Spermine-DNA complexes build up metastable structures. Small-angle X-ray scattering and circular dichroism studies.

abstract：:The study of bacterial isolates or communities requires the analysis of the therein included plasmids in order to provide an extensive characterization of the organisms. Plasmids harboring resistance and virulence factors are of especial interest as they contribute to the dissemination of antibiotic resistance. As the...

journal_title：Nucleic acids research

authors： Galata V,Fehlmann T,Backes C,Keller A

更新日期：2019-01-08 00:00:00

abstract：:We present the sequences of five additional human U2 pseudogenes which are very similar to the U2.13 pseudogene reported previously [Van Arsdell et al. (1981) Cell 26, 11-17]. All six U2 pseudogenes preserve the 5' end of the mature U2 snRNA sequence, and all six are flanked by nearly perfect direct repeats that diffe...

journal_title：Nucleic acids research

authors： Van Arsdell SW,Weiner AM

更新日期：1984-02-10 00:00:00

abstract：:Loss-of-function (LOF) methods such as RNA interference (RNAi), antisense oligonucleotides or CRISPR-based genome editing provide unparalleled power for studying the biological function of genes of interest. However, a major concern is non-specific targeting, which involves depletion of transcripts other than those in...

journal_title：Nucleic acids research

authors： Stojic L,Lun ATL,Mangei J,Mascalchi P,Quarantotti V,Barr AR,Bakal C,Marioni JC,Gergely F,Odom DT

更新日期：2018-07-06 00:00:00

abstract：:Codon usage bias is a universal feature of all genomes. Although codon usage has been shown to regulate mRNA and protein levels by influencing mRNA decay and transcription in eukaryotes, little or no genome-wide correlations between codon usage and mRNA levels are detected in mammalian cells, raising doubt on the sign...

journal_title：Nucleic acids research

authors： Yang Q,Lyu X,Zhao F,Liu Y

更新日期：2021-01-25 00:00:00

abstract：:Despite the large number of noncoding RNAs in human genome and their roles in many diseases include cancer, we know very little about them due to lack of structural clues. The centerpiece of the structural clues is the full RNA base-pairing structure of secondary and tertiary contacts that can be precisely obtained on...

journal_title：Nucleic acids research

authors： Zhang Z,Xiong P,Zhang T,Wang J,Zhan J,Zhou Y

更新日期：2020-02-20 00:00:00

abstract：:We recently identified a region of preferential replication initiation, oriGNAI3, near the 3' end of the Chinese hamster GNAI3 gene. oriGNAI3 is co-amplified in mutants selected for AMPD2 amplification, a process generating chromosomal rearrangements. In this report we have taken advantage of cell lines with truncated...

journal_title：Nucleic acids research

authors： Toledo F,Lachagès AM,Mayau V,Debatisse M

更新日期：1999-04-01 00:00:00

abstract：:The University of Minnesota Biocatalysis/Biodegradation Database (http://www.labmed.umn.edu/umbbd/ ) begins its fifth year having met its initial goals. It contains approximately 100 pathways for microbial catabolic metabolism of primarily xenobiotic organic compounds, including information on approximately 650 reacti...

journal_title：Nucleic acids research

authors： Ellis LB,Hershberger CD,Wackett LP

更新日期：2000-01-01 00:00:00

abstract：:The nuclear suppressor allele NSM3 in strain FF1210-6C/170-E22 (E22), which suppresses a mutation of the yeast mitochondrial tRNA(Asp)gene in Saccharomyces cerevisiae, was cloned and identified. To isolate the NSM3 allele, a genomic DNA library using the vector YEp13 was constructed from strain E22. Nine YEp13 recombi...

journal_title：Nucleic acids research

authors： Chiang CS,Liaw GJ

更新日期：2000-04-01 00:00:00

abstract：:The chloroplast ribosomal protein CS1 is an essential component of the plastids translational machinery involved in translation initiation. Southern analysis suggests that the corresponding nuclear gene is present in one copy in the spinach genome. We have isolated and sequenced the gene (rps1) to study its expression...

journal_title：Nucleic acids research

authors： Franzetti B,Zhou DX,Mache R

更新日期：1992-08-25 00:00:00

abstract：:The proportion of lysine tRNA represented by the isoacceptor species lysine tRNA4 has previously been shown to be largest in cells with the greatest ability to proliferate. Using reverse phase chromatography (RPC-5), we have analyzed the changes in the relative quantities of lysine tRNA species which occur in differen...

journal_title：Nucleic acids research

authors： Kleiman L,Woodward-Jack J,Cedergren RJ,Dion R

更新日期：1978-03-01 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：:The chemical shifts of the well-resolved ring nitrogen protons of uracil and a series of substituted uracils, including pseudouridine (5-ribosyl-uracil) and uridine (1-ribosyl-uracil) were determined using nuclear magnetic resonance (NMR). The observed chemical shifts suggest the existence of an atypical syn conformat...

journal_title：Nucleic acids research

authors： Hurd RE,Reid BR

更新日期：1977-08-01 00:00:00

abstract：:MethBank (http://bigd.big.ac.cn/methbank) is a database that integrates high-quality DNA methylomes across a variety of species and provides an interactive browser for visualization of methylation data. Here, we present an updated implementation of MethBank (version 3.0) by incorporating more DNA methylomes from multi...

journal_title：Nucleic acids research

authors： Li R,Liang F,Li M,Zou D,Sun S,Zhao Y,Zhao W,Bao Y,Xiao J,Zhang Z

更新日期：2018-01-04 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：:We describe here a novel method for integrating gene and miRNA expression profiles in cancer using feed-forward loops (FFLs) consisting of transcription factors (TFs), miRNAs and their common target genes. The dChip-GemiNI (Gene and miRNA Network-based Integration) method statistically ranks computationally predicted ...

journal_title：Nucleic acids research

authors： Yan Z,Shah PK,Amin SB,Samur MK,Huang N,Wang X,Misra V,Ji H,Gabuzda D,Li C

更新日期：2012-09-01 00:00:00

abstract：:RNA editing in protozoan parasites is a mitochondrial RNA processing reaction in which exclusively uridylate residues are inserted into, and less frequently deleted from, pre-mRNAs. Molecules central to the process are so-called guide RNAs (gRNAs) which function as templates in the reaction. For a detailed molecular u...

journal_title：Nucleic acids research

authors： Hermann T,Schmid B,Heumann H,Göringer HU

更新日期：1997-06-15 00:00:00

abstract：:A physical mapping strategy has been developed to verify and accelerate the assembly and gap closure phase of a microbial genome shotgun-sequencing project. The protocol was worked out during the ongoing Pseudomonas putida KT2440 genome project. A macro-restriction map was constructed by linking probe hybridisation of...

journal_title：Nucleic acids research

authors： Weinel C,Tümmler B,Hilbert H,Nelson KE,Kiewitz C

更新日期：2001-11-15 00:00:00

abstract：:Short interfering RNAs (siRNAs) are valuable reagents for sequence-specific inhibition of gene expression via the RNA interference (RNAi) pathway. Although it has been proposed that the relative thermodynamic stability at the 5'-ends of siRNAs plays a crucial role in siRNA strand selection, we demonstrate here that a ...

journal_title：Nucleic acids research

authors： Sano M,Sierant M,Miyagishi M,Nakanishi M,Takagi Y,Sutou S

更新日期：2008-10-01 00:00:00

abstract：:The Vienna RNA secondary structure server provides a web interface to the most frequently used functions of the Vienna RNA software package for the analysis of RNA secondary structures. It currently offers prediction of secondary structure from a single sequence, prediction of the consensus secondary structure for a s...

journal_title：Nucleic acids research

authors： Hofacker IL

更新日期：2003-07-01 00:00:00

abstract：:Interferons (IFN) play a pivotal role in innate immunity, orchestrating a cell-intrinsic anti-pathogenic state and stimulating adaptive immune responses. The complex interplay between the primary response to IFNs and its modulation by positive and negative feedback loops is incompletely understood. Here, we implement ...

journal_title：Nucleic acids research

authors： Trilling M,Bellora N,Rutkowski AJ,de Graaf M,Dickinson P,Robertson K,Prazeres da Costa O,Ghazal P,Friedel CC,Albà MM,Dölken L

更新日期：2013-09-01 00:00:00

abstract：:This work describes the organization, at the nucleotide sequence level, of genes flanking the junctions of the large single copy regions and the inverted repeats of Spinacia oleracea (spinach) and Nicotiana debneyi chloroplast DNAs. In both genomes, trnH1, the gene for tRNA-His(GUG) is located at the extremity of the ...

journal_title：Nucleic acids research

authors： Zurawski G,Bottomley W,Whitfeld PR

更新日期：1984-08-24 00:00:00

abstract：:Over 50 introns have been reported in archaeal rRNA genes (rDNAs), a subset of which nests putative homing endonuclease (HEase) genes. Here, we report the identification and characterization of a novel archaeal LAGLIDADG-type HEase, I-ApeKI [corrected], encoded by the ApeK1.S908 intron within the 16S rDNA of Aeropyrum...

journal_title：Nucleic acids research

authors： Nomura N,Morinaga Y,Shirai N,Sako Y

更新日期：2005-07-26 00:00:00

abstract：:In this paper, we describe a new method for selecting RNA aptamers that cooperatively bind to two specific sites within a target RNA. We designed a selection system in which two RNAs, a target RNA and a RNA pool, were assembled by employing a pre-organized GAAA tetraloop-11-nt receptor interaction. This allows us to s...

journal_title：Nucleic acids research

authors： Shiohara T,Saito H,Inoue T

更新日期：2009-02-01 00:00:00

abstract：:Pax6 transcription is under the control of two main promoters (P0 and P1), and these are autoregulated by Pax6. Additionally, Pax6 expression is under the control of the TGFbeta superfamily, although the precise mechanisms of such regulation are not understood. The effect of TGFbeta on Pax6 expression was studied in t...

journal_title：Nucleic acids research

authors： Grocott T,Frost V,Maillard M,Johansen T,Wheeler GN,Dawes LJ,Wormstone IM,Chantry A

更新日期：2007-01-01 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：: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：:DNA-PKcs and Ku are essential components of the complex that catalyzes non-homologous end joining (NHEJ) of DNA double-strand breaks (DSBs). Ku, a heterodimeric protein, binds to DNA ends and facilitates recruitment of the catalytic subunit, DNA-PKcs. We have investigated the effect of DNA strand orientation and seque...

journal_title：Nucleic acids research

authors： Pawelczak KS,Andrews BJ,Turchi JJ

更新日期：2005-01-07 00:00:00

abstract：:Topoisomerases are ubiquitous proteins found in all three domains of life. They change the topology of DNA via transient breaks on either one or two of the DNA strands to allow passage of another single or double DNA strand through the break. Topoisomerases are classified into two types: type I enzymes cleave one DNA ...

journal_title：Nucleic acids research

authors： Baker NM,Rajan R,Mondragón A

更新日期：2009-02-01 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：: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