Exogenous RNAi mechanisms contribute to transcriptome adaptation by phased siRNA clusters in Paramecium.

abstract：:The last 82 nucleotides of the 6.3 kb genomic RNA of plant turnip yellow mosaic virus (TYMV), the so-called 'tRNA-like' domain, presents functional, structural and primary sequence homologies with canonical tRNAs. In particular, one of the stem-loops resembles the TPsi(pseudouridine)-branch of tRNA, except for the pre...

journal_title：Nucleic acids research

authors： Becker HF,Motorin Y,Florentz C,Giegé R,Grosjean H

更新日期：1998-09-01 00:00:00

abstract：:Chromatin immunoprecipitation (ChIP) has been used to detect binding of DNA-binding proteins to sites in nuclear and mitochondrial genomes. Here, we describe a method for detecting protein-binding sites on chloroplast DNA, using modifications to the nuclear ChIP procedures. The method was developed using the lac opera...

journal_title：Nucleic acids research

authors： Newell CA,Gray JC

更新日期：2010-08-01 00:00:00

abstract：:RNA-based therapeutics, i.e. the utilization of synthetic RNA molecules to alter cellular functions, have the potential to address targets which are currently out of scope for traditional drug design pipelines. This potential however hinges on the ability to selectively deliver and internalize therapeutic RNAs into ce...

journal_title：Nucleic acids research

authors： Wang Y,Hoinka J,Liang Y,Adamus T,Swiderski P,Przytycka TM

更新日期：2018-09-19 00:00:00

abstract：:In the last decade polycistronic vectors have become essential tools for both basic science and gene therapy applications. In order to co-express heterologous polypeptides, different systems have been developed from Internal Ribosome Entry Site (IRES) based vectors to the use of the 2A peptide. Unfortunately, these me...

journal_title：Nucleic acids research

authors： Fallot S,Ben Naya R,Hieblot C,Mondon P,Lacazette E,Bouayadi K,Kharrat A,Touriol C,Prats H

更新日期：2009-11-01 00:00:00

abstract：:Treatment of NIH 3T3 cells with trichostatin A (TSA), an inhibitor of histone deacetylase (HDAC), resulted in a dose-dependent increase in transcription from a rDNA reporter and from endogenous rRNA genes. Chromatin immunoprecipitation using anti-acetyl-histone H4 antibodies demonstrated a direct effect of TSA on the ...

journal_title：Nucleic acids research

authors： Hirschler-Laszkiewicz I,Cavanaugh A,Hu Q,Catania J,Avantaggiati ML,Rothblum LI

更新日期：2001-10-15 00:00:00

abstract：:Transcriptionally non-co-linear (NCL) transcripts can originate from trans-splicing (trans-spliced RNA; 'tsRNA') or cis-backsplicing (circular RNA; 'circRNA'). While numerous circRNAs have been detected in various species, tsRNAs remain largely uninvestigated. Here, we utilize integrative transcriptome sequencing of p...

journal_title：Nucleic acids research

authors： Chuang TJ,Chen YJ,Chen CY,Mai TL,Wang YD,Yeh CS,Yang MY,Hsiao YT,Chang TH,Kuo TC,Cho HH,Shen CN,Kuo HC,Lu MY,Chen YH,Hsieh SC,Chiang TW

更新日期：2018-04-20 00:00:00

abstract：:The DNA replication, plasmid segregation and transactivation functions of Epstein-Barr nuclear antigen 1 (EBNA1) require the binding of EBNA1 to specific DNA recognition sites in the two non-contiguous functional elements of the Epstein-Barr virus latent origin of replication, oriP . EBNA1 molecules bound to these ele...

journal_title：Nucleic acids research

authors： Avolio-Hunter TM,Frappier L

更新日期：1998-10-01 00:00:00

abstract：:The effect of different levels of mercury substitution on the rate and extent of hybridisation of globin mRNA with a complementary DNA (cDNA) copy has been investigated. It was found that mercuration significantly reduces both the rate of hybridisation and the extent of the reaction, but that these effects are abolish...

journal_title：Nucleic acids research

authors： Brown TD,Balmain A

更新日期：1979-12-20 00:00:00

abstract：:We report here the construction of engineered endonuclease database (EENdb) (http://eendb.zfgenetics.org/), a searchable database and knowledge base for customizable engineered endonucleases (EENs), including zinc finger nucleases (ZFNs) and transcription activator-like effector nucleases (TALENs). EENs are artificial...

journal_title：Nucleic acids research

authors： Xiao A,Wu Y,Yang Z,Hu Y,Wang W,Zhang Y,Kong L,Gao G,Zhu Z,Lin S,Zhang B

更新日期：2013-01-01 00:00:00

abstract：:In some preparations of DNA dependent RNA polymerase a new enzymatic activity has been found which catalyzes the condensation of two pyrophosphate molecules, liberated in the process of RNA synthesis, to one molecule of orthophosphate and one molecule of Mg (or Mn) - chelate complex with trimetaphosphate. This activit...

journal_title：Nucleic acids research

authors： Volloch VZ,Rits S,Tumerman L

更新日期：1979-04-01 00:00:00

abstract：:A class II site-specific endodeoxyribonuclease (SalPI) was identified in cell-free extracts of Streptomyces albus CMI 52766 after high speed centrifugation and fractionation through Bio Gel AO.5M. SalPI cleaves lambda DNA into at least 18 fragments. Five cleavage sites were located in the linear lambda map by the use ...

journal_title：Nucleic acids research

authors： Chater KF

更新日期：1977-06-01 00:00:00

abstract：:A theoretical approach for linkage mapping the genome of any higher eukaryote is described. It uses the polymerase chain reaction, oligonucleotides of random sequence and single haploid cells. Markers are defined and then the DNA of a single sperm is broken at random (eg by gamma-rays) and physically split into 3 aliq...

journal_title：Nucleic acids research

authors： Dear PH,Cook PR

更新日期：1989-09-12 00:00:00

abstract：:DNA synthesized by in vitro transcription on rat interferon (IFN) mRNA has been cloned and amplified as recombinant DNA. The nucleotide sequence of these rat IFN cDNA clones revealed i. the partial presence of the coding region of the gene and ii all cDNA clones were derived from the same subtype of rat IFN-alpha mRNA...

journal_title：Nucleic acids research

authors： Dijkema R,Pouwels P,de Reus A,Schellekens H

更新日期：1984-01-25 00:00:00

abstract：:The irradiation of native or unmodified yeast tRNA(Phe) by short wavelength UV light (260 nM) results in an intramolecular crosslink that has been mapped to occur between C48 in the variable loop and U59 in the T loop. Photo-reversibility of the crosslink and the absence of fluorescent photo adducts suggest that the c...

journal_title：Nucleic acids research

authors： Behlen LS,Sampson JR,Uhlenbeck OC

更新日期：1992-08-11 00:00:00

abstract：:The Bayesian regularization method for high-throughput differential analysis, described in Baldi and Long (A Bayesian framework for the analysis of microarray expression data: regularized t-test and statistical inferences of gene changes. Bioinformatics 2001: 17: 509-519) and implemented in the Cyber-T web server, is ...

journal_title：Nucleic acids research

authors： Kayala MA,Baldi P

更新日期：2012-07-01 00:00:00

abstract：:Human transcription factor IIIC contains a 55 kDa polypeptide which specifically interacts with the Adenovirus 2 VAI gene promoter and which mimics most of the DNA binding properties of the entire factor. The specificity and affinity of this protein:DNA interaction was demonstrated by: (i) Separation of purified fract...

journal_title：Nucleic acids research

authors： Schneider HR,Waldschmidt R,Seifart KH

更新日期：1990-08-25 00:00:00

abstract：:Escherichia coli has long been regarded as a model organism in the study of codon usage bias (CUB). However, most studies in this organism regarding this topic have been computational or, when experimental, restricted to small datasets; particularly poor attention has been given to genes with low CUB. In this work, co...

journal_title：Nucleic acids research

authors： dos Reis M,Wernisch L,Savva R

更新日期：2003-12-01 00:00:00

abstract：:The Gene Expression Database (GXD) is a community resource of gene expression information for the laboratory mouse. By combining the different types of expression data, GXD aims to provide increasingly complete information about the expression profiles of genes in different mouse strains and mutants, thus enabling val...

journal_title：Nucleic acids research

authors： Ringwald M,Eppig JT,Begley DA,Corradi JP,McCright IJ,Hayamizu TF,Hill DP,Kadin JA,Richardson JE

更新日期：2001-01-01 00:00:00

abstract：:Inducible promoters are a central regulatory component in synthetic biology, metabolic engineering, and protein production for laboratory and commercial uses. Many of these applications utilize two or more exogenous promoters, imposing a currently unquantifiable metabolic burden on the living system. Here, we engineer...

journal_title：Nucleic acids research

authors： Davey JA,Wilson CJ

更新日期：2020-09-25 00:00:00

abstract：:The agents daunomycin, ethidium bromide, distamycin A and cytochrome c inhibit DNA dependent DNA polymerase I (E. coli) reaction competitively to DNA. The influence of these template inactivators on the binding of DNA polymerase to native as well as denatured DNA has been determined by affinity chromatography. Cytochr...

journal_title：Nucleic acids research

authors： Müller WE,Obermeier J,Totsuka A,Zahn RK

更新日期：1974-01-01 00:00:00

abstract：:ProtoNet is an automatic hierarchical classification of the protein sequence space. In 2004, the ProtoNet (version 4.0) presents the analysis of over one million proteins merged from SwissProt and TrEMBL databases. In addition to rich visualization and analysis tools to navigate the clustering hierarchy, we incorporat...

journal_title：Nucleic acids research

authors： Kaplan N,Sasson O,Inbar U,Friedlich M,Fromer M,Fleischer H,Portugaly E,Linial N,Linial M

更新日期：2005-01-01 00:00:00

abstract：:UV-irradiation (lambda = 254 nm) of liquid aqueous solutions of deoxyguanosine in the presence of oxygen at pH less than 7 causes an intensive degradation of nucleoside. The quantum yield estimated from A254 decrease for the reaction mixture was found to be 1.5X10(-4) at doses to 150 E/mole. The rate of A254 decrease ...

journal_title：Nucleic acids research

authors： Ivanchenko VA,Budowsky EI,Simukova NA,Vul'fson NS,Tishchenko AI,Askerov DB

更新日期：1977-04-01 00:00:00

abstract：:The reactions between purified anti-poly A. poly U and-poly I. poly C. antibodies (IgG and IgM), and synthetic and natural polynucleotides were visualized at the molecular level. This was achieved by the use of fine tungsten bidirectional shadowing of molecules adsorbed onto thin carbon films, combined with dark field...

journal_title：Nucleic acids research

authors： Nahon-Merlin E,Delain E,Coulaud D,Lacour F

更新日期：1980-04-25 00:00:00

abstract：:The leaf senescence database (LSD) is a comprehensive resource of senescence-associated genes (SAGs) and their corresponding mutants. Through manual curation and extensive annotation, we updated the LSD to a new version LSD 3.0, which contains 5853 genes and 617 mutants from 68 species. To provide sustainable and reli...

journal_title：Nucleic acids research

authors： Li Z,Zhang Y,Zou D,Zhao Y,Wang HL,Zhang Y,Xia X,Luo J,Guo H,Zhang Z

更新日期：2020-01-08 00:00:00

abstract：:Direct labeling of RNA is an expedient method for labeling large quantities (e.g. micrograms) of target RNA for microarray analysis. We have developed an efficient labeling system that uses T4 RNA ligase to attach a 3'-biotinylated donor molecule to target RNA. Microarray analyses indicate that directly labeled RNA is...

journal_title：Nucleic acids research

authors： Cole K,Truong V,Barone D,McGall G

更新日期：2004-06-17 00:00:00

abstract：:The thymine analog 5-chlorouridine, first reported in the 1950s as anti-tumor agent, is known as an effective mutagen, clastogen and toxicant as well as an effective inducer of sister-chromatid exchange. Recently, the first microorganism with a chemically different genome was reported; the selected Escherichia coli st...

journal_title：Nucleic acids research

authors： Patra A,Harp J,Pallan PS,Zhao L,Abramov M,Herdewijn P,Egli M

更新日期：2013-02-01 00:00:00

abstract：:Homing endonucleases (HEs) cut long DNA target sites with high specificity to initiate and target the lateral transfer of mobile introns or inteins. This high site specificity of HEs makes them attractive reagents for gene targeting to promote DNA modification or repair. We have generated several hundred catalytically...

journal_title：Nucleic acids research

authors： Li H,Pellenz S,Ulge U,Stoddard BL,Monnat RJ Jr

更新日期：2009-04-01 00:00:00

abstract：:NONO, SFPQ and PSPC1 make up a family of proteins with diverse roles in transcription, RNA processing and DNA double-strand break (DSB) repair. To understand long-term effects of loss of NONO, we characterized murine embryonic fibroblasts (MEFs) from knockout mice. In the absence of genotoxic stress, wild-type and mut...

journal_title：Nucleic acids research

authors： Li S,Li Z,Shu FJ,Xiong H,Phillips AC,Dynan WS

更新日期：2014-09-01 00:00:00

abstract：:TIGRFAMs is a collection of protein family definitions built to aid in high-throughput annotation of specific protein functions. Each family is based on a hidden Markov model (HMM), where both cutoff scores and membership in the seed alignment are chosen so that the HMMs can classify numerous proteins according to the...

journal_title：Nucleic acids research

authors： Selengut JD,Haft DH,Davidsen T,Ganapathy A,Gwinn-Giglio M,Nelson WC,Richter AR,White O

更新日期：2007-01-01 00:00:00

abstract：:The secondary structures of the 5'-untranslated region (5'-UTR) of five different tymoviruses have been determined by structure probing, computer prediction and sequence comparison. Despite large sequence differences, there are remarkable similarities in the secondary structure. In all viruses two or four hairpins are...

journal_title：Nucleic acids research

authors： Hellendoorn K,Michiels PJ,Buitenhuis R,Pleij CW

更新日期：1996-12-15 00:00:00