Differences between Ca2+ and Mg2+ in DNA binding and release by the SfiI restriction endonuclease: implications for DNA looping.

abstract：:In flowering plants, RNA editing is a posttranscriptional process that converts specific C to U in organelle mRNAs. Nicotiana tabacum is an allotetraploid species derived from the progenitors of Nicotiana sylvestris and Nicotiana tomentosiformis. These Nicotiana species have been used as a model for understanding the ...

journal_title：Nucleic acids research

authors： Okuda K,Habata Y,Kobayashi Y,Shikanai T

更新日期：2008-11-01 00:00:00

abstract：:To understand the epigenetic regulation of transcriptional response of macrophages during early-stage M. tuberculosis (Mtb) infection, we performed ChIPseq analysis of H3K4 monomethylation (H3K4me1), a marker of poised or active enhancers. De novo H3K4me1 peaks in infected cells were associated with genes implicated i...

journal_title：Nucleic acids research

authors： Bouttier M,Laperriere D,Memari B,Mangiapane J,Fiore A,Mitchell E,Verway M,Behr MA,Sladek R,Barreiro LB,Mader S,White JH

更新日期：2016-12-15 00:00:00

abstract：:Combinatorial interactions of sequence-specific trans-acting factors with localized genomic cis-element clusters are the principal mechanism for regulating tissue-specific and developmental gene expression. With the emergence of expanding numbers of genome-wide expression analyses, the identification of the cis-elemen...

journal_title：Nucleic acids research

authors： Jegga AG,Gupta A,Gowrisankar S,Deshmukh MA,Connolly S,Finley K,Aronow BJ

更新日期：2005-07-01 00:00:00

abstract：:TP63, a member of the p53 gene family gene, encodes the ΔNp63 protein and is one of the most frequently amplified genes in squamous cell carcinomas (SCC) of the head and neck (HNSCC) and lungs (LUSC). Using an epiallelic series of siRNAs with intrinsically different knockdown abilities, we show that the complete loss ...

journal_title：Nucleic acids research

authors： Bretz AC,Gittler MP,Charles JP,Gremke N,Eckhardt I,Mernberger M,Mandic R,Thomale J,Nist A,Wanzel M,Stiewe T

更新日期：2016-04-20 00:00:00

abstract：:In most bacteria, two tRNAs decode the four arginine CGN codons. One tRNA harboring a wobble inosine (tRNA(Arg)ICG) reads the CGU, CGC and CGA codons, whereas a second tRNA harboring a wobble cytidine (tRNA(Arg)CCG) reads the remaining CGG codon. The reduced genomes of Mycoplasmas and other Mollicutes lack the gene en...

journal_title：Nucleic acids research

authors： Yokobori S,Kitamura A,Grosjean H,Bessho Y

更新日期：2013-07-01 00:00:00

abstract：:Prokaryotes evolved numerous systems that defend against predation by bacteriophages. In addition to well-known restriction-modification and CRISPR-Cas immunity systems, many poorly characterized systems exist. One class of such systems, named BREX, consists of a putative phosphatase, a methyltransferase and four othe...

journal_title：Nucleic acids research

authors： Gordeeva J,Morozova N,Sierro N,Isaev A,Sinkunas T,Tsvetkova K,Matlashov M,Truncaite L,Morgan RD,Ivanov NV,Siksnys V,Zeng L,Severinov K

更新日期：2019-01-10 00:00:00

abstract：:The DNA damage checkpoint halts cell cycle progression in G2 in response to genotoxic insults. Central to the execution of cell cycle arrest is the checkpoint-induced stabilization of securin-separase complex (yeast Pds1-Esp1). The checkpoint kinases Chk1 and Chk2 (yeast Chk1 and Rad53) are thought to critically contr...

journal_title：Nucleic acids research

authors： Yam CQX,Chia DB,Shi I,Lim HH,Surana U

更新日期：2020-06-19 00:00:00

abstract：:In eukaryotes, RNA-binding proteins that contain multiple K homology (KH) domains play a key role in coordinating the different steps of RNA synthesis, metabolism and localization. Understanding how the different KH modules participate in the recognition of the RNA targets is necessary to dissect the way these protein...

journal_title：Nucleic acids research

authors： Hollingworth D,Candel AM,Nicastro G,Martin SR,Briata P,Gherzi R,Ramos A

更新日期：2012-08-01 00:00:00

abstract：:Interest in secondary metabolites such as RiPPs (ribosomally synthesized and posttranslationally modified peptides) is increasing worldwide. To facilitate the research in this field we have updated our mining web server. BAGEL4 is faster than its predecessor and is now fully independent from ORF-calling. Gene clusters...

journal_title：Nucleic acids research

authors： van Heel AJ,de Jong A,Song C,Viel JH,Kok J,Kuipers OP

更新日期：2018-07-02 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：:Knowledge of the various interactions between molecules in the cell is crucial for understanding cellular processes in health and disease. Currently available interaction databases, being largely complementary to each other, must be integrated to obtain a comprehensive global map of the different types of interactions...

journal_title：Nucleic acids research

authors： Kamburov A,Stelzl U,Lehrach H,Herwig R

更新日期：2013-01-01 00:00:00

abstract：:The biogenesis of ribosomes in vivo is an essential process for cellular functions. Transcription of ribosomal RNA (rRNA) genes is the rate-limiting step in ribosome biogenesis controlled by environmental conditions. Here, we investigated the role of folate antagonist on changes of DNA double-strand breaks (DSBs) land...

journal_title：Nucleic acids research

authors： Xie Q,Li C,Song X,Wu L,Jiang Q,Qiu Z,Cao H,Yu K,Wan C,Li J,Yang F,Huang Z,Niu B,Jiang Z,Zhang T

更新日期：2017-03-17 00:00:00

abstract：:Naturally occurring hammerhead ribozymes are produced by rolling circle replication followed by self-cleavage. This results in monomer-length catalytic RNAs which have self-complementary sequences that can occupy their trans -binding domains and potentially block their ability to cleave other RNA strands. Here we show...

journal_title：Nucleic acids research

authors： Ohmichi T,Kool ET

更新日期：2000-02-01 00:00:00

abstract：:Fluorescence anisotropy and fluorescence correlation spectroscopy measurements of rhodamine-labeled DNA oligonucleotide duplexes have been used to determine equilibrium binding constants for DNA binding of the prokaryotic transcription activator protein NtrC. Measurements were made with wild-type NtrC from Escherichia...

journal_title：Nucleic acids research

authors： Sevenich FW,Langowski J,Weiss V,Rippe K

更新日期：1998-03-15 00:00:00

abstract：:The ability of the tumor suppressor protein, p53, to recognize certain types of DNA lesions may represent one of the mechanisms by which this protein modulates cellular response to DNA damage. p53 DNA binding properties are regulated by several factors, such as post-translational modifications including phosphorylatio...

journal_title：Nucleic acids research

authors： Subramanian D,Griffith JD

更新日期：2002-06-01 00:00:00

abstract：:The x-ray crystal structures of two new anti-HIV compounds, 9-(2,3-dideoxy-2-fluoro-beta-D-threo-pentofuranosyl)adenine (2'-F-dd-araA) and 9-(2,3-dideoxy-2-fluoro-beta-D-threo- pentofuranosyl)hypoxanthine (2'-F-dd-aral), have been determined at two temperatures. Both crystals are in the space group P2(1)2(1)2(1), and ...

journal_title：Nucleic acids research

authors： Liaw YC,Gao YG,Marquez VE,Wang AH

更新日期：1992-02-11 00:00:00

abstract：:50 to 55% of tobacco and barley nuclear DNA is accessible to micrococcal endonuclease digestion. The DNA fragments resulting from a mild endonuclease treatment are multiples of a basic unit of 194 +/- 6 base pairs in tobacco and 195 +/- 6 base pairs in barley. After extensive digestion, a DNA fragment of approximately...

journal_title：Nucleic acids research

authors： Philipps G,Gigot C

更新日期：1977-10-01 00:00:00

abstract：:Myotonic dystrophy type 1 (DM1) is caused by the expansion of a (CTG).(CAG) repeat in the DMPK gene on chromosome 19q13.3. At least 17 neurological diseases have similar genetic mutations, the expansion of DNA repeats. In most of these disorders, the disease severity is related to the length of the repeat expansion, a...

journal_title：Nucleic acids research

authors： Hashem VI,Pytlos MJ,Klysik EA,Tsuji K,Khajavi M,Ashizawa T,Sinden RR

更新日期：2004-12-01 00:00:00

abstract：:The European Nucleotide Archive (ENA; http://www.ebi.ac.uk/ena) is Europe's primary resource for nucleotide sequence information. With the growing volume and diversity of public sequencing data comes the need for increased sophistication in data organisation, presentation and search services so as to maximise its disc...

journal_title：Nucleic acids research

authors： Silvester N,Alako B,Amid C,Cerdeño-Tárraga A,Cleland I,Gibson R,Goodgame N,Ten Hoopen P,Kay S,Leinonen R,Li W,Liu X,Lopez R,Pakseresht N,Pallreddy S,Plaister S,Radhakrishnan R,Rossello M,Senf A,Smirnov D,Toribio A

更新日期：2015-01-01 00:00:00

abstract：:Effective transcript profiling in animal systems requires isolation of homogenous tissue or cells followed by faithful mRNA amplification. Linear amplification based on cDNA synthesis and in vitro transcription is reported to maintain representation of mRNA levels, however, quantitative data demonstrating this as well...

journal_title：Nucleic acids research

authors： Baugh LR,Hill AA,Brown EL,Hunter CP

更新日期：2001-03-01 00:00:00

abstract：:We have isolated genomic clones from Xenopus borealis representing 3 different types of histone gene cluster. We show that the major type (H1, H2B, H2A, H4, H3), present at about 60-70 copies per haploid genome (1), is tandemly reiterated with a repeat length of 15 kb. In situ hybridization to mitotic chromosomes show...

journal_title：Nucleic acids research

authors： Turner PC,Bagenal EB,Vlad MT,Woodland HR

更新日期：1988-04-25 00:00:00

abstract：:The TGGCA protein, the chicken homologue of HeLa cell NF-I, was purified to homogeneity from liver tissue by a procedure which includes preparative mobility shift electrophoresis (PMSE) as the final step. PMSE was here adjusted for the isolation of the TGGCA protein, but can be used as a general method to characterize...

journal_title：Nucleic acids research

authors： Rupp RA,Sippel AE

更新日期：1987-12-10 00:00:00

abstract：:The expression of the nicotinic acetylcholine receptor alpha 2 subunit gene is highly restricted to the Spiriform lateralis nucleus of the Chick diencephalon. As a first step toward understanding the molecular mechanism underlying this regulation, we have investigated the structural and regulatory properties of the 5'...

journal_title：Nucleic acids research

authors： Bessis A,Savatier N,Devillers-Thiéry A,Bejanin S,Changeux JP

更新日期：1993-05-11 00:00:00

abstract：:Bulky lesions in the template strand block the progression of RNA polymerase II (RNAP II) and are repaired more rapidly than lesions in the non-transcribed strand, which do not block transcription. In order to better understand the basis of this transcription-coupled repair we developed an in vitro system with purifie...

journal_title：Nucleic acids research

authors： Selby CP,Drapkin R,Reinberg D,Sancar A

更新日期：1997-02-15 00:00:00

abstract：:We used the high resolution and accuracy of the Cambridge Structural Database (CSD) to provide detailed information regarding base pairing interactions of selected nucleobases. We searched for base pairs in which nucleobases interact with each other through two or more hydrogen bonds and form more or less planar struc...

journal_title：Nucleic acids research

authors： Cabaj MK,Dominiak PM

更新日期：2020-09-04 00:00:00

abstract：:Nucleosomes released from oviduct nuclei during brief micrococcal nuclease digestions are enriched in transcribed sequences (bloom K.S. and Anderson, J.N. (1978) Cell, 15, 141-150). Such nucleosomes released into this 1Sf supernatant fraction are enriched in proteins HMG14, 17 and a third lower molecular weight protei...

journal_title：Nucleic acids research

authors： Goodwin GH,Wright CA,Johns EW

更新日期：1981-06-25 00:00:00

abstract：:Allostery is the most direct, rapid and efficient way of regulating protein function, ranging from the control of metabolic mechanisms to signal-transduction pathways. However, an enormous amount of unsystematic allostery information has deterred scientists who could benefit from this field. Here, we present the AlloS...

journal_title：Nucleic acids research

authors： Huang Z,Zhu L,Cao Y,Wu G,Liu X,Chen Y,Wang Q,Shi T,Zhao Y,Wang Y,Li W,Li Y,Chen H,Chen G,Zhang J

更新日期：2011-01-01 00:00:00

abstract：:We have determined the three-dimensional structure of a non-selfcomplementary nonanucleotide duplex which contains an abasic (apyrimidinic) site in the centre, i.e. a deoxyribose residue opposite an adenosine. The majority of the base and sugar proton resonances were assigned by NOESY, COSY and 2DQF spectra in D2O and...

journal_title：Nucleic acids research

authors： Cuniasse P,Sowers LC,Eritja R,Kaplan B,Goodman MF,Cognet JA,LeBret M,Guschlbauer W,Fazakerley GV

更新日期：1987-10-12 00:00:00

abstract：:Microbial biosynthetic gene clusters are a valuable source of bioactive molecules. However, because they typically represent a small fraction of genomic material in most metagenomic samples, it remains challenging to deeply sequence them. We present an approach to isolate and sequence gene clusters in metagenomic samp...

journal_title：Nucleic acids research

authors： Xu P,Modavi C,Demaree B,Twigg F,Liang B,Sun C,Zhang W,Abate AR

更新日期：2020-05-07 00:00:00

abstract：:Double-stranded oligonucleotides (ODNs) containing the consensus binding sequence of a transcription factor provide a rationally designed tool to manipulate gene expression at the transcriptional level by the decoy approach. However, modifications introduced into oligonucleotides to increase stability quite often do n...

journal_title：Nucleic acids research

authors： Crinelli R,Bianchi M,Gentilini L,Palma L,Sørensen MD,Bryld T,Babu RB,Arar K,Wengel J,Magnani M

更新日期：2004-03-29 00:00:00