An atypical RNA pseudoknot stimulator and an upstream attenuation signal for -1 ribosomal frameshifting of SARS coronavirus.

abstract：:The sigma(54) factor associates with core RNA polymerase (RNAP) to form a holoenzyme that is unable to initiate transcription unless acted on by an activator protein. sigma(54) is closely involved in many steps of activator-dependent transcription, such as core RNAP binding, promoter recognition, activator interaction...

journal_title：Nucleic acids research

authors： Xiao Y,Wigneshweraraj SR,Weinzierl R,Wang YP,Buck M

更新日期：2009-07-01 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：:A promoter with the potential to adopt a 50 basepair (bp) cruciform spanning from -19 to -69 has been constructed in the plasmid pBR322 tetracycline resistance gene (tet) by forming an inverted repeat from '-35' sequences. Compared to a control promoter, the sequence of this cruciform promoter differs only by a 22 bp ...

journal_title：Nucleic acids research

authors： Horwitz MS

更新日期：1989-07-25 00:00:00

abstract：:DNA sequencing studies of two recently cloned human A gamma globin alleles has revealed a number of base differences which are clustered in the large intron (IVS-2). One allele has a previously undescribed IVS-2 sequence. Most of the allelic differences can be explained as resulting from a gene conversion event involv...

journal_title：Nucleic acids research

authors： Stoeckert CJ Jr,Collins FS,Weissman SM

更新日期：1984-06-11 00:00:00

abstract：:Transcriptional repression of pathogen defense-related genes is essential for plant growth and development. Several proteins are known to be involved in the transcriptional regulation of plant defense responses. However, mechanisms by which expression of defense-related genes are regulated by repressor proteins are po...

journal_title：Nucleic acids research

authors： Kim HS,Park HC,Kim KE,Jung MS,Han HJ,Kim SH,Kwon YS,Bahk S,An J,Bae DW,Yun DJ,Kwak SS,Chung WS

更新日期：2012-10-01 00:00:00

abstract：:Calf lens messenger fractions have been purified on poly(dT)-cellulose. The purified RNA's have been analyzed as nucleosides by a method which can be used on a micro-scale with highly reproduceble results. Both the 10S and 14S lens mRNA contain poly A sequences. The poly A content found in 14S mRNA cannot account for ...

journal_title：Nucleic acids research

authors： Piperno G,Bertazzoni U,Berns AJ,Bloemendal H

更新日期：1974-02-01 00:00:00

abstract：:In general, synthetic RNA transcripts corresponding to the 3' ends of Saccharomyces cerevisiae genes appear to be accurately cleaved and polyadenylated in vitro under appropriate conditions in yeast cell extracts. Initially, however, the endpoints observed in vitro for the GAL7 gene failed to correlate adequately with...

journal_title：Nucleic acids research

authors： Sadhale PP,Sapolsky R,Davis RW,Butler JS,Platt T

更新日期：1991-07-11 00:00:00

abstract：:Analysis of phylogenetically conserved secondary structure has been important in the development of models for the secondary structure of structural RNAs. In this paper, we apply this type of analysis to several families of informational RNAs to evaluate its usefulness in developing secondary structure models for mRNA...

journal_title：Nucleic acids research

authors： Browner MF,Lawrence CB

更新日期：1985-12-09 00:00:00

abstract：:Besides orthologs of other eukaryotic mismatch-repair (MMR) proteins, plants encode MSH7, a paralog of MSH6. The Arabidopsis thaliana recognition heterodimers AtMSH2*MSH6 (AtMutSalpha) and AtMSH2*MSH3 (AtMutSbeta) were previously found to bind the same subsets of mismatches as their counterparts in other eukaryotes--r...

journal_title：Nucleic acids research

authors： Wu SY,Culligan K,Lamers M,Hays J

更新日期：2003-10-15 00:00:00

abstract：:The European Nucleotide Archive (ENA; http://www.ebi.ac.uk/ena) offers a rich platform for data sharing, publishing and archiving and a globally comprehensive data set for onward use by the scientific community. With a broad scope spanning raw sequencing reads, genome assemblies and functional annotation, the resource...

journal_title：Nucleic acids research

authors： Toribio AL,Alako B,Amid C,Cerdeño-Tarrága A,Clarke L,Cleland I,Fairley S,Gibson R,Goodgame N,Ten Hoopen P,Jayathilaka S,Kay S,Leinonen R,Liu X,Martínez-Villacorta J,Pakseresht N,Rajan J,Reddy K,Rosello M,Silvester N

更新日期：2017-01-04 00:00:00

abstract：:Sae2 cooperates with the Mre11-Rad50-Xrs2 (MRX) complex to initiate resection of DNA double-strand breaks (DSBs) and to maintain the DSB ends in close proximity to allow their repair. How these diverse MRX-Sae2 functions contribute to DNA damage resistance is not known. Here, we describe mre11 alleles that suppress th...

journal_title：Nucleic acids research

authors： Cassani C,Gobbini E,Vertemara J,Wang W,Marsella A,Sung P,Tisi R,Zampella G,Longhese MP

更新日期：2018-04-06 00:00:00

abstract：:A single locus in the mouse, rat and chicken encodes both alkali myosin light chains, MLC1F and MLC3F. This gene has two distinct promoters and gives rise to two different primary transcripts, which are processed by alternative and different modes of splicing to form MLC1F and MLC3F mRNAs. The MLC1F/MLC3F gene is very...

journal_title：Nucleic acids research

authors： Daubas P,Robert B,Garner I,Buckingham M

更新日期：1985-07-11 00:00:00

abstract：:It has recently been demonstrated that nucleobase-density profiles of typical mRNA coding sequences exhibit a complementary relationship with nucleobase-interaction propensity profiles of their cognate protein sequences. This finding supports the idea that the genetic code developed in response to direct binding inter...

journal_title：Nucleic acids research

authors： Hlevnjak M,Zagrovic B

更新日期：2015-03-31 00:00:00

abstract：:Upon infection of Escherichia coli by bacteriophage Qβ, the virus-encoded β-subunit recruits host translation elongation factors EF-Tu and EF-Ts and ribosomal protein S1 to form the Qβ replicase holoenzyme complex, which is responsible for amplifying the Qβ (+)-RNA genome. Here, we use X-ray crystallography, NMR spect...

journal_title：Nucleic acids research

authors： Gytz H,Mohr D,Seweryn P,Yoshimura Y,Kutlubaeva Z,Dolman F,Chelchessa B,Chetverin AB,Mulder FA,Brodersen DE,Knudsen CR

更新日期：2015-12-15 00:00:00

abstract：:The synthesis of 1-(beta-D-2'-deoxyribosyl)-2-pyrimidinone (dK) and its 5-methyl derivative (d5) from 2'-deoxycytidine or 2'-deoxythymidine, respectively, via silver oxide oxidation of 4-hydrazinopyrimidines is described. The necessary hydrazine substituted pyrimidine nucleosides have been prepared by transamination o...

journal_title：Nucleic acids research

authors： Gildea B,McLaughlin LW

更新日期：1989-03-25 00:00:00

abstract：:The hypoxia-inducible factor-1 (HIF-1) was first described as a DNA binding activity that specifically recognizes an 8 bp motif known to be essential for hypoxia-inducible erythropoietin gene transcription. Subsequently HIF-1 activity has also been found in cell lines which do not express erythropoietin, suggesting th...

journal_title：Nucleic acids research

authors： Kvietikova I,Wenger RH,Marti HH,Gassmann M

更新日期：1995-11-25 00:00:00

abstract：:In the poly(A)+RNA isolated from the ciliate Paramecium primaurelia is found a discrete and abundant mRNA species of high molecular weight (corresponding to about 9,000 nucleotides). This mRNA species has size and abundance characteristics that identify it tentatively as the message coding for the variant cell-surface...

journal_title：Nucleic acids research

authors： Sommerville J

更新日期：1983-11-11 00:00:00

abstract：:Specific targeting of protein–nucleic acid interactions is an area of current interest, for example, in the regulation of gene-expression. Most transcription factor proteins bind in the DNA major groove; however, we are interested in an approach using small molecules to target the minor groove to control expression by...

journal_title：Nucleic acids research

authors： Laughlin-Toth S,Carter EK,Ivanov I,Wilson WD

更新日期：2017-02-17 00:00:00

abstract：:Brome mosaic virus (BMV) is a tripartite genome, positive-sense RNA virus of plants. Previously it was demonstrated that local hybridization between BMV RNAs (RNA-RNA heteroduplex formation) efficiently promotes non-homologous RNA recombination. In addition, studies on the role of the BMV polymerase in RNA recombinati...

journal_title：Nucleic acids research

authors： Figlerowicz M

更新日期：2000-04-15 00:00:00

abstract：:Antigenic variation of the pilus is an essential component of Neisseria gonorrhoeae pathogenesis. Unidirectional recombination of silent pilin DNA into an expressed pilin gene allows for substantial sequence variation of this highly immunogenic surface structure. While the RecA protein is required for pilin gene recom...

journal_title：Nucleic acids research

authors： Wainwright LA,Frangipane JV,Seifert HS

更新日期：1997-04-01 00:00:00

abstract：:The repeating nucleotide sequence of 68 base pairs in the mtDNA from an ethidium-induced cytoplasmic petite mutant of yeast has been determined. For sequence analysis specifically primed and terminated RNA copies, obtained by in vitro transcription of the separated strands, were use. The sequence consists of 66 consec...

journal_title：Nucleic acids research

authors： Van Kreijl CF,Bos JL

更新日期：1977-07-01 00:00:00

abstract：:The RecQL4 helicase is involved in the maintenance of genome integrity and DNA replication. Mutations in the human RecQL4 gene cause the Rothmund-Thomson, RAPADILINO and Baller-Gerold syndromes. Mouse models and experiments in human and Xenopus have proven the N-terminal part of RecQL4 to be vital for cell growth. We ...

journal_title：Nucleic acids research

authors： Ohlenschläger O,Kuhnert A,Schneider A,Haumann S,Bellstedt P,Keller H,Saluz HP,Hortschansky P,Hänel F,Grosse F,Görlach M,Pospiech H

更新日期：2012-09-01 00:00:00

abstract：:Serine integrases are emerging as core tools in synthetic biology and have applications in biotechnology and genome engineering. We have designed a split-intein serine integrase-based system with potential for regulation of site-specific recombination events at the protein level in vivo. The ϕC31 integrase was split i...

journal_title：Nucleic acids research

authors： Olorunniji FJ,Lawson-Williams M,McPherson AL,Paget JE,Stark WM,Rosser SJ

更新日期：2019-12-02 00:00:00

abstract：:The Functional Single Nucleotide Polymorphism (F-SNP) database integrates information obtained from 16 bioinformatics tools and databases about the functional effects of SNPs. These effects are predicted and indicated at the splicing, transcriptional, translational and post-translational level. As such, the database h...

journal_title：Nucleic acids research

authors： Lee PH,Shatkay H

更新日期：2008-01-01 00:00:00

abstract：:The functionalisation of oligodeoxynucleotides and oligoribonucleotides by incorporation of 2'-amido-2'-deoxyribonucleosides, possibly containing a reporter group via the 2'-amido bond, was examined. Therefore 2'-acetamido-ribonucleosides containing a small methyl group at the 2'-amido bond were synthesized as model c...

journal_title：Nucleic acids research

authors： Hendrix C,Devreese B,Rozenski J,van Aerschot A,De Bruyn A,Van Beeumen J,Herdewijn P

更新日期：1995-01-11 00:00:00

abstract：:7,8-Dihydro-8-oxo-deoxyguanosine (8oxodG) is a highly premutagenic DNA lesion due to its ability to mispair with adenine. Schizosaccharomyces pombe lacks homologs for relevant enzymes that repair 8oxodG, which suggests that this lesion could be persistent and must be tolerated. Here we show that SpPol4, the unique Pol...

journal_title：Nucleic acids research

authors： Sastre-Moreno G,Sánchez A,Esteban V,Blanco L

更新日期：2014-09-01 00:00:00

abstract：:Three novel DNA-binding proteins with apparent molecular masses of 7, 10 and 30 kDa have been isolated from the hyperthermophilic methanogen Methanopyrus kandleri. The proteins were identified using a blot overlay assay that was modified to emulate the high ionic strength intracellular environment of M.kandleri protei...

journal_title：Nucleic acids research

authors： Pavlov NA,Cherny DI,Nazimov IV,Slesarev AI,Subramaniam V

更新日期：2002-02-01 00:00:00

abstract：:Autosomal dominant and/or recessive progressive external ophthalmoplegia (ad/arPEO) is associated with mtDNA mutagenesis. It can be caused by mutations in three nuclear genes, encoding the adenine nucleotide translocator 1, the mitochondrial helicase Twinkle or DNA polymerase gamma (POLG). How mutations in these genes...

journal_title：Nucleic acids research

authors： Wanrooij S,Luoma P,van Goethem G,van Broeckhoven C,Suomalainen A,Spelbrink JN

更新日期：2004-06-04 00:00:00

abstract：:Right-handed RNA duplexes of (CG)n sequence undergo salt-induced helicity reversal, forming left-handed RNA double helices (Z-RNA). In contrast to the thoroughly studied Z-DNA, no Z-RNA structure of natural origin is known. Here we report the NMR structure of a half-turn, left-handed RNA helix (CGCGCG)2 determined in ...

journal_title：Nucleic acids research

authors： Popenda M,Milecki J,Adamiak RW

更新日期：2004-08-03 00:00:00

abstract：:Unmethylated CpG rich islands are a feature of vertebrate DNA: they are associated with housekeeping and many tissue specific genes. CpG islands on the active X chromosome of mammals are also unmethylated. However, islands on the inactive X chromosome are heavily methylated. We have identified a CpG island in the 5' r...

journal_title：Nucleic acids research

authors： Alcalay M,Toniolo D

更新日期：1988-10-25 00:00:00