The putative promoter of a Xenopus laevis ribosomal gene is reduplicated.

abstract：:Over the past 10 years, fluorescent end-labeling of DNA fragments has evolved into the preferred method of DNA detection for a wide variety of applications, including DNA sequencing and PCR fragment analysis. One of the advantages inherent in fluorescent detection methods is the ability to perform multi-color analyses...

journal_title：Nucleic acids research

authors： Tu O,Knott T,Marsh M,Bechtol K,Harris D,Barker D,Bashkin J

更新日期：1998-06-01 00:00:00

abstract：:The alternation/deficiency in activation-3 (ADA3) is an essential component of the human p300/CBP-associated factor (PCAF) and yeast Spt-Ada-Gcn5-acetyltransferase (SAGA) histone acetyltransferase complexes. These complexes facilitate transactivation of target genes by association with transcription factors and modifi...

journal_title：Nucleic acids research

authors： Li CW,Ai N,Dinh GK,Welsh WJ,Chen JD

更新日期：2010-09-01 00:00:00

abstract：:Heteroduplexes between the viral DNA of phiX174 and DNA from the replicative form (RF) of phage G4 were examined by electron microscopy. The single Eco RI site of G4-RF was utilized as a physical marker by preparing the heteroduplexes from the denatured, linear DNA obtained by restricting G4-RF with Eco RI endonucleas...

journal_title：Nucleic acids research

authors： Smiley BL,Warner RC

更新日期：1979-01-01 00:00:00

abstract：:We have explored the functional relationships between spliceosome and Microprocessor complex activities in a novel class of microRNAs (miRNAs), named Splice site Overlapping (SO) miRNAs, whose pri-miRNA hairpins overlap splice sites. We focused on the evolutionarily conserved SO miR-34b, and we identified two indispen...

journal_title：Nucleic acids research

authors： Mattioli C,Pianigiani G,Pagani F

更新日期：2013-10-01 00:00:00

abstract：:Saccharomyces cerevisiae chl1 mutants have a significant increase in the rate of chromosome missegregation. CHL1 encodes a 99 kDa predicted protein with an ATP binding site consensus, a putative helix-turn-helix DNA binding motif, and homology to helicases. Using site-directed mutagenesis, I show that mutations that a...

journal_title：Nucleic acids research

authors： L Holloway S

更新日期：2000-08-15 00:00:00

abstract：:Corynebacterium diphtheriae is a Gram-positive, non-spore forming, non-motile, pleomorphic rod belonging to the genus Corynebacterium and the actinomycete group of organisms. The organism produces a potent bacteriophage-encoded protein exotoxin, diphtheria toxin (DT), which causes the symptoms of diphtheria. This pote...

journal_title：Nucleic acids research

authors： Cerdeño-Tárraga AM,Efstratiou A,Dover LG,Holden MT,Pallen M,Bentley SD,Besra GS,Churcher C,James KD,De Zoysa A,Chillingworth T,Cronin A,Dowd L,Feltwell T,Hamlin N,Holroyd S,Jagels K,Moule S,Quail MA,Rabbinowitsch E

更新日期：2003-11-15 00:00:00

abstract：:Recent studies employing genome-wide approaches have provided an unprecedented view of the scope of L1 activities on structural variations in the human genome, and further reinforced the role of L1s as one of the major driving forces behind human genome evolution. The rapid identification of novel L1 elements by these...

journal_title：Nucleic acids research

authors： Xie Y,Rosser JM,Thompson TL,Boeke JD,An W

更新日期：2011-02-01 00:00:00

abstract：:Reversion of T type cytoplasmic male sterility (cmsT) to fertility is correlated with sequence changes in a 1.5 kb AvaI fragment. This 1.5 kb AvaI fragment is composed of 5' flanking sequences of ATPase subunit 6, one complete open reading frame (ORF 13) and part of the another (ORF 25). The sequence of the 1.5 kb Ava...

journal_title：Nucleic acids research

authors： Qin J,Fauron CM,Brettell RI,Milhous M,Abbott AG

更新日期：1987-08-11 00:00:00

abstract：:Two dimensional (2D) NMR and molecular dynamics simulations have been used to determine the three dimensional (3D) structure of a hairpin DNA, d-CTA-GAGGATCC-TUTT-GGATCCT (22mer; abbreviated as U2-hairpin), which has uracil at the second position from the 5' end of the tetraloop. The(1)H resonances of this hairpin hav...

journal_title：Nucleic acids research

authors： Ghosh M,Vinay Kumar N,Varshney U,Chary KV

更新日期：2000-05-01 00:00:00

abstract：:PUF proteins, named for Drosophila Pumilio (PUM) and Caenorhabditis elegans fem-3-binding factor (FBF), recognize specific sequences in the mRNAs they bind and control. RNA binding by classical PUF proteins is mediated by a characteristic PUM homology domain (PUM-HD). The Puf1 and Puf2 proteins possess a distinct arch...

journal_title：Nucleic acids research

authors： Qiu C,Dutcher RC,Porter DF,Arava Y,Wickens M,Hall TMT

更新日期：2019-09-19 00:00:00

abstract：:RNase III enzymes cleave double stranded (ds)RNA. This is an essential step for regulating the processing of mRNA, rRNA, snoRNA and other small RNAs, including siRNA and miRNA. Arabidopsis thaliana encodes nine RNase III: four DICER-LIKE (DCL) and five RNASE THREE LIKE (RTL). To better understand the molecular functio...

journal_title：Nucleic acids research

authors： Charbonnel C,Niazi AK,Elvira-Matelot E,Nowak E,Zytnicki M,de Bures A,Jobet E,Opsomer A,Shamandi N,Nowotny M,Carapito C,Reichheld JP,Vaucheret H,Sáez-Vásquez J

更新日期：2017-11-16 00:00:00

abstract：:The ever growing number of completely sequenced prokaryotic genomes facilitates cross-species comparisons by genomic annotation algorithms. This paper introduces a new probabilistic framework for comparative genomic analysis and demonstrates its utility in the context of improving the accuracy of prokaryotic gene star...

journal_title：Nucleic acids research

authors： Walker M,Pavlovic V,Kasif S

更新日期：2002-07-15 00:00:00

abstract：:LINKER was developed as an online server to assist biomedical researchers to design linker sequences for constructing functional fusion proteins. The program automatically generates a set of peptide sequences that are known to adopt extended conformations as determined by X-ray crystallography and NMR. In addition to ...

journal_title：Nucleic acids research

authors： Xue F,Gu Z,Feng JA

更新日期：2004-07-01 00:00:00

abstract：:Mismatch Repair (MMR) is closely linked to DNA replication; however, other than the role of the replicative sliding clamp (PCNA) in various MMR functions, the linkage between DNA replication and MMR has been difficult to investigate. Here we use an in vitro DNA replication system based on simian virus 40, to investiga...

journal_title：Nucleic acids research

authors： Masih PJ,Kunnev D,Melendy T

更新日期：2008-01-01 00:00:00

abstract：:THY Pol-2 intein, from Thermococcus hydrothermalis, belongs to the same allelic family as TLI Pol-2 (PI-TLII), Tfu Pol-2 (PI-TFUII) and TspTY Pol-3 mini-intein, all inserted at the pol-c site of archaeal DNA polymerase genes. This new intein was cloned, expressed in Escherichia coli and purified. The intein is a speci...

journal_title：Nucleic acids research

authors： Saves I,Eleaume H,Dietrich J,Masson JM

更新日期：2000-11-01 00:00:00

abstract：:The stability of chromosome ends, the telomeres, is dependent on the ribonucleoprotein telomerase. In vitro, telomerase requires at least one RNA molecule and a reverse transcriptase-like protein. However, for telomere homeostasis in vivo, additional proteins are required. Telomerase RNAs of different species vary in ...

journal_title：Nucleic acids research

authors： Laterreur N,Eschbach SH,Lafontaine DA,Wellinger RJ

更新日期：2013-09-01 00:00:00

abstract：:The endoribonuclease RNase E is a key enzyme in RNA metabolism for many bacterial species. In Escherichia coli, RNase E contributes to the majority of RNA turnover and processing events, and the enzyme has been extensively characterized as the central component of the RNA degradosome assembly. A similar RNA degradosom...

journal_title：Nucleic acids research

authors： Voss JE,Luisi BF,Hardwick SW

更新日期：2014-12-01 00:00:00

abstract：:A set of programs is presented for the reconstruction of a DNA sequence from data generated by the M13 shotgun sequencing technique. Once the sequence has been established and stored other programs are used for its analysis. The programs have been written for the Apple II microcomputer. A minimum investment is require...

journal_title：Nucleic acids research

authors： Larson R,Messing J

更新日期：1982-01-11 00:00:00

abstract：:As more and more high-throughput data has been produced by next-generation sequencing, it is still a challenge to classify RNA transcripts into protein-coding or non-coding, especially for poorly annotated species. We upgraded our original coding potential calculator, CNCI (Coding-Non-Coding Index), to CNIT (Coding-No...

journal_title：Nucleic acids research

authors： Guo JC,Fang SS,Wu Y,Zhang JH,Chen Y,Liu J,Wu B,Wu JR,Li EM,Xu LY,Sun L,Zhao Y

更新日期：2019-07-02 00:00:00

abstract：:Large-scale cooperative helix opening has been previously observed in A + T rich sequences contained in supercoiled DNA molecules at elevated temperatures. Since it is well known that helix melting of linear DNA is suppressed by addition of salt, we have investigated the effects of added salts on opening transitions i...

journal_title：Nucleic acids research

authors： Bowater RP,Aboul-ela F,Lilley DM

更新日期：1994-06-11 00:00:00

abstract：:Cloned DNA from the EcoRI J fragment of EBV has been used as template for in vitro transcription experiments using cell-free extracts prepared from HeLa or KB cells. Two EBV specific RNAs each about 175 bases in length were synthesised and nuclease 51 mapping experiments determined that these in vitro products corresp...

journal_title：Nucleic acids research

authors： Jat P,Arrand JR

更新日期：1982-06-11 00:00:00

abstract：:Three clones of non-repetitive sequences and six clones containing repetitive sequences were obtained from micronuclear DNA of Tetrahymena thermophila. All the non-repetitive and three repetitive sequences had the same organization in micro- and macronuclear DNAs as revealed by blot hybridization. On the other hand, t...

journal_title：Nucleic acids research

authors： Iwamura Y,Sakai M,Muramatsu M

更新日期：1982-07-24 00:00:00

abstract：:The function of non-coding RNA genes largely depends on their secondary structure and the interaction with other molecules. Thus, an accurate prediction of secondary structure and RNA-RNA interaction is essential for the understanding of biological roles and pathways associated with a specific RNA gene. We present web...

journal_title：Nucleic acids research

authors： Seemann SE,Menzel P,Backofen R,Gorodkin J

更新日期：2011-07-01 00:00:00

abstract：:Two hexamer DNA fragments containing a carcinogenic modified base, O6-methyl guanine, have been synthesized by a solid-phase phosphotriester method, in which the unmodified guanine residues present were O6 protected with the 4-nitrophenylethyl group. These two alkylated oligonucleotides were found to have similar Tm's...

journal_title：Nucleic acids research

authors： Kuzmich S,Marky LA,Jones RA

更新日期：1983-05-25 00:00:00

abstract：:We have exploited properties of photosensitizers to study an aspect of the packing of chromatin in the cell nucleus. The fluorescent photosensitizers mesotetra(3-hydroxyphenyl) porphyrin and Photofrin II were both localized in the nuclear membrane and other membrane structures, but could not be found inside the nuclei...

journal_title：Nucleic acids research

authors： Kvam E,Stokke T,Moan J,Steen HB

更新日期：1992-12-25 00:00:00

abstract：:RNA helicases of the DEAD-box protein family form the largest group of helicases. The human DEAD-box protein 1 (DDX1) plays an important role in tRNA and mRNA processing, is involved in tumor progression and is also hijacked by several virus families such as HIV-1 for replication and nuclear export. Although important...

journal_title：Nucleic acids research

authors： Kellner JN,Reinstein J,Meinhart A

更新日期：2015-03-11 00:00:00

abstract：:Infrared Spectroscopy was used to determine the numbers of base pairs for yeast 5S RNA and 5.8S RNA. The spectra were recorded at 20 degrees C and 50 degrees C, where tertiary interactions are assumed to be of less importance. It may be concluded that the structure of both RNAs is highly ordered and that there are lar...

journal_title：Nucleic acids research

authors： Stulz J,Ackermann T,Appel B,Erdmann VA

更新日期：1981-08-11 00:00:00

abstract：:The Dnd (DNA degradation) phenotype, reflecting a novel DNA modification by sulfur in Streptomyces lividans 1326, was strongly aggravated when one (dndB) of the five genes (dndABCDE) controlling it was mutated. Electrophoretic banding patterns of a plasmid (pHZ209), reflecting DNA degradation, displayed a clear change...

journal_title：Nucleic acids research

authors： Liang J,Wang Z,He X,Li J,Zhou X,Deng Z

更新日期：2007-01-01 00:00:00

abstract：:The -175 T greater than C mutation in the promoter of the A gamma- or G gamma-globin gene causes a 50-100 fold increase of the expression of the respective gene in adult erythroid cells (Hereditary Persistence of Fetal Hemoglobin). We show here that this mutation increases 3-9 fold the expression of a gamma-CAT report...

journal_title：Nucleic acids research

authors： Nicolis S,Ronchi A,Malgaretti N,Mantovani R,Giglioni B,Ottolenghi S

更新日期：1989-07-25 00:00:00

abstract：:Telomeres comprise the protective caps of natural chromosome ends and function in the suppression of DNA damage signaling and cellular senescence. Therefore, techniques used to determine telomere length are important in a number of studies, ranging from those investigating telomeric structure to effects on human disea...

journal_title：Nucleic acids research

authors： Göhring J,Fulcher N,Jacak J,Riha K

更新日期：2014-02-01 00:00:00