The hub protein loquacious connects the microRNA and short interfering RNA pathways in mosquitoes.

abstract：:It has been recently reported that the pR plasmid enhances the UV survival in E.coli c600. In order to test whether this function may be expressed also in mammalian cells, LTA (tk- aprt-) mouse cells were cotransformed with pR plasmid DNA and ptk1 plasmid as selectable marker. Tk+ transformants were analyzed for their...

journal_title：Nucleic acids research

authors： Elli R,Marcucci L,Bosi R,Oppi C,Battaglia PA,Gigliani F

更新日期：1983-06-11 00:00:00

abstract：:Previous studies have shown that (i) several RNAs induced by heat shock of Drosophila melanogaster cells are homologous to tandemly repeated alpha beta units found in cloned segments of D. melanogaster DNA, and (ii) the alpha beta sequences are present both at a major heat shock locus, 87Cl, and the chromocenter of po...

journal_title：Nucleic acids research

authors： Lis JT,Ish-Horowicz D,Pinchin SM

更新日期：1981-10-24 00:00:00

abstract：:Type IIS restriction endonuclease BtsCI (GGATG 2/0) is a neoschizomer of FokI (GGATG 9/13) and cleaves closer to the recognition sequence. Although M.BtsCI shows 62% amino acid sequence identity to M.FokI, BtsCI and FokI restriction endonucleases do not share significant amino acid sequence similarity. BtsCI belongs t...

journal_title：Nucleic acids research

authors： Too PH,Zhu Z,Chan SH,Xu SY

更新日期：2010-03-01 00:00:00

abstract：:Starting from a crude E. coli extract, two activities which specifically protect highly repetitive bacterial DNA sequences (called PU for Palindromic Unit or REP for Repetitive Extragenic Palindromic sequence) against a digestion with Exonuclease III have been purified. We show that one of these activities is due to t...

journal_title：Nucleic acids research

authors： Gilson E,Perrin D,Hofnung M

更新日期：1990-07-11 00:00:00

abstract：:The genome of Kirsten murine sarcoma virus was formed by recombination between Kirsten murine leukaemia virus sequences, and rat sequences derived from a retrovirus-like '30S' (VL30) genetic element encompassing the Kras oncogene. Using cloned DNAs we have determined the nucleotide sequences of the long terminal repea...

journal_title：Nucleic acids research

authors： Norton JD,Connor J,Avery RJ

更新日期：1984-09-11 00:00:00

abstract：:The DNA-binding protein RdgC has been identified as an inhibitor of RecA-mediated homologous recombination in Escherichia coli. In Neisseria species, RdgC also has a role in virulence-associated antigenic variation. We have previously solved the crystal structure of the E. coli RdgC protein and shown it to form a toro...

journal_title：Nucleic acids research

authors： Briggs GS,Yu J,Mahdi AA,Lloyd RG

更新日期：2010-10-01 00:00:00

abstract：:Short oligo(deoxynucleoside phosphorothioate)s were analyzed as a pool of individual diastereomeric species. The composition of such mixtures, determined by means of HPLC, indicates that consecutive couplings in commonly used phosphoramidite chemistry lead to increasing contents of the Rp isomer. Methods of analysis a...

journal_title：Nucleic acids research

authors： Wilk A,Stec WJ

更新日期：1995-02-11 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：:Tandem repeats in DNA have been under intensive study for many years, first, as a consequence of their usefulness as genomic markers and DNA fingerprints and more recently as their role in human disease and regulatory processes has become apparent. The Tandem Repeats Database (TRDB) is a public repository of informati...

journal_title：Nucleic acids research

authors： Gelfand Y,Rodriguez A,Benson G

更新日期：2007-01-01 00:00:00

abstract：:Two similar, but not identical, models have been proposed for the amino acid-base pair contacts in the CAP-DNA complex ('Model I,' Weber, I. and Steitz, T., Proc. Natl. Acad. Sci. USA, 81, 3973-3977, 1984; 'Model II,' Ebright, et al., Proc. Natl. Acad. Sci. USA, 81, 7274-7278, 1984). One difference between the two mod...

journal_title：Nucleic acids research

authors： Gunasekera A,Ebright YW,Ebright RH

更新日期：1990-12-11 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：:Multiplexed tandem PCR (MT-PCR) is a process for highly multiplexed gene expression profiling. In the first step, multiple primer pairs are added to the RNA to be analysed together with reverse transcriptase and Taq DNA polymerase. Following reverse transcription, the multiplexed amplicons are simultaneously amplified...

journal_title：Nucleic acids research

authors： Stanley KK,Szewczuk E

更新日期：2005-11-24 00:00:00

abstract：:The two genes encoding the class IIS restriction-modification system MboII from Moraxella bovis were cloned separately in two compatible plasmids and expressed in E. coli RR1 delta M15. The nucleotide sequences of the MboII endonuclease (R.MboII) and methylase (M.MboII) genes were determined and the putative start cod...

journal_title：Nucleic acids research

authors： Bocklage H,Heeger K,Müller-Hill B

更新日期：1991-03-11 00:00:00

abstract：:We have investigated the response of the filamentous fungus Aspergillus nidulans to low, non-killing, doses of the alkylating agent MNNG (N-methyl-N'-nitro-N-nitrosoguanidine). Such treatment causes a substantial induction of DNA alkyltransferase activity, with the specific activity in treated cells increasing up to o...

journal_title：Nucleic acids research

authors： Baker SM,Margison GP,Strike P

更新日期：1992-02-25 00:00:00

abstract：:Using an in vitro transcription system for Saccharomyces cerevisiae RNA polymerase I, we have analyzed Pol I promoter deletion mutants and mapped the boundaries of the promoter between positions -155 and +27. The 5'-boundary of the minimal core promoter capable of transcription initiation, however, was found to lie be...

journal_title：Nucleic acids research

authors： Kulkens T,Riggs DL,Heck JD,Planta RJ,Nomura M

更新日期：1991-10-11 00:00:00

abstract：:In HIV-1 infection, Tat acts at least in part to control transcriptional elongation by overcoming premature transcriptional termination. In some other genes this process is governed by DNA elements called attenuators in concert with cellular transcription factors. To understand the action of Tat more fully and explore...

journal_title：Nucleic acids research

authors： Greenberg ME,Mathews MB

更新日期：1997-12-15 00:00:00

abstract：:Hfq, a bacterial RNA-binding protein, was recently shown to contain the Sm1 motif, a characteristic of Sm and LSm proteins that function in RNA processing events in archaea and eukaryotes. In this report, comparative structural modeling was used to predict a three-dimensional structure of the Hfq core sequence. The pr...

journal_title：Nucleic acids research

authors： Sun X,Zhulin I,Wartell RM

更新日期：2002-09-01 00:00:00

abstract：:Small RNA (sRNA) Sequencing technology has revealed that microRNAs (miRNAs) are capable of exhibiting frequent variations from their canonical sequences, generating multiple variants: the isoforms of miRNAs (isomiRs). However, integrated tool to precisely detect and systematically annotate isomiRs from sRNA sequencing...

journal_title：Nucleic acids research

authors： Zhang Y,Zang Q,Zhang H,Ban R,Yang Y,Iqbal F,Li A,Shi Q

更新日期：2016-07-08 00:00:00

abstract：:In an RNase III-deficient strain of E. coli 23S pre-rRNA accumulates unprocessed in 50S ribosomes and in polysomes. These ribosomes provide a substrate for the analysis of rRNA maturation in vitro. S1 nuclease protection analysis of the products obtained in in vitro processing reactions demonstrates that 23S rRNA proc...

journal_title：Nucleic acids research

authors： Sirdeshmukh R,Schlessinger D

更新日期：1985-07-25 00:00:00

abstract：:In synthetic circuits, CRISPR-Cas systems have been used effectively for endpoint changes from an initial state to a final state, such as in logic gates. Here, we use deactivated Cas9 (dCas9) and deactivated Cas12a (dCas12a) to construct dynamic RNA ring oscillators that cycle continuously between states over time in ...

journal_title：Nucleic acids research

authors： Kuo J,Yuan R,Sánchez C,Paulsson J,Silver PA

更新日期：2020-08-20 00:00:00

abstract：:When designed to cleave a target RNA in trans, the hammerhead ribozyme contains two antisense flanks which form helix I and helix III by pairing with the complementary target RNA. The sequences forming helix II are contained on the ribozyme strand and represent a major structural component of the hammerhead structure....

journal_title：Nucleic acids research

authors： Homann M,Tabler M,Tzortzakaki S,Sczakiel G

更新日期：1994-09-25 00:00:00

abstract：:DEAD-box helicases catalyze the non-processive unwinding of double-stranded RNA (dsRNA) at the expense of adenosine triphosphate (ATP) hydrolysis. Nucleotide and RNA binding and unwinding are mediated by the RecA domains of the helicase core, but their cooperation in these processes remains poorly understood. We there...

journal_title：Nucleic acids research

authors： Samatanga B,Klostermeier D

更新日期：2014-01-01 00:00:00

abstract：:MAGIA(2) (http://gencomp.bio.unipd.it/magia2) is an update, extension and evolution of the MAGIA web tool. It is dedicated to the integrated analysis of in silico target prediction, microRNA (miRNA) and gene expression data for the reconstruction of post-transcriptional regulatory networks. miRNAs are fundamental post...

journal_title：Nucleic acids research

authors： Bisognin A,Sales G,Coppe A,Bortoluzzi S,Romualdi C

更新日期：2012-07-01 00:00:00

abstract：:The single nucleotide polymorphisms (SNPs) in conserved protein regions have been thought to be strong candidates that alter protein functions. Thus, we have developed SNP@Domain, a web resource, to identify SNPs within human protein domains. We annotated SNPs from dbSNP with protein structure-based as well as sequenc...

journal_title：Nucleic acids research

authors： Han A,Kang HJ,Cho Y,Lee S,Kim YJ,Gong S

更新日期：2006-07-01 00:00:00

abstract：:Chromatin core particles near physiological ionic strength undergo a reversible transition induced by changes in pH near neutrality. While sedimentation studies indicate no significant effect on size or shape, changes in tyrosine fluorescence anisotropy and in circular dichroism suggest a somewhat looser structure at ...

journal_title：Nucleic acids research

authors： Libertini LJ,Small EW

更新日期：1984-05-25 00:00:00

abstract：:In most cells, transcriptionally inactive heterochromatin is preferentially localized in the nuclear periphery and transcriptionally active euchromatin is localized in the nuclear interior. Different cell types display characteristic chromatin distribution patterns, which change dramatically during cell differentiatio...

journal_title：Nucleic acids research

authors： Bergqvist C,Niss F,Figueroa RA,Beckman M,Maksel D,Jafferali MH,Kulyté A,Ström AL,Hallberg E

更新日期：2019-05-21 00:00:00

abstract：:RNA editing by adensosine deaminases is a widespread mechanism to alter genetic information in metazoa. In addition to modifications in non-coding regions, editing contributes to diversification of protein function, in analogy to alternative splicing. However, although splicing programs respond to external signals, fa...

journal_title：Nucleic acids research

authors： Balik A,Penn AC,Nemoda Z,Greger IH

更新日期：2013-01-01 00:00:00

abstract：:Solution structures of DNA duplexes containing oxanine (Oxa, O) opposite a cytosine (O:C duplex) and opposite a thymine (O:T duplex) have been solved by the combined use of (1)H NMR and restrained molecular dynamics calculation. One mismatch pair was introduced into the center of the 11-mer duplex of [d(GTGACO(6)CACTG...

journal_title：Nucleic acids research

authors： Pack SP,Morimoto H,Makino K,Tajima K,Kanaori K

更新日期：2012-02-01 00:00:00

abstract：:Mitochondrial proteins remain the subject of intense research interest due to their implication in an increasing number of different conditions including mitochondrial and metabolic disease, cancer, and neuromuscular degenerative and age-related disorders. However, the mitochondrial proteome has yet to be accurately a...

journal_title：Nucleic acids research

authors： Smith AC,Robinson AJ

更新日期：2016-01-04 00:00:00

abstract：:We have isolated the mouse MyoD1 gene flanked by its promoter region by screening a genomic library with synthetic oligonucleotides. The structural gene is interrupted by two G + C rich introns. Transfection of the cloned gene inserted into an expression vector converts fibroblasts to myoblasts. Sequence analysis of a...

journal_title：Nucleic acids research

authors： Zingg JM,Alva GP,Jost JP

更新日期：1991-12-11 00:00:00