Crystal structure of a tick-borne flavivirus RNA-dependent RNA polymerase suggests a host adaptation hotspot in RNA viruses.

abstract：:The phenotypic adjustments of Mycobacterium tuberculosis are commonly inferred from the analysis of transcript abundance. While mechanisms of transcriptional regulation have been extensively analysed in mycobacteria, little is known about mechanisms that shape the transcriptome by regulating RNA decay rates. The aim o...

journal_title：Nucleic acids research

authors： Płociński P,Macios M,Houghton J,Niemiec E,Płocińska R,Brzostek A,Słomka M,Dziadek J,Young D,Dziembowski A

更新日期：2019-06-20 00:00:00

abstract：:We have developed an information repository named SpliceInfo to collect the occurrences of the four major alternative-splicing (AS) modes in human genome; these include exon skipping, 5'-alternative splicing, 3'-alternative splicing and intron retention. The dataset is derived by comparing the nucleotide and protein s...

journal_title：Nucleic acids research

authors： Huang HD,Horng JT,Lin FM,Chang YC,Huang CC

更新日期：2005-01-01 00:00:00

abstract：:To bridge the gap between the rising information needs of biological and medical researchers and the rapidly growing number of online bioinformatics resources, we have created the Online Bioinformatics Resources Collection (OBRC) at the Health Sciences Library System (HSLS) at the University of Pittsburgh. The OBRC, c...

journal_title：Nucleic acids research

authors： Chen YB,Chattopadhyay A,Bergen P,Gadd C,Tannery N

更新日期：2007-01-01 00:00:00

abstract：:The RecQ family of helicases is highly conserved both structurally and functionally from bacteria to humans. Defects in human RecQ helicases are associated with genetic diseases that are characterized by cancer predisposition and/or premature aging. RecQ proteins exhibit 3'-5' helicase activity and play critical roles...

journal_title：Nucleic acids research

authors： Choi S,Lee SW,Kim H,Ahn B

更新日期：2019-10-10 00:00:00

abstract：:Lambda exonuclease processively degrades one strand of double-stranded DNA (dsDNA) in the 5"-3" direction. To understand the mechanism through which this enzyme generates high processivity we are analyzing the first step in the reaction, namely the interaction of lambda exonuclease with the ends of substrate DNA. Endo...

journal_title：Nucleic acids research

authors： Mitsis PG,Kwagh JG

更新日期：1999-08-01 00:00:00

abstract：:Over 50 introns have been reported in archaeal rRNA genes (rDNAs), a subset of which nests putative homing endonuclease (HEase) genes. Here, we report the identification and characterization of a novel archaeal LAGLIDADG-type HEase, I-ApeKI [corrected], encoded by the ApeK1.S908 intron within the 16S rDNA of Aeropyrum...

journal_title：Nucleic acids research

authors： Nomura N,Morinaga Y,Shirai N,Sako Y

更新日期：2005-07-26 00:00:00

abstract：:An accurate and highly sensitive mutation detection assay has been developed. The assay is based on the detection of mispaired and unpaired bases by immobilized mismatch binding protein (Escherichia coli MutS). The assay can detect most mismatches and all single base substitution mutations, as well as small addition o...

journal_title：Nucleic acids research

authors： Wagner R,Debbie P,Radman M

更新日期：1995-10-11 00:00:00

abstract：:Many DNA modification and repair enzymes require access to DNA bases and therefore flip nucleotides. Restriction endonucleases (REases) hydrolyze the phosphodiester backbone within or in the vicinity of the target recognition site and do not require base extrusion for the sequence readout and catalysis. Therefore, the...

journal_title：Nucleic acids research

authors： Tamulaitis G,Zaremba M,Szczepanowski RH,Bochtler M,Siksnys V

更新日期：2007-01-01 00:00:00

abstract：:The budding yeast Saccharomyces cerevisiae is proving to be an useful and accurate model for eukaryotic DNA replication. It contains both DNA polymerase alpha (I) and delta (III). Recently, proliferating cell nuclear antigen (PCNA), which in mammalian cells is an auxiliary subunit of DNA polymerase delta and is essent...

journal_title：Nucleic acids research

authors： Bauer GA,Burgers PM

更新日期：1990-01-25 00:00:00

abstract：:Correlation of motif occurrences with gene expression intensity is an effective strategy for elucidating transcriptional cis-regulatory logic. Here we demonstrate that this approach can also identify cis-regulatory elements for alternative pre-mRNA splicing. Using data from a human exon microarray, we identified 56 ca...

journal_title：Nucleic acids research

authors： Das D,Clark TA,Schweitzer A,Yamamoto M,Marr H,Arribere J,Minovitsky S,Poliakov A,Dubchak I,Blume JE,Conboy JG

更新日期：2007-01-01 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：:A role for BRCA1 in the direct and indirect regulation of transcription is well established. However, a comprehensive view of the degree to which BRCA1 impacts transcriptional regulation on a genome-wide level has not been defined. We performed genome-wide expression profiling and ChIP-chip analysis, comparison of whi...

journal_title：Nucleic acids research

authors： Gorski JJ,Savage KI,Mulligan JM,McDade SS,Blayney JK,Ge Z,Harkin DP

更新日期：2011-12-01 00:00:00

abstract：:A novel expression system was established that allows expression and propagation of the human hepatitis B virus (HBV) genome in cultured animal cells. An overlength HBV genome encoding the viral pregenomic RNA was put under transcriptional control of the human metallothionein IIA promoter thereby replacing the endogen...

journal_title：Nucleic acids research

authors： Junker M,Galle P,Schaller H

更新日期：1987-12-23 00:00:00

abstract：:Ribosome synthesis involves the concomitance of pre-rRNA processing and ribosomal protein assembly. In eukaryotes, this is a complex process that requires the participation of specific sequences and structures within the pre-rRNAs, at least 200 trans-acting factors and the ribosomal proteins. There is little informati...

journal_title：Nucleic acids research

authors： Babiano R,de la Cruz J

更新日期：2010-08-01 00:00:00

abstract：:Activating sequence factor 1 (ASF-1) is a nuclear DNA-binding activity that is found in monocots and dicots. It interacts with several TGACG-containing elements that have been characterized from viral and T-DNA genes, the prototypes of which are the as-1 element of the CaMV 35S promoter and the ocs element from the oc...

journal_title：Nucleic acids research

authors： Lam E,Lam YK

更新日期：1995-09-25 00:00:00

abstract：:Plasmid DNA incubated in interphase Xenopus egg extracts is normally assembled into chromatin and then into synthetic nuclei which undergo one round of regulated replication. During a study of restriction endonuclease cut plasmid replication intermediates (RIs) by the Brewer-Fangman 2D gel electrophoresis technique, w...

journal_title：Nucleic acids research

authors： Lucas I,Hyrien O

更新日期：2000-05-15 00:00:00

abstract：:Comparative genome hybridization (CGH) to DNA microarrays (array CGH) is a technique capable of detecting deletions and duplications in genomes at high resolution. However, array CGH studies of the human genome noting false negative and false positive results using large insert clones as probes have raised important c...

journal_title：Nucleic acids research

authors： Price TS,Regan R,Mott R,Hedman A,Honey B,Daniels RJ,Smith L,Greenfield A,Tiganescu A,Buckle V,Ventress N,Ayyub H,Salhan A,Pedraza-Diaz S,Broxholme J,Ragoussis J,Higgs DR,Flint J,Knight SJ

更新日期：2005-06-16 00:00:00

abstract：:The targeted adduction of aflatoxin B1- exo -8,9-epoxide (AFB1- exo -8,9-epoxide) to a specific guanine within an oligodeoxyribonucleotide containing multiple guanines was achieved using a DNA triplex to control sequence selectivity. The oligodeoxyribonucleotide d(AGAGAAGATTTTCTTCTCTTTTTTTTCTCTT), designated '3G', spo...

journal_title：Nucleic acids research

authors： Jones WR,Stone MP

更新日期：1998-02-15 00:00:00

abstract：:During the past years, the advances in high-throughput technologies have produced an unprecedented growth in the number and size of repositories and databases storing relevant biological data. Today, there is more biological information than ever but, unfortunately, the current status of many of these repositories is ...

journal_title：Nucleic acids research

authors： Bleda M,Tarraga J,de Maria A,Salavert F,Garcia-Alonso L,Celma M,Martin A,Dopazo J,Medina I

更新日期：2012-07-01 00:00:00

abstract：:MicroRNAs are small non-coding RNAs that modulate gene expression at post-transcriptional level, playing a crucial role in cell differentiation and development. Recently, some reports have shown that a limited number of mammalian microRNAs are also involved in anti-viral defense. In this study, the analysis of the hep...

journal_title：Nucleic acids research

authors： Potenza N,Papa U,Mosca N,Zerbini F,Nobile V,Russo A

更新日期：2011-07-01 00:00:00

abstract：:Oxanine (O) is a deamination product derived from guanine with the nitrogen at the N1 position substituted by oxygen. Cytosine, thymine, adenine, guanine as well as oxanine itself can be incorporated by Klenow Fragment to pair with oxanine in a DNA template with similar efficiency, indicating that oxanine in DNA may c...

journal_title：Nucleic acids research

authors： Hitchcock TM,Gao H,Cao W

更新日期：2004-08-02 00:00:00

abstract：:The attachment of replicating DNA to a rapidly sedimenting nuclear structure was investigated by digestion with various nucleases. When DNA was gradually removed by DNase I, pulse label incorporated during either 1 min or during 1 hour in the presence of arabinosylcytosine, remained preferentially attached to the nucl...

journal_title：Nucleic acids research

authors： Dijkwel PA,Mullenders LH,Wanka F

更新日期：1979-01-01 00:00:00

abstract：:Chromosome stability is primarily determined by telomere length. TRF1 is the core subunit of shelterin that plays a critical role in telomere organization and replication. However, the dynamics of TRF1 in scenarios of telomere-processing activities remain elusive. Using single-molecule magnetic tweezers, we here inves...

journal_title：Nucleic acids research

authors： Li X,Wang M,Zheng W,Huang W,Wang Z,Jin K,Liu L,Yu Z

更新日期：2021-01-25 00:00:00

abstract：:Mammalian gene promoters for transcription by RNA polymerase II are typically organized in the following order: upstream sequence motif(s)/TATA box/initiation site. Here we report studies in which the order, orientation and DNA sequences of these three elements are varied to determine how these affect polarity of tran...

journal_title：Nucleic acids research

authors： Xu LC,Thali M,Schaffner W

更新日期：1991-12-25 00:00:00

abstract：:The National Genomics Data Center (NGDC), part of the China National Center for Bioinformation (CNCB), provides a suite of database resources to support worldwide research activities in both academia and industry. With the explosive growth of multi-omics data, CNCB-NGDC is continually expanding, updating and enriching...

journal_title：Nucleic acids research

authors： CNCB-NGDC Members and Partners.

更新日期：2021-01-08 00:00:00

abstract：:Ribosomes transit between two conformational states, non-rotated and rotated, through the elongation cycle. Here, we present evidence that an internal loop in the essential yeast ribosomal protein rpL10 is a central controller of this process. Mutations in this loop promote opposing effects on the natural equilibrium ...

journal_title：Nucleic acids research

authors： Sulima SO,Gülay SP,Anjos M,Patchett S,Meskauskas A,Johnson AW,Dinman JD

更新日期：2014-02-01 00:00:00

abstract：:The DNA sequences at and around the junctions between viral and cellular DNA in the polyoma virus transformed mouse cell line, TS-A-3T3, have been determined. No common sequence specificity or structural features at the joins have been observed. The sequence indicates that the 94K truncated large T antigen found in TS...

journal_title：Nucleic acids research

authors： Ruley HE,Lania L,Chaudry F,Fried M

更新日期：1982-08-11 00:00:00

abstract：:Human T-cell leukemia virus type 1 (HTLV-1) is the etiological agent of adult T-cell leukemia (ATL). The HTLV-1 basic leucine zipper protein (HBZ) is expressed in all cases of ATL and is directly associated with virus pathogenicity. The two isoforms of the HBZ protein are synthesized from antisense messenger RNAs (mRN...

journal_title：Nucleic acids research

authors： Cáceres CJ,Angulo J,Lowy F,Contreras N,Walters B,Olivares E,Allouche D,Merviel A,Pino K,Sargueil B,Thompson SR,López-Lastra M

更新日期：2018-11-16 00:00:00

abstract：:An oligodeoxyribonucleotide, d(GCTCACAAT-X-ATTGTGAGC), where X represents a hexaethylene glycol chain, was studied using circular dichroism spectroscopy. Its conformation and conformational stability were compared to those of compounds where X was replaced by four thymines and to the duplex of same sequence without lo...

journal_title：Nucleic acids research

authors： Durand M,Chevrie K,Chassignol M,Thuong NT,Maurizot JC

更新日期：1990-11-11 00:00:00

abstract：:Current knowledge of parameters affecting RNA stability is very restricted in plants. Here we investigated factors which might contribute to the stability of a particular plant messenger RNA. To this end, insertion and deletion mutants were made in two different exons and an intron of the transcribed region of a well ...

journal_title：Nucleic acids research

authors： Vancanneyt G,Rosahl S,Willmitzer L

更新日期：1990-05-25 00:00:00