Functional endogenous LINE-1 retrotransposons are expressed and mobilized in rat chloroleukemia cells.

abstract：:Dinucleoside diphosphates of the general type pGpN have been prepared enzymatically using ribonuclease N1. Alkylated uridines or cytidines, which are products of carcinogens acting on nucleic acids, were tested in dinucleoside diphosphates for their ability to stimulate the binding of Ala- or Val-tRNA to ribosomes. O2...

journal_title：Nucleic acids research

authors： Singer B,Pergolizzi RG,Grunberger D

更新日期：1979-04-01 00:00:00

abstract：:DNA helicases are motor proteins that catalyze the unwinding of double-stranded DNA into single-stranded DNA using the free energy from ATP hydrolysis. Single molecule approaches enable us to address detailed mechanistic questions about how such enzymes move processively along DNA. Here, an optical method has been dev...

journal_title：Nucleic acids research

authors： Fili N,Mashanov GI,Toseland CP,Batters C,Wallace MI,Yeeles JT,Dillingham MS,Webb MR,Molloy JE

更新日期：2010-07-01 00:00:00

abstract：:The development of genetic switches and their integrated forms (genetic circuits) with desired specifications/functions is key for success in synthetic biology. Due to the difficulty in rational design, genetic switches and circuits with desirable specifications are mostly obtained by directed evolution. Based on a vi...

journal_title：Nucleic acids research

authors： Tashiro Y,Fukutomi H,Terakubo K,Saito K,Umeno D

更新日期：2011-02-01 00:00:00

abstract：:The NCBI Assembly database (www.ncbi.nlm.nih.gov/assembly/) provides stable accessioning and data tracking for genome assembly data. The model underlying the database can accommodate a range of assembly structures, including sets of unordered contig or scaffold sequences, bacterial genomes consisting of a single compl...

journal_title：Nucleic acids research

authors： Kitts PA,Church DM,Thibaud-Nissen F,Choi J,Hem V,Sapojnikov V,Smith RG,Tatusova T,Xiang C,Zherikov A,DiCuccio M,Murphy TD,Pruitt KD,Kimchi A

更新日期：2016-01-04 00:00:00

abstract：:Most microbes have not been cultured, and many of those that are cultivatable are difficult, dangerous or expensive to propagate or are genetically intractable. Routine cloning of large genome fractions or whole genomes from these organisms would significantly enhance their discovery and genetic and functional charact...

journal_title：Nucleic acids research

authors： Benders GA,Noskov VN,Denisova EA,Lartigue C,Gibson DG,Assad-Garcia N,Chuang RY,Carrera W,Moodie M,Algire MA,Phan Q,Alperovich N,Vashee S,Merryman C,Venter JC,Smith HO,Glass JI,Hutchison CA 3rd

更新日期：2010-05-01 00:00:00

abstract：:Human immunodeficiency virus-1 (HIV-1) leader RNA, which contains double-stranded regions due to inverted repeats, was shown to activate the dsRNA-dependent enzymes associated with the interferon system. HIV-1 leader RNA produced in vitro using SP6 RNA polymerase was characterized using probes for antisense and sense-...

journal_title：Nucleic acids research

authors： SenGupta DN,Silverman RH

更新日期：1989-02-11 00:00:00

abstract：:The inherent properties of DNA as a stable polymer with unique affinity for partner molecules determined by the specific Watson-Crick base pairing makes it an ideal component in self-assembling structures. This has been exploited for decades in the design of a variety of artificial substrates for investigations of DNA...

journal_title：Nucleic acids research

authors： Andersen FF,Knudsen B,Oliveira CL,Frøhlich RF,Krüger D,Bungert J,Agbandje-McKenna M,McKenna R,Juul S,Veigaard C,Koch J,Rubinstein JL,Guldbrandtsen B,Hede MS,Karlsson G,Andersen AH,Pedersen JS,Knudsen BR

更新日期：2008-03-01 00:00:00

abstract：:We describe a method for the formation of hybrid genes by in vivo recombination between two genes with partial sequence homology. DNA structures consisting of plasmid vector sequences, flanked by the alpha 2 interferon gene on the one side and a portion of the alpha 1 interferon gene (homology about 80%) on the other,...

journal_title：Nucleic acids research

authors： Weber H,Weissmann C

更新日期：1983-08-25 00:00:00

abstract：:Non-structural protein 3 (NS3) of hepatitis C virus (HCV) has two distinct activities, protease and helicase, which are essential for HCV proliferation. In previous work, we obtained RNA aptamers (G9-I, II and III) which specifically bound the NS3 protease domain (DeltaNS3), efficiently inhibiting protease activity in...

journal_title：Nucleic acids research

authors： Nishikawa F,Kakiuchi N,Funaji K,Fukuda K,Sekiya S,Nishikawa S

更新日期：2003-04-01 00:00:00

abstract：:The glycoprotein C (gC) gene of herpes simplex virus type 1 is a true late gene, in that its expression occurs late in infection with a strict requirement for viral DNA replication. Recently, we reported on gC expression during infection with mutant viruses carrying deletions in the gC gene promoter. Analysis of RNA e...

journal_title：Nucleic acids research

authors： Shapira M,Homa FL,Glorioso JC,Levine M

更新日期：1987-04-10 00:00:00

abstract：:Sgs1 is a member of the RecQ family of DNA helicases, which have been implicated in genomic stability, cancer and ageing. Srs2 is another DNA helicase that shares several phenotypic features with Sgs1 and double sgs1srs2 mutants have a severe synthetic growth phenotype. This suggests that there may be functional overl...

journal_title：Nucleic acids research

authors： Mankouri HW,Craig TJ,Morgan A

更新日期：2002-03-01 00:00:00

abstract：:The human immunodeficiency virus (HIV) and other retroviruses show extensive genomic variation, which is primarily due to error-prone replication by the viral reverse transcriptase (RT) enzymes. RT errors include misincorporation with subsequent extension of the mismatched terminal base, and extension of realigned pri...

journal_title：Nucleic acids research

authors： Das AT,Berkhout B

更新日期：1995-04-25 00:00:00

abstract：:The replication origin (oriC) of the Escherichia coli chromosome has been cloned and the region essential for chromosomal replication has been delimited to 245 base pairs. In previous studies the ability of recombinants between oriC and ColE1-type vectors, to transform E. coli polA- strains was used to determine which...

journal_title：Nucleic acids research

authors： Stuitje AR,Meijer M

更新日期：1983-11-25 00:00:00

abstract：:It has been proposed that phage lambda site-specific recombination proceeds via two independent strand exchanges: the first exchange forming a Holliday-structure which is then converted into complete recombinant products by the second strand exchange. If this hypothesis is correct, one should be able to trap the putat...

journal_title：Nucleic acids research

authors： Kitts PA,Nash HA

更新日期：1988-07-25 00:00:00

abstract：:Expression from the K. pneumoniae nifLA promoter is oxygen sensitive and is also inhibited by the DNA gyrase inhibitor coumermycin A1 under anaerobic growth conditions. The activity of this promoter was found to be highly sensitive to changes in DNA topology in vitro. Transcription was completely dependent on negative...

journal_title：Nucleic acids research

authors： Dixon RA,Henderson NC,Austin S

更新日期：1988-11-11 00:00:00

abstract：:The extrusion kinetics of two cruciforms derived from unrelated DNA sequences differ markedly. Kinetic barriers exist for both reactions, necessitating elevated temperatures before extrusion proceeds at measureable speeds, but the dependence upon temperature and ionic strength is quite different for the two sequences....

journal_title：Nucleic acids research

authors： Lilley DM

更新日期：1985-03-11 00:00:00

abstract：:We have developed a PCR-based short interfering RNA (siRNA) quantification method based on competition between siRNA and a homologous DNA primer for annealing to template DNA, avoiding the requirement for prior conversion of RNA to cDNA. Primers and probe were designed to amplify regions of the human papillomavirus E6...

journal_title：Nucleic acids research

authors： Liu WL,Stevenson M,Seymour LW,Fisher KD

更新日期：2009-01-01 00:00:00

abstract：:N7-Methyl-2'-deoxyguanosine (m7dG) is the predominant lesion formed by methylating agents. A systematic investigation on the effect of m7dG on DNA replication has been difficult due to the chemical instability of m7dG. To gain insights into the m7dG effect, we employed a 2'-fluorine-mediated transition-state destabilz...

journal_title：Nucleic acids research

authors： Koag MC,Kou Y,Ouzon-Shubeita H,Lee S

更新日期：2014-07-01 00:00:00

abstract：:Interaction detection methods have led to the discovery of thousands of interactions between proteins, and discerning relevance within large-scale data sets is important to present-day biology. Here, a spectral method derived from graph theory was introduced to uncover hidden topological structures (i.e. quasi-cliques...

journal_title：Nucleic acids research

authors： Bu D,Zhao Y,Cai L,Xue H,Zhu X,Lu H,Zhang J,Sun S,Ling L,Zhang N,Li G,Chen R

更新日期：2003-05-01 00:00:00

abstract：:A 9.2 kb segment of the maxi-circle of Trypanosoma brucei mitochondrial DNA contains the genes for cytochrome c oxidase subunits I and II (coxI and coxII) and seven Unassigned Reading Frames ("URFs"). The genes for coxI and coxII display considerable homology at the aminoacid level (38 and 25%, respectively) to the co...

journal_title：Nucleic acids research

authors： Hensgens LA,Brakenhoff J,De Vries BF,Sloof P,Tromp MC,Van Boom JH,Benne R

更新日期：1984-10-11 00:00:00

abstract：:Therapeutic oligonucleotides are often modified using the phosphorothioate (PS) backbone modification which enhances stability from nuclease mediated degradation. However, substituting oxygen in the phosphodiester backbone with sulfur introduce chirality into the backbone such that a full PS 16-mer oligonucleotide is ...

journal_title：Nucleic acids research

authors： Østergaard ME,De Hoyos CL,Wan WB,Shen W,Low A,Berdeja A,Vasquez G,Murray S,Migawa MT,Liang XH,Swayze EE,Crooke ST,Seth PP

更新日期：2020-02-28 00:00:00

abstract：:Bgee is a database to retrieve and compare gene expression patterns in multiple animal species, produced by integrating multiple data types (RNA-Seq, Affymetrix, in situ hybridization, and EST data). It is based exclusively on curated healthy wild-type expression data (e.g., no gene knock-out, no treatment, no disease...

journal_title：Nucleic acids research

authors： Bastian FB,Roux J,Niknejad A,Comte A,Fonseca Costa SS,de Farias TM,Moretti S,Parmentier G,de Laval VR,Rosikiewicz M,Wollbrett J,Echchiki A,Escoriza A,Gharib WH,Gonzales-Porta M,Jarosz Y,Laurenczy B,Moret P,Person E,

更新日期：2021-01-08 00:00:00

abstract：:Oxoguanine DNA glycosylase (OGG1) initiates the repair of 8-oxoguanine (8-oxoG), a major oxidative DNA base modification that has been directly implicated in cancer and aging. OGG1 functions in the base excision repair pathway, for which a molecular hand-off mechanism has been proposed. To date, only one functional an...

journal_title：Nucleic acids research

authors： Hu J,Imam SZ,Hashiguchi K,de Souza-Pinto NC,Bohr VA

更新日期：2005-06-07 00:00:00

abstract：:Helicobacter pylori is a Gram-negative bacterium that colonizes human stomach and causes gastric inflammation. The species is naturally competent and displays remarkable diversity. The presence of a large number of restriction-modification (R-M) systems in this bacterium creates a barrier against natural transformatio...

journal_title：Nucleic acids research

authors： Dwivedi GR,Sharma E,Rao DN

更新日期：2013-03-01 00:00:00

abstract：:We introduce M-Coffee, a meta-method for assembling multiple sequence alignments (MSA) by combining the output of several individual methods into one single MSA. M-Coffee is an extension of T-Coffee and uses consistency to estimate a consensus alignment. We show that the procedure is robust to variations in the choice...

journal_title：Nucleic acids research

authors： Wallace IM,O'Sullivan O,Higgins DG,Notredame C

更新日期：2006-03-23 00:00:00

abstract：:Codon usage data has been compiled for 110 yeast genes. Cluster analysis on relative synonymous codon usage revealed two distinct groups of genes. One group corresponds to highly expressed genes, and has much more extreme synonymous codon preference. The pattern of codon usage observed is consistent with that expected...

journal_title：Nucleic acids research

authors： Sharp PM,Tuohy TM,Mosurski KR

更新日期：1986-07-11 00:00:00

abstract：:DNA binding of heat shock factor 2 (HSF2) is induced during hemin-induced differentiation of human erythroleukemia cell line K562. To identify the transcriptional activation and the regulatory domains of HSF2, we constructed a series of deletion derivatives fused to the yeast GAL4 DNA binding domain and analyzed their...

journal_title：Nucleic acids research

authors： Yoshima T,Yura T,Yanagi H

更新日期：1998-06-01 00:00:00

abstract：:IL-2 gene expression in activated T-cells is initiated by chromatin remodeling at the IL-2 proximal promoter and conversion of a transcriptional repressor into a potent transcriptional activator. A purine-box regulator complex was purified from activated Jurkat T-cell nuclei based on sequence-specific DNA binding to t...

journal_title：Nucleic acids research

authors： Shi L,Qiu D,Zhao G,Corthesy B,Lees-Miller S,Reeves WH,Kao PN

更新日期：2007-01-01 00:00:00

abstract：:Messenger RNAs homologous to a cDNA clone (pTOM 13) derived from a ripe-tomato-specific cDNA library are expressed during tomato fruit ripening and after the wounding of leaf and green fruit material. Both responses involve the synthesis of the hormone ethylene. Accumulation of the pTOM 13--homologous RNA during ripen...

journal_title：Nucleic acids research

authors： Holdsworth MJ,Bird CR,Ray J,Schuch W,Grierson D

更新日期：1987-01-26 00:00:00

abstract：:An enzyme activity introducing an alkali-labile site at 2-hydroxyadenine (2-OH-A) in double-stranded oligonucleotides was detected in nuclear extracts of Jurkat cells. This activity co-eluted with activities toward adenine paired with guanine and 8-oxo-7,8-dihydroguanine (8-oxoG) as a single peak corresponding to a 55...

journal_title：Nucleic acids research

authors： Ohtsubo T,Nishioka K,Imaiso Y,Iwai S,Shimokawa H,Oda H,Fujiwara T,Nakabeppu Y

更新日期：2000-03-15 00:00:00