Comparative base compositions of chloroplast and cytoplasmic tRNAPhe's from Euglena gracilis.

abstract：:A pan-genome is the union of the gene sets of all the individuals of a clade or a species and it provides a new dimension of genome complexity with the presence/absence variations (PAVs) of genes among these genomes. With the progress of sequencing technologies, pan-genome study is becoming affordable for eukaryotes w...

journal_title：Nucleic acids research

authors： Sun C,Hu Z,Zheng T,Lu K,Zhao Y,Wang W,Shi J,Wang C,Lu J,Zhang D,Li Z,Wei C

更新日期：2017-01-25 00:00:00

abstract：:The potency of the immune response has still to be harnessed effectively to combat human cancers. However, the discovery of T-cell targets in melanomas and other tumors has raised the possibility that cancer vaccines can be used to induce a therapeutically effective immune response against cancer. The targets, cancer-...

journal_title：Nucleic acids research

authors： Almeida LG,Sakabe NJ,deOliveira AR,Silva MC,Mundstein AS,Cohen T,Chen YT,Chua R,Gurung S,Gnjatic S,Jungbluth AA,Caballero OL,Bairoch A,Kiesler E,White SL,Simpson AJ,Old LJ,Camargo AA,Vasconcelos AT

更新日期：2009-01-01 00:00:00

abstract：:We have prepared several novel phosphoramidites and have synthesised oligonucleotides incorporating them internally. The presence of these residues in an oligonucleotide template presents an impossible barrier to primed synthesis by Taq DNA polymerase. When extended as polymerase chain reaction products, these oligonu...

journal_title：Nucleic acids research

authors： Newton CR,Holland D,Heptinstall LE,Hodgson I,Edge MD,Markham AF,McLean MJ

更新日期：1993-03-11 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

abstract：:DNA mismatches that occur between vector homology arms and chromosomal target sequences reduce gene targeting frequencies in several species; however, this has not been reported in human cells. Here we demonstrate that even a single mismatched base pair can significantly decrease human gene targeting frequencies. In a...

journal_title：Nucleic acids research

authors： Deyle DR,Li LB,Ren G,Russell DW

更新日期：2014-03-01 00:00:00

abstract：:A study of the activity of deoxyribonucleotide-substituted analogs of the hammerhead domain of RNA catalysis has led to the design of a 14mer oligomer composed entirely of deoxyribonucleotides that promotes the cleavage of an RNA substrate. Characterization of this reaction with sequence variants and mixed DNA/RNA oli...

journal_title：Nucleic acids research

authors： Chartrand P,Harvey SC,Ferbeyre G,Usman N,Cedergren R

更新日期：1995-10-25 00:00:00

abstract：:The binding kinetics of NF-kappaB p50 to the Ig-kappaB site and to a DNA duplex with no specific binding site were determined under varying conditions of potassium chloride concentration using a surface plasmonresonance biosensor. Association and dissociation rate constants were measured enabling calculation of the di...

journal_title：Nucleic acids research

authors： Hart DJ,Speight RE,Cooper MA,Sutherland JD,Blackburn JM

更新日期：1999-02-15 00:00:00

abstract：:DNA helicases are motor proteins that catalyze the unwinding of double-stranded DNA into single-stranded DNA using the free energy from ATP hydrolysis. Single molecule approaches enable us to address detailed mechanistic questions about how such enzymes move processively along DNA. Here, an optical method has been dev...

journal_title：Nucleic acids research

authors： Fili N,Mashanov GI,Toseland CP,Batters C,Wallace MI,Yeeles JT,Dillingham MS,Webb MR,Molloy JE

更新日期：2010-07-01 00:00:00

abstract：:Quantitative real-time PCR (qPCR) is the method of choice for specific and sensitive quantification of nucleic acids. However, data validation is still a major issue, partially due to the complex effect of PCR inhibition on the results. If undetected PCR inhibition may severely impair the accuracy and sensitivity of r...

journal_title：Nucleic acids research

authors： Bar T,Kubista M,Tichopad A

更新日期：2012-02-01 00:00:00

abstract：:Replication protein A (RPA) plays a critical role in all eukaryotic DNA processing involving single-stranded DNA (ssDNA). Contrary to the notion that RPA provides solely inert protection to transiently formed ssDNA, the RPA-ssDNA complex acts as a dynamic DNA processing unit. Here, we studied the diffusion of RPA alon...

journal_title：Nucleic acids research

authors： Mishra G,Bigman LS,Levy Y

更新日期：2020-02-28 00:00:00

abstract：:A mathematical model and a computer simulation were used to study PCR specificity. The model describes the occurrences of non-targeted PCR products formed through random primer-template interactions. The PCR simulation scans DNA sequence databases with primers pairs. According to the model prediction, PCR with complex...

journal_title：Nucleic acids research

authors： Rubin E,Levy AA

更新日期：1996-09-15 00:00:00

abstract：:An open reading frame upstream from nifHDK operon of Klebsiella pneumoniae had been described. The orientation of this open reading frame is opposite to that of nifHDK and sequence homology was found between the open reading frame promoter and the promoter of nifHDK operon. A recombinant plasmid carrying the promoter ...

journal_title：Nucleic acids research

authors： Shen SC,Xue ZT,Kong QI,Wu QL

更新日期：1983-06-25 00:00:00

abstract：:Revealing the clonal composition of a single tumor is essential for identifying cell subpopulations with metastatic potential in primary tumors or with resistance to therapies in metastatic tumors. Sequencing technologies provide only an overview of the aggregate of numerous cells. Computational approaches to de-mix a...

journal_title：Nucleic acids research

authors： Strino F,Parisi F,Micsinai M,Kluger Y

更新日期：2013-09-01 00:00:00

abstract：:The CABS-fold web server provides tools for protein structure prediction from sequence only (de novo modeling) and also using alternative templates (consensus modeling). The web server is based on the CABS modeling procedures ranked in previous Critical Assessment of techniques for protein Structure Prediction competi...

journal_title：Nucleic acids research

authors： Blaszczyk M,Jamroz M,Kmiecik S,Kolinski A

更新日期：2013-07-01 00:00:00

abstract：:Two similar, but not identical, models have been proposed for the amino acid-base pair contacts in the CAP-DNA complex ('Model I,' Weber, I. and Steitz, T., Proc. Natl. Acad. Sci. USA, 81, 3973-3977, 1984; 'Model II,' Ebright, et al., Proc. Natl. Acad. Sci. USA, 81, 7274-7278, 1984). One difference between the two mod...

journal_title：Nucleic acids research

authors： Gunasekera A,Ebright YW,Ebright RH

更新日期：1990-12-11 00:00:00

abstract：:Smad proteins transduce signals from transforming growth factor-beta (TGF-beta) receptors and regulate transcription of target genes. TGF-beta is implicated in the regulation of the smooth muscle cell specific gene SM22alpha, but little is known about how Smads are involved in SM22alpha gene transcription. In this rep...

journal_title：Nucleic acids research

authors： Chen S,Kulik M,Lechleider RJ

更新日期：2003-02-15 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：:The structural simplicity and ability to capture serial correlations make Markov models a popular modeling choice in several genomic analyses, such as identification of motifs, genes and regulatory elements. A critical, yet relatively unexplored, issue is the determination of the order of the Markov model. Most biolog...

journal_title：Nucleic acids research

authors： Narlikar L,Mehta N,Galande S,Arjunwadkar M

更新日期：2013-02-01 00:00:00

abstract：:The vitamin D receptor mediates the signal of 1 alpha, 25-dihydroxyvitamin D3 by binding to vitamin D responsive elements in DNA as a homodimer or as a heterodimer composed of one vitamin D receptor subunit and one retinoid X receptor subunit. We have mapped the dimerization interfaces of the vitamin D receptor that i...

journal_title：Nucleic acids research

authors： Nishikawa J,Kitaura M,Imagawa M,Nishihara T

更新日期：1995-02-25 00:00:00

abstract：:We present the complete sequence of an mRNA which is induced by estrogen in the human breast cancer cell line MCF-7 [pS2 mRNA, Masiakowski et al., Nucleic Acids Res. 10, 7895-7903 (1982)]. Primer extension and cloning of double-stranded cDNA (ds-cDNA) into a vector designed to make full-length cDNA were used to determ...

journal_title：Nucleic acids research

authors： Jakowlew SB,Breathnach R,Jeltsch JM,Masiakowski P,Chambon P

更新日期：1984-03-26 00:00:00

abstract：:DNA strand exchange, the central step of homologous recombination, is considered to occur approximately independently of DNA sequence content. However, certain prokaryotic and eukaryotic genomic loci display either an enhanced or reduced frequency of genetic exchange. Here we show that the Homo sapiens DNA strand exch...

journal_title：Nucleic acids research

authors： Seitz EM,Kowalczykowski SC

更新日期：2006-05-24 00:00:00

abstract：:During carcinogenesis, cells are exposed to increased replication stress due to replication fork arrest at sites of DNA lesions and difficult to replicate genomic regions. Efficient fork restart and DNA repair are important for cancer cell proliferation. We previously showed that the ADP-ribosyltransferase PARP10 inte...

journal_title：Nucleic acids research

authors： Schleicher EM,Galvan AM,Imamura-Kawasawa Y,Moldovan GL,Nicolae CM

更新日期：2018-09-28 00:00:00

abstract：:Bacterial retrons consist of a reverse transcriptase (RT) and a contiguous non-coding RNA (ncRNA) gene. One third of annotated retrons carry additional open reading frames (ORFs), the contribution and significance of which in retron biology remains to be determined. In this study we developed a computational pipeline ...

journal_title：Nucleic acids research

authors： Mestre MR,González-Delgado A,Gutiérrez-Rus LI,Martínez-Abarca F,Toro N

更新日期：2020-12-16 00:00:00

abstract：:Here, we present an update of Breast Cancer Now Tissue Bank bioinformatics, a rich platform for the sharing, mining, integration and analysis of breast cancer data. Its modalities provide researchers with access to a centralised information gateway from which they can access a network of bioinformatic resources to que...

journal_title：Nucleic acids research

authors： Gadaleta E,Pirrò S,Dayem Ullah AZ,Marzec J,Chelala C

更新日期：2018-01-04 00:00:00

abstract：:Synthesis of HIV GagPol involves a proportion of ribosomes translating a U6A shift site at the distal end of the gag gene performing a programmed -1 ribosomal frameshift event to enter the overlapping pol gene. In vitro studies here show that at the same shift motif HIV reverse transcriptase generates -1 and +1 indels...

journal_title：Nucleic acids research

authors： Penno C,Kumari R,Baranov PV,van Sinderen D,Atkins JF

更新日期：2017-09-29 00:00:00

abstract：:Rad51 protein promotes homologous recombination in eukaryotes. Recombination activities are activated by Rad51 filament assembly on ssDNA. Previous studies of yeast Rad51 showed that His352 occupies an important position at the filament interface, where it could relay signals between subunits and active sites. To inve...

journal_title：Nucleic acids research

authors： Chen J,Villanueva N,Rould MA,Morrical SW

更新日期：2010-08-01 00:00:00

abstract：:For the first time mosaic nucleic acids composed of 50% RNA and 50% DNA can be obtained as transcripts with T7 RNA polymerase. Two NTPs could be replaced simultaneously in a transcription reaction. This means more than 40 deoxynucleotides were inserted in one transcript. Previously, a maximum of two deoxynucleotides c...

journal_title：Nucleic acids research

authors： Conrad F,Hanne A,Gaur RK,Krupp G

更新日期：1995-06-11 00:00:00

abstract：:In this article, we introduce the Gypsy Database (GyDB) of mobile genetic elements, an in-progress database devoted to the non-redundant analysis and evolutionary-based classification of mobile genetic elements. In this first version, we contemplate eukaryotic Ty3/Gypsy and Retroviridae long terminal repeats (LTR) ret...

journal_title：Nucleic acids research

authors： Lloréns C,Futami R,Bezemer D,Moya A

更新日期：2008-01-01 00:00:00

abstract：:We characterised the human hSuv3p protein belonging to the family of NTPases/helicases. In yeast mitochondria the hSUV3 orthologue is a component of the degradosome complex and participates in mtRNA turnover and processing, while in Caenorhabditis elegans the hSUV3 orthologue is necessary for viability of early embryo...

journal_title：Nucleic acids research

authors： Minczuk M,Piwowarski J,Papworth MA,Awiszus K,Schalinski S,Dziembowski A,Dmochowska A,Bartnik E,Tokatlidis K,Stepien PP,Borowski P

更新日期：2002-12-01 00:00:00

abstract：:Abasic sites (AP-sites) are frequent DNA lesions, arising by spontaneous base hydrolysis or as intermediates of base excision repair (BER). The hemiacetal at the anomeric centre renders them chemically reactive, which presents a challenge to biochemical and structural investigation. Chemically more stable AP-site anal...

journal_title：Nucleic acids research

authors： Schuermann D,Scheidegger SP,Weber AR,Bjørås M,Leumann CJ,Schär P

更新日期：2016-03-18 00:00:00