Abstract:
:In this paper, we describe a new method for selecting RNA aptamers that cooperatively bind to two specific sites within a target RNA. We designed a selection system in which two RNAs, a target RNA and a RNA pool, were assembled by employing a pre-organized GAAA tetraloop-11-nt receptor interaction. This allows us to select the binding sequence against a targeted internal loop as well as a linker region optimized for binding of the two binding sites. After the selection, the aptamers bound with dissociation constants in the nanomolar range, thereby forming a stable complex with the target RNA. Thus this method enables identification of aptamers for a specific binding site together with a linker for cooperative binding of the two RNAs. It appears that our new method can be applied generally to select RNAs that adhere tightly to a target RNA via two specific sites. The method can also be applicable for further engineering of both natural and artificial RNAs.
journal_name
Nucleic Acids Resjournal_title
Nucleic acids researchauthors
Shiohara T,Saito H,Inoue Tdoi
10.1093/nar/gkn1012subject
Has Abstractpub_date
2009-02-01 00:00:00pages
e23issue
3eissn
0305-1048issn
1362-4962pii
gkn1012journal_volume
37pub_type
杂志文章abstract::Wybutine (Ywye), situated next to the 3'-side of the anticodon of tRNAPhe from Saccharomyces cerevisiae, can be photo-crosslinked to mRNA when bound to Escherichia coli ribosomes. Crosslinking can be obtained with poly(U) as well as with oligonucleotides such as pAUGUUU or p(U)6. In order to identify the site of react...
journal_title:Nucleic acids research
pub_type: 杂志文章
doi:10.1093/nar/12.21.8181
更新日期:1984-11-12 00:00:00
abstract::DNA supercoiling is an important regulator of gene activity. The transmission of transcription-generated supercoiling wave along a DNA helix provides a way for a gene being transcribed to communicate with and regulate its neighboring genes. Currently, the dynamic behavior of supercoiling transmission remains unclear o...
journal_title:Nucleic acids research
pub_type: 杂志文章
doi:10.1093/nar/gky534
更新日期:2018-08-21 00:00:00
abstract::We have studied the coil-to-helix transition of the DNA oligomer d(C4A4T4C4), using circular dichroism measurements to monitor the formation of A.T base pairs within the central self-complementary A4T4 region and the formation of protonated C.C+ base pairs at the ends of the oligomer. We found that both A.T and C.C+ b...
journal_title:Nucleic acids research
pub_type: 杂志文章
doi:10.1093/nar/12.19.7565
更新日期:1984-10-11 00:00:00
abstract::Electrophoresis of the mixture of proteins from purified snRNPs U1, U2, U4/U6 and U5 on SDS-polyacrylamide gels that had been allowed to polymerise in the presence of high TEMED concentrations have revealed the presence of proteins in the snRNPs that previously had eluded detection. The most striking case is that of p...
journal_title:Nucleic acids research
pub_type: 杂志文章
doi:10.1093/nar/18.22.6475
更新日期:1990-11-25 00:00:00
abstract::Pancreatic DNase requires both Ca2+ and Mg2+ for its activity as measured by formation of an activated DNA template for in vitro DNA polymerase alpha assay and by the hyperchromic shift. Mn2+ can partially satisfy the Mg2+ requirement of the DNase for activation of DNA but the resulting template is only 50% as active ...
journal_title:Nucleic acids research
pub_type: 杂志文章
doi:10.1093/nar/4.8.2641
更新日期:1977-08-01 00:00:00
abstract::We have developed a novel multiplex quantitative DNA-based target amplification method suitable for sensitive, specific and quantitative detection on microarray. This new method named NASBA Implemented Microarray Analysis (NAIMA) was applied to GMO detection in food and feed, but its application can be extended to all...
journal_title:Nucleic acids research
pub_type: 杂志文章
doi:10.1093/nar/gkn524
更新日期:2008-10-01 00:00:00
abstract::Bacteriophage DNA packaging motors translocate their genomic DNA into viral heads, compacting it to near-crystalline density. The Bacillus subtilis phage 29 has a unique ring of RNA (pRNA) that is an essential component of its motor, serving as a scaffold for the packaging ATPase. Previously, deletion of a three-base ...
journal_title:Nucleic acids research
pub_type: 杂志文章
doi:10.1093/nar/gks724
更新日期:2012-10-01 00:00:00
abstract::The Orthologous Matrix (OMA) is a leading resource to relate genes across many species from all of life. In this update paper, we review the recent algorithmic improvements in the OMA pipeline, describe increases in species coverage (particularly in plants and early-branching eukaryotes) and introduce several new feat...
journal_title:Nucleic acids research
pub_type: 杂志文章
doi:10.1093/nar/gkx1019
更新日期:2018-01-04 00:00:00
abstract::Synchronized cells of a normal human lymphocytic cell line contain little swiven enzyme activity in G0 and G1 and high activity in Sphase. The level of activity in different growth phase appears to be related to the fraction of the population engaged in DNA replication. No endogenous inhibitor or activator of swiven a...
journal_title:Nucleic acids research
pub_type: 杂志文章
doi:10.1093/nar/3.12.3305
更新日期:1976-12-01 00:00:00
abstract::Effective drug discovery and optimization can be accelerated by techniques capable of deconvoluting the complexities often present in targeted biological systems. We report a single-molecule approach to study the binding of an alternative splicing regulator, muscleblind-like 1 protein (MBNL1), to (CUG)n = 4,6 and the ...
journal_title:Nucleic acids research
pub_type: 杂志文章
doi:10.1093/nar/gkt330
更新日期:2013-07-01 00:00:00
abstract::Ribosome biogenesis is a key process for maintaining protein synthetic capacity in dividing or growing cells, and requires coordinated production of ribosomal proteins and ribosomal RNA (rRNA), including the processing of the latter. Signalling through mammalian target of rapamycin complex 1 (mTORC1) activates all the...
journal_title:Nucleic acids research
pub_type: 杂志文章
doi:10.1093/nar/gku130
更新日期:2014-04-01 00:00:00
abstract::LOCtarget is a web server and database that predicts and annotates sub-cellular localization for structural genomics targets; LOCnet is one of the methods used in LOCtarget that can predict sub-cellular localization for all eukaryotic and prokaryotic proteins. Targets are taken from the central registration database f...
journal_title:Nucleic acids research
pub_type: 杂志文章
doi:10.1093/nar/gkh441
更新日期:2004-07-01 00:00:00
abstract::Control of RNA processing plays a major role in HIV-1 gene expression. To explore the role of several hnRNP proteins in this process, we carried out a siRNA screen to examine the effect of depletion of hnRNPs A1, A2, D, H, I and K on HIV-1 gene expression. While loss of hnRNPs H, I or K had little effect, depletion of...
journal_title:Nucleic acids research
pub_type: 杂志文章
doi:10.1093/nar/gkr1238
更新日期:2012-04-01 00:00:00
abstract::It is informative to detect highly conserved positions in proteins and nucleic acid sequence/structure since they are often indicative of structural and/or functional importance. ConSurf (http://consurf.tau.ac.il) and ConSeq (http://conseq.tau.ac.il) are two well-established web servers for calculating the evolutionar...
journal_title:Nucleic acids research
pub_type: 杂志文章
doi:10.1093/nar/gkq399
更新日期:2010-07-01 00:00:00
abstract::We describe improve enzymatic methods for sequencing method for sequencing DNA. They are based on partial digestion of duplex DNA with exonuclease III to produce DNA molecules with 3' ends shortened to varying lengths, followed by repair synthesis to extend and label the 3' ends. After asymmetrical cleavage of the DNA...
journal_title:Nucleic acids research
pub_type: 杂志文章
doi:10.1093/nar/10.6.2065
更新日期:1982-03-25 00:00:00
abstract::Protein classification by machine learning algorithms is now widely used in structural and functional annotation of proteins. The Protein Classification Benchmark collection (http://hydra.icgeb.trieste.it/benchmark) was created in order to provide standard datasets on which the performance of machine learning methods ...
journal_title:Nucleic acids research
pub_type: 杂志文章
doi:10.1093/nar/gkl812
更新日期:2007-01-01 00:00:00
abstract::According to recent models, as yet poorly studied architectural proteins appear to be required for local regulation of enhancer-promoter interactions, as well as for global chromosome organization. Transcription factors ZIPIC, Pita and Zw5 belong to the class of chromatin insulator proteins and preferentially bind to ...
journal_title:Nucleic acids research
pub_type: 杂志文章
doi:10.1093/nar/gkw371
更新日期:2016-09-06 00:00:00
abstract::2-Thiouracil-containing nucleosides are essential modified units of natural and synthetic nucleic acids. In particular, the 5-substituted-2-thiouridines (S2Us) present in tRNA play an important role in tuning the translation process through codon-anticodon interactions. The enhanced thermodynamic stability of S2U-cont...
journal_title:Nucleic acids research
pub_type: 杂志文章
doi:10.1093/nar/gkv109
更新日期:2015-03-11 00:00:00
abstract::Resonances of the water exchangeable iminoprotons of the acceptor and D stem of yeast tRNAPhe have been assigned by means of Nuclear Overhauser Effects (NOE's). Assignments were made for spectra recorded from tRNA dialysed against a buffer with 110 mM sodium and 5 mM magnesium ions and against a buffer with 430 mM sod...
journal_title:Nucleic acids research
pub_type: 杂志文章
doi:10.1093/nar/10.21.6981
更新日期:1982-11-11 00:00:00
abstract::mRNA deadenylation is under the control of cis-acting regulatory elements, which include AU-rich elements (AREs) and microRNA (miRNA) targeting sites, within the 3' untranslated region (3' UTRs) of eukaryotic mRNAs. Deadenylases promote miRNA-induced mRNA decay through their interaction with miRNA-induced silencing co...
journal_title:Nucleic acids research
pub_type: 杂志文章
doi:10.1093/nar/gkv959
更新日期:2015-12-15 00:00:00
abstract::Ensembl Genomes (http://www.ensemblgenomes.org) is an integrating resource for genome-scale data from non-vertebrate species, complementing the resources for vertebrate genomics developed in the Ensembl project (http://www.ensembl.org). Together, the two resources provide a consistent set of programmatic and interacti...
journal_title:Nucleic acids research
pub_type: 杂志文章
doi:10.1093/nar/gkx1011
更新日期:2018-01-04 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
pub_type: 杂志文章
doi:10.1093/nar/gkv1001
更新日期:2016-01-04 00:00:00
abstract::A gene bank of Staphylococcus aureus strain Cowan I was established using an E. coli HB101/pBR327 host-vector system. Recombinants expressing staphylococcal protein A (SPA) were detected using an IgG-binding assay. A 3.2 Kb DNA fragment directing the synthesis of SPA in E. coli was identified. SPA produced by E. coli ...
journal_title:Nucleic acids research
pub_type: 杂志文章
doi:10.1093/nar/11.10.3065
更新日期:1983-05-25 00:00:00
abstract::Insertion of the four major nucleotides at the 5'-side of the anticodon triplet of E. coli tRNAMetf was performed by joining of the half molecules obtained by limited digestion with RNase A and the chemically synthesized tetranucleotide pN-C-A-U using RNA ligase. Insertion of U-U at the 5'-side or A and A-A at the 3'-...
journal_title:Nucleic acids research
pub_type: 杂志文章
doi:10.1093/nar/13.10.3685
更新日期:1985-05-24 00:00:00
abstract::The thermodynamics of 13 hybridization reactions between 10 base DNA sequences of design 5'-ATGCXYATGC-3' with X, Y = A, C, G, T and their complementary PNA and DNA sequences were determined from isothermal titration calorimetry (ITC) measurements at ambient temperature. For the PNA/DNA hybridization reactions, the bi...
journal_title:Nucleic acids research
pub_type: 杂志文章
doi:10.1093/nar/27.24.4792
更新日期:1999-12-15 00:00:00
abstract::Pre-mRNA transcripts in a variety of organisms, including plants, Drosophila and Caenorhabditis elegans, contain introns which are significantly richer in adenosine and uridine residues than their flanking exons. Previous analyses using exonic and intronic replacements between two nonequivalent 5'splice sites in the 4...
journal_title:Nucleic acids research
pub_type: 杂志文章
doi:10.1093/nar/25.5.1071
更新日期:1997-03-01 00:00:00
abstract::Abasic sites are common DNA lesions resulting from spontaneous depurination and excision of damaged nucleobases by DNA repair enzymes. However, the influence of the local sequence context on the structure of the abasic site and ultimately, its recognition and repair, remains elusive. In the present study, duplex DNAs ...
journal_title:Nucleic acids research
pub_type: 杂志文章
doi:10.1093/nar/gkm622
更新日期:2008-01-01 00:00:00
abstract::Ribosome biogenesis is a dynamic multistep process, many features of which are still incompletely documented. Here, we show that changes in this pathway can be captured and annotated by means of a graphic set of pre-rRNA ratios, a technique we call Ratio Analysis of Multiple Precursors (RAMP). We find that knocking do...
journal_title:Nucleic acids research
pub_type: 杂志文章
doi:10.1093/nar/gku787
更新日期:2014-01-01 00:00:00
abstract::Endonucleases that generate double-strand breaks in DNA often possess two identical subunits related by rotational symmetry, arranged so that the active sites from each subunit act on opposite DNA strands. In contrast to many endonucleases, Type IIP restriction enzyme BcnI, which recognizes the pseudopalindromic seque...
journal_title:Nucleic acids research
pub_type: 杂志文章
doi:10.1093/nar/gkr588
更新日期:2011-11-01 00:00:00
abstract::Experimental evidence indicates that about 60% of miRNA-binding activity does not follow the canonical rule about the seed matching between miRNA and target mRNAs, but rather a non-canonical miRNA targeting activity outside the seed or with a seed-like motifs. Here, we propose a new unbiased method to identify canonic...
journal_title:Nucleic acids research
pub_type: 杂志文章
doi:10.1093/nar/gkx007
更新日期:2017-05-19 00:00:00