The UNITE database for molecular identification of fungi: handling dark taxa and parallel taxonomic classifications.

abstract：:The macronuclear genome of Euplotes crassus contains two different genes, EFA1 and EFA2, encoding EF-1alpha proteins. They are derived from micronuclear precursors in the course of a sexual process termed conjugation. We have found that two apparent micronuclear precursors exist for EFA1. They differ in their potentia...

journal_title：Nucleic acids research

authors： Florian V,Klein A

更新日期：1996-08-15 00:00:00

abstract：:The thumb subdomain, located in various family B DNA polymerases in the C-terminal region, has been shown in their crystal structures to move upon binding of DNA, changing its conformation to nearly completely wrap around the DNA. It has therefore been involved in DNA binding. In agreement with this, partial proteolys...

journal_title：Nucleic acids research

authors： Truniger V,Lázaro JM,Salas M

更新日期：2004-01-16 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：:Escherichia coli Exonuclease I (ExoI) digests single-stranded DNA (ssDNA) in the 3'-5' direction in a highly processive manner. The crystal structure of ExoI, determined previously in the absence of DNA, revealed a C-shaped molecule with three domains that form a central positively charged groove. The active site is a...

journal_title：Nucleic acids research

authors： Korada SK,Johns TD,Smith CE,Jones ND,McCabe KA,Bell CE

更新日期：2013-06-01 00:00:00

abstract：:DNA dodecamers have been designed with two cytosines on each end and intervening A and T stretches, such that the oligomers have fully complementary A:T base pairs when aligned in the parallel orientation. Spectroscopic (UV, CD and IR), NMR and molecular dynamics studies have shown that oligomers having the sequences ...

journal_title：Nucleic acids research

authors： Parvathy VR,Bhaumik SR,Chary KV,Govil G,Liu K,Howard FB,Miles HT

更新日期：2002-04-01 00:00:00

abstract：:Here, we present an update of Breast Cancer Now Tissue Bank bioinformatics, a rich platform for the sharing, mining, integration and analysis of breast cancer data. Its modalities provide researchers with access to a centralised information gateway from which they can access a network of bioinformatic resources to que...

journal_title：Nucleic acids research

authors： Gadaleta E,Pirrò S,Dayem Ullah AZ,Marzec J,Chelala C

更新日期：2018-01-04 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：:A type II restriction endonuclease, named CviJI, was isolated from a eukaryotic Chlorella-like green alga infected with the dsDNA containing virus IL-3A. CviJI is the first restriction endonuclease to recognize the sequence PuGCPy; CviJI cleaves DNA between the G and C. Methylation of the cytosine in PuGCPy sequences ...

journal_title：Nucleic acids research

authors： Xia YN,Burbank DE,Uher L,Rabussay D,Van Etten JL

更新日期：1987-08-11 00:00:00

abstract：:We have examined the ability of a cationic planar chromophore, ethidium bromide, to intercalate into a short, defined triple helix. Using UV absorption, fluorescence spectroscopy and a gel retardation assay we demonstrate that ethidium bromide is able to bind to a triple helix with a lower affinity than to the corresp...

journal_title：Nucleic acids research

authors： Mergny JL,Collier D,Rougée M,Montenay-Garestier T,Hélène C

更新日期：1991-04-11 00:00:00

abstract：:A successful application is reported of the multivariate curve resolution alternating least-squares method (MCR-ALS) for the analysis of nucleic acid melting and salt-induced transitions. Under conditions where several structures co-exist in a conformational equilibrium, MCR-ALS analysis of the UV and circular dichroi...

journal_title：Nucleic acids research

authors： Jaumot J,Escaja N,Gargallo R,González C,Pedroso E,Tauler R

更新日期：2002-09-01 00:00:00

abstract：:Invertebrate RNA viruses are targets of the host RNA interference (RNAi) pathway, which limits virus infection by degrading viral RNA substrates. Several insect RNA viruses encode suppressor proteins to counteract this antiviral response. We recently demonstrated that the dsDNA virus Invertebrate iridescent virus 6 (I...

journal_title：Nucleic acids research

authors： Bronkhorst AW,van Cleef KW,Venselaar H,van Rij RP

更新日期：2014-10-29 00:00:00

abstract：:In addition to maintaining the GenBank® nucleic acid sequence database, the National Center for Biotechnology Information (NCBI) provides analysis and retrieval resources for the data in GenBank and other biological data made available through the NCBI Web site. NCBI resources include Entrez, the Entrez Programming Ut...

journal_title：Nucleic acids research

authors： Sayers EW,Barrett T,Benson DA,Bolton E,Bryant SH,Canese K,Chetvernin V,Church DM,DiCuccio M,Federhen S,Feolo M,Fingerman IM,Geer LY,Helmberg W,Kapustin Y,Landsman D,Lipman DJ,Lu Z,Madden TL,Madej T,Maglott DR,Ma

更新日期：2011-01-01 00:00:00

abstract：:Nuclear factor I (NFI) is a site-specific DNA binding protein required for the replication of adenovirus type 2 DNA in vitro and in vivo. To study sequence requirements for the interaction of NFI with DNA, we have measured the binding of the protein to a variety of synthetic sites. Binding sites for NFI (FIB sites) we...

journal_title：Nucleic acids research

authors： Gronostajski RM

更新日期：1987-07-24 00:00:00

abstract：:The deoxyoctanucleotide 5'd (AAGGAGGT) which is complementary to the 3' terminus of 16S RNA has been used as a probe to measure the potential of this rRNA region to engage in intermolecular basepairing. The site specific binding of the octanucleotide is shown by labeling 16S RNA in situ at its 3' end with [32P]pCp and...

journal_title：Nucleic acids research

authors： Backendorf C,Ravensbergen CJ,Van der Plas J,van Boom JH,Veeneman G,Van Duin J

更新日期：1981-03-25 00:00:00

abstract：:Specific guanine-rich regions in human genome can form higher-order DNA structures called G-quadruplexes, which regulate many relevant biological processes. For instance, the formation of G-quadruplex at telomeres can alter cellular functions, inducing apoptosis. Thus, developing small molecules that are able to bind ...

journal_title：Nucleic acids research

authors： Di Leva FS,Novellino E,Cavalli A,Parrinello M,Limongelli V

更新日期：2014-05-01 00:00:00

abstract：:Recently, due to the dual roles of DNA and enzyme, DNAzyme has been widely used in the field of DNA circuit, which has a wide range of applications in bio-engineered system, information processing and biocomputing. In fact, the activity of DNAzymes was regulated by subunits assembly, pH control and metal ions triggers...

journal_title：Nucleic acids research

authors： Zheng X,Yang J,Zhou C,Zhang C,Zhang Q,Wei X

更新日期：2019-02-20 00:00:00

abstract：:DNA tandem repeats (TRs) are ubiquitous genomic features which consist of two or more adjacent copies of an underlying pattern sequence. The copies may be identical or approximate. Variable number of tandem repeats or VNTRs are polymorphic TR loci in which the number of pattern copies is variable. In this paper we des...

journal_title：Nucleic acids research

authors： Gelfand Y,Hernandez Y,Loving J,Benson G

更新日期：2014-08-01 00:00:00

abstract：:Immunoglobulin (Ig) diversification by somatic hypermutation in germinal center B cells is instrumental for maturation of the humoral immune response, but also bears the risk of excessive or aberrant genetic changes. Thus, introduction of DNA damage by activation-induced cytidine deaminase as well as DNA repair by mul...

journal_title：Nucleic acids research

authors： Frankenberger S,Davari K,Fischer-Burkart S,Böttcher K,Tomi NS,Zimber-Strobl U,Jungnickel B

更新日期：2014-04-01 00:00:00

abstract：:RNA can directly bind to purine-rich DNA via Hoogsteen base pairing, forming a DNA:RNA triple helical structure that anchors the RNA to specific sequences and allows guiding of transcription regulators to distinct genomic loci. To unravel the prevalence of DNA:RNA triplexes in living cells, we have established a fast ...

journal_title：Nucleic acids research

authors： Sentürk Cetin N,Kuo CC,Ribarska T,Li R,Costa IG,Grummt I

更新日期：2019-03-18 00:00:00

abstract：:We have developed an effective, easy-to-use two-step system for the site-directed insertion of large genetic constructs into arbitrary positions in the Escherichia coli chromosome. The system uses lambda-Red mediated recombineering accompanied by the introduction of double-strand DNA breaks in the chromosome and a don...

journal_title：Nucleic acids research

authors： Kuhlman TE,Cox EC

更新日期：2010-04-01 00:00:00

abstract：:eggNOG is a public database of orthology relationships, gene evolutionary histories and functional annotations. Here, we present version 5.0, featuring a major update of the underlying genome sets, which have been expanded to 4445 representative bacteria and 168 archaea derived from 25 038 genomes, as well as 477 euka...

journal_title：Nucleic acids research

authors： Huerta-Cepas J,Szklarczyk D,Heller D,Hernández-Plaza A,Forslund SK,Cook H,Mende DR,Letunic I,Rattei T,Jensen LJ,von Mering C,Bork P

更新日期：2019-01-08 00:00:00

abstract：:Transcription of 5S RNA gene in Xenopus oocytes requires a 38 kDa transcription factor TFIIIA, which interacts with the 50 bp internal control region of the gene. We looked for TFIIIA-like polypeptides in the extracts of adult Xenopus tissues on the basis of their antigenic cross-reactivity to anti-TFIIIA antibody. Se...

journal_title：Nucleic acids research

authors： Yasui W,Ryoji M

更新日期：1989-07-25 00:00:00

abstract：:RNA editing of miRNAs, especially in the seed region, adds another layer to miRNA mediated gene regulation which can modify its targets, altering cellular signaling involved in important processes such as differentiation. In this study, we have explored the role of miRNA editing in CD4(+) T cell differentiation. CD4(+...

journal_title：Nucleic acids research

authors： Negi V,Paul D,Das S,Bajpai P,Singh S,Mukhopadhyay A,Agrawal A,Ghosh B

更新日期：2015-09-18 00:00:00

abstract：:An oligonucleotide hybrid is described which possesses two triple helix forming oligonucleotides which have been connected by a flexible polymeric linker chain. As a prototype, binding of this class of oligonucleotide to duplex DNA has been studied using a segment of the HSV-1 D-glycoprotein promoter, which possesses ...

journal_title：Nucleic acids research

authors： Kessler DJ,Pettitt BM,Cheng YK,Smith SR,Jayaraman K,Vu HM,Hogan ME

更新日期：1993-10-11 00:00:00

abstract：:The tumor suppressor gene, p53, is rarely mutated in neuroblastomas (NB) at the time of diagnosis, but its dysfunction could result from a nonfunctional conformation or cytoplasmic sequestration of the wild-type p53 protein. However, p53 mutation, when it occurs, is found in NB tumors with drug resistance acquired ove...

journal_title：Nucleic acids research

authors： Goldschneider D,Horvilleur E,Plassa LF,Guillaud-Bataille M,Million K,Wittmer-Dupret E,Danglot G,de Thé H,Bénard J,May E,Douc-Rasy S

更新日期：2006-01-01 00:00:00

abstract：:As opposed to the vast majority of prokaryotic repressors, the immunity repressor of temperate Escherichia coli phage P2 (C) recognizes non-palindromic direct repeats of DNA rather than inverted repeats. We have determined the crystal structure of P2 C at 1.8 Å. This constitutes the first structure solved from the fam...

journal_title：Nucleic acids research

authors： Massad T,Skaar K,Nilsson H,Damberg P,Henriksson-Peltola P,Haggård-Ljungquist E,Högbom M,Stenmark P

更新日期：2010-11-01 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

authors： Morisset D,Dobnik D,Hamels S,Zel J,Gruden K

更新日期：2008-10-01 00:00:00

abstract：:The Restriction-modification system AhdI contains two convergent transcription units, one with genes encoding methyltransferase subunits M and S and another with genes encoding the controller (C) protein and the restriction endonuclease (R). We show that AhdI transcription is controlled by two independent regulatory l...

journal_title：Nucleic acids research

authors： Bogdanova E,Djordjevic M,Papapanagiotou I,Heyduk T,Kneale G,Severinov K

更新日期：2008-03-01 00:00:00

abstract：:We have isolated and characterized a S. pombe promoter using a functional heterologous gene product assay. Random S. pombe genomic fragments were cloned upstream from the promoterless 'lacZ gene and tested in vivo for their efficiency to promote expression of the beta-galactosidase protein in the fission yeast. An eff...

journal_title：Nucleic acids research

authors： Kudla B,Persuy MA,Gaillardin C,Heslot H

更新日期：1988-09-12 00:00:00

abstract：:Substantial amounts of DNA (at least 25 microgram per cm2) can be stably bound to diazobenzyloxymethyl (DBM)-paper. Complementary RNA will hybridize to the DNA paper almost completely in 24 hours. Using several different conditions of hybridization and washing, the background of RNA bound non-specifically is very low ...

journal_title：Nucleic acids research

authors： Stark GR,Williams JG

更新日期：1979-01-01 00:00:00