Sequence-specific interactions of Rep proteins with ssDNA in the AT-rich region of the plasmid replication origin.

abstract：:The transcription of ribosomal genes in a cell line (Kc) derived from female D.melanogaster, has been investigated using hybridization probes prepared from restriction fragments of a cloned rDNA repeat with a 5 kb type I [Wellauer et al. (1978) Cell 14, 269-278] intron. Gels, of nuclear RNA that have been transferred ...

journal_title：Nucleic acids research

authors： Jolly DJ,Thomas CA Jr

更新日期：1980-01-11 00:00:00

abstract：:The transcription factor Sox5 has previously been shown in chicken to be expressed in early neural crest cells and neural crest-derived peripheral glia. Here, we show in mouse that Sox5 expression also continues after neural crest specification in the melanocyte lineage. Despite its continued expression, Sox5 has litt...

journal_title：Nucleic acids research

authors： Stolt CC,Lommes P,Hillgärtner S,Wegner M

更新日期：2008-10-01 00:00:00

abstract：:MicroRNAs are small non-coding RNAs that modulate gene expression at post-transcriptional level, playing a crucial role in cell differentiation and development. Recently, some reports have shown that a limited number of mammalian microRNAs are also involved in anti-viral defense. In this study, the analysis of the hep...

journal_title：Nucleic acids research

authors： Potenza N,Papa U,Mosca N,Zerbini F,Nobile V,Russo A

更新日期：2011-07-01 00:00:00

abstract：:In order to study the effects of DNA structure on cellular processes such as transcription, we have made a series of plasmids that locate several different kinds of DNA structure (stiff, flexible or curved) near the sites of cleavage by commonly-used restriction enzymes. One can use these plasmids to place any DNA reg...

journal_title：Nucleic acids research

authors： Collis CM,Molloy PL,Both GW,Drew HR

更新日期：1989-11-25 00:00:00

abstract：:Bacteria core RNA polymerase (RNAP) must associate with a sigma factor to recognize promoter sequences. Promoters recognized by the sigma(54) (or sigma(N)) associated RNA polymerase are unique in having conserved positions around -24 and -12 nucleotides upstream from the transcriptional start site. Using DNA microarra...

journal_title：Nucleic acids research

authors： Zhao K,Liu M,Burgess RR

更新日期：2010-03-01 00:00:00

abstract：:The interpretation of data-driven experiments in genomics often involves a search for biological categories that are enriched for the responder genes identified by the experiments. However, knowledge bases such as the Gene Ontology (GO) contain hundreds or thousands of categories with very high overlap between categor...

journal_title：Nucleic acids research

authors： Bauer S,Gagneur J,Robinson PN

更新日期：2010-06-01 00:00:00

abstract：:A 14 kb maize DNA fragment carrying nuclear rRNA genes and spacer regions was isolated and characterised by restriction enzyme mapping. A complete 3020 bp long external spacer region was sequenced and revealed 9 tandemly arranged 200 bp long repeat units with high homology. The repeat units lie upstream from two promi...

journal_title：Nucleic acids research

authors： Toloczyki C,Feix G

更新日期：1986-06-25 00:00:00

abstract：:The selective and potent inhibition of mitochondrial translation in Saccharomyces cerevisiae by pentamidine suggests a novel antimicrobial action for this drug. Electrophoresis mobility shift assay, T1 ribonuclease footprinting, hydroxyl radical footprinting and isothermal titration calorimetry collectively demonstrat...

journal_title：Nucleic acids research

authors： Sun T,Zhang Y

更新日期：2008-03-01 00:00:00

abstract：:In this report, we provide an update on the services and content which are available on the web server of IBM's Bioinformatics and Pattern Discovery group. The server, which is operational around the clock, provides access to a large number of methods that have been developed and published by the group's members. Ther...

journal_title：Nucleic acids research

authors： Huynh T,Rigoutsos I

更新日期：2004-07-01 00:00:00

abstract：:The identification and characterization of binding sites of DNA-binding molecules, including transcription factors (TFs), is a critical problem at the interface of chemistry, biology and molecular medicine. The Cognate Site Identification (CSI) array is a high-throughput microarray platform for measuring comprehensive...

journal_title：Nucleic acids research

authors： Keleş S,Warren CL,Carlson CD,Ansari AZ

更新日期：2008-06-01 00:00:00

abstract：:According to the recruitment model of transcriptional activation, an activator helps initiate transcription by bringing the RNA polymerase to a specific location on the DNA through interaction with components of the transcriptional machinery. However, it is difficult to isolate and define the activities of specific ac...

journal_title：Nucleic acids research

authors： Wang S,Shepard JR,Shi H

更新日期：2010-04-01 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：:The gene for the small subunit of human calcium-activated neutral protease was isolated and sequenced. It is 11 kb long and comprises 11 exons. No TATA or CAT box was found upstream of the possible transcription initiation sites, but there are three so-called G-C box sequences and one G-C box-like sequence, which are ...

journal_title：Nucleic acids research

authors： Miyake S,Emori Y,Suzuki K

更新日期：1986-11-25 00:00:00

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：:Post-transcriptional gene regulation is mediated through complex networks of protein-RNA interactions. The targets of only a few RNA binding proteins (RBPs) are known, even in the well-characterized budding yeast. In silico prediction of protein-RNA interactions is therefore useful to guide experiments and to provide ...

journal_title：Nucleic acids research

authors： Pancaldi V,Bähler J

更新日期：2011-08-01 00:00:00

abstract：:The transcriptional activity of a human transposon-like family of repeats, called the THE-1 family, has been studied in cell culture and in human tissue. Both strands of THE-1 are present in several discrete length poly A plus RNAs. Primer extension studies and the structures of cDNA clones show that these THE-1 trans...

journal_title：Nucleic acids research

authors： Paulson KE,Matera AG,Deka N,Schmid CW

更新日期：1987-07-10 00:00:00

abstract：:The high-mobility-group A2 protein (HMGA2) plays important functional roles in transcriptional regulation, DNA replication and chromatin structure. In this study, the effect of histone deacetylase inhibition on the transcriptional activity of the Hmga2 gene was investigated in vivo both at the endogenous gene level an...

journal_title：Nucleic acids research

authors： Ferguson M,Henry PA,Currie RA

更新日期：2003-06-15 00:00:00

abstract：:Telomeres play a central role in human cancer, cardiovascular aging and possibly longevity. However, present methods to measure telomere length are fraught with shortcomings that limit their use. Here, we describe a novel method to measure the relative telomere DNA content by dot blot analysis. In each dot, the DNA co...

journal_title：Nucleic acids research

authors： Kimura M,Aviv A

更新日期：2011-07-01 00:00:00

abstract：:Analysis of the human VK (ref. 2) gene locus led to the detection of a new sequence family (L sequences). Its copy number is in the range of 10(2). The L sequences, which are about 500 bp long, are found as part of the 3' flanking regions of a clustered set of human VKI genes but they occur also separate from the gene...

journal_title：Nucleic acids research

authors： Straubinger B,Pech M,Mühlebach K,Jaenichen HR,Bauer HG,Zachau HG

更新日期：1984-07-11 00:00:00

abstract：:Ionizing radiation induces clustered DNA damage, which presents a challenge to the cellular repair machinery. The repair efficiency of a single-strand break (SSB) is approximately 4x less than that for repair of an abasic (AP) site when in a bistranded cluster containing 8-oxoG. To explore whether this difference in r...

journal_title：Nucleic acids research

authors： Mourgues S,Lomax ME,O'Neill P

更新日期：2007-01-01 00:00:00

abstract：:Mammalian mitochondrial ribosomes evolved from bacterial ribosomes by reduction of ribosomal RNAs, increase of ribosomal protein content, and loss of guanine nucleotides. Guanine is the base most sensitive to oxidative damage. By systematically comparing high-quality, small ribosomal subunit RNA sequence alignments an...

journal_title：Nucleic acids research

authors： Hosseini M,Roy P,Sissler M,Zirbel CL,Westhof E,Leontis N

更新日期：2018-11-16 00:00:00

abstract：:Novel techniques for high-throughput steady-state metabolomic profiling yield information about changes of nearly thousands of metabolites. Such metabolomic profiles, when analyzed together with transcriptional profiles, can reveal novel insights about underlying biological processes. While a number of conceptual appr...

journal_title：Nucleic acids research

authors： Sergushichev AA,Loboda AA,Jha AK,Vincent EE,Driggers EM,Jones RG,Pearce EJ,Artyomov MN

更新日期：2016-07-08 00:00:00

abstract：:Allele-specific DNA methylation, histone acetylation and histone methylation are recognized as epigenetic characteristics of imprinted genes and imprinting centers (ICs). These epigenetic modifications are also used to regulate tissue-specific gene expression. Epigenetic differences between alleles can be significant ...

journal_title：Nucleic acids research

authors： Lau JC,Hanel ML,Wevrick R

更新日期：2004-06-24 00:00:00

abstract：:The InParanoid eukaryotic ortholog database (http://InParanoid.sbc.su.se/) has been updated to version 6 and is now based on 35 species. We collected all available 'complete' eukaryotic proteomes and Escherichia coli, and calculated ortholog groups for all 595 species pairs using the InParanoid program. This resulted ...

journal_title：Nucleic acids research

authors： Berglund AC,Sjölund E,Ostlund G,Sonnhammer EL

更新日期：2008-01-01 00:00:00

abstract：:Since its conception in 1992, differential display PCR (DD-PCR) has attracted widespread interest. Theoretically an attractive cloning approach, it combines the comparative analysis of several samples with the sensitivity of PCR. Although a large number of studies embracing this technology have been initiated, few nov...

journal_title：Nucleic acids research

authors： Graf D,Fisher AG,Merkenschlager M

更新日期：1997-06-01 00:00:00

abstract：:A 200 bp sequence including a stretch of 54 base pairs of alternating guanosine and adenosine nucleotide residues [(dG-dA)27.(dT-dC)27] was cloned in the simian virus 40 (SV40) genome between the KpnI and HpaII sites. This sequence was discovered earlier as part of a region limiting the amplification of sequences adja...

journal_title：Nucleic acids research

authors： Rao BS,Manor H,Martin RG

更新日期：1988-08-25 00:00:00

abstract：:We have sequenced mouse tRNA genes from two recombinant lambda phage. An 1800 bp sequence from one phage contains 3 tRNA genes, potentially encoding tRNAAsp, tRNAGly, and tRNAGlu, separated by spacer sequences of 587 bp and 436 bp, respectively. The mouse tRNA gene cluster is homologous to a rat sequence (Sekiya et al...

journal_title：Nucleic acids research

authors： Looney JE,Harding JD

更新日期：1983-12-20 00:00:00

abstract：:Our database on large ribosomal subunit RNA contained 334 sequences in July, 1995. All sequences in the database are aligned, taking into account secondary structure. The aligned sequences are provided, together with incorporated secondary structure information, in several computer-readable formats. These data can eas...

journal_title：Nucleic acids research

authors： De Rijk P,Van de Peer Y,De Wachter R

更新日期：1996-01-01 00:00:00

abstract：:Rad54 protein is a key member of the RAD52 epistasis group required for homologous recombination in eukaryotes. Rad54 is a duplex DNA translocase that remodels both DNA and protein-DNA complexes, and functions at multiple steps in the recombination process. Here we use biochemical criteria to demonstrate the existence...

journal_title：Nucleic acids research

authors： Haseltine CA,Kowalczykowski SC

更新日期：2009-05-01 00:00:00

abstract：:A vector system is presented that allows generation of E. coli co-expression clones by a standardized, robust cloning procedure. The number of co-expressed proteins is not limited. Five 'pQLink' vectors for expression of His-tag and GST-tag fusion proteins as well as untagged proteins and for cloning by restriction en...

journal_title：Nucleic acids research

authors： Scheich C,Kümmel D,Soumailakakis D,Heinemann U,Büssow K

更新日期：2007-01-01 00:00:00