The distribution of active RNA polymerase II along the transcribed region is gene-specific and controlled by elongation factors.

abstract：:DNA cytosine-5 methyltransferases (C5-MTases) are valuable models to study sequence-specific modification of DNA and are becoming increasingly important tools for biotechnology. Here we describe a structure-guided rational protein design combined with random mutagenesis and selection to change the specificity of the H...

journal_title：Nucleic acids research

authors： Gerasimaite R,Vilkaitis G,Klimasauskas S

更新日期：2009-11-01 00:00:00

abstract：:Electrophoresis of the mixture of proteins from purified snRNPs U1, U2, U4/U6 and U5 on SDS-polyacrylamide gels that had been allowed to polymerise in the presence of high TEMED concentrations have revealed the presence of proteins in the snRNPs that previously had eluded detection. The most striking case is that of p...

journal_title：Nucleic acids research

authors： Lehmeier T,Foulaki K,Lührmann R

更新日期：1990-11-25 00:00:00

abstract：:Polyaromatic molecules with amino chain substituents, upon binding with DNA, selectively catalyze exchange of the A.T base pair protons with bulk water protons. The amine-catalyzed exchange is mediated by compounds which are A.T and G.C base sequence specific, intercalators, and outside binders. A mechanism for the se...

journal_title：Nucleic acids research

authors： Strekowski L,Watson RA,Wilson WD

更新日期：1987-10-26 00:00:00

abstract：:Mutant AraC proteins were selected for their ability to induce but not to repress, or their ability to repress but not to induce the araBAD operon. One such unusual mutant is able to bind to the araI site with an affinity only two to three-fold weaker than the wild type AraC protein, but the mutant protein was shown, ...

journal_title：Nucleic acids research

authors： Brunelle A,Hendrickson W,Schleif R

更新日期：1985-07-25 00:00:00

abstract：:The frequencies of occurrence of four bases in the first, second and third codon positions and in the total coding sequences have been calculated by the codon usage table published in 1990 by Ikemura et al. The distribution of frequencies are further analysed in detail by a graphic technique presented recently by us. ...

journal_title：Nucleic acids research

authors： Zhang CT,Zhang R

更新日期：1991-11-25 00:00:00

abstract：:The generalized mismatch repair system of Streptococcus pneumoniae (the Hex system) can eliminate base pair mismatches arising in heteroduplex DNA during transformation or by DNA polymerase errors during replication. Mismatch repair is most likely initiated at nicks or gaps. The present work was started to examine the...

journal_title：Nucleic acids research

authors： Méjean V,Devedjian JC,Rives I,Alloing G,Claverys JP

更新日期：1991-10-25 00:00:00

abstract：:The 3'-untranslated region (UTR) of tobacco mosaic virus (TMV), which terminates in a tRNA-like structure, functionally substitutes for a poly(A) tail in both plant and animal cells. The addition of the TMV 3'-UTR to chimeric mRNA constructs increases their expression up to 100-fold, increasing both translational effi...

journal_title：Nucleic acids research

authors： Gallie DR,Feder JN,Schimke RT,Walbot V

更新日期：1991-09-25 00:00:00

abstract：:New transcripts generated by RNA polymerase II (RNAPII) are generally processed in order to form mature mRNAs. Two key processing steps include a precise cleavage within the 3' end of the pre-mRNA, and the subsequent polymerization of adenosines to produce the poly(A) tail. In yeast, these two functions are performed ...

journal_title：Nucleic acids research

authors： Guéguéniat J,Dupin AF,Stojko J,Beaurepaire L,Cianférani S,Mackereth CD,Minvielle-Sébastia L,Fribourg S

更新日期：2017-09-29 00:00:00

abstract：:A soluble enzyme system that specifically initiates lambda dv plasmid DNA replication at a bacteriophage lambda replication origin [Wold et al. (1982) Proc. Natl. Acad. Sci. USA 79, 6176-6180] is also capable of replicating the single-stranded circular chromosomes of phages M13 and phi X174 to a duplex form. This chai...

journal_title：Nucleic acids research

authors： LeBowitz JH,McMacken R

更新日期：1984-04-11 00:00:00

abstract：:Chromatin boundaries regulate gene expression by modulating enhancer-promoter interactions and insulating transcriptional influences from organized chromatin. However, mechanistic distinctions between these two aspects of boundary function are not well understood. Here we show that SF1, a chromatin boundary located in...

journal_title：Nucleic acids research

authors： Majumder P,Roy S,Belozerov VE,Bosu D,Puppali M,Cai HN

更新日期：2009-07-01 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：:The CRT10 gene was identified through screening of the Saccharomyces cerevisiae deletion library for hydroxyurea (HU) resistance. CRT10 encodes a putative 957 amino acid, 110 kDa protein with a leucine repeat and a WD40 repeat near the N-terminus. Deletion of CRT10 resulted in an enhanced resistance to HU reminiscent ...

journal_title：Nucleic acids research

authors： Fu Y,Xiao W

更新日期：2006-04-05 00:00:00

abstract：:RNA editing in protozoan parasites is a mitochondrial RNA processing reaction in which exclusively uridylate residues are inserted into, and less frequently deleted from, pre-mRNAs. Molecules central to the process are so-called guide RNAs (gRNAs) which function as templates in the reaction. For a detailed molecular u...

journal_title：Nucleic acids research

authors： Hermann T,Schmid B,Heumann H,Göringer HU

更新日期：1997-06-15 00:00:00

abstract：:Transcription factor IIIA (TFIIIA) is specifically required for transcription of 5S rRNA genes and is the archetypal C2H2 zinc finger protein. All known vertebrate TFIIIAs have a similar organization: nine zinc fingers, followed by a C-terminal domain of unknown structure. The zinc fingers of Saccharomyces cerevisiae ...

journal_title：Nucleic acids research

authors： Schulman DB,Setzer DR

更新日期：2002-07-01 00:00:00

abstract：:Oligo(dG).oligo(dC)- or short poly(dG).poly(dC)-containing fragments were enriched and cloned by means of Mg2+-dependent triplex affinity capture and subsequent cloning procedures. A library constructed after three cycles of enrichment showed that approximately 80% of the clones in the supercoiled form formed a comple...

journal_title：Nucleic acids research

authors： Nishikawa N,Kanda N,Oishi M,Kiyama R

更新日期：1997-05-01 00:00:00

abstract：:Mitochondrial proteins remain the subject of intense research interest due to their implication in an increasing number of different conditions including mitochondrial and metabolic disease, cancer, and neuromuscular degenerative and age-related disorders. However, the mitochondrial proteome has yet to be accurately a...

journal_title：Nucleic acids research

authors： Smith AC,Robinson AJ

更新日期：2016-01-04 00:00:00

abstract：:To achieve drug resistance Leishmania parasite alters gene copy number by using its repeated sequences widely distributed through the genome. Even though homologous recombination (HR) is ascribed to maintain genome stability, this eukaryote exploits this potent mechanism driven by the Rad51 recombinase to form benefic...

journal_title：Nucleic acids research

authors： Genois MM,Plourde M,Éthier C,Roy G,Poirier GG,Ouellette M,Masson JY

更新日期：2015-03-11 00:00:00

abstract：:Phylogenetic analysis and examination of protein domains allow accurate genome annotation and are invaluable to study proteins and protein complex evolution. However, two sequences can be homologous without sharing statistically significant amino acid or nucleotide identity, presenting a challenging bioinformatics pro...

journal_title：Nucleic acids research

authors： Alako BT,Rainey D,Nijveen H,Leunissen JA

更新日期：2006-07-01 00:00:00

abstract：:Achiral pseudonucleosides bearing an anthraquinone moiety have been incorporated into deoxyoligonucleotides in internal, 3' and 5' positions. The ability of these modified deoxyoligonucleotides to hybridize to complementary RNA and DNA was investigated using Tm measurements. The anthraquinone was shown to enhance bind...

journal_title：Nucleic acids research

authors： Lin KY,Matteucci M

更新日期：1991-06-11 00:00:00

abstract：:A new integrated image analysis package with quantitative quality control schemes is described for cDNA microarray technology. The package employs an iterative algorithm that utilizes both intensity characteristics and spatial information of the spots on a microarray image for signal-background segmentation and define...

journal_title：Nucleic acids research

authors： Wang X,Ghosh S,Guo SW

更新日期：2001-08-01 00:00:00

abstract：:The human lymphoid cell lines Walker and Daudi constitute a particularly suitable system for studies on the chromatin structure of K light chain genes (see preceding paper). The rearranged and non-rearranged alleles of Walker cells were found to be about equally sensitive towards digestion with DNAase I. A DNAase I hy...

journal_title：Nucleic acids research

authors： Pospelov VA,Klobeck HG,Zachau HG

更新日期：1984-09-25 00:00:00

abstract：:Modified nucleosides in natural RNA molecules are essential for their functions. Non-natural nucleoside analogues have been introduced into RNA to manipulate its structure and function. We have recently developed a new strategy for the in situ modification of RNA based on the functionality transfer reaction between an...

journal_title：Nucleic acids research

authors： Jitsuzaki D,Onizuka K,Nishimoto A,Oshiro I,Taniguchi Y,Sasaki S

更新日期：2014-07-01 00:00:00

abstract：:The precursor to the Euglena light harvesting chlorophyll a/b binding protein of photosystem II (LHCPII) is a polyprotein containing multiple copies of LHCPII covalently joined by a decapeptide linker. cDNA and genomic clones encoding the 5' and 3' end of a 6.6 kb LHCPII mRNA were sequenced. A 3.1 kb genomic region en...

journal_title：Nucleic acids research

authors： Muchhal US,Schwartzbach SD

更新日期：1994-12-25 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：:Friedreich ataxia (FRDA) is caused by hyperexpansion of GAA*TTC repeats located in the first intron of the FXN gene, which inhibits transcription leading to the deficiency of frataxin. The FXN gene is an excellent target for therapeutic intervention since (i) 98% of patients carry the same type of mutation, (ii) the m...

journal_title：Nucleic acids research

authors： Soragni E,Herman D,Dent SY,Gottesfeld JM,Wells RD,Napierala M

更新日期：2008-11-01 00:00:00

abstract：:The avian retrovirus pp32 DNA endonuclease prefers to nick supercoiled DNA containing long terminal repeat (LTR) circle junction sequences at one or the other of two sites, each which mapped two nucleotides back from the circle junction. The sequence at the sites of nicking was (sequence: see text) where increases ind...

journal_title：Nucleic acids research

authors： Grandgenett DP,Vora AC

更新日期：1985-09-11 00:00:00

abstract：:Conflicts between replication and transcription challenge chromosome duplication. Escherichia coli replisome movement along transcribed DNA is promoted by Rep and UvrD accessory helicases with Δrep ΔuvrD cells being inviable under rapid growth conditions. We have discovered that mutations in a tRNA gene, aspT, in an a...

journal_title：Nucleic acids research

authors： Myka KK,Hawkins M,Syeda AH,Gupta MK,Meharg C,Dillingham MS,Savery NJ,Lloyd RG,McGlynn P

更新日期：2017-03-17 00:00:00

abstract：:Transcriptional regulatory networks specify regulatory proteins controlling the context-specific expression levels of genes. Inference of genome-wide regulatory networks is central to understanding gene regulation, but remains an open challenge. Expression-based network inference is among the most popular methods to i...

journal_title：Nucleic acids research

authors： Siahpirani AF,Roy S

更新日期：2017-02-28 00:00:00

abstract：:Recombinase proteins assembled into helical filaments on DNA are believed to be the catalytic core of homologous recombination. The assembly, disassembly and dynamic rearrangements of this structure must drive the DNA strand exchange reactions of homologous recombination. The sensitivity of eukaryotic recombinase acti...

journal_title：Nucleic acids research

authors： Ristic D,Modesti M,van der Heijden T,van Noort J,Dekker C,Kanaar R,Wyman C

更新日期：2005-06-08 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