Characterization of the virE operon of the Agrobacterium Ti plasmid pTiA6.

abstract：:Expressed Sequence Tag-based gene expression profiling can be used to discover functionally associated genes on a large scale. Currently available web servers and tools focus on finding differentially expressed genes in different samples or tissues rather than finding co-expressed genes. To fill this gap, we have deve...

journal_title：Nucleic acids research

authors： Wu X,Walker MG,Luo J,Wei L

更新日期：2005-07-01 00:00:00

abstract：:Mature tRNAPhe from Escherichia coli and the transcript of its gene lacking modified nucleotides were compared by a variety of physical techniques. Melting experiments revealed that at a low Mg2+level the transcript was partially denatured, while the mature tRNA possessed intact tertiary interactions. Mg2+binding to b...

journal_title：Nucleic acids research

authors： Serebrov V,Vassilenko K,Kholod N,Gross HJ,Kisselev L

更新日期：1998-06-01 00:00:00

abstract：:Ribosomes transit between two conformational states, non-rotated and rotated, through the elongation cycle. Here, we present evidence that an internal loop in the essential yeast ribosomal protein rpL10 is a central controller of this process. Mutations in this loop promote opposing effects on the natural equilibrium ...

journal_title：Nucleic acids research

authors： Sulima SO,Gülay SP,Anjos M,Patchett S,Meskauskas A,Johnson AW,Dinman JD

更新日期：2014-02-01 00:00:00

abstract：:Organisms growing at elevated temperatures face the challenge of maintaining the integrity of their genetic materials. Archaea possess unique chromatin proteins for gene organization and information processing. We present the solution structure of Sso7c4 from Sulfolobus solfataricus, which has a homodimeric DNA-bindin...

journal_title：Nucleic acids research

authors： Hsu CH,Wang AH

更新日期：2011-08-01 00:00:00

abstract：:The CD spectra of twelve DNA restriction fragments ranging in size from 12 to 360 base pairs are reported. Since the sequences of these fragments are known, it is possible to calculate their CD spectra from a set of nearest neighbor contributions derived from a combination of synthetic polydeoxyribonucleotides. While ...

journal_title：Nucleic acids research

authors： Hillen W,Goodman TC,Wells RD

更新日期：1981-07-10 00:00:00

abstract：:We characterize a component of the E. coli bacterial nucleoid H1a, which accumulates in stationary phase. This protein, identical with the major component of a plasmid-protein complex previously isolated in our laboratory, has a pI close to 7.5. Acrylamide gel electrophoresis and sedimentation in sucrose gradient have...

journal_title：Nucleic acids research

authors： Spassky A,Rimsky S,Garreau H,Buc H

更新日期：1984-07-11 00:00:00

abstract：:The Schizosaccharomyces pombe genome is one of the smallest among the free-living eukaryotes. We further reduced the S. pombe gene number by large-scale gene deletion to identify a minimal gene set required for growth under laboratory conditions. The genome-reduced strain has four deletion regions: 168.4 kb in the lef...

journal_title：Nucleic acids research

authors： Sasaki M,Kumagai H,Takegawa K,Tohda H

更新日期：2013-05-01 00:00:00

abstract：:Poly (ADP-ribose) polymerase 1 (PARP1) has emerged as an attractive target for cancer therapy due to its key role in DNA repair processes. Inhibition of PARP1 in BRCA-mutated cancers has been observed to be clinically beneficial. Recent genome-mapping experiments have identified a non-canonical G-quadruplex-forming se...

journal_title：Nucleic acids research

authors： Sengar A,Vandana JJ,Chambers VS,Di Antonio M,Winnerdy FR,Balasubramanian S,Phan AT

更新日期：2019-02-20 00:00:00

abstract：:I-motif DNAs have been widely employed as robust modulating components to construct reconfigurable DNA nanodevices that function well in acidic cellular environments. However, they generally display poor interactivity with fluorescent ligands under these complex conditions, illustrating a major difficulty in utilizing...

journal_title：Nucleic acids research

authors： Shi L,Peng P,Zheng J,Wang Q,Tian Z,Wang H,Li T

更新日期：2020-02-28 00:00:00

abstract：:In continuation with work regarding the evaluation of the energy of association of various RNA bases with various base pairs, the results of the computations of the electrostatic interaction energy of A-U base pair with four RNA bases viz. Adenine, Uracil, Guanine and Cytosine have been reported. Non bonded induced po...

journal_title：Nucleic acids research

authors： Sanyal NK,Kumar U,Roychoudhury M

更新日期：1980-09-11 00:00:00

abstract：:A problem in EST clustering is the presence of repeat sequences. To avoid false matches, repeats have to be masked. This can be a time-consuming process, and it depends on available repeat libraries. We present a fast and effective method that aims to eliminate the problems repeats cause in the process of clustering. ...

journal_title：Nucleic acids research

authors： Schneeberger K,Malde K,Coward E,Jonassen I

更新日期：2005-04-14 00:00:00

abstract：:We cloned and sequenced a portion of chloroplast DNA from the hornwort Anthoceros formosae. A nucleotide sequence of 7556 bp contained structures similar to those of ndhK, ndhC, trnV, trnM, atpE, atpB, rbcL, trnR and accD. The arrangement of these was the same as that of other chloroplast DNA. However, two nonsense co...

journal_title：Nucleic acids research

authors： Yoshinaga K,Iinuma H,Masuzawa T,Uedal K

更新日期：1996-03-15 00:00:00

abstract：:Every bulky lesion in DNA can potentially inhibit the Taq DNA polymerase and thereby decrease the amplification produced in the polymerase chain reaction. We investigated the feasibility of using this inhibition to quantify DNA lesions produced by the anticancer drug cisplatin. Products were detected by electrophoresi...

journal_title：Nucleic acids research

authors： Jennerwein MM,Eastman A

更新日期：1991-11-25 00:00:00

abstract：:Hepatitis C virus (HCV) translation initiation is directed by an internal ribosome entry site (IRES) and regulated by distant regions at the 3'-end of the viral genome. Through a combination of improved RNA chemical probing methods, SHAPE structural analysis and screening of RNA accessibility using antisense oligonucl...

journal_title：Nucleic acids research

authors： Romero-López C,Barroso-Deljesus A,García-Sacristán A,Briones C,Berzal-Herranz A

更新日期：2012-12-01 00:00:00

abstract：:KUPS (The University of Kansas Proteomics Service) provides high-quality protein-protein interaction (PPI) data for researchers developing and evaluating computational models for predicting PPIs by allowing users to construct ready-to-use data sets of interacting protein pairs (IPPs), non-interacting protein pairs (NI...

journal_title：Nucleic acids research

authors： Chen XW,Jeong JC,Dermyer P

更新日期：2011-01-01 00:00:00

abstract：:Guanine rich nucleic acid sequences can form G-quadruplex (G4) structures that interfere with DNA replication, repair and RNA transcription. The human FANCJ helicase contributes to maintaining genomic integrity by promoting DNA replication through G4-forming DNA regions. Here, we combined single-molecule and ensemble ...

journal_title：Nucleic acids research

authors： Wu CG,Spies M

更新日期：2016-10-14 00:00:00

abstract：:Aberrant DNA methylation at CpG dinucleotides can result in epigenetic silencing of tumour suppressor genes and represents one of the earliest events in tumourigenesis. To date, however, high-throughput tools that are capable of surveying the methylation status of multiple gene promoters have been restricted to a limi...

journal_title：Nucleic acids research

authors： Mund C,Beier V,Bewerunge P,Dahms M,Lyko F,Hoheisel JD

更新日期：2005-04-28 00:00:00

abstract：:RNA secondary structures, e.g. stem-loops that are often found at the 5' and 3' ends of mRNAs, are in many cases known to be crucial for transcript stability but their role in prolonging the lifetime of transcripts remains elusive. In this study we show for an essential RNA-stabilizing stem-loop at the 5' end of rbcL ...

journal_title：Nucleic acids research

authors： Suay L,Salvador ML,Abesha E,Klein U

更新日期：2005-08-22 00:00:00

abstract：:In Eukaryotes, DNA is wound around the histone octamer forming the basic chromatin unit, the nucleosome. Atomic structures have been obtained from crystallography and single particle cryo-electron microscopy (cryoEM) of identical engineered particles. But native nucleosomes are dynamical entities with diverse DNA sequ...

journal_title：Nucleic acids research

authors： Eltsov M,Grewe D,Lemercier N,Frangakis A,Livolant F,Leforestier A

更新日期：2018-09-28 00:00:00

abstract：:In the last decade polycistronic vectors have become essential tools for both basic science and gene therapy applications. In order to co-express heterologous polypeptides, different systems have been developed from Internal Ribosome Entry Site (IRES) based vectors to the use of the 2A peptide. Unfortunately, these me...

journal_title：Nucleic acids research

authors： Fallot S,Ben Naya R,Hieblot C,Mondon P,Lacazette E,Bouayadi K,Kharrat A,Touriol C,Prats H

更新日期：2009-11-01 00:00:00

abstract：:The third intron from Physarum polycephalum (Pp LSU 3) is one of the closest known relatives to the well-studied Tetrahymena group I intron. Both introns are located at the same position in the 26S rRNA gene, and with the exception of an open reading frame in Pp LSU 3, are highly homologous. While Pp LSU 3 has been sh...

journal_title：Nucleic acids research

authors： Rocheleau GA,Woodson SA

更新日期：1994-10-11 00:00:00

abstract：:mRNA expression involves transcription initiation, elongation and degradation. In cells, these dynamic processes are highly regulated. However, experimental characterization of the dynamic processes in vivo is difficult due to the paucity of methods capable of direct measurements. We present a highly sensitive and ver...

journal_title：Nucleic acids research

authors： Iyer S,Park BR,Kim M

更新日期：2016-10-14 00:00:00

abstract：:Alternative splicing and polyadenylation were observed pervasively in eukaryotic messenger RNAs. These alternative isoforms could either be consequences of physiological regulation or stochastic noise of RNA processing. To quantify the extent of stochastic noise in splicing and polyadenylation, we analyzed the alterna...

journal_title：Nucleic acids research

authors： Hon CC,Weber C,Sismeiro O,Proux C,Koutero M,Deloger M,Das S,Agrahari M,Dillies MA,Jagla B,Coppee JY,Bhattacharya A,Guillen N

更新日期：2013-02-01 00:00:00

abstract：:CTCF plays a pivotal role in mediating chromatin interactions, but it does not do so alone. A number of factors have been reported to co-localize with CTCF and regulate CTCF loops, but no comprehensive analysis of binding partners has been performed. This prompted us to identify CTCF loop participants and regulators b...

journal_title：Nucleic acids research

authors： Hu G,Dong X,Gong S,Song Y,Hutchins AP,Yao H

更新日期：2020-09-25 00:00:00

abstract：:Helicase loading at a DNA replication origin often requires the dynamic interactions between the DNA helicase and an accessory protein. In E. coli, the DNA helicase is DnaB and DnaC is its loading partner. We used the method of hydrogen/deuterium exchange mass spectrometry to address the importance of DnaB-DnaC comple...

journal_title：Nucleic acids research

authors： Chodavarapu S,Jones AD,Feig M,Kaguni JM

更新日期：2016-01-08 00:00:00

abstract：:The web software CHOP was developed to visualize the 'wobbling' in the third codon position of aligned DNA sequences. The simple features of this tool allow users to easily find regions suspected of containing coding sequences (CDSs). The program also allows visualization of the nucleotide diversity between two genomi...

journal_title：Nucleic acids research

authors： Ohtsuka M,Horiuchi S,Kulski JK,Kimura M,Inoko H

更新日期：2004-07-01 00:00:00

abstract：:We have isolated 2'-Fluoro-substituted RNA aptamers that bind to streptavidin (SA) with an affinity around 7 +/- 1.8 nM, comparable with that of recently described peptide aptamers. Binding to SA was not prevented by prior saturation with biotin, enabling nucleic acid aptamers to form useful ternary complexes. Mutagen...

journal_title：Nucleic acids research

authors： Tahiri-Alaoui A,Frigotto L,Manville N,Ibrahim J,Romby P,James W

更新日期：2002-05-15 00:00:00

abstract：:Pluripotency, the ability of embryonic stem cells to differentiate into specialized cell types, is determined by ESC-specific gene regulators such as transcription factors and chromatin modification factors. It is not well understood how ESCs are poised for differentiation, however, and methods are needed for prognosi...

journal_title：Nucleic acids research

authors： Ha M,Hong S

更新日期：2017-10-13 00:00:00

abstract：:Functional crosstalk between histone modifications and chromatin remodeling has emerged as a key regulatory mode of transcriptional control during cell fate decisions, but the underlying mechanisms are not fully understood. Here we discover an HRP2-DPF3a-BAF epigenetic pathway that coordinates methylated histone H3 ly...

journal_title：Nucleic acids research

authors： Zhu X,Lan B,Yi X,He C,Dang L,Zhou X,Lu Y,Sun Y,Liu Z,Bai X,Zhang K,Li B,Li MJ,Chen Y,Zhang L

更新日期：2020-07-09 00:00:00

abstract：:SUPERFAMILY provides structural, functional and evolutionary information for proteins from all completely sequenced genomes, and large sequence collections such as UniProt. Protein domain assignments for over 900 genomes are included in the database, which can be accessed at http://supfam.org/. Hidden Markov models ba...

journal_title：Nucleic acids research

authors： Wilson D,Pethica R,Zhou Y,Talbot C,Vogel C,Madera M,Chothia C,Gough J

更新日期：2009-01-01 00:00:00