...

journal_title：Nucleic acids research

authors： Cox JC,Hayhurst A,Hesselberth J,Bayer TS,Georgiou G,Ellington AD

更新日期：2002-10-15 00:00:00

abstract：:E. coli can be transformed to extremely high efficiencies by subjecting a mixture of cells and DNA to brief but intense electrical fields of exponential decay waveform (electroporation). We have obtained 10(9) to 10(10) transformants/micrograms with strains LE392 and DH5 alpha, and plasmids pUC18 and pBR329. The proce...

journal_title：Nucleic acids research

authors： Dower WJ,Miller JF,Ragsdale CW

更新日期：1988-07-11 00:00:00

abstract：:Three-dimensional structures have been solved for several naturally occurring RNA triple helices, although all are limited to six or fewer consecutive base triples, hindering accurate estimation of global and local structural parameters. We present an X-ray crystal structure of a right-handed, U•A-U-rich RNA triple he...

journal_title：Nucleic acids research

authors： Ruszkowska A,Ruszkowski M,Hulewicz JP,Dauter Z,Brown JA

更新日期：2020-04-06 00:00:00

abstract：:ETS-domain transcription factors play important roles in controlling gene expression in a variety of different contexts; however, these proteins bind to very similar sites and it is unclear how in vivo specificity is achieved. In silico analysis is unlikely to reveal specific targets for individual family members and ...

journal_title：Nucleic acids research

authors： Boros J,O'Donnell A,Donaldson IJ,Kasza A,Zeef L,Sharrocks AD

更新日期：2009-12-01 00:00:00

abstract：:Rad2/XPG belongs to the flap nuclease family and is responsible for a key step of the eukaryotic nucleotide excision DNA repair (NER) pathway. To elucidate the mechanism of DNA binding by Rad2/XPG, we solved crystal structures of the catalytic core of Rad2 in complex with a substrate. Rad2 utilizes three structural mo...

journal_title：Nucleic acids research

authors： Miętus M,Nowak E,Jaciuk M,Kustosz P,Studnicka J,Nowotny M

更新日期：2014-01-01 00:00:00

abstract：:We report a novel system for efficient and specific targeted delivery of large nucleic acids to and into cells. Plasmid DNA and core histones were assembled to chromatin by salt gradient dialysis and subsequently connected to bispecific antibody derivatives (bsAbs) via a nucleic acid binding peptide bridge. The result...

journal_title：Nucleic acids research

authors： Killian T,Buntz A,Herlet T,Seul H,Mundigl O,Längst G,Brinkmann U

更新日期：2019-06-04 00:00:00

abstract：:PIWI-interacting RNAs (piRNAs) engage PIWI proteins to silence transposons and promote germ cell development in animals. In diverse species, piRNA biogenesis occurs near the mitochondrial surface, and involves mitochondrial membrane-anchored factors. In mice, two cytoplasmic PIWI proteins, MIWI and MILI, receive proce...

journal_title：Nucleic acids research

authors： Ding D,Liu J,Dong K,Melnick AF,Latham KE,Chen C

更新日期：2019-03-18 00:00:00

abstract：:We studied fluorescence intensity, polarization and lifetime of some commonly used fluorophores conjugated to oligodeoxyribonucleotides with different primary and secondary structures. We found that fluorescence intensity can increase or decrease upon hybridization of the labeled strand to its complement depending on ...

journal_title：Nucleic acids research

authors： Nazarenko I,Pires R,Lowe B,Obaidy M,Rashtchian A

更新日期：2002-05-01 00:00:00

abstract：:A major goal of system biology is the characterization of transcription factors and microRNAs (miRNAs) and the transcriptional programs they regulate. We present Allegro, a method for de-novo discovery of cis-regulatory transcriptional programs through joint analysis of genome-wide expression data and promoter or 3' U...

journal_title：Nucleic acids research

authors： Halperin Y,Linhart C,Ulitsky I,Shamir R

更新日期：2009-04-01 00:00:00

abstract：:Ribonuclease MRP is an endonuclease, related to RNase P, which functions in eukaryotic pre-rRNA processing. In Saccharomyces cerevisiae, RNase MRP comprises an RNA subunit and ten proteins. To improve our understanding of subunit roles and enzyme architecture, we have examined protein-protein and protein-RNA interacti...

journal_title：Nucleic acids research

authors： Aspinall TV,Gordon JM,Bennett HJ,Karahalios P,Bukowski JP,Walker SC,Engelke DR,Avis JM

更新日期：2007-01-01 00:00:00

abstract：:We demonstrate a single DNA molecule optical mapping assay able to resolve a specific Escherichia coli strain from other strains. The assay is based on competitive binding of the fluorescent dye YOYO-1 and the AT-specific antibiotic netropsin. The optical map is visualized by stretching the DNA molecules in nanofluidi...

journal_title：Nucleic acids research

authors： Nilsson AN,Emilsson G,Nyberg LK,Noble C,Stadler LS,Fritzsche J,Moore ER,Tegenfeldt JO,Ambjörnsson T,Westerlund F

更新日期：2014-09-01 00:00:00

abstract：:Kinetoplast mitochondrial RNA editing is the developmentally regulated post-transcriptional process of uridine insertion and deletion in mRNAs directed by short guide RNAs (gRNAs), which creates functional mRNAs. Two mechanisms are proposed: transesterification which predicts gRNA/mRNA chimeric intermediates, and enzy...

journal_title：Nucleic acids research

authors： Riley GR,Myler PJ,Stuart K

更新日期：1995-02-25 00:00:00

abstract：:Two CTAG-recognizing restriction and modification (R/M) systems, designated MthZI and MthFI, were identified in the thermophilic archaeon Methanobacterium thermoformicicum strains Z-245 and FTF, respectively. Further analysis revealed that the methyltransferase (MTase) genes are plasmid-located in both strains. The pl...

journal_title：Nucleic acids research

authors： Nölling J,de Vos WM

更新日期：1992-10-11 00:00:00

abstract：:The Mouse Genome Database (MGD: http://www.informatics.jax.org) is the primary community data resource for the laboratory mouse. It provides a highly integrated and highly curated system offering a comprehensive view of current knowledge about mouse genes, genetic markers and genomic features as well as the associatio...

journal_title：Nucleic acids research

authors： Blake JA,Eppig JT,Kadin JA,Richardson JE,Smith CL,Bult CJ,the Mouse Genome Database Group.

更新日期：2017-01-04 00:00:00

abstract：:By in vivo DMS footprint and reporter gene analyses we identified two transcription factor binding sites in the human c-sis/PDGF B gene promoter. The low basal activity of the PDGF B promoter in HeLa and undifferentiated K562 cells, which express low PDGF B mRNA levels, and in PC3 cells, which express a high PDGF B mR...

journal_title：Nucleic acids research

authors： Dirks RP,Jansen HJ,van Gerven B,Onnekink C,Bloemers HP

更新日期：1995-04-11 00:00:00

abstract：:Conflicts between replication and transcription challenge chromosome duplication. Escherichia coli replisome movement along transcribed DNA is promoted by Rep and UvrD accessory helicases with Δrep ΔuvrD cells being inviable under rapid growth conditions. We have discovered that mutations in a tRNA gene, aspT, in an a...

journal_title：Nucleic acids research

authors： Myka KK,Hawkins M,Syeda AH,Gupta MK,Meharg C,Dillingham MS,Savery NJ,Lloyd RG,McGlynn P

更新日期：2017-03-17 00:00:00

abstract：:Three novel DNA-binding proteins with apparent molecular masses of 7, 10 and 30 kDa have been isolated from the hyperthermophilic methanogen Methanopyrus kandleri. The proteins were identified using a blot overlay assay that was modified to emulate the high ionic strength intracellular environment of M.kandleri protei...

journal_title：Nucleic acids research

authors： Pavlov NA,Cherny DI,Nazimov IV,Slesarev AI,Subramaniam V

更新日期：2002-02-01 00:00:00

abstract：:We devised an indicator gene for retrotransposition based on an autocatalytic ribozyme element--the Tetrahymena thermophila 23S rRNA group I intron--which can self-splice in vitro and does not require--at variance with nuclear mRNA introns--any specific pathway and cellular component for the completion of the splicing...

journal_title：Nucleic acids research

authors： Esnault C,Casella JF,Heidmann T

更新日期：2002-06-01 00:00:00

abstract：:Bcg I and Bcg I-like restriction endonucleases cleave double stranded DNA specifically on both sides of their asymmetric recognition sequences which are interrupted by several ambiguous base pairs. Their heterosubunit structure, bifunctionality and stimulation by AdoMet make them different from other classified restri...

journal_title：Nucleic acids research

authors： Vitkute J,Maneliene Z,Petrusyte M,Janulaitis A

更新日期：1997-11-15 00:00:00

abstract：:Meiotic cells possess surveillance mechanisms that monitor critical events such as recombination and chromosome synapsis. Meiotic defects resulting from the absence of the synaptonemal complex component Zip1 activate a meiosis-specific checkpoint network resulting in delayed or arrested meiotic progression. Pch2 is an...

journal_title：Nucleic acids research

authors： Herruzo E,Ontoso D,González-Arranz S,Cavero S,Lechuga A,San-Segundo PA

更新日期：2016-09-19 00:00:00

abstract：:We analyzed the effects of site-directed mutations in the SUC2 promoter of Saccharomyces cerevisiae. Analyses were performed in wild-type as well as mig1 and tup1 mutant strains after the promoter mutants were reintroduced into the native SUC2 locus on the left arm of chromosome IX. Mutation of the two GC boxes reveal...

journal_title：Nucleic acids research

authors： Bu Y,Schmidt MC

更新日期：1998-02-15 00:00:00

abstract：:Transcriptional regulatory networks specify regulatory proteins controlling the context-specific expression levels of genes. Inference of genome-wide regulatory networks is central to understanding gene regulation, but remains an open challenge. Expression-based network inference is among the most popular methods to i...

journal_title：Nucleic acids research

authors： Siahpirani AF,Roy S

更新日期：2017-02-28 00:00:00