A two-dimensional thin layer chromatographic procedure for the sequential analysis of oligonucleotides employing tritium post-labeling.

abstract：:The history and mechanism of molecular evolution in DNA have been greatly elucidated by contributions from genetics, probability theory and bioinformatics--indeed, mathematical developments such as Kimura's neutral theory, Kingman's coalescent theory and efficient software such as BLAST, ClustalW, Phylip, etc., provid...

journal_title：Nucleic acids research

authors： Waldispühl J,Devadas S,Berger B,Clote P

更新日期：2009-07-01 00:00:00

abstract：:The NusA protein is a universally conserved bacterial transcription elongation factor that binds RNA polymerase (RNAP). When functioning independently, NusA enhances intrinsic termination. Paradoxically, NusA stimulates the function of the N and Q antiterminator proteins of bacteriophage λ. The mechanistic basis for N...

journal_title：Nucleic acids research

authors： Wells CD,Deighan P,Brigham M,Hochschild A

更新日期：2016-06-20 00:00:00

abstract：:Minimized trans-acting HDV ribozyme systems consisting of three (Rz-3) and two (Rz-2) RNA strands were prepared and their folding conformations were analyzed by NMR spectroscopy. The guanosine residues in one of the enzyme components of Rz-3 were labeled with 13C and 15N. Imino proton signals were assigned by analysis...

journal_title：Nucleic acids research

authors： Tanaka Y,Hori T,Tagaya M,Sakamoto T,Kurihara Y,Katahira M,Uesugi S

更新日期：2002-02-01 00:00:00

abstract：:Translation initiation of eukaryotic mRNAs generally occurs by cap-dependent ribosome scanning. However, certain mRNAs contain internal ribosome entry sites (IRES) allowing cap-independent translation. Several of these IRES-competent transcripts and their corresponding proteins are involved in tumourigenesis. This stu...

journal_title：Nucleic acids research

authors： Petz M,Kozina D,Huber H,Siwiec T,Seipelt J,Sommergruber W,Mikulits W

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：:Various oligonucleotides containing 8-methylguanine (m8G) have been synthesized and their structures and thermodynamic properties investigated. Introduction Of M8G into DNA sequences markedly stabilizes the Z conformation under low salt conditions. The hexamer d(CGC[M8G]CG)2 exhibits a CD spectrum characteristic of th...

journal_title：Nucleic acids research

authors： Sugiyama H,Kawai K,Matsunaga A,Fujimoto K,Saito I,Robinson H,Wang AH

更新日期：1996-04-01 00:00:00

abstract：:Interferons (IFNs) are a family of multifunctional proteins involved in immune activation, regulation of cell growth and antiviral response. They exert their functions by induction of several IFN-stimulated genes, including IFN regulatory factors (IRFs), a family of transcriptional regulators. One of these factors, IR...

journal_title：Nucleic acids research

authors： Koenig Merediz SA,Schmidt M,Hoppe GJ,Alfken J,Meraro D,Levi BZ,Neubauer A,Wittig B

更新日期：2000-11-01 00:00:00

abstract：:We observed overexpression and increased intra-nuclear accumulation of the PRMT5/WDR77 in breast cancer cell lines relative to immortalized breast epithelial cells. Utilizing mass spectrometry and biochemistry approaches we identified the Zn-finger protein ZNF326, as a novel interaction partner and substrate of the nu...

journal_title：Nucleic acids research

authors： Rengasamy M,Zhang F,Vashisht A,Song WM,Aguilo F,Sun Y,Li S,Zhang W,Zhang B,Wohlschlegel JA,Walsh MJ

更新日期：2017-11-02 00:00:00

abstract：:Natural oligopeptides may regulate nearly all vital processes. To date, the chemical structures of nearly 6000 oligopeptides have been identified from >1000 organisms representing all the biological kingdoms. We have compiled the known physical, chemical and biological properties of these oligopeptides--whether synthe...

journal_title：Nucleic acids research

authors： Zamyatnin AA,Borchikov AS,Vladimirov MG,Voronina OL

更新日期：2006-01-01 00:00:00

abstract：:Alternative splicing (AS) of pre-mRNAs is an important regulatory mechanism shaping the transcriptome. In plants, only few RNA-binding proteins are known to affect AS. Here, we show that the glycine-rich RNA-binding protein AtGRP7 influences AS in Arabidopsis thaliana. Using a high-resolution RT-PCR-based AS panel, we...

journal_title：Nucleic acids research

authors： Streitner C,Köster T,Simpson CG,Shaw P,Danisman S,Brown JW,Staiger D

更新日期：2012-12-01 00:00:00

abstract：:The Trypanosoma brucei exoribonuclease, TbDSS-1, has been implicated in multiple aspects of mitochondrial RNA metabolism. Here, we investigate the role of TbDSS-1 in RNA processing and surveillance by analyzing 12S rRNA processing intermediates in TbDSS-1 RNAi cells. RNA fragments corresponding to leader sequence upst...

journal_title：Nucleic acids research

authors： Mattiacio JL,Read LK

更新日期：2008-01-01 00:00:00

abstract：:Recent evidence indicates a link between Parkinson's Disease (PD) and the expression of a-synuclein (SNCA) isoforms with different 3' untranslated regions (3'UTRs). Yet, the post-transcriptional mechanisms regulating SNCA expression are unknown. Using a large-scale in vitro /in silico screening we identified RNA-bindi...

journal_title：Nucleic acids research

authors： Marchese D,Botta-Orfila T,Cirillo D,Rodriguez JA,Livi CM,Fernández-Santiago R,Ezquerra M,Martí MJ,Bechara E,Tartaglia GG,Catalan MSA Registry (CMSAR).

更新日期：2017-12-15 00:00:00

abstract：:DNA double-strand breaks are repaired by end-joining or homologous recombination. A key-committing step of recombination is DNA end resection. In resection, phosphorylated CtIP first promotes the endonuclease of MRE11-RAD50-NBS1 (MRN). Subsequently, CtIP also stimulates the WRN/BLM-DNA2 pathway, coordinating thus both...

journal_title：Nucleic acids research

authors： Howard SM,Ceppi I,Anand R,Geiger R,Cejka P

更新日期：2020-06-04 00:00:00

abstract：:Nuclei from frozen calf thymus suspended in buffer were analyzed for metal content prior to and after repeated washing. After three such extractions about 0.1 micrograms Zn/mg DNA and 0.025 micrograms Cu/mg DNA remained tightly associated with chromatin. This level of metal was essentially unchanged with subsequent wa...

journal_title：Nucleic acids research

authors： Bryan SE,Vizard DL,Beary DA,LaBiche RA,Hardy KJ

更新日期：1981-11-11 00:00:00

abstract：:DNA bearing lambda operator sequences was methylated by dimethyl sulfate (DMS) in the presence or absence of lambda repressor. Under the experimental conditions, DMS methylates only the purine residues. The presence of lambda repressor affects only the methylation of certain G residues in the operators. Repressor bloc...

journal_title：Nucleic acids research

authors： Humayun Z,Kleid D,Ptashne M

更新日期：1977-01-01 00:00:00

abstract：:Sequences from -3500 to +1365 of the chicken histone H5 gene have been analyzed for the presence of cis-acting elements in H5 expressing (transformed CFU-E) and non-expressing cells (fibroblasts). The region from -3500 to -115 had little effect on transcription. Proximal upstream sequences contain a negative element (...

journal_title：Nucleic acids research

authors： Rousseau S,Renaud J,Ruiz-Carrillo A

更新日期：1989-09-25 00:00:00

abstract：:By means of a combination of ion-exchange and sequence-specific affinity chromatography techniques, we have purified to homogeneity two protein complexes binding in a human DNA region (B48) previously recognized to contain a DNA replication origin. The DNA sequence used for the protein purification (B48 binding site) ...

journal_title：Nucleic acids research

authors： Tóth EC,Marusic L,Ochem A,Patthy A,Pongor S,Giacca M,Falaschi A

更新日期：1993-07-11 00:00:00

abstract：:The location of target DNA sequences within chromatin may affect the ability of trans-acting factors to bind cis-elements and regulate gene transcription. To examine the effect of chromatin structure on the ability of the estrogen-estrogen receptor complex (E2R) to bind its respective DNA binding element within the ra...

journal_title：Nucleic acids research

authors： Willis SD,Seyfred MA

更新日期：1996-03-15 00:00:00

abstract：:Large expansions of the trinucleotide repeat GAA*TTC within the first intron of the X25 (frataxin) gene cause Friedreich's ataxia, the most common inherited ataxia. Expansion leads to reduced levels of frataxin mRNA in affected individuals. Here we show that GAA*TTC tracts, in the absence of any other frataxin gene se...

journal_title：Nucleic acids research

authors： Grabczyk E,Usdin K

更新日期：2000-07-15 00:00:00

abstract：:PubChem (https://pubchem.ncbi.nlm.nih.gov) is a popular chemical information resource that serves the scientific community as well as the general public, with millions of unique users per month. In the past two years, PubChem made substantial improvements. Data from more than 100 new data sources were added to PubChem...

journal_title：Nucleic acids research

authors： Kim S,Chen J,Cheng T,Gindulyte A,He J,He S,Li Q,Shoemaker BA,Thiessen PA,Yu B,Zaslavsky L,Zhang J,Bolton EE

更新日期：2021-01-08 00:00:00

abstract：:We characterize a component of the E. coli bacterial nucleoid H1a, which accumulates in stationary phase. This protein, identical with the major component of a plasmid-protein complex previously isolated in our laboratory, has a pI close to 7.5. Acrylamide gel electrophoresis and sedimentation in sucrose gradient have...

journal_title：Nucleic acids research

authors： Spassky A,Rimsky S,Garreau H,Buc H

更新日期：1984-07-11 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：:One of the master regulators of placental cell fusion in mammals leading to multi-nucleated syncytiotrophoblasts is the transcription factor GCMa. Recently, we proved that the cAMP-driven protein kinase A signaling pathway is fundamental for up-regulation of GCMa transcript levels and protein stability. Here, we show ...

journal_title：Nucleic acids research

authors： Schubert SW,Abendroth A,Kilian K,Vogler T,Mayr B,Knerr I,Hashemolhosseini S

更新日期：2008-06-01 00:00:00

abstract：:Despite much information as to the structure and function of the general transcription factors, little is known about the regulation of their expression. Transcription of the Saccharomyces cerevisiae SUA7 (TFIIB) gene results in the formation of two discrete transcripts. It was originally reported that the two transcr...

journal_title：Nucleic acids research

authors： Hoopes BC,Bowers GD,DiVisconte MJ

更新日期：2000-11-15 00:00:00

abstract：:Despite the large number of noncoding RNAs in human genome and their roles in many diseases include cancer, we know very little about them due to lack of structural clues. The centerpiece of the structural clues is the full RNA base-pairing structure of secondary and tertiary contacts that can be precisely obtained on...

journal_title：Nucleic acids research

authors： Zhang Z,Xiong P,Zhang T,Wang J,Zhan J,Zhou Y

更新日期：2020-02-20 00:00:00

abstract：:The National Center for Biotechnology Information (NCBI) Clone DB (http://www.ncbi.nlm.nih.gov/clone/) is an integrated resource providing information about and facilitating access to clones, which serve as valuable research reagents in many fields, including genome sequencing and variation analysis. Clone DB represen...

journal_title：Nucleic acids research

authors： Schneider VA,Chen HC,Clausen C,Meric PA,Zhou Z,Bouk N,Husain N,Maglott DR,Church DM

更新日期：2013-01-01 00:00:00

abstract：:Membraneless organelles (MOs) are dynamic liquid condensates that host a variety of specific cellular processes, such as ribosome biogenesis or RNA degradation. MOs form through liquid-liquid phase separation (LLPS), a process that relies on multivalent weak interactions of the constituent proteins and other macromole...

journal_title：Nucleic acids research

authors： Mészáros B,Erdős G,Szabó B,Schád É,Tantos Á,Abukhairan R,Horváth T,Murvai N,Kovács OP,Kovács M,Tosatto SCE,Tompa P,Dosztányi Z,Pancsa R

更新日期：2020-01-08 00:00:00

abstract：:Hepatitis C virus (HCV) RNA is recognized and cleaved in vitro by RNase P enzyme near the AUG start codon. Because RNase P identifies transfer RNA (tRNA) precursors, it has been proposed that HCV RNA adopts structural similarities to tRNA. Here, we present experimental evidence of RNase P sensitivity conservation in n...

journal_title：Nucleic acids research

authors： Piron M,Beguiristain N,Nadal A,Martínez-Salas E,Gómez J

更新日期：2005-03-08 00:00:00

abstract：:The Zebrafish Information Network (ZFIN) (https://zfin.org/) is the database for the model organism, zebrafish (Danio rerio). ZFIN expertly curates, organizes, and provides a wide array of zebrafish genetic and genomic data, including genes, alleles, transgenic lines, gene expression, gene function, mutant phenotypes,...

journal_title：Nucleic acids research

authors： Howe DG,Ramachandran S,Bradford YM,Fashena D,Toro S,Eagle A,Frazer K,Kalita P,Mani P,Martin R,Moxon ST,Paddock H,Pich C,Ruzicka L,Schaper K,Shao X,Singer A,Van Slyke CE,Westerfield M

更新日期：2021-01-08 00:00:00

abstract：:An important problem in genomics is automatically clustering homologous proteins when only sequence information is available. Most methods for clustering proteins are local, and are based on simply thresholding a measure related to sequence distance. We first show how locality limits the performance of such methods by...

journal_title：Nucleic acids research

authors： Paccanaro A,Casbon JA,Saqi MA

更新日期：2006-03-17 00:00:00