T1DBase: update 2011, organization and presentation of large-scale data sets for type 1 diabetes research.

abstract：:The NCBI Taxonomy database (http://www.ncbi.nlm.nih.gov/taxonomy) is the standard nomenclature and classification repository for the International Nucleotide Sequence Database Collaboration (INSDC), comprising the GenBank, ENA (EMBL) and DDBJ databases. It includes organism names and taxonomic lineages for each of the...

journal_title：Nucleic acids research

authors： Federhen S

更新日期：2012-01-01 00:00:00

abstract：:A limited number of Methicillin-resistant Staphylococcus aureus (MRSA) clones are responsible for MRSA infections worldwide, and those of different lineages carry unique Type I restriction-modification (RM) variants. We have identified the specific DNA sequence targets for the dominant MRSA lineages CC1, CC5, CC8 and ...

journal_title：Nucleic acids research

authors： Roberts GA,Houston PJ,White JH,Chen K,Stephanou AS,Cooper LP,Dryden DT,Lindsay JA

更新日期：2013-08-01 00:00:00

abstract：:Addition of thiol compounds containing an anionic group to the 3'-terminal unsaturated sugar of the 5' fragment obtained from an oligonucleotide containing an AP site cleaved by beta-elimination, can be followed by gel electrophoresis. The technique enables to distinguish between two mechanisms of cleavage of the C3'-...

journal_title：Nucleic acids research

authors： Bailly V,Verly WG

更新日期：1988-10-25 00:00:00

abstract：:Real-time PCR is being used increasingly as the method of choice for mRNA quantification, allowing rapid analysis of gene expression from low quantities of starting template. Despite a wide range of approaches, the same principles underlie all data analysis, with standard approaches broadly classified as either absolu...

journal_title：Nucleic acids research

authors： Peirson SN,Butler JN,Foster RG

更新日期：2003-07-15 00:00:00

abstract：:Mouse globin messenger ribonucleoprotein (mRNP) has been isolated from reticulocyte polysomes by affinity chromatography to oligo(T)-cellulose, using a procedure modified from that of Lindberg and Sundquist. The messenger RNA and protein moieties fo the mRNP are indistinguishable from those isolated by less rapid tech...

journal_title：Nucleic acids research

authors： Burns AT,Williamson R

更新日期：1975-12-01 00:00:00

abstract：:The stable intermediates formed in the reaction of cytosine, cytidine and adenosine with chloracetaldehyde were isolated. The -CH2CH/OH/- bridge between the exo and endo nitrogen atoms of the parent base was found in these compounds by means of PMR spectroscopy. Their acid-induced dehydration resulted in formation of ...

journal_title：Nucleic acids research

authors： Biernat J,Ciesiołka J,Górnicki P,Adamiak RW,Kryzosiak WJ,Wiewiórowski M

更新日期：1978-03-01 00:00:00

abstract：:Genomic meta-analysis to combine relevant and homogeneous studies has been widely applied, but the quality control (QC) and objective inclusion/exclusion criteria have been largely overlooked. Currently, the inclusion/exclusion criteria mostly depend on ad-hoc expert opinion or naïve threshold by sample size or platfo...

journal_title：Nucleic acids research

authors： Kang DD,Sibille E,Kaminski N,Tseng GC

更新日期：2012-01-01 00:00:00

abstract：:Cell differentiation is a central process in development and in cancer growth and dissemination. OCT4 (POU5F1) and NANOG are essential for cell stemness and pluripotency; yet, the mechanisms that regulate their expression remain largely unknown. Repetitive elements account for almost half of the Human Genome; still, t...

journal_title：Nucleic acids research

authors： Morales-Hernández A,González-Rico FJ,Román AC,Rico-Leo E,Alvarez-Barrientos A,Sánchez L,Macia Á,Heras SR,García-Pérez JL,Merino JM,Fernández-Salguero PM

更新日期：2016-06-02 00:00:00

abstract：:Conformations of 8-bromo-2'-[unk]-triisopropylbenzenesulfonyladenosine ([unk]) and its 3'-[unk]-isomer ([unk]) in solution have been determined by the use of intramolecular nuclear Overhauser effects in (1)H NMR spectroscopy. Compound [unk] has been proved to have a conformation in which the adenosine and benzene ring...

journal_title：Nucleic acids research

authors： Ueyama M,Tori K,Ikehara M,Kaneko M

更新日期：1974-06-01 00:00:00

abstract：:We have determined the stability of intramolecular DNA quadruplexes in which the four G(3)-tracts are connected by non-nucleosidic linkers containing propanediol, octanediol or hexaethylene glycol, replacing the TTA loops in the human telomeric repeat sequence. We find that these sequences all fold to form intramolecu...

journal_title：Nucleic acids research

authors： Risitano A,Fox KR

更新日期：2004-05-11 00:00:00

abstract：:DNA and RNA guanine-quadruplexes (G4s) are stabilized by several cations, in particular by potassium and sodium ions. Generally, potassium stabilizes guanine-quartet assemblies to a larger extent than sodium; in this article we report about a higher-order G4 structure more stable in sodium than in potassium. Repeats o...

journal_title：Nucleic acids research

authors： Saintomé C,Amrane S,Mergny JL,Alberti P

更新日期：2016-04-07 00:00:00

abstract：:The enzyme endonuclease V nicks uracil-containing DNA at the second or third phosphodiester bond 3' to uracil sites. I applied the enzyme to random fragmentation of DNA to revise the complex DNA shuffling protocol. The merit of using endonuclease V is that cleavage occurs at random sites and the length of the fragment...

journal_title：Nucleic acids research

authors： Miyazaki K

更新日期：2002-12-15 00:00:00

abstract：:The DINAMelt web server simulates the melting of one or two single-stranded nucleic acids in solution. The goal is to predict not just a melting temperature for a hybridized pair of nucleic acids, but entire equilibrium melting profiles as a function of temperature. The two molecules are not required to be complementa...

journal_title：Nucleic acids research

authors： Markham NR,Zuker M

更新日期：2005-07-01 00:00:00

abstract：:Single-stranded DNA-binding proteins (SSBs) support DNA replication by protecting single-stranded DNA from nucleolytic attack, preventing intra-strand pairing events and playing many other regulatory roles within the replisome. Recent developments in single-molecule approaches have led to a revised picture of the repl...

journal_title：Nucleic acids research

authors： Spenkelink LM,Lewis JS,Jergic S,Xu ZQ,Robinson A,Dixon NE,van Oijen AM

更新日期：2019-05-07 00:00:00

abstract：:In order to study the intragenic profiles of active transcription, we determined the relative levels of active RNA polymerase II present at the 3'- and 5'-ends of 261 yeast genes by run-on. The results obtained indicate that the 3'/5' run-on ratio varies among the genes studied by over 12 log(2) units. This ratio seem...

journal_title：Nucleic acids research

authors： Rodríguez-Gil A,García-Martínez J,Pelechano V,Muñoz-Centeno Mde L,Geli V,Pérez-Ortín JE,Chávez S

更新日期：2010-08-01 00:00:00

abstract：:A new method for specific reamplification of DDRT-PCR products is presented. After transient ligation of the primary DDRT-PCR fragments into a T-vector, the cDNAs of interest were reamplified by hemi-nested PCR and thermally asymmetric cycles. In contrast to the originally described protocol, this method of reamplific...

journal_title：Nucleic acids research

authors： Bonnet S,Prévot G,Bourgouin C

更新日期：1998-02-15 00:00:00

abstract：:ymf39 is a conserved hypothetical protein-coding gene found in mitochondrial genomes of land plants and certain protists. We speculated earlier, based on a weak sequence similarity between Ymf39 from a green alga and the atpF gene product from Bradyrhizobium, that ymf39 might code for subunit b of mitochondrial F(0)F(...

journal_title：Nucleic acids research

authors： Burger G,Lang BF,Braun HP,Marx S

更新日期：2003-05-01 00:00:00

abstract：:The high similarity of tunicates and vertebrates during their development coupled with the transparency of tunicate larvae, their well-studied cell lineages and the availability of simple and efficient transgenesis methods makes of this subphylum an ideal system for the investigation of vertebrate physiological and de...

journal_title：Nucleic acids research

authors： Sierro N,Kusakabe T,Park KJ,Yamashita R,Kinoshita K,Nakai K

更新日期：2006-01-01 00:00:00

abstract：:The complete nucleotide sequence of the mitochondrial DNA of the amphioxus Branchiostoma lanceolatum has been determined. This mitochondrial genome is small (15 076 bp) because of the short size of the two rRNA genes and the tRNA genes. In addition, this genome contains a very short non-coding region (57 bp) with no s...

journal_title：Nucleic acids research

authors： Spruyt N,Delarbre C,Gachelin G,Laudet V

更新日期：1998-07-01 00:00:00

abstract：:Several authors have suggested or inferred that modest changes in microRNA expression can potentiate or impinge on their capacity to mediate gene repression, and that doing so could play a significant role in diseases. Such interpretations are based on several assumptions, namely: (i) changes in microRNA expression co...

journal_title：Nucleic acids research

authors： Mayya VK,Duchaine TF

更新日期：2015-09-03 00:00:00

abstract：:We report the first isolation and characterisation of a human Ig V lambda gene. The gene was isolated from a recombinant phage library of human chromosome 22 using a mouse Ig lambda cDNA as probe. DNA sequence analysis predicts a short leader peptide interrupted by an intron of 88 nucleotides, and a mature polypeptide...

journal_title：Nucleic acids research

authors： Anderson ML,Szajnert MF,Kaplan JC,McColl L,Young BD

更新日期：1984-09-11 00:00:00

abstract：:Previous work has demonstrated that the yeast SPT3 gene is required for transcription from delta sequences, the long terminal repeats that flank yeast Ty elements. In spt3 null mutants, transcription fails to initiate in delta sequences and instead initiates farther downstream. Null mutations in SPT3 cause other mutan...

journal_title：Nucleic acids research

authors： Winston F,Minehart PL

更新日期：1986-09-11 00:00:00

abstract：:The gene for the thymidine kinase (TK) of Herpes simplex virus type 1 (HSV-1) is located in the KpnI m and BamHI p fragments of the genome (Wigler et al., Cell 11, 223-232 (1977)). These fragments have been inserted into the EcoRI and BamHI sites, respectively, of plasmid pBR322, and propagated in E.coli. The TK gene ...

journal_title：Nucleic acids research

authors： Wilkie NM,Clements JB,Boll W,Mantei N,Lonsdale D,Weissmann C

更新日期：1979-10-25 00:00:00

abstract：:Aberrant CpG methylation changes occurring during tumour progression include the loss (hypomethylation) and gain (hypermethylation) of methyl groups. Techniques currently available for examining such changes either require selection of a region, then examination of methylation changes, or utilise methylation-sensitive...

journal_title：Nucleic acids research

authors： Brock GJ,Huang TH,Chen CM,Johnson KJ

更新日期：2001-12-15 00:00:00

abstract：:This review takes a second look at a set of mRNAs that purportedly employ an alternative mechanism of initiation when cap-dependent translation is reduced during mitosis or stress conditions. A closer look is necessary because evidence cited in support of the internal initiation hypothesis is often flawed. When putati...

journal_title：Nucleic acids research

authors： Kozak M

更新日期：2005-11-28 00:00:00

abstract：:The sarcomeric myosin gene, Myh7b, encodes an intronic microRNA, miR-499, which regulates cardiac and skeletal muscle biology, yet little is known about its transcriptional regulation. To identify the transcription factors involved in regulating Myh7b/miR-499 gene expression, we have mapped the transcriptional start s...

journal_title：Nucleic acids research

authors： Yeung F,Chung E,Guess MG,Bell ML,Leinwand LA

更新日期：2012-08-01 00:00:00

abstract：:Transgenic mice have proven to be an effective expression system for studying developmental control of the human fetal and adult beta-globin genes. In the current work we are interested in developing the transgenic mouse system for the study of the human embryonic beta-globin gene, epsilon. An epsilon-globin gene cons...

journal_title：Nucleic acids research

authors： Shih DM,Wall RJ,Shapiro SG

更新日期：1990-09-25 00:00:00

abstract：:This is the first report of a complete mitochondrial genome sequence from a photosynthetic member of the stramenopiles, the chrysophyte alga Chrysodidymus synuroideus. The circular-mapping mitochondrial DNA (mtDNA) of 34 119 bp contains 58 densely packed genes (all without introns) and five unique open reading frames ...

journal_title：Nucleic acids research

authors： Chesnick JM,Goff M,Graham J,Ocampo C,Lang BF,Seif E,Burger G

更新日期：2000-07-01 00:00:00

abstract：:As an increasing number of reliable protein-protein interactions (PPIs) become available and high-throughput experimental methods provide systematic identification of PPIs, there is a growing need for fast and accurate methods for discovering homologous PPIs of a newly determined PPI. PPISearch is a web server that ra...

journal_title：Nucleic acids research

authors： Chen CC,Lin CY,Lo YS,Yang JM

更新日期：2009-07-01 00:00:00

abstract：:We describe an interactive computer program (ANALYSEQ) that is used from a simple graphics terminal. The main purpose of the program is to determine the function of nucleic acid sequences but it also offers the simpler listing, searching and counting options. It contains methods to locate genes by looking for the effe...

journal_title：Nucleic acids research

authors： Staden R

更新日期：1984-01-11 00:00:00