Quantitation of supercoiled circular content in plasmid DNA solutions using a fluorescence-based method.

abstract：:Rapidly evolving pathogens cause a diverse array of diseases and epidemics that threaten crop yield, food security as well as human, animal and ecosystem health. To combat infection greater comparative knowledge is required on the pathogenic process in multiple species. The Pathogen-Host Interactions database (PHI-bas...

journal_title：Nucleic acids research

authors： Urban M,Pant R,Raghunath A,Irvine AG,Pedro H,Hammond-Kosack KE

更新日期：2015-01-01 00:00:00

abstract：:We have cloned and mapped the sequences extending 38 kb 3' of the c-myc gene. This region is found to be highly repetitive in nature and hybridizes extensively with a BLUR 8 Alu probe. Unique sequence probes derived from this region were used to map the chromosomal breakpoints of a number of lymphoma cell lines with t...

journal_title：Nucleic acids research

authors： Sun LK,Showe LC,Croce CM

更新日期：1986-05-27 00:00:00

abstract：:Characterization of the epigenetic status of individual cells remains a challenge. Current sequencing approaches have limited coverage, and it is difficult to assign an epigenetic status to the transcription state of individual gene alleles in the same cell. To address these limitations, a targeted microscopy-based ep...

journal_title：Nucleic acids research

authors： Kint S,Van Criekinge W,Vandekerckhove L,De Vos WH,Bomsztyk K,Krause DS,Denisenko O

更新日期：2021-01-28 00:00:00

abstract：:Reversion of T type cytoplasmic male sterility (cmsT) to fertility is correlated with sequence changes in a 1.5 kb AvaI fragment. This 1.5 kb AvaI fragment is composed of 5' flanking sequences of ATPase subunit 6, one complete open reading frame (ORF 13) and part of the another (ORF 25). The sequence of the 1.5 kb Ava...

journal_title：Nucleic acids research

authors： Qin J,Fauron CM,Brettell RI,Milhous M,Abbott AG

更新日期：1987-08-11 00:00:00

abstract：:Next-generation sequencing technologies have made it possible to carry out transcriptome analysis at the single-cell level. Single-cell RNA-sequencing (scRNA-seq) data provide insights into cellular dynamics, including intercellular heterogeneity as well as inter- and intra-cellular fluctuations in gene expression tha...

journal_title：Nucleic acids research

authors： Kubo M,Nishiyama T,Tamada Y,Sano R,Ishikawa M,Murata T,Imai A,Lang D,Demura T,Reski R,Hasebe M

更新日期：2019-05-21 00:00:00

abstract：:To enhance our knowledge regarding biological pathway regulation, we took an integrated approach, using the biomedical literature, ontologies, network analyses and experimental investigation to infer novel genes that could modulate biological pathways. We first constructed a novel gene network via a pairwise compariso...

journal_title：Nucleic acids research

authors： Qin T,Matmati N,Tsoi LC,Mohanty BK,Gao N,Tang J,Lawson AB,Hannun YA,Zheng WJ

更新日期：2014-10-01 00:00:00

abstract：:Gene expression circuitries, which enable cells to detect precise levels within a morphogen concentration gradient, have a pivotal impact on biological processes such as embryonic pattern formation, paracrine and autocrine signalling, and cellular migration. We present the rational synthesis of a synthetic genetic cir...

journal_title：Nucleic acids research

authors： Greber D,Fussenegger M

更新日期：2010-10-01 00:00:00

abstract：:A segment of 1160 nucleotides of the FMDV genome has been sequenced using three overlapping fragments of cloned cDNA from FMDV strain O1K. This sequence contains the coding sequence for the viral capsid protein VP1 as shown by its homology to known and newly determined amino acid sequences from this man antigenic poly...

journal_title：Nucleic acids research

authors： Kurz C,Forss S,Küpper H,Strohmaier K,Schaller H

更新日期：1981-04-24 00:00:00

abstract：:By in vivo DMS footprint and reporter gene analyses we identified two transcription factor binding sites in the human c-sis/PDGF B gene promoter. The low basal activity of the PDGF B promoter in HeLa and undifferentiated K562 cells, which express low PDGF B mRNA levels, and in PC3 cells, which express a high PDGF B mR...

journal_title：Nucleic acids research

authors： Dirks RP,Jansen HJ,van Gerven B,Onnekink C,Bloemers HP

更新日期：1995-04-11 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：: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：:Oligonucleotide models of ribosomal RNA domains are powerful tools to study the binding and molecular recognition of antibiotics that interfere with bacterial translation. Techniques such as selective chemical modification, fluorescence labeling and mutations are cumbersome for the whole ribosome but readily applicabl...

journal_title：Nucleic acids research

authors： Dibrov SM,Parsons J,Hermann T

更新日期：2010-07-01 00:00:00

abstract：:The Genomes Online Database (GOLD) (https://gold.jgi.doe.gov) is an open online resource, which maintains an up-to-date catalog of genome and metagenome projects in the context of a comprehensive list of associated metadata. Information in GOLD is organized into four levels: Study, Biosample/Organism, Sequencing Proje...

journal_title：Nucleic acids research

authors： Mukherjee S,Stamatis D,Bertsch J,Ovchinnikova G,Katta HY,Mojica A,Chen IA,Kyrpides NC,Reddy T

更新日期：2019-01-08 00:00:00

abstract：:Pig Genomic Information System (PigGIS) is a web-based depository of pig (Sus scrofa) genomic learning mainly engineered for biomedical research to locate pig genes from their human homologs and position single nucleotide polymorphisms (SNPs) in different pig populations. It utilizes a variety of sequence data, includ...

journal_title：Nucleic acids research

authors： Ruan J,Guo Y,Li H,Hu Y,Song F,Huang X,Kristiensen K,Bolund L,Wang J

更新日期：2007-01-01 00:00:00

abstract：:By introduction of recombinant plasmids into monkey CV1 cells, we have unambiguously demonstrated that sequences entirely within the 72 bp repeat, which is located upstream of the SV40 early region, are crucial for T-antigen expression in vivo. We have also shown that a DNA fragment containing the 72 bp repeat, insert...

journal_title：Nucleic acids research

authors： Moreau P,Hen R,Wasylyk B,Everett R,Gaub MP,Chambon P

更新日期：1981-11-25 00:00:00

abstract：:Bacteriophage Mu has one of the best studied, most efficient and largest transposition machineries of the prokaryotic world. To harness this attractive integration machinery for use in mammalian cells, we cloned the coding sequences of the phage factors MuA and MuB in a eukaryotic expression cassette and fused them to...

journal_title：Nucleic acids research

authors： Schagen FH,Rademaker HJ,Cramer SJ,van Ormondt H,van der Eb AJ,van de Putte P,Hoeben RC

更新日期：2000-12-01 00:00:00

abstract：:Recognizing the methylation status of specific DNA sequences is central to the function of many systems in eukaryotes and prokaryotes. Restriction-modification systems have to distinguish between 'self' and 'non-self' DNA and depend on the inability of restriction endonucleases to cleave their DNA substrates when the ...

journal_title：Nucleic acids research

authors： Rice MR,Blumenthal RM

更新日期：2000-08-15 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：:Topoisomerases (topos) maintain DNA topology and influence DNA transaction processes by catalysing relaxation, supercoiling and decatenation reactions. In the cellular milieu, division of labour between different topos ensures topological homeostasis and control of central processes. In Escherichia coli, DNA gyrase is...

journal_title：Nucleic acids research

authors： Kumar R,Riley JE,Parry D,Bates AD,Nagaraja V

更新日期：2012-11-01 00:00:00

abstract：:Contrary to the expectation, the Merrifield polystyrene resin, 2% cross-linked by divinylbenzene, is as efficient as the polyacrylmorpholide resin for the synthesis of polydeoxyribonucleotides using a phosphotriester method. On the Merrifield resin, the tetradecamer, dTpCpGpTpCpApApCpTpGpGpCpTpT, and the hexadecamer, ...

journal_title：Nucleic acids research

authors： Miyoshi K,Arentzen R,Huang T,Itakura K

更新日期：1980-11-25 00:00:00

abstract：:Virtually the whole region of the mobile dispersed genetic element mdg1 including the direct repeats that frame mdg1 /1/ is transcribed. The end of the transcriptional unit is located within the direct repeat. Although the transcription of mdg1 is symmetric, one direction is transcribed preferentially and is a full-le...

journal_title：Nucleic acids research

authors： Ilyin Y,Chmeliauskaite VG,Kulguskin VV,Georgiev GP

更新日期：1980-11-25 00:00:00

abstract：:Using a bio-oligo pull-down DNA-binding assay we investigated the binding capacity of endogenous, DNA damage-induced p53 in human diploid fibroblasts to several p53-responsive elements (REs) present in p53-regulated genes. During the course of p53 accumulation, we observed a decrease in p53 binding to the GADD45 but n...

journal_title：Nucleic acids research

authors： Buzek J,Latonen L,Kurki S,Peltonen K,Laiho M

更新日期：2002-06-01 00:00:00

abstract：:Functional crosstalk between histone modifications and chromatin remodeling has emerged as a key regulatory mode of transcriptional control during cell fate decisions, but the underlying mechanisms are not fully understood. Here we discover an HRP2-DPF3a-BAF epigenetic pathway that coordinates methylated histone H3 ly...

journal_title：Nucleic acids research

authors： Zhu X,Lan B,Yi X,He C,Dang L,Zhou X,Lu Y,Sun Y,Liu Z,Bai X,Zhang K,Li B,Li MJ,Chen Y,Zhang L

更新日期：2020-07-09 00:00:00

abstract：:OrthoDB is a comprehensive catalog of orthologs, genes inherited by extant species from a single gene in their last common ancestor. In 2016 OrthoDB reached its 9th release, growing to over 22 million genes from over 5000 species, now adding plants, archaea and viruses. In this update we focused on usability of this f...

journal_title：Nucleic acids research

authors： Zdobnov EM,Tegenfeldt F,Kuznetsov D,Waterhouse RM,Simão FA,Ioannidis P,Seppey M,Loetscher A,Kriventseva EV

更新日期：2017-01-04 00:00:00

abstract：:MicroRNAs are small (approximately 22 nt) RNAs that regulate gene expression and play important roles in both normal and disease physiology. The use of microarrays for global characterization of microRNA expression is becoming increasingly popular and has the potential to be a widely used and valuable research tool. H...

journal_title：Nucleic acids research

authors： Sarkar D,Parkin R,Wyman S,Bendoraite A,Sather C,Delrow J,Godwin AK,Drescher C,Huber W,Gentleman R,Tewari M

更新日期：2009-02-01 00:00:00

abstract：:The cellular response to DNA double-strand breaks (DSBs) is initiated by the Mre11-Rad50-Xrs2 (MRX) complex that has structural and catalytic functions. MRX association at DSBs is counteracted by Rif2, which is known to interact with Rap1 that binds telomeric DNA through two tandem Myb-like domains. Whether and how Ra...

journal_title：Nucleic acids research

authors： Bonetti D,Rinaldi C,Vertemara J,Notaro M,Pizzul P,Tisi R,Zampella G,Longhese MP

更新日期：2020-03-18 00:00:00

abstract：:Camptothecin (CPT), a plant alkaloid with antitumor activity, is a specific inhibitor of eukaryotic DNA topoisomerase I. We have previously isolated and characterized a CPT-resistant topoisomerase I isolated from a CPT-resistant human leukemia cell line, CPT-K5. cDNA clones of topoisomerase I were isolated from the CP...

journal_title：Nucleic acids research

authors： Tamura H,Kohchi C,Yamada R,Ikeda T,Koiwai O,Patterson E,Keene JD,Okada K,Kjeldsen E,Nishikawa K

更新日期：1991-01-11 00:00:00

abstract：:Quantitative real-time PCR has revolutionized many aspects of genetic research, biomedical diagnostics and pathogen detection. Nevertheless, the full potential of this technology has yet to be realized, primarily due to the limitations of the threshold-based methodologies that are currently used for quantitative analy...

journal_title：Nucleic acids research

authors： Rutledge RG

更新日期：2004-12-15 00:00:00

abstract：:Modification of cytosine plays an important role in epigenetic regulation of gene expression and genome stability. Cytosine is converted to 5-methylcytosine (5mC) by DNA methyltransferase; in turn, 5mC may be oxidized to 5-hydroxymethylcytosine (5hmC) by ten-eleven translocation enzyme. The structural flexibility of D...

journal_title：Nucleic acids research

authors： Furukawa A,Walinda E,Arita K,Sugase K

更新日期：2021-01-25 00:00:00

abstract：:DNA molecules with covalently sealed (hairpin) ends are probable intermediates in V(D)J recombination. According to current models hairpin ends are opened to produce short single-stranded extensions that are thought to be precursors of a particular type of extra nucleotides, termed P nucleotides, which are frequently ...

journal_title：Nucleic acids research

authors： Kabotyanski EB,Zhu C,Kallick DA,Roth DB

更新日期：1995-10-11 00:00:00