UTRdb and UTRsite: specialized databases of sequences and functional elements of 5' and 3' untranslated regions of eukaryotic mRNAs. Update 2002.

abstract：:ProPortal (http://proportal.mit.edu/) is a database containing genomic, metagenomic, transcriptomic and field data for the marine cyanobacterium Prochlorococcus. Our goal is to provide a source of cross-referenced data across multiple scales of biological organization--from the genome to the ecosystem--embracing the f...

journal_title：Nucleic acids research

authors： Kelly L,Huang KH,Ding H,Chisholm SW

更新日期：2012-01-01 00:00:00

abstract：:Genetic screens in Saccharomyces cerevisiae have identified the roles of ribosome components, tRNAs and translation factors in translational fidelity. These screens rely on the suppression of altered start codons, nonsense codons or frameshift mutations in genes involved in amino acid or nucleotide metabolism. Many of...

journal_title：Nucleic acids research

authors： Magazinnik T,Anand M,Sattlegger E,Hinnebusch AG,Kinzy TG

更新日期：2005-08-12 00:00:00

abstract：:The occurrence of DNA tracts of the three binary base combinations: R.Y, K.M and W;S has been mapped in the complete genomes of Haemophilus influenzae and Escherichia coli. A highly significant over-representation of W tracts is observed in both bacteria. The excess of W tracts is particularly striking in the 10% inte...

journal_title：Nucleic acids research

authors： Shomer B,Yagil G

更新日期：1999-11-15 00:00:00

abstract：:The circular dichroism spectra of Hg(II) complexes with native calf thymus DNA, chemically methylated Streptomyces chrysomallus DNA and with Ag(I)-DNA complexes were measured in the region of 220 - 340 nm. As a main result a conversion of the conservative CD spectrum of DNA to a distinct nonconservative type of CD spe...

journal_title：Nucleic acids research

authors： Walter A,Luck G

更新日期：1977-03-01 00:00:00

abstract：:In nematodes, the 22 nucleotide (nt) spliced leader (SL) is normally encoded by a multi-copy, tandemly reiterated SL gene and is trans-spliced from SL-RNA onto the 5' end of a subset of mRNAs. We have found that the SL is also encoded at multiple (> 100) orphon genomic sites in the parasitic nematode Angiostrongylus c...

journal_title：Nucleic acids research

authors： Joshua GW,Perler FB,Wang CC

更新日期：1995-03-25 00:00:00

abstract：:A minizyme is a hammerhead ribozyme with short oligonucleotide linkers instead of stem-loop II. In a previous study we demonstrated that a minizyme with high activity forms a dimeric structure with a common stem II. Because of their dimeric structure, minizymes are potentially capable of cleaving a substrate at two di...

journal_title：Nucleic acids research

authors： Kuwabara T,Amontov SV,Warashina M,Ohkawa J,Taira K

更新日期：1996-06-15 00:00:00

abstract：:Silencing gene expression by siRNAs is rapidly becoming a powerful tool for the genetic analysis of mammalian cells. However, the rapid degradation of siRNA and the limited duration of its action call for an efficient delivery technology. Accordingly, we describe here that Atelocollagen complexed with siRNA is resista...

journal_title：Nucleic acids research

authors： Minakuchi Y,Takeshita F,Kosaka N,Sasaki H,Yamamoto Y,Kouno M,Honma K,Nagahara S,Hanai K,Sano A,Kato T,Terada M,Ochiya T

更新日期：2004-07-22 00:00:00

abstract：:During protein synthesis, the nascent peptide chain traverses the peptide exit tunnel of the ribosome. We monitor the co-translational movement of the nascent peptide using a fluorescent probe attached to the N-terminus of the nascent chain. Due to fluorophore quenching, the time-dependent fluorescence signal emitted ...

journal_title：Nucleic acids research

authors： Haase N,Holtkamp W,Lipowsky R,Rodnina M,Rudorf S

更新日期：2018-12-14 00:00:00

abstract：:In vivo footprinting experiments, augmented with gel shift and transfection analyses suggest that activation of the CYP1A1 gene by aryl hydrocarbons may be a multicomponent process. During the first 30 minutes of exposure to aryl hydrocarbon carcinogens and environmental contaminants, in vivo footprints appear at nine...

journal_title：Nucleic acids research

authors： Robertson RW,Zhang L,Pasco DS,Fagan JB

更新日期：1994-05-11 00:00:00

abstract：:Yaf9 is an integral part of the NuA4 acetyltransferase and the SWR1 chromatin remodeling complexes. Here, we show that Yaf9 associates with acetylated histone H3 with high preference for H3K27ac. The crystal structure of the Yaf9 YEATS domain bound to the H3K27ac peptide reveals that the sequence C-terminal to K27ac s...

journal_title：Nucleic acids research

authors： Klein BJ,Ahmad S,Vann KR,Andrews FH,Mayo ZA,Bourriquen G,Bridgers JB,Zhang J,Strahl BD,Côté J,Kutateladze TG

更新日期：2018-01-09 00:00:00

abstract：:Many infectious diseases are caused by viral infections, and in particular by RNA viruses such as MERS, Ebola and Zika. To understand viral disease, detection and identification of these viruses are essential. Although PCR is widely used for rapid virus identification due to its low cost and high sensitivity and speci...

journal_title：Nucleic acids research

authors： Kim H,Kang N,An K,Kim D,Koo J,Kim MS

更新日期：2017-01-04 00:00:00

abstract：:African trypanosomes are extracellular protozoan parasites that are transmitted from one mammalian host to the next by tsetse flies. Bloodstream forms express variant surface glycoprotein (VSG); the tsetse fly (procyclic) forms express instead the procyclic acidic repetitive protein (PARP). PARP mRNA is abundant in pr...

journal_title：Nucleic acids research

authors： Biebinger S,Rettenmaier S,Flaspohler J,Hartmann C,Peña-Diaz J,Wirtz LE,Hotz HR,Barry JD,Clayton C

更新日期：1996-04-01 00:00:00

abstract：:The centromere complex is a multicomponent structure essential for faithful chromosome transmission. Here we show that the S. cerevisiae centromere protein Cpf1 bends centromere DNA element I (CDEI) with the bend angle ranging from 66 degrees to 71 degrees. CDEI DNA sequences that carry point mutations which lead to r...

journal_title：Nucleic acids research

authors： Niedenthal RK,Sen-Gupta M,Wilmen A,Hegemann JH

更新日期：1993-10-11 00:00:00

abstract：:Bacterial Hfq is a protein that plays an important role in the regulation of genes in cooperation with sRNAs. Escherichia coli Hfq (EcHfq) has two or more sites that bind RNA(s) including U-rich and/or the poly(A) tail of mRNA. However, functional and structural information about Bacillus subtilis Hfq (BsHfq) includin...

journal_title：Nucleic acids research

authors： Someya T,Baba S,Fujimoto M,Kawai G,Kumasaka T,Nakamura K

更新日期：2012-02-01 00:00:00

abstract：:Atomistic molecular dynamics (MD) simulations generate a wealth of information related to the dynamics of proteins. If properly analyzed, this information can lead to new insights regarding protein function and assist wet-lab experiments. Aiming to identify interactions between individual amino acid residues and the r...

journal_title：Nucleic acids research

authors： Serçinoglu O,Ozbek P

更新日期：2018-07-02 00:00:00

abstract：:The Gene Expression Atlas (http://www.ebi.ac.uk/gxa) is an added-value database providing information about gene expression in different cell types, organism parts, developmental stages, disease states, sample treatments and other biological/experimental conditions. The content of this database derives from curation, ...

journal_title：Nucleic acids research

authors： Kapushesky M,Emam I,Holloway E,Kurnosov P,Zorin A,Malone J,Rustici G,Williams E,Parkinson H,Brazma A

更新日期：2010-01-01 00:00:00

abstract：:A non-redundant database of nuclear, protein-encoding, genomic DNA sequences highlighting nuclear pre-mRNA introns was constructed using information contained in the SWISS-PROT and GenBank sequence databases. This Intron DataBase (IDB) contains information about (i) introns (including nucleotide sequence, location, ph...

journal_title：Nucleic acids research

authors： Schisler NJ,Palmer JD

更新日期：2000-01-01 00:00:00

abstract：:Foldback DNA, prepared from mouse and Scilla sibirica main band DNA, and from rye (Secale cereale) total DNA, was characterised by denaturation, renaturation, and electron microscopy. 3H-cRNA of this DNA was hybridised in situ to nuclei and chromosomes of the respective species. There is no universal labelling pattern...

journal_title：Nucleic acids research

authors： Deumling B

更新日期：1978-10-01 00:00:00

abstract：:A protein-DNA complex has less gel electrophoretic mobility than the free DNA fragment. One parameter for the degree of retardation of a linear DNA fragment in a protein-DNA complex is the molecular weight of the bound protein(s). The quotient of the migration distances of free DNA (m) and protein-DNA complex (m') is ...

journal_title：Nucleic acids research

authors： Bading H

更新日期：1988-06-24 00:00:00

abstract：:Using a powerful computer-assisted analysis strategy, a large-scale search of small nucleolar RNA (snoRNA) genes in the recently released draft sequence of the rice genome was carried out. This analysis identified 120 different box C/D snoRNA genes with a total of 346 gene variants, which were predicted to guide 135 2...

journal_title：Nucleic acids research

authors： Chen CL,Liang D,Zhou H,Zhuo M,Chen YQ,Qu LH

更新日期：2003-05-15 00:00:00

abstract：:A novel, site-specific, DNA backbone S-modification (phosphorothioation) has been discovered, but its in vivo function(s) have remained obscure. Here, we report that the enteropathogenic Salmonella enterica serovar Cerro 87, which possesses S-modified DNA, restricts DNA isolated from Escherichia coli, while protecting...

journal_title：Nucleic acids research

authors： Xu T,Yao F,Zhou X,Deng Z,You D

更新日期：2010-11-01 00:00:00

abstract：:Single-molecule force spectroscopy provides insight into how proteins bind to and move along DNA. Such studies often embed a single-stranded (ss) DNA region within a longer double-stranded (ds) DNA molecule. Yet, producing these substrates remains laborious and inefficient, particularly when using the traditional thre...

journal_title：Nucleic acids research

authors： Okoniewski SR,Uyetake L,Perkins TT

更新日期：2017-10-13 00:00:00

abstract：:PubChem (http://pubchem.ncbi.nlm.nih.gov) is a public repository for biological activity data of small molecules and RNAi reagents. The mission of PubChem is to deliver free and easy access to all deposited data, and to provide intuitive data analysis tools. The PubChem BioAssay database currently contains 500,000 des...

journal_title：Nucleic acids research

authors： Wang Y,Xiao J,Suzek TO,Zhang J,Wang J,Zhou Z,Han L,Karapetyan K,Dracheva S,Shoemaker BA,Bolton E,Gindulyte A,Bryant SH

更新日期：2012-01-01 00:00:00

abstract：:Human telomerase is a ribonucleoprotein which uses its internal RNA moiety as a template for telomeric DNA synthesis. This enzyme is up-regulated in most malignant tumors and is therefore considered as a possible cancer target. Here we examined the effects of differently modified oligomers on telomeraseactivity from H...

journal_title：Nucleic acids research

authors： Matthes E,Lehmann C

更新日期：1999-02-15 00:00:00

abstract：:Many mutations occur as a result of DNA synthesis past the site of DNA damage by DNA damage bypass polymerases. The frequency and types of mutations not only depend on the nature of the damage, but also on the sequence context, as revealed from analysis of mutation spectra of DNA exposed to mutagens. Herein we report ...

journal_title：Nucleic acids research

authors： Fang H,Taylor JS

更新日期：2008-10-01 00:00:00

abstract：:Small RNA (sRNA)-mediated gene silencing phenomena, exemplified by RNA interference (RNAi), require a unique class of proteins called Argonautes (AGOs). An AGO protein typically forms a protein-sRNA complex that contributes to gene silencing using the loaded sRNA as a specificity determinant. Here, we show that MoAGO2...

journal_title：Nucleic acids research

authors： Nguyen Q,Iritani A,Ohkita S,Vu BV,Yokoya K,Matsubara A,Ikeda KI,Suzuki N,Nakayashiki H

更新日期：2018-03-16 00:00:00

abstract：:The hexametric T7 helicase (gp4) adopts a spiral lock-washer form and encircles a coil-like DNA (tracking) strand with two nucleotides bound to each subunit. However, the chemo-mechanical coupling mechanism in unwinding has yet to be elucidated. Here, we utilized nanotensioner-enhanced Förster resonance energy transfe...

journal_title：Nucleic acids research

authors： Ma JB,Chen Z,Xu CH,Huang XY,Jia Q,Zou ZY,Mi CY,Ma DF,Lu Y,Zhang HD,Li M

更新日期：2020-04-06 00:00:00

abstract：:Bacteria core RNA polymerase (RNAP) must associate with a sigma factor to recognize promoter sequences. Promoters recognized by the sigma(54) (or sigma(N)) associated RNA polymerase are unique in having conserved positions around -24 and -12 nucleotides upstream from the transcriptional start site. Using DNA microarra...

journal_title：Nucleic acids research

authors： Zhao K,Liu M,Burgess RR

更新日期：2010-03-01 00:00:00

abstract：:NMR methods were used to investigate a series of mutants of the pseudoknot within the gene 32 messenger RNA of bacteriophage T2, for the purpose of investigating the range of sequences, stem and loop lengths that can form a similar pseudoknot structure. This information is of particular relevance since the T2 pseudokn...

journal_title：Nucleic acids research

authors： Du Z,Hoffman DW

更新日期：1997-03-15 00:00:00

abstract：:Recently, we developed a mass DNA-mediated transformation technique for the ciliated protozoan Tetrahymena thermophila that introduces transforming DNA by electroporation into conjugating cells. Other studies demonstrated that a neomycin resistance gene flanked by Tetrahymena H4-I gene regulatory sequences transformed...

journal_title：Nucleic acids research

authors： Gaertig J,Gu L,Hai B,Gorovsky MA

更新日期：1994-12-11 00:00:00