Genomic organization of the human thyroid hormone receptor alpha (c-erbA-1) gene.

abstract：:Sequential chromatin immunoprecipitation (SeqChIP) is a procedure in which formaldehyde-crosslinked, protein-DNA complexes from living cells are subjected to two sequential immunoprecipitations with antibodies of different specificity. SeqChIP has been used to address, in a qualitative manner, whether two proteins can...

journal_title：Nucleic acids research

authors： Geisberg JV,Struhl K

更新日期：2004-11-01 00:00:00

abstract：:DNA glycosylases from the Fpg/Nei structural superfamily are base excision repair enzymes involved in the removal of a wide variety of mutagen and potentially lethal oxidized purines and pyrimidines. Although involved in genome stability, the recent discovery of synthetic lethal relationships between DNA glycosylases ...

journal_title：Nucleic acids research

authors： Biela A,Coste F,Culard F,Guerin M,Goffinont S,Gasteiger K,Cieśla J,Winczura A,Kazimierczuk Z,Gasparutto D,Carell T,Tudek B,Castaing B

更新日期：2014-01-01 00:00:00

abstract：:A set of new sulfurizing agents representing disulfides of arylsulfonic acids has been developed for the automated synthesis of phosphorothioate oligonucleotide analogues via the phosphoramidite method. These reagents, such as bis(benzenesulfonyl)disulfide, bis(p-toluenesulfonyl)disulfide, bis(p-methoxybenzensulfonyl)...

journal_title：Nucleic acids research

authors： Efimov VA,Kalinkina AL,Chakhmakhcheva OG,Hill TS,Jayaraman K

更新日期：1995-10-25 00:00:00

abstract：:Three novel DNA-binding proteins with apparent molecular masses of 7, 10 and 30 kDa have been isolated from the hyperthermophilic methanogen Methanopyrus kandleri. The proteins were identified using a blot overlay assay that was modified to emulate the high ionic strength intracellular environment of M.kandleri protei...

journal_title：Nucleic acids research

authors： Pavlov NA,Cherny DI,Nazimov IV,Slesarev AI,Subramaniam V

更新日期：2002-02-01 00:00:00

abstract：:Transcription driven by the proviral promoter of the Human T-cell Leukemia Virus type I (HTLV-I) is tightly regulated by the Tax1 transactivator. This viral protein potently induces the enhancer activity of a 21 bp motif repeated three times in the promoter. We have previously shown that this induction results from th...

journal_title：Nucleic acids research

authors： Lombard-Platet G,Jalinot P

更新日期：1993-08-25 00:00:00

abstract：:Period2 (Per2) is an essential component of the mammalian clock mechanism and robust circadian expression of Per2 is essential for the maintenance of circadian rhythms. Although recent studies have shown that the circadian E2 enhancer (a non-canonical E-box) accounts for most of the circadian transcriptional drive of ...

journal_title：Nucleic acids research

authors： Ohno T,Onishi Y,Ishida N

更新日期：2007-01-01 00:00:00

abstract：:Type IIS restriction endonuclease BtsCI (GGATG 2/0) is a neoschizomer of FokI (GGATG 9/13) and cleaves closer to the recognition sequence. Although M.BtsCI shows 62% amino acid sequence identity to M.FokI, BtsCI and FokI restriction endonucleases do not share significant amino acid sequence similarity. BtsCI belongs t...

journal_title：Nucleic acids research

authors： Too PH,Zhu Z,Chan SH,Xu SY

更新日期：2010-03-01 00:00:00

abstract：:Eukaryotic topoisomerase II (topo II) is the essential decatenase of newly replicated chromosomes and the main relaxase of nucleosomal DNA. Apart from these general tasks, topo II participates in more specialized functions. In mammals, topo IIα interacts with specific RNA polymerases and chromatin-remodeling complexes...

journal_title：Nucleic acids research

authors： Nikolaou C,Bermúdez I,Manichanh C,García-Martinez J,Guigó R,Pérez-Ortín JE,Roca J

更新日期：2013-11-01 00:00:00

abstract：:Both Streptomyces lividans and Streptomyces avermitilis encode similar systems of post-replicative DNA modification which act site-specifically on closely opposed guanines on either strand. The modifications can be detected since they react in vitro with an oxidative derivative of Tris, resulting in strand cleavage. P...

journal_title：Nucleic acids research

authors： Boybek A,Ray TD,Evans MC,Dyson PJ

更新日期：1998-07-15 00:00:00

abstract：:During replication of nuclear ribosomal DNA (rDNA), clashes with the transcription apparatus can cause replication fork collapse and genomic instability. To avoid this problem, a replication fork barrier protein is situated downstream of rDNA, there preventing replication in the direction opposite rDNA transcription. ...

journal_title：Nucleic acids research

authors： Shi Y,Posse V,Zhu X,Hyvärinen AK,Jacobs HT,Falkenberg M,Gustafsson CM

更新日期：2016-07-08 00:00:00

abstract：:DNA mismatches are highly polymorphic and dynamic in nature, albeit poorly characterized structurally. We utilized the antitumour antibiotic CoII(Chro)2 (Chro = chromomycin A3) to stabilize the palindromic duplex d(TTGGCGAA) DNA with two G:G mismatches, allowing X-ray crystallography-based monitoring of mismatch polym...

journal_title：Nucleic acids research

authors： Satange R,Chuang CY,Neidle S,Hou MH

更新日期：2019-09-19 00:00:00

abstract：UNLABELLED:The PubMed® database of biomedical citations allows the retrieval of scientific articles studying the function of chemicals in biology and medicine. Mining millions of available citations to search reported associations between chemicals and topics of interest would require substantial human time. We have im...

journal_title：Nucleic acids research

authors： Gijón-Correas JA,Andrade-Navarro MA,Fontaine JF

更新日期：2014-07-01 00:00:00

abstract：:The evolution of regulatory networks in Bacteria has largely been explained at macroevolutionary scales through lateral gene transfer and gene duplication. Transcription factors (TF) have been found to be less conserved across species than their target genes (TG). This would be expected if TFs accumulate mutations fas...

journal_title：Nucleic acids research

authors： Ali F,Seshasayee ASN

更新日期：2020-05-07 00:00:00

abstract：:We have isolated the gene coding for the U2 analogue in trypanosomes. The 148 nucleotide long U2 RNA is capped and transcribed from a single copy gene. The 5' half of the molecule is highly homologous to mammalian U2 RNA, while the 3' half does not show any significant sequence homology with the mammalian counterpart....

journal_title：Nucleic acids research

authors： Tschudi C,Richards FF,Ullu E

更新日期：1986-11-25 00:00:00

abstract：:The discovery of hydroxymethyl-, formyl- and carboxylcytosine, generated through oxidation of methylcytosine by TET dioxygenases, raised the question how these modifications contribute to epigenetic regulation. As they are subjected to complex regulation in vivo, we dissected links to gene expression with in vitro mod...

journal_title：Nucleic acids research

authors： Müller U,Bauer C,Siegl M,Rottach A,Leonhardt H

更新日期：2014-07-01 00:00:00

abstract：:Myotonic dystrophy type 1 (DM1) is an autosomal dominant multisystemic disorder caused by expansion of CTG triplet repeats in 3'-untranslated region of DMPK gene. The pathomechanism of DM1 is driven by accumulation of toxic transcripts containing expanded CUG repeats (CUG(exp)) in nuclear foci which sequester several ...

journal_title：Nucleic acids research

authors： Wojtkowiak-Szlachcic A,Taylor K,Stepniak-Konieczna E,Sznajder LJ,Mykowska A,Sroka J,Thornton CA,Sobczak K

更新日期：2015-03-31 00:00:00

abstract：:Loop-loop tertiary interactions play a key role in the folding and catalytic activity of natural hammerhead ribozymes. Using a combination of NMR spectroscopy, site-directed mutagenesis and kinetic and infectivity analyses, we have examined the structure and function of loops 1 and 2 of the (+) and (-) hammerheads of ...

journal_title：Nucleic acids research

authors： Dufour D,de la Peña M,Gago S,Flores R,Gallego J

更新日期：2009-02-01 00:00:00

abstract：:The circadian clock comprises transcriptional feedback loops of clock genes. Cryptochromes are essential components of the negative feedback loop in mammals as they inhibit CLOCK-BMAL1-mediated transcription. We purified mouse CRY1 (mCRY1) protein complexes from Sarcoma 180 cells to determine their roles in circadian ...

journal_title：Nucleic acids research

authors： Hara Y,Onishi Y,Oishi K,Miyazaki K,Fukamizu A,Ishida N

更新日期：2009-03-01 00:00:00

abstract：:Archival formalin-fixed, paraffin-embedded and ethanol-fixed tissues represent a potentially invaluable resource for gene expression analysis, as they are the most widely available material for studies of human disease. Little data are available evaluating whether RNA obtained from fixed (archival) tissues could produ...

journal_title：Nucleic acids research

authors： Karsten SL,Van Deerlin VM,Sabatti C,Gill LH,Geschwind DH

更新日期：2002-01-15 00:00:00

abstract：:We have analyzed the molecular mechanism that makes translation of the MS2 replicase cistron dependent on the translation of the upstream coat cistron. Deletion mapping on cloned cDNA of the phage shows that the ribosomal binding site of the replicase cistron is masked by a long distance basepairing to an internal coa...

journal_title：Nucleic acids research

authors： Berkhout B,van Duin J

更新日期：1985-10-11 00:00:00

abstract：:Transcriptomics (at the level of single cells, tissues and/or whole organisms) underpins many fields of biomedical science, from understanding the basic cellular function in model organisms, to the elucidation of the biological events that govern the development and progression of human diseases, and the exploration o...

journal_title：Nucleic acids research

authors： Cantacessi C,Jex AR,Hall RS,Young ND,Campbell BE,Joachim A,Nolan MJ,Abubucker S,Sternberg PW,Ranganathan S,Mitreva M,Gasser RB

更新日期：2010-09-01 00:00:00

abstract：:The chromatin structure of a germ-line specific gene, the TPG-3 gene, one of the rainbow trout protamine genes was analyzed in various tissues. The protamine genes are expressed in early stage testis but not in late stage testis, liver or erythrocyte. Five potential CpG methylation sites in the coding and flanking reg...

journal_title：Nucleic acids research

authors： Delcuve GP,Davie JR

更新日期：1987-04-24 00:00:00

abstract：:HotSpot Wizard is a web server used for the automated identification of hotspots in semi-rational protein design to give improved protein stability, catalytic activity, substrate specificity and enantioselectivity. Since there are three orders of magnitude fewer protein structures than sequences in bioinformatic datab...

journal_title：Nucleic acids research

authors： Sumbalova L,Stourac J,Martinek T,Bednar D,Damborsky J

更新日期：2018-07-02 00:00:00

abstract：:Cyclic AMP response element binding protein (CREB) activates transcription of cAMP response element (CRE)-containing promoters following an elevation of intracellular cAMP. Here we show that CREB and the highly related protein ATF-1 are also potent transcription inhibitors. Strikingly, CREB inhibits transcription of m...

journal_title：Nucleic acids research

authors： Lemaigre FP,Ace CI,Green MR

更新日期：1993-06-25 00:00:00

abstract：:The specific function of RNA molecules frequently resides in their seemingly unstructured loop regions. We performed a systematic analysis of RNA loops extracted from experimentally determined three-dimensional structures of RNA molecules. A comprehensive loop-structure data set was created and organized into distinct...

journal_title：Nucleic acids research

authors： Schudoma C,May P,Nikiforova V,Walther D

更新日期：2010-01-01 00:00:00

abstract：:In small oocytes of Xenopus species, two sets of 5S RNA genes, oocyte-type and somatic-type, are fully activated. The 5S RNA transcripts are temporarily stored, half in association with TFIIIA to form a 7S particle, the other half in association with tRNA and two proteins (p48 and p43) to form a 42S particle. It has b...

journal_title：Nucleic acids research

authors： Barrett P,Sommerville J

更新日期：1987-11-11 00:00:00

abstract：:We previously proposed that the first enzyme for histidine biosynthesis in Salmonellatyphimurium plays a role in regulating expression of the histidine operon and that in order to play this role the enzyme must form a complex with histidyl-tRNA. Among the many observations that led to these conclusions were 1) that re...

journal_title：Nucleic acids research

authors： Smith O,Meyers MM,Vogel T,Deeley RD,Goldberger R

更新日期：1974-07-01 00:00:00

abstract：:Procollagen alpha 2 (I) mRNA can be induced congruent to 6-fold in primary avian tendon (PAT) cells on addition of ascorbate to the culture medium. Previously, we have shown that the induction is linear after a 12 h lag and requires a total of 60-72 h to achieve maximum levels. We have now investigated in more detail ...

journal_title：Nucleic acids research

authors： Lyons BL,Schwarz RI

更新日期：1984-03-12 00:00:00

abstract：:Systems biologists aim to decipher the structure and dynamics of signaling and regulatory networks underpinning cellular responses; synthetic biologists can use this insight to alter existing networks or engineer de novo ones. Both tasks will benefit from an understanding of which structural and dynamic features of ne...

journal_title：Nucleic acids research

authors： Feng S,Ollivier JF,Swain PS,Soyer OS

更新日期：2015-10-30 00:00:00

abstract：:Using the quenched flow technique the mechanism of seryl tRNA synthetase action has been investigated with respect to the presteady state kinetics of individual steps. Under conditions where the strong binding sites of the enzyme are nearly saturated and the steady state turnover number is about 1 s-1, rate constants ...

journal_title：Nucleic acids research

authors： Dibbelt L,Pachmann U,Zachau HG

更新日期：1980-09-11 00:00:00