Nucleotide sequence and expression of a Pseudomonas savastanoi cytokinin biosynthetic gene: homology with Agrobacterium tumefaciens tmr and tzs loci.

abstract：:The initiation region of the MS2 replicase cistron can be isolated as a fragment 59 bases in length protected from RNAase by the binding of the coat protein which serves as a translational repressor. This fragment MS2 R(-53 leads to 6) starts 53 bases before the initiation codon and retains full activity in binding ri...

journal_title：Nucleic acids research

authors： Borisova GP,Volkova TM,Berzin V,Rosenthal G,Gren EJ

更新日期：1979-01-01 00:00:00

abstract：:DNA lengths in the structural repeat units of Chinese hamster ovary (CHO) and chicken erythrocyte chromatin were compared by analyzing the sizes of DNA fragments produced after treatment of nuclei with staphylococcal nuclease. The repeat length of CHO chromatin (173 +- 4 BP) is about 20 base pairs (BP) smaller than th...

journal_title：Nucleic acids research

authors： Rill RL,Nelson DA,Oosterhof DK,Hozier JC

更新日期：1977-04-01 00:00:00

abstract：:Release of RNA polymerase II (Pol II) from promoter-proximal pausing has emerged as a critical step regulating gene expression in multicellular organisms. The transition of Pol II into productive elongation requires the kinase activity of positive transcription elongation factor b (P-TEFb), which is itself under a str...

journal_title：Nucleic acids research

authors： C Quaresma AJ,Bugai A,Barboric M

更新日期：2016-09-19 00:00:00

abstract：:Escherichia coli cells lacking the ribosomal RNA processing enzyme RNase III do no excise the normal RNA precursors p16a (17S) and p23a from nascent rRNA transcripts. These cells produce, instead, slightly larger p16b and p23b precursors. Digestion of p16b or p23b rRNA with RNases A plus T1 yields double-stranded frag...

journal_title：Nucleic acids research

authors： Gegenheimer P,Apirion D

更新日期：1980-04-25 00:00:00

abstract：:The Human Disease Ontology (DO) (http://www.disease-ontology.org), database has undergone significant expansion in the past three years. The DO disease classification includes specific formal semantic rules to express meaningful disease models and has expanded from a single asserted classification to include multiple-...

journal_title：Nucleic acids research

authors： Schriml LM,Mitraka E,Munro J,Tauber B,Schor M,Nickle L,Felix V,Jeng L,Bearer C,Lichenstein R,Bisordi K,Campion N,Hyman B,Kurland D,Oates CP,Kibbey S,Sreekumar P,Le C,Giglio M,Greene C

更新日期：2019-01-08 00:00:00

abstract：:Serine integrases are emerging as core tools in synthetic biology and have applications in biotechnology and genome engineering. We have designed a split-intein serine integrase-based system with potential for regulation of site-specific recombination events at the protein level in vivo. The ϕC31 integrase was split i...

journal_title：Nucleic acids research

authors： Olorunniji FJ,Lawson-Williams M,McPherson AL,Paget JE,Stark WM,Rosser SJ

更新日期：2019-12-02 00:00:00

abstract：:Telomeric regions of the genome are inherently difficult-to-replicate due to their propensity to generate DNA secondary structures and form nucleoprotein complexes that can impede DNA replication fork progression. Precisely how cells respond to DNA replication stalling within a telomere remains poorly characterized, l...

journal_title：Nucleic acids research

authors： Jørgensen SW,Liberti SE,Larsen NB,Lisby M,Mankouri HW,Hickson ID

更新日期：2019-05-21 00:00:00

abstract：:The results of differential expression analyses provide scientists with hundreds to thousands of differentially expressed genes that need to be interpreted in light of the biology of the specific system under study. This requires mapping the genes to functional classifications that can be, for example, the KEGG pathwa...

journal_title：Nucleic acids research

authors： D'Andrea D,Grassi L,Mazzapioda M,Tramontano A

更新日期：2013-07-01 00:00:00

abstract：:Transcription initiation is a major step in gene regulation for all organisms. In bacteria, the promoter DNA is first recognized by RNA polymerase (RNAP) to yield an initial closed complex. This complex subsequently undergoes conformational changes resulting in DNA strand separation to form a transcription bubble and ...

journal_title：Nucleic acids research

authors： Duchi D,Gryte K,Robb NC,Morichaud Z,Sheppard C,Brodolin K,Wigneshweraraj S,Kapanidis AN

更新日期：2018-01-25 00:00:00

abstract：:This work presents a neutral filter elution method for detecting DNA double strand breaks in mouse L1210 cells after X-ray. The assay will detect the number of double strand breaks induced by as little as 1000 rad of X-ray. The rate of DNA elution through the filters under neutral conditions increases with X-ray dose....

journal_title：Nucleic acids research

authors： Bradley MO,Kohn KW

更新日期：1979-10-10 00:00:00

abstract：:Molecular mechanisms that regulate gene expression can occur either before or after transcription. The information for post-transcriptional regulation can lie within the sequence or structure of the RNA transcript and it has been proposed that G-quadruplex nucleic acid sequence motifs may regulate translation as well ...

journal_title：Nucleic acids research

authors： Huppert JL,Bugaut A,Kumari S,Balasubramanian S

更新日期：2008-11-01 00:00:00

abstract：:Oligodeoxyribonucleotides incorporating non-hydrolyzable dialkyl sulfide linked thymidine dimers (TsT) were synthesized chemically by the solid-phase approach. The sulfide dimer TsT was stable to degradation by snake-venom phosphodiesterase, calf spleen phosphodiesterase, Nuclease P1 and Nuclease S1. Thermal denaturat...

journal_title：Nucleic acids research

authors： Kawai SH,Wang D,Giannaris PA,Damha MJ,Just G

更新日期：1993-03-25 00:00:00

abstract：:Pentatricopeptide repeat (PPR) proteins are helical-repeat proteins that offer a promising scaffold for the engineering of proteins to bind specified RNAs. PPR tracts bind RNA in a modular 1-repeat, 1-nucleotide fashion. An amino acid code specifying the bound nucleotide has been elucidated. However, this code does no...

journal_title：Nucleic acids research

authors： Miranda RG,McDermott JJ,Barkan A

更新日期：2018-03-16 00:00:00

abstract：:We show that nucleic acid structures may be conveniently and inexpensively characterized by their UV thermal difference spectra. A thermal difference spectrum (TDS) is obtained for a nucleic acid by simply recording the ultraviolet absorbance spectra of the unfolded and folded states at temperatures above and below it...

journal_title：Nucleic acids research

authors： Mergny JL,Li J,Lacroix L,Amrane S,Chaires JB

更新日期：2005-09-12 00:00:00

abstract：:Enzymes involved in nucleic acid transactions often have a helicase-like ATPase coordinating and driving their functional activities, but our understanding of the mechanistic details of their coordination is limited. For example, DNA cleavage by the antiphage defense system Type ISP restriction-modification enzyme req...

journal_title：Nucleic acids research

authors： Chand MK,Carle V,Anuvind KG,Saikrishnan K

更新日期：2020-03-18 00:00:00

abstract：:Chromatin organization and epigenetic markers influence splicing, though the magnitudes of these effects and the mechanisms are largely unknown. Here, we demonstrate that linker histone H1.5 influences mRNA splicing. We observed that linker histone H1.5 binds DNA over splice sites of short exons in human lung fibrobla...

journal_title：Nucleic acids research

authors： Glaich O,Leader Y,Lev Maor G,Ast G

更新日期：2019-07-09 00:00:00

abstract：:Underlying higher order chromatin organization are Structural Maintenance of Chromosomes (SMC) complexes, large protein rings that entrap DNA. The molecular mechanism by which SMC complexes organize chromatin is as yet incompletely understood. Two prominent models posit that SMC complexes actively extrude DNA loops (l...

journal_title：Nucleic acids research

authors： Gerguri T,Fu X,Kakui Y,Khatri BS,Barrington C,Bates PA,Uhlmann F

更新日期：2021-01-12 00:00:00

abstract：:KUPS (The University of Kansas Proteomics Service) provides high-quality protein-protein interaction (PPI) data for researchers developing and evaluating computational models for predicting PPIs by allowing users to construct ready-to-use data sets of interacting protein pairs (IPPs), non-interacting protein pairs (NI...

journal_title：Nucleic acids research

authors： Chen XW,Jeong JC,Dermyer P

更新日期：2011-01-01 00:00:00

abstract：:Guanine-rich DNA sequences can form G-quadruplexes stabilized by stacked G-G-G-G tetrads in monovalent cation-containing solution. The length and number of individual G-tracts and the length and sequence context of linker residues define the diverse topologies adopted by G-quadruplexes. The review highlights recent so...

journal_title：Nucleic acids research

authors： Patel DJ,Phan AT,Kuryavyi V

更新日期：2007-01-01 00:00:00

abstract：:Residual dipolar coupling (RDC) represents one of the most exciting emerging NMR techniques for protein structure studies. However, solving a protein structure using RDC data alone is still a highly challenging problem. We report here a computer program, RDC-PROSPECT, for protein structure prediction based on a struct...

journal_title：Nucleic acids research

authors： Qu Y,Guo JT,Olman V,Xu Y

更新日期：2004-01-26 00:00:00

abstract：:A successful application is reported of the multivariate curve resolution alternating least-squares method (MCR-ALS) for the analysis of nucleic acid melting and salt-induced transitions. Under conditions where several structures co-exist in a conformational equilibrium, MCR-ALS analysis of the UV and circular dichroi...

journal_title：Nucleic acids research

authors： Jaumot J,Escaja N,Gargallo R,González C,Pedroso E,Tauler R

更新日期：2002-09-01 00:00:00

abstract：:Peroxisomes are induced in Saccharomyces cerevisiae when this yeast is grown in the presence of oleate, and are repressed when glucose is supplied as the carbon source. Concomitant with this is an induction/repression of peroxisomal beta-oxidation enzymes. We are investigating the transcriptional control of acyl-CoA o...

journal_title：Nucleic acids research

authors： Wang TW,Lewin AS,Small GM

更新日期：1992-07-11 00:00:00

abstract：:A repeat sequence 682 base pairs (bp) long produced by cleavage of human DNA with Xba I restriction enzyme is composed of four tandemly arranged subunits with lengths of 171, 170, 171, and 170 bp each. The sequence organization of the 682 bp Xba I repeat bears a striking resemblance to other complex satellite DNAs of ...

journal_title：Nucleic acids research

authors： Gray KM,White JW,Costanzi C,Gillespie D,Schroeder WT,Calabretta B,Saunders GF

更新日期：1985-01-25 00:00:00

abstract：:Giant viruses have extraordinarily large dsDNA genomes, and exceptionally, they encode various components of the translation apparatus, including tRNAs, aminoacyl-tRNA synthetases and translation factors. Here, we focused on the elongation factor 1 (EF1) family of viral translational GTPases (trGTPases), using computa...

journal_title：Nucleic acids research

authors： Zinoviev A,Kuroha K,Pestova TV,Hellen CUT

更新日期：2019-06-20 00:00:00

abstract：:Specific nucleic acid sequences can be detected in individual cells by in situ hybridization. However, when very few copies of a target sequence are present per cell, its signal is undetectable by flow cytometry. Although various approaches have been developed to increase fluorescence signals for in situ hybridization...

journal_title：Nucleic acids research

authors： Uno N,Kaku N,Morinaga Y,Hasegawa H,Yanagihara K

更新日期：2020-09-04 00:00:00

abstract：:The proposition that the 2-amino group of guanine plays a critical role in determining how antibiotics recognise their binding sites in DNA has been tested by relocating it, using tyrT DNA derivative molecules substituted with inosine plus 2,6-diaminopurine (DAP). Irrespective of their mode of interaction with DNA, su...

journal_title：Nucleic acids research

authors： Bailly C,Waring MJ

更新日期：1995-03-25 00:00:00

abstract：:We have adapted a method for making libraries of mutations in any specific gene for use in the fission yeast Schizosaccharomyces pombe . This elegant and simple method consists of PCR amplification of the gene of interest, followed by co-transformation of fission yeast with the PCR fragment and a linearized plasmid ve...

journal_title：Nucleic acids research

authors： Kostrub CF,Lei EP,Enoch T

更新日期：1998-10-15 00:00:00

abstract：:The estrogen receptor (ER) contains two nonacidic transcriptional activation functions, AF-1 and AF-2 (formerly TAF-1 and TAF-2). In this study we show that AF-1 and AF-2 are able to stimulate transcription in vitro in a HeLa cell system when fused to the DNA binding domain of the yeast activator GAL4. We also demonst...

journal_title：Nucleic acids research

authors： Brou C,Wu J,Ali S,Scheer E,Lang C,Davidson I,Chambon P,Tora L

更新日期：1993-01-11 00:00:00

abstract：:SynergyFinder (https://synergyfinder.fimm.fi) is a stand-alone web-application for interactive analysis and visualization of drug combination screening data. Since its first release in 2017, SynergyFinder has become a widely used web-tool both for the discovery of novel synergistic drug combinations in pre-clinical mo...

journal_title：Nucleic acids research

authors： Ianevski A,Giri AK,Aittokallio T

更新日期：2020-07-02 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