Detection of triple-helix related structures adopted by poly(dG)-poly(dC) sequences in supercoiled plasmid DNA.

abstract：:Nuclear factors NF90 and NF45 form a complex involved in a variety of cellular processes and are thought to affect gene expression both at the transcriptional and translational level. In addition, this complex affects the replication of several viruses through direct interactions with viral RNA. NF90 and NF45 dimerize...

journal_title：Nucleic acids research

authors： Wolkowicz UM,Cook AG

更新日期：2012-10-01 00:00:00

abstract：:We provide experimental evidence of a replication enhancer element (REE) within the capsid gene of tick-borne encephalitis virus (TBEV, genus Flavivirus). Thermodynamic and phylogenetic analyses predicted that the REE folds as a long stable stem-loop (designated SL6), conserved among all tick-borne flaviviruses (TBFV)...

journal_title：Nucleic acids research

authors： Tuplin A,Evans DJ,Buckley A,Jones IM,Gould EA,Gritsun TS

更新日期：2011-09-01 00:00:00

abstract：:The three CD3 genes on human chromosome 11q23 encode proteins (gamma, delta and epsilon) which form part of the antigen receptor on T lymphocytes. All three genes are clustered within 50 kb and are activated approximately contemporaneously during the early stages of T cell ontogeny. In order to pinpoint potential regu...

journal_title：Nucleic acids research

authors： Tunnacliffe A

更新日期：1990-02-11 00:00:00

abstract：:The cytosine base in DNA undergoes hydrolytic deamination at a considerable rate when UV radiation induces formation of a cyclobutane pyrimidine dimer (CPD) with an adjacent pyrimidine base. We have synthesized a phosphoramidite building block of a cis-syn cyclobutane thymine-uracil dimer (T[]U), which is the deaminat...

journal_title：Nucleic acids research

authors： Takasawa K,Masutani C,Hanaoka F,Iwai S

更新日期：2004-03-12 00:00:00

abstract：:In apurinic acid, a single-stranded polydeoxyribonucleotide easily obtained upon depurination of DNA, the proton resonances arising from thymine and cytosine are readily observable in aqueous solution of 25 degrees C. Two methyl thymine resonances, centered at 1.88 ppm and separated by 0.045 ppm, are observed. We attr...

journal_title：Nucleic acids research

authors： Rahn RO,Schleich T

更新日期：1974-08-01 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：:Recent studies have shown that homologous recombination (HR) requires chromatin repression as well as relaxation at DNA double strand breaks (DSBs). HP1 and SUV39H1/2 are repressive factors essential for HR. Here, we identify SETDB1 as an additional compacting factor promoting HR. Depletion of HP1, SUV39, SETDB1 or BR...

journal_title：Nucleic acids research

authors： Alagoz M,Katsuki Y,Ogiwara H,Ogi T,Shibata A,Kakarougkas A,Jeggo P

更新日期：2015-09-18 00:00:00

abstract：:With recent advancements in techniques for cellular data acquisition, information on cellular processes has been increasing at a dramatic rate. Visualization is critical to analyzing and interpreting complex information; representing cellular processes or pathways is no exception. VISIBIOweb is a free, open-source, we...

journal_title：Nucleic acids research

authors： Dilek A,Belviranli ME,Dogrusoz U

更新日期：2010-07-01 00:00:00

abstract：:The RES complex was previously identified in yeast as a splicing factor affecting nuclear pre-mRNA retention. This complex was shown to contain three subunits, namely Snu17, Bud13 and Pml1, but its mode of action remains ill-defined. To obtain insights into its function, we have performed a structural investigation of...

journal_title：Nucleic acids research

authors： Brooks MA,Dziembowski A,Quevillon-Cheruel S,Henriot V,Faux C,van Tilbeurgh H,Séraphin B

更新日期：2009-01-01 00:00:00

abstract：:A peptide initiation factor purified from rat liver and promoting the binding of initiator tRNA and model initiators to 40S and 80S ribosome at an acid pH liberates methionine and N-acetylmethionine from Trna Met f at neutral reaction. Phenylalanyl-tRNA, N-acetylphenylalanyl-tRNA and methionyl-tRNA Met m are not hydro...

journal_title：Nucleic acids research

authors： Hradec J

更新日期：1975-11-01 00:00:00

abstract：:Rice alpha-amylases are encoded by a multigene family that has previously been classified into 5 hybridization groups. DNA sequence and Southern blot analysis identified three genes (RAmy1A, RAmy1B and RAmy1C) in Group 1 with DNA sequence identity of at least 90%. Hybridization Group 2 is represented by only one gene,...

journal_title：Nucleic acids research

authors： Huang N,Koizumi N,Reinl S,Rodriguez RL

更新日期：1990-12-11 00:00:00

abstract：:Transcription factors (TFs) and miRNAs are the most important dynamic regulators in the control of gene expression in multicellular organisms. These regulatory elements play crucial roles in development, cell cycling and cell signaling, and they have also been associated with many diseases. The Regulatory Network Anal...

journal_title：Nucleic acids research

authors： Bleda M,Medina I,Alonso R,De Maria A,Salavert F,Dopazo J

更新日期：2012-07-01 00:00:00

abstract：:A small family of DNA sequences is rearranged during the development of the somatic nucleus in Tetrahymena. The family is defined by 266 bp of highly conserved sequence which restriction mapping, hybridization and sequence analysis have shown is shared by a cloned micronuclear fragment and three sequences which consti...

journal_title：Nucleic acids research

authors： Allitto BA,Karrer KM

更新日期：1986-10-24 00:00:00

abstract：:Methyl carbon-13 NMR spectra of purified tRNA species are presented for the first time. In addition, these spectra of tRNA species specific for phenylalanine, tyrosine, and cysteine exhibited the first resolution of single methyl carbon resonances. Carbon-13 enriched methyl groups of ribothymidine (T) and 7-methylguan...

journal_title：Nucleic acids research

authors： Agris PF,Schmidt PG

更新日期：1980-05-10 00:00:00

abstract：:Formation of a transcriptionally competent open complex is a highly regulated multistep process involving at least two intermediates. The rate of formation and stability of the intermediate complexes often determine promoter strength. However, the detailed mechanism of formation of the open complex and the high resolu...

journal_title：Nucleic acids research

authors： Studitsky V,Brodolin K,Liu Y,Mirzabekov A

更新日期：2001-02-01 00:00:00

abstract：:Various in vivo mutagenesis methods have been developed to facilitate fast and efficient continuous evolution of proteins in cells. However, they either modify the DNA region that does not match the target gene, or suffer from low mutation rates. Here, we report a mutator, eMutaT7 (enhanced MutaT7), with very fast in ...

journal_title：Nucleic acids research

authors： Park H,Kim S

更新日期：2021-01-06 00:00:00

abstract：:The availability of a draft human genome sequence and ability to monitor the transcription of thousands of genes with DNA microarrays has necessitated the need for new computational tools that can analyze cis-regulatory elements controlling genes that display similar expression patterns. We have developed a tool desig...

journal_title：Nucleic acids research

authors： Zhang H,Ramanathan Y,Soteropoulos P,Recce ML,Tolias PP

更新日期：2002-11-01 00:00:00

abstract：:MatrixDB (http://matrixdb.ibcp.fr) is a freely available database focused on interactions established by extracellular proteins and polysaccharides. Only few databases report protein-polysaccharide interactions and, to the best of our knowledge, there is no other database of extracellular interactions. MatrixDB takes ...

journal_title：Nucleic acids research

authors： Chautard E,Fatoux-Ardore M,Ballut L,Thierry-Mieg N,Ricard-Blum S

更新日期：2011-01-01 00:00:00

abstract：:HotSpot Wizard is a web server used for the automated identification of hotspots in semi-rational protein design to give improved protein stability, catalytic activity, substrate specificity and enantioselectivity. Since there are three orders of magnitude fewer protein structures than sequences in bioinformatic datab...

journal_title：Nucleic acids research

authors： Sumbalova L,Stourac J,Martinek T,Bednar D,Damborsky J

更新日期：2018-07-02 00:00:00

abstract：:Neuroserpin is an axonally secreted serine protease inhibitor expressed in the nervous system that protects neurons from ischemia-induced apoptosis. Mutant neuroserpin forms have been found polymerized in inclusion bodies in a familial autosomal encephalopathy causing dementia, or associated with epilepsy. Regulation ...

journal_title：Nucleic acids research

authors： Cuadrado A,Navarro-Yubero C,Furneaux H,Kinter J,Sonderegger P,Muñoz A

更新日期：2002-05-15 00:00:00

abstract：:The pol gene of all retroviruses is expressed as a gag-pol fusion protein which is proteolytically processed to produce all viral enzymes. In the human immunodeficiency virus (HIV), the gag and pol genes overlap by 241 nucleotides with pol in the -1 phase with respect to gag. The gag-pol fusion is produced via a -1 ri...

journal_title：Nucleic acids research

authors： Vickers TA,Ecker DJ

更新日期：1992-08-11 00:00:00

abstract：:Model single base extension (SBE) genotyping reactions with individual deoxy-, dideoxy- and acyclonucleoside triphosphates are monitored by MALDI-TOF mass spectrometry. Three non-proofreading DNA polymerases display remarkably high misincorporation (up to 64% of correct incorporation) when extending primers with singl...

journal_title：Nucleic acids research

authors： Di Giusto D,King GC

更新日期：2003-02-01 00:00:00

abstract：:Human immunodeficiency virus-1 (HIV-1) leader RNA, which contains double-stranded regions due to inverted repeats, was shown to activate the dsRNA-dependent enzymes associated with the interferon system. HIV-1 leader RNA produced in vitro using SP6 RNA polymerase was characterized using probes for antisense and sense-...

journal_title：Nucleic acids research

authors： SenGupta DN,Silverman RH

更新日期：1989-02-11 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 have determined the nucleotide sequence at the 3' end of the vesicular stomatitis virus (VSV) polymerase or L gene and compared it to that obtained from a defective interfering particle (DI) RNA generated by this virus. The latter (DI 0.50) contains a large internal deletion within this gene. The deletion begins ex...

journal_title：Nucleic acids research

authors： De BK,Perrault J

更新日期：1982-11-11 00:00:00

abstract：:Staphylococcus aureus plasmid pT181 is thought to replicate via an asymmetric rolling-circle mechanism. By studying pulse labeled replicative intermediates, here we report that pT181 replication involves: (1) a post-replicative hypersupercoiled monomer and (2) a partially replicated intermediate which lacks superhelic...

journal_title：Nucleic acids research

authors： Majumder S,Novick RP

更新日期：1988-04-11 00:00:00

abstract：:This review takes a second look at a set of mRNAs that purportedly employ an alternative mechanism of initiation when cap-dependent translation is reduced during mitosis or stress conditions. A closer look is necessary because evidence cited in support of the internal initiation hypothesis is often flawed. When putati...

journal_title：Nucleic acids research

authors： Kozak M

更新日期：2005-11-28 00:00:00

abstract：:We present a general method for isolating molecular markers specific to any region of a chromosome using existing mapping populations. Two pools of DNA from individuals homozygous for opposing alleles for a targeted chromosomal interval, defined by two or more linked RFLP markers, are constructed from members of an ex...

journal_title：Nucleic acids research

authors： Giovannoni JJ,Wing RA,Ganal MW,Tanksley SD

更新日期：1991-12-11 00:00:00

abstract：:The DNA topoisomerase from Agrobacterium tumefaciens has been purified to apparent homogeneity. The enzyme is a single polypeptide of about 100,000 in molecular weight. No apparent separation of the nicking and sealing activities could be obtained in attempts to separate the two activities by a variety of methods, inc...

journal_title：Nucleic acids research

authors： LeBon JM,Agarwal S,Chirikjian JG

更新日期：1981-02-25 00:00:00

abstract：:The occurrence of DNA tracts of the three binary base combinations: R.Y, K.M and W;S has been mapped in the complete genomes of Haemophilus influenzae and Escherichia coli. A highly significant over-representation of W tracts is observed in both bacteria. The excess of W tracts is particularly striking in the 10% inte...

journal_title：Nucleic acids research

authors： Shomer B,Yagil G

更新日期：1999-11-15 00:00:00