Nucleosome conformational variability in solution and in interphase nuclei evidenced by cryo-electron microscopy of vitreous sections.

abstract：:Many proteins of the SNF2 family, which share a similar DNA-dependent ATPase/putative helicase domain, are involved in global transcriptional control and processing of DNA damage. We report here the partial cloning and characterization of 89B helicase, a gene encoding a new Drosophila melanogaster member of the SNF2 f...

journal_title：Nucleic acids research

authors： Goldman-Levi R,Miller C,Bogoch J,Zak NB

更新日期：1996-08-15 00:00:00

abstract：:E. coli genes for tRNAasp and tRNAtrp are transcribed by eukaryotic RNA polymerase III upon injection into nuclei of Xenopus oocytes. This indicates that some bacterial tRNA genes contain RNA polymerase III promoter sequences. We discuss evolutionary aspects of this finding. ...

journal_title：Nucleic acids research

authors： Folk WR,Hofstetter H,Birnstiel ML

更新日期：1982-11-25 00:00:00

abstract：:The HhaI methyltransferase recognizes the sequence GCGC and transfers a methyl group to C5 of the first cytosine residue. All m5C-methyltransferases contain a highly conserved sequence motif called the P-C motif. The cysteine residue of this motif is involved in catalysis by forming a covalent bond with the 6-position...

journal_title：Nucleic acids research

authors： Mi S,Roberts RJ

更新日期：1993-05-25 00:00:00

abstract：:Biological evolution resulted in a homochiral world in which nucleic acids consist exclusively of d-nucleotides and proteins made by ribosomal translation of l-amino acids. From the perspective of synthetic biology, however, particularly anabolic enzymes that could build the mirror-image counterparts of biological mac...

journal_title：Nucleic acids research

authors： Pech A,Achenbach J,Jahnz M,Schülzchen S,Jarosch F,Bordusa F,Klussmann S

更新日期：2017-04-20 00:00:00

abstract：:RNA polymerase (RNAP) is a major target of gene regulation. Thermus thermophilus bacteriophage P23-45 encodes two RNAP binding proteins, gp39 and gp76, which shut off host gene transcription while allowing orderly transcription of phage genes. We previously reported the structure of the T. thermophilus RNAP•σA holoenz...

journal_title：Nucleic acids research

authors： Ooi WY,Murayama Y,Mekler V,Minakhin L,Severinov K,Yokoyama S,Sekine SI

更新日期：2018-01-09 00:00:00

abstract：:VA RNA(I) is a non-coding adenoviral transcript that counteracts the host cell anti-viral defenses such as immune responses mediated via PKR. We investigated potential alternate secondary structure conformations within the PKR-binding domain of VA RNA(I) using site-directed mutagenesis, RNA UV-melting analysis and enz...

journal_title：Nucleic acids research

authors： Wahid AM,Coventry VK,Conn GL

更新日期：2009-09-01 00:00:00

abstract：:DNA polymerases of the A and B families, and reverse transcriptases, share a common mechanism for preventing incorporation of ribonucleotides: a highly conserved active site residue obstructing the position that would be occupied by a 2' hydroxyl group on the incoming nucleotide. In the family Y (lesion bypass) polyme...

journal_title：Nucleic acids research

authors： DeLucia AM,Grindley ND,Joyce CM

更新日期：2003-07-15 00:00:00

abstract：:Infection of Escherichia coli by a bacteriophage T4 regA, gene 44 double mutant leads to about a 7-fold increase in the amount of RNA ligase obtained after infection by wild-type phage. Using cells infected by the double mutant, RNA ligase was purified to homogeneity with a 20% yield. Unlike previous preparations of t...

journal_title：Nucleic acids research

authors： Higgins NP,Geballe AP,Snopek TJ,Sugino A,Cozzarelli NR

更新日期：1977-09-01 00:00:00

abstract：:A frequently used method of comparing large RNA molecules employs the two-dimensional display of oligonucleotides generated through the action of specific RNases (oligonucleotide mapping, fingerprinting). Using computer simulations and simple analytic expressions the number of large RNase T1-resistant oligonucleotides...

journal_title：Nucleic acids research

authors： Aaronson RP,Young JF,Palese P

更新日期：1982-01-11 00:00:00

abstract：:The phenotypic adjustments of Mycobacterium tuberculosis are commonly inferred from the analysis of transcript abundance. While mechanisms of transcriptional regulation have been extensively analysed in mycobacteria, little is known about mechanisms that shape the transcriptome by regulating RNA decay rates. The aim o...

journal_title：Nucleic acids research

authors： Płociński P,Macios M,Houghton J,Niemiec E,Płocińska R,Brzostek A,Słomka M,Dziadek J,Young D,Dziembowski A

更新日期：2019-06-20 00:00:00

abstract：:Translesion DNA synthesis (TLS) by the Y-family DNA polymerases Polη, Polι and Polκ, mediated via interaction with proliferating cell nuclear antigen (PCNA), is a crucial pathway that protects human cells against DNA damage. We report that Polη has three PCNA-interacting protein (PIP) boxes (PIP1, 2, 3) that contribut...

journal_title：Nucleic acids research

authors： Masuda Y,Kanao R,Kaji K,Ohmori H,Hanaoka F,Masutani C

更新日期：2015-09-18 00:00:00

abstract：:S/MARt DB, the S/MAR transaction database, is a relational database covering scaffold/matrix attached regions (S/MARs) and nuclear matrix proteins that are involved in the chromosomal attachment to the nuclear scaffold. The data are mainly extracted from original publications, but a World Wide Web interface for direct...

journal_title：Nucleic acids research

authors： Liebich I,Bode J,Frisch M,Wingender E

更新日期：2002-01-01 00:00:00

abstract：:Ribosome-inactivating proteins (RIPs) inhibit protein synthesis by enzymatically depurinating a specific adenine residue at the sarcin-ricin loop of the 28S rRNA, which thereby prevents the binding of elongation factors to the GTPase activation centre of the ribosome. Here, we present the 2.2 A crystal structure of tr...

journal_title：Nucleic acids research

authors： Too PH,Ma MK,Mak AN,Wong YT,Tung CK,Zhu G,Au SW,Wong KB,Shaw PC

更新日期：2009-02-01 00:00:00

abstract：:As a trial practical application, we have applied optimized microfabricated electrophoresis devices, combined with enzymatic mutation detection methods, to the determination of single nucleotide polymorphism (SNP) sites in the p53 suppressor gene. Using clinical samples, we have achieved robust assays with quality fac...

journal_title：Nucleic acids research

authors： Schmalzing D,Belenky A,Novotny MA,Koutny L,Salas-Solano O,El-Difrawy S,Adourian A,Matsudaira P,Ehrlich D

更新日期：2000-05-01 00:00:00

abstract：:Signaling pathways constitute a valuable source of information that allows interpreting the way in which alterations in gene activities affect to particular cell functionalities. There are web tools available that allow viewing and editing pathways, as well as representing experimental data on them. However, few metho...

journal_title：Nucleic acids research

authors： Sebastián-León P,Carbonell J,Salavert F,Sanchez R,Medina I,Dopazo J

更新日期：2013-07-01 00:00:00

abstract：:Members of the pentatricopeptide repeat domain (PPR) protein family bind RNA and are important for post-transcriptional control of organelle gene expression in unicellular eukaryotes, metazoans and plants. They also have a role in human pathology, as mutations in the leucine-rich PPR-containing (LRPPRC) gene cause sev...

journal_title：Nucleic acids research

authors： Baggio F,Bratic A,Mourier A,Kauppila TE,Tain LS,Kukat C,Habermann B,Partridge L,Larsson NG

更新日期：2014-12-16 00:00:00

abstract：:E. coli can be transformed to extremely high efficiencies by subjecting a mixture of cells and DNA to brief but intense electrical fields of exponential decay waveform (electroporation). We have obtained 10(9) to 10(10) transformants/micrograms with strains LE392 and DH5 alpha, and plasmids pUC18 and pBR329. The proce...

journal_title：Nucleic acids research

authors： Dower WJ,Miller JF,Ragsdale CW

更新日期：1988-07-11 00:00:00

abstract：:The p-n-butylphenyl- and p-n-butylanilino- substituted analogs of dGTP and dATP, respectively, were tested as inhibitors of purified human placental DNA polymerases alpha and delta. It was observed that DNA polymerase alpha activity was potently inhibited by these analogs with I0.5 values as low as the nanomolar range...

journal_title：Nucleic acids research

authors： Lee MY,Toomey NL,Wright GE

更新日期：1985-12-09 00:00:00

abstract：:Differential display relies on a series of anchored primers to divide the total mRNA population into subsets of roughly equal size. However, this will only occur if the dinucleotide targeted by the anchor region of the anchored primers has a random frequency distribution [i.e. each of the 12 possible dinucleotides pre...

journal_title：Nucleic acids research

authors： Frost MR,Guggenheim JA

更新日期：1999-03-01 00:00:00

abstract：:We describe a rapid fluorescence indicator displacement assay (R-FID) to evaluate the affinity and the selectivity of compounds binding to different DNA structures. We validated the assay using a library of 30 well-known nucleic acid binders containing a variety chemical scaffolds. We used a combination of principal c...

journal_title：Nucleic acids research

authors： Del Villar-Guerra R,Gray RD,Trent JO,Chaires JB

更新日期：2018-04-20 00:00:00

abstract：:Promoter design remains one of the most important considerations in metabolic engineering and synthetic biology applications. Theoretically, there are 450 possible sequences for a 50-nt promoter, of which naturally occurring promoters make up only a small subset. To explore the vast number of potential sequences, we r...

journal_title：Nucleic acids research

authors： Wang Y,Wang H,Wei L,Li S,Liu L,Wang X

更新日期：2020-07-09 00:00:00

abstract：:Yeast co-expressing rat APOBEC-1 and a fragment of human apolipoprotein B (apoB) mRNA assembled functional editosomes and deaminated C6666 to U in a mooring sequence-dependent fashion. The occurrence of APOBEC-1-complementing proteins suggested a naturally occurring mRNA editing mechanism in yeast. Previously, a hidde...

journal_title：Nucleic acids research

authors： Dance GS,Beemiller P,Yang Y,Mater DV,Mian IS,Smith HC

更新日期：2001-04-15 00:00:00

abstract：:Search of interrelationships between the structural-functional protein organization and exon structure of encoding gene provides insights into issues concerned with the function, origin and evolution of genes and proteins. The functions of proteins and their domains are defined mostly by functional sites. The relation...

journal_title：Nucleic acids research

authors： Medvedeva I,Demenkov P,Kolchanov N,Ivanisenko V

更新日期：2012-01-01 00:00:00

abstract：:Using total internal reflection fluorescence microscopy, we directly visualize in real-time, the 1D Brownian motion and transcription elongation of T7 RNA polymerase along aligned DNA molecules bound to substrates by molecular combing. We fluorescently label T7 RNA polymerase with antibodies and use flow to convect th...

journal_title：Nucleic acids research

authors： Kim JH,Larson RG

更新日期：2007-01-01 00:00:00

abstract：:In vivo transcripts of the L (4.5 kb) and M (1.9 kb) dsRNA plasmids were examined in type I killers of Saccharomyces cerevisiae. Transcripts for both plasmids include full-length (l,m) and partial-length (la,ma) single-stranded species. Both L-dsRNA transcripts (l,la) have in vitro mRNA activity for L-P1, previously s...

journal_title：Nucleic acids research

authors： Bostian KA,Burn VE,Jayachandran S,Tipper DJ

更新日期：1983-02-25 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：:Genomic studies have indicated that certain bacterial lineages such as the Bacteroidetes lack Shine-Dalgarno (SD) sequences, and yet with few exceptions ribosomes of these organisms carry the canonical anti-SD (ASD) sequence. Here, we show that ribosomes purified from Flavobacterium johnsoniae, a representative of the...

journal_title：Nucleic acids research

authors： Jha V,Roy B,Jahagirdar D,McNutt ZA,Shatoff EA,Boleratz BL,Watkins DE,Bundschuh R,Basu K,Ortega J,Fredrick K

更新日期：2021-01-11 00:00:00

abstract：:Methylation of the 2'-hydroxyl-group of ribonucleotides is found in all major classes of RNA in eukaryotes and is one of the most abundant posttranscriptional modifications of stable RNAs. In spite of intense studies, the multiple functions of RNA 2'-O-methylation are still not understood. One major obstacle in the fi...

journal_title：Nucleic acids research

authors： Aschenbrenner J,Marx A

更新日期：2016-05-05 00:00:00

abstract：:Primer extension studies have shown that the Y-family DNA polymerase IV (Dpo4) from Sulfolobus solfataricus P2 can preferentially insert C opposite N-(deoxyguanosin-8-yl)-2-acetylaminofluorene (AAF-dG) [F. Boudsocq, S. Iwai, F. Hanaoka and R. Woodgate (2001) Nucleic Acids Res., 29, 4607-4616]. Our goal is to elucidate...

journal_title：Nucleic acids research

authors： Wang L,Broyde S

更新日期：2006-02-01 00:00:00

abstract：:Full-length cDNA of the 6.3 kb turnip yellow mosaic virus (TYMV) genome was placed between a T7 promoter and a unique Hind III site. In vitro transcription of Hind III-linearized DNA of clone pTYMC yielded full-length RNA transcripts. In inoculations of Chinese cabbage protoplasts and plants, capped transcripts and vi...

journal_title：Nucleic acids research

authors： Weiland JJ,Dreher TW

更新日期：1989-06-26 00:00:00