The RNA helicase DDX6 regulates cell-fate specification in neural stem cells via miRNAs.

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：:In order to characterize structure-function relationships, the kinetic behavior of chimeric RNA/DNA ribozyme was compared with that of all RNA ribozyme. Determined kcat values were proven to represent the chemical-cleavage step and not the product-dissociation step. In agreement with the finding by Dahm and Uhlenbeck ...

journal_title：Nucleic acids research

authors： Sawata S,Shimayama T,Komiyama M,Kumar PK,Nishikawa S,Taira K

更新日期：1993-12-11 00:00:00

abstract：:Bacillus subtilis plasmid pGR71 is a promoter-probe shuttle vector derived from pUB110. The expression of the cat gene on pGR71 in B. subtilis requires the insertion of a Bacillus promoter and a ribosomal binding site (RBS) into the HindIII cloning site immediately upstream from the cat gene. A recombinant plasmid of ...

journal_title：Nucleic acids research

authors： Fujiwara S,Tsubokura N,Kurusu Y,Minami K,Kobayashi Y

更新日期：1990-02-25 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：:The major surface antigen of procyclic and epimastigote forms of Trypanosoma congolense in the tsetse fly is GARP (glutamic acid/alanine-rich protein), which is thought to be the analogue of procyclin/PARP in Trypanosoma brucei. We have studied two T.congolense GARP loci (the 4.3 and 4.4 loci) whose transcription is a...

journal_title：Nucleic acids research

authors： Graham SV,Jefferies D,Barry JD

更新日期：1996-01-15 00:00:00

abstract：:The sequences coding for DNA[cytosine-N4]methyltransferases MvaI (from Micrococcus varians RFL19) and Cfr9I (from Citrobacter freundii RFL9) have been determined. The predicted methylases are proteins of 454 and 300 amino acids, respectively. Primary structure comparison of M.Cfr9I and another m4C-forming methylase, M...

journal_title：Nucleic acids research

authors： Klimasauskas S,Timinskas A,Menkevicius S,Butkienè D,Butkus V,Janulaitis A

更新日期：1989-12-11 00:00:00

abstract：:The SRPDB (signal recognition particle database) provides annotated SRP RNA sequences from Eucaryotes and Archaea, phylogenetically ordered and aligned with their bacterial equivalents. We also make available representative RNA secondary structure diagrams, where each base pair is proven by comparative sequence analys...

journal_title：Nucleic acids research

authors： Larsen N,Zwieb C

更新日期：1993-07-01 00:00:00

abstract：:Anti-silencing function 1 (Asf1) and Chromatin Assembly Factor 1 (CAF-1) chaperone histones H3/H4 during the assembly of nucleosomes on newly replicated DNA. To understand the mechanism of histone H3/H4 transfer among Asf1, CAF-1 and DNA from a thermodynamic perspective, we developed and employed biophysical approache...

journal_title：Nucleic acids research

authors： Liu WH,Roemer SC,Port AM,Churchill ME

更新日期：2012-12-01 00:00:00

abstract：:The -1 ribosomal frameshifting requires the existence of an in cis RNA slippery sequence and is promoted by a downstream stimulator RNA. An atypical RNA pseudoknot with an extra stem formed by complementary sequences within loop 2 of an H-type pseudoknot is characterized in the severe acute respiratory syndrome corona...

journal_title：Nucleic acids research

authors： Su MC,Chang CT,Chu CH,Tsai CH,Chang KY

更新日期：2005-07-29 00:00:00

abstract：:Cell surface mannose 6-phosphate/insulin-like growth factor II receptors (M6P/IGF2R) bind and target exogenous insulin-like growth factor II (IGF2) to the prelysosomes where it is degraded. Loss of heterozygosity (LOH) for M6P/IGF2R is found in cancers, with mutational inactivation of the remaining allele. We exploite...

journal_title：Nucleic acids research

authors： Huang Z,Wen Y,Shandilya R,Marks JR,Berchuck A,Murphy SK

更新日期：2006-01-23 00:00:00

abstract：:Studies of bacterial chromosomes and plasmids indicate that their replication initiator proteins bind to origins of replication at many double-stranded sites and also at AT-rich regions where single-stranded DNA is exposed during origin opening. Single-strand binding apparently promotes origin opening by stabilizing a...

journal_title：Nucleic acids research

authors： Chatterjee S,Jha JK,Ciaccia P,Venkova T,Chattoraj DK

更新日期：2020-11-04 00:00:00

abstract：:A modification of previously described methods of electron microscopic gene mapping and of gene enrichment based on the avidin-biotin interaction is presented. The modification consists of coupling cytochrome-c instead of pentane diamine to the oxidized 2', 3' terminus of an RNA by Schiff base formation and BH-4 reduc...

journal_title：Nucleic acids research

authors： Sodja A,Davidson N

更新日期：1978-02-01 00:00:00

abstract：:Three-dimensional protein structures provide invaluable information for understanding and regulating biological functions of proteins. The GalaxyWEB server predicts protein structure from sequence by template-based modeling and refines loop or terminus regions by ab initio modeling. This web server is based on the met...

journal_title：Nucleic acids research

authors： Ko J,Park H,Heo L,Seok C

更新日期：2012-07-01 00:00:00

abstract：:Decay of (125)I produces a shower of low energy electrons (Auger electrons) that cause strand breaks in DNA in a distance-dependent manner with 90% of the breaks located within 10 bp from the decay site. We studied strand breaks in RNA molecules produced by decay of (125)I incorporated into complementary DNA oligonucl...

journal_title：Nucleic acids research

authors： Gaidamakova EK,Neumann RD,Panyutin IG

更新日期：2002-11-15 00:00:00

abstract：:Most RNA molecules collapse rapidly and reach the native state through a pathway that contains numerous traps and unproductive intermediates. The D135 group II intron ribozyme is unusual in that it can fold slowly and directly to the native state, despite its large size and structural complexity. Here we use hydroxyl ...

journal_title：Nucleic acids research

authors： Su LJ,Waldsich C,Pyle AM

更新日期：2005-11-27 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：:Programmed chromosome breakage occurs at 50-200 specific sites in the genome of Tetrahymena thermo-phila during somatic nuclear (macronuclear) differentiation. Previous studies have identified a 15 bp sequence, the Cbs (for chromosome breakage sequence), that is necessary and sufficient to specify these sites. In this...

journal_title：Nucleic acids research

authors： Fan Q,Yao MC

更新日期：2000-02-15 00:00:00

abstract：:Therapeutic oligonucleotides are often modified using the phosphorothioate (PS) backbone modification which enhances stability from nuclease mediated degradation. However, substituting oxygen in the phosphodiester backbone with sulfur introduce chirality into the backbone such that a full PS 16-mer oligonucleotide is ...

journal_title：Nucleic acids research

authors： Østergaard ME,De Hoyos CL,Wan WB,Shen W,Low A,Berdeja A,Vasquez G,Murray S,Migawa MT,Liang XH,Swayze EE,Crooke ST,Seth PP

更新日期：2020-02-28 00:00:00

abstract：:A positive cis-acting DNA element in the near 5'-upstream region of the CYP2B1/B2 genes in rat liver was found to play an important role in the transcription of these genes. An oligonucleotide covering -69 to -98 nt mimicked the gel mobility shift pattern given by the fragment -179 to +29 nt, which was earlier found a...

journal_title：Nucleic acids research

authors： Upadhya P,Rao MV,Venkateswar V,Rangarajan PN,Padmanaban G

更新日期：1992-02-11 00:00:00

abstract：:The 80S ribosome from Saccharomyces cerevisiae has been reconstructed from cryo electron micrographs to a resolution of 35 A. It is strikingly similar to the 70S ribosome from Escherichia coli, while displaying the characteristic eukaryotic features familiar from reconstructions of ribosomes from higher eukaryotes. As...

journal_title：Nucleic acids research

authors： Verschoor A,Warner JR,Srivastava S,Grassucci RA,Frank J

更新日期：1998-01-15 00:00:00

abstract：:The alternatively spliced RNA species of tumor suppressor gene p53, containing an additional 96 bases derived from intron 10, is present at approximately 25 to 30% the level of regularly spliced p53 RNA in both normal epidermal and carcinoma cells. The presence of this alternatively spliced RNA in 10T1/2 fibroblast ce...

journal_title：Nucleic acids research

authors： Han KA,Kulesz-Martin MF

更新日期：1992-04-25 00:00:00

abstract：:Virulence factor database (VFDB) was set up in 2004 dedicated for providing current knowledge of virulence factors (VFs) from various medical significant bacterial pathogens to facilitate pathogenomic research. Nowadays, complete genome sequences of almost all the major pathogenic microbes have been determined, which ...

journal_title：Nucleic acids research

authors： Yang J,Chen L,Sun L,Yu J,Jin Q

更新日期：2008-01-01 00:00:00

abstract：:A vast number of sweet tasting molecules are known, encompassing small compounds, carbohydrates, d-amino acids and large proteins. Carbohydrates play a particularly big role in human diet. The replacement of sugars in food with artificial sweeteners is common and is a general approach to prevent cavities, obesity and ...

journal_title：Nucleic acids research

authors： Ahmed J,Preissner S,Dunkel M,Worth CL,Eckert A,Preissner R

更新日期：2011-01-01 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 have synthesized the tetradecamer GAGCXGATAACAAG containing a part of the sequence of the lactose operator. A guanine base in the sequence is replaced by the adduct of the carcinogen 2-acetylaminofluorene with guanine. Under the standard conditions of de-protection, the fluorene moiety is lost, leaving behind a gua...

journal_title：Nucleic acids research

authors： Stöhrer G,Osband JA,Alvarado-Urbina G

更新日期：1983-08-11 00:00:00

abstract：:The Protein Data Bank in Europe (PDBe, pdbe.org) is actively engaged in the deposition, annotation, remediation, enrichment and dissemination of macromolecular structure data. This paper describes new developments and improvements at PDBe addressing three challenging areas: data enrichment, data dissemination and func...

journal_title：Nucleic acids research

authors： Mir S,Alhroub Y,Anyango S,Armstrong DR,Berrisford JM,Clark AR,Conroy MJ,Dana JM,Deshpande M,Gupta D,Gutmanas A,Haslam P,Mak L,Mukhopadhyay A,Nadzirin N,Paysan-Lafosse T,Sehnal D,Sen S,Smart OS,Varadi M,Kleywegt GJ

更新日期：2018-01-04 00:00:00

abstract：:EMAGE (http://genex.hgu.mrc.ac.uk/Emage/database) is a database of in situ gene expression patterns in the developing mouse embryo. Domains of expression from raw data images are spatially integrated into a set of standard 3D virtual mouse embryos at different stages of development, allowing data interrogation by spat...

journal_title：Nucleic acids research

authors： Venkataraman S,Stevenson P,Yang Y,Richardson L,Burton N,Perry TP,Smith P,Baldock RA,Davidson DR,Christiansen JH

更新日期：2008-01-01 00:00:00

abstract：:Replication protein A (RPA) plays a critical role in all eukaryotic DNA processing involving single-stranded DNA (ssDNA). Contrary to the notion that RPA provides solely inert protection to transiently formed ssDNA, the RPA-ssDNA complex acts as a dynamic DNA processing unit. Here, we studied the diffusion of RPA alon...

journal_title：Nucleic acids research

authors： Mishra G,Bigman LS,Levy Y

更新日期：2020-02-28 00:00:00

abstract：:Melanotransferrin (MTf) is a tumor associated antigen found in abundance on the surface of melanoma cells. It is a transferrin-like protein found in low amount in most adult tissues and whose gene is reminiscent of house-keeping genes. With the goal of understanding the regulatory mechanisms which might explain the en...

journal_title：Nucleic acids research

authors： Duchange N,Ochoa A,Plowman GD,Rozé A,Amdjadi M,Zakin MM

更新日期：1992-06-11 00:00:00

abstract：:While RNA structures have been extensively characterized in vitro, very few techniques exist to probe RNA structures inside cells. Here, we have exploited mechanisms of post-transcriptional regulation to synthesize fluorescence-based probes that assay RNA structures in vivo. Our probing system involves the co-expressi...

journal_title：Nucleic acids research

authors： Sowa SW,Vazquez-Anderson J,Clark CA,De La Peña R,Dunn K,Fung EK,Khoury MJ,Contreras LM

更新日期：2015-01-01 00:00:00