Heat effects on DNA repair after ionising radiation: hyperthermia commonly increases the number of non-repaired double-strand breaks and structural rearrangements.

abstract：:pS194 is a naturally occurring Staphylococcus aureus plasmid encoding streptomycin resistance. The plasmid has a copy number of about 25 per cell, and belongs to the inc5 incompatibility group. The nucleotide sequence of pS194 has been determined and consists of 4397 base pairs including four open reading frames poten...

journal_title：Nucleic acids research

authors： Projan SJ,Moghazeh S,Novick RP

更新日期：1988-03-25 00:00:00

abstract：:Augmented biological activity in vitro has been demonstrated in oligonucleotides (oligos) modified to provide nuclease resistance, to enhance cellular uptake or to increase target affinity. How chemical modification affects the duration of effect of an oligo with potent activity has not been investigated directly. We ...

journal_title：Nucleic acids research

authors： Tam RC,Li Y,Noonberg S,Hwang DG,Lui G,Hunt CA,Garovoy MR

更新日期：1994-03-25 00:00:00

abstract：:MicroRNAs (miRNAs) are small non-coding RNAs that mediate gene expression at the post-transcriptional and translational levels by an imperfect binding to target mRNA 3'UTR regions. While the ab-initio computational prediction of miRNA-mRNA interactions still poses significant challenges, it is possible to overcome som...

journal_title：Nucleic acids research

authors： Sales G,Coppe A,Bicciato S,Bortoluzzi S,Romualdi C

更新日期：2010-04-01 00:00:00

abstract：:S/MARt DB, the S/MAR transaction database, is a relational database covering scaffold/matrix attached regions (S/MARs) and nuclear matrix proteins that are involved in the chromosomal attachment to the nuclear scaffold. The data are mainly extracted from original publications, but a World Wide Web interface for direct...

journal_title：Nucleic acids research

authors： Liebich I,Bode J,Frisch M,Wingender E

更新日期：2002-01-01 00:00:00

abstract：:Targeted modulation of gene expression represents a valuable approach to understand the mechanisms governing gene regulation. In a therapeutic context, it can be exploited to selectively modify the aberrant expression of a disease-causing gene or to provide the target cells with a new function. Here, we have establish...

journal_title：Nucleic acids research

authors： Mlambo T,Nitsch S,Hildenbeutel M,Romito M,Müller M,Bossen C,Diederichs S,Cornu TI,Cathomen T,Mussolino C

更新日期：2018-05-18 00:00:00

abstract：:The accuracy of a homology model based on the structure of a distant relative or other topologically equivalent protein is primarily limited by the quality of the alignment. Here we describe a systematic approach for sequence-to-structure alignment, called 'K*Sync', in which alignments are generated by dynamic program...

journal_title：Nucleic acids research

authors： Chivian D,Baker D

更新日期：2006-01-01 00:00:00

abstract：:PsiB protein of plasmid R6-5 inhibits the induction of the SOS pathway. The F sex factor also carries a psiB gene homologous to that of R6-5. Yet, it fails to inhibit SOS induction. In order to solve this difference, we characterized the psiB genes of R6-5 and F. We found that (i) the sequences of the two psiB genes s...

journal_title：Nucleic acids research

authors： Dutreix M,Bäckman A,Célérier J,Bagdasarian MM,Sommer S,Bailone A,Devoret R,Bagdasarian M

更新日期：1988-11-25 00:00:00

abstract：:We have measured the amount of 5S-ribosomal DNA in the genomes of Xenopus laevis, Triturus cristatus carnifex and Ambystoma mexicanum, three species of Amphibians which have widely different C-values. Our best estimate is that these organisms have about 24,000, 32,000 and 61,000 5S-genes per haploid genome respectivel...

journal_title：Nucleic acids research

authors： Hilder VA,Dawson GA,Vlad MT

更新日期：1983-04-25 00:00:00

abstract：:A screening for human proteins capable of interacting with influenza virus NS1 has been carried out using the two-hybrid genetic trap in yeast. A cDNA corresponding to the human homologue of Drosophila melanogaster Staufen protein (hStaufen) was isolated that fulfilled all genetic controls of the two-hybrid protocol. ...

journal_title：Nucleic acids research

authors： Falcón AM,Fortes P,Marión RM,Beloso A,Ortín J

更新日期：1999-06-01 00:00:00

abstract：:Transcriptional regulatory networks specify regulatory proteins controlling the context-specific expression levels of genes. Inference of genome-wide regulatory networks is central to understanding gene regulation, but remains an open challenge. Expression-based network inference is among the most popular methods to i...

journal_title：Nucleic acids research

authors： Siahpirani AF,Roy S

更新日期：2017-02-28 00:00:00

abstract：:The 80S ribosome from Saccharomyces cerevisiae has been reconstructed from cryo electron micrographs to a resolution of 35 A. It is strikingly similar to the 70S ribosome from Escherichia coli, while displaying the characteristic eukaryotic features familiar from reconstructions of ribosomes from higher eukaryotes. As...

journal_title：Nucleic acids research

authors： Verschoor A,Warner JR,Srivastava S,Grassucci RA,Frank J

更新日期：1998-01-15 00:00:00

abstract：:IGF2 mRNA-binding protein 1 (IMP1) is a key regulator of messenger RNA (mRNA) metabolism and transport in organismal development and, in cancer, its mis-regulation is an important component of tumour metastasis. IMP1 function relies on the recognition of a diverse set of mRNA targets that is mediated by the combinator...

journal_title：Nucleic acids research

authors： Dagil R,Ball NJ,Ogrodowicz RW,Hobor F,Purkiss AG,Kelly G,Martin SR,Taylor IA,Ramos A

更新日期：2019-05-07 00:00:00

abstract：:Improving the accuracy of prediction of gene starts is one of a few remaining open problems in computer prediction of prokaryotic genes. Its difficulty is caused by the absence of relatively strong sequence patterns identifying true translation initiation sites. In the current paper we show that the accuracy of gene s...

journal_title：Nucleic acids research

authors： Besemer J,Lomsadze A,Borodovsky M

更新日期：2001-06-15 00:00:00

abstract：:The high mobility group protein (HMG)-box is a DNA-binding domain found in many proteins that bind preferentially to DNA of irregular structures in a sequence-independent manner and can bend the DNA. We show here that GST-fusion proteins of HMG domains from HMG1 and HMG2 promote a triple-stranded complex formation bet...

journal_title：Nucleic acids research

authors： Suda T,Mishima Y,Takayanagi K,Asakura H,Odani S,Kominami R

更新日期：1996-12-01 00:00:00

abstract：:A system for the tetracycline-inducible regulation of gene expression in mycobacteria has been developed. We have sub-cloned the tetRO region from the Corynebacterium glutamicum TetZ locus into a mycobacterial shuttle plasmid, making expression of genes cloned downstream of tetRO responsive to tetracycline. Using the ...

journal_title：Nucleic acids research

authors： Blokpoel MC,Murphy HN,O'Toole R,Wiles S,Runn ES,Stewart GR,Young DB,Robertson BD

更新日期：2005-02-01 00:00:00

abstract：:The precursor to the Euglena light harvesting chlorophyll a/b binding protein of photosystem II (LHCPII) is a polyprotein containing multiple copies of LHCPII covalently joined by a decapeptide linker. cDNA and genomic clones encoding the 5' and 3' end of a 6.6 kb LHCPII mRNA were sequenced. A 3.1 kb genomic region en...

journal_title：Nucleic acids research

authors： Muchhal US,Schwartzbach SD

更新日期：1994-12-25 00:00:00

abstract：:The viral RNA (vRNA) genome of influenza viruses is replicated by the RNA-dependent RNA polymerase (RNAP) via a complementary RNA (cRNA) intermediate. The vRNA promoter can adopt multiple conformations when bound by the RNAP. However, the dynamics, determinants, and biological role of these conformations are unknown; ...

journal_title：Nucleic acids research

authors： Robb NC,Te Velthuis AJW,Fodor E,Kapanidis AN

更新日期：2019-07-09 00:00:00

abstract：:The rapidly growing amount of genomic sequence data being generated and made publicly available necessitate the development of new data storage and archiving methods. The vast amount of data being shared and manipulated also create new challenges for network resources. Thus, developing advanced data compression techni...

journal_title：Nucleic acids research

authors： Chanda P,Elhaik E,Bader JS

更新日期：2012-11-01 00:00:00

abstract：:Explicit solvent molecular dynamics (MD) was used to describe the intrinsic flexibility of the helix 42-44 portion of the 23S rRNA (abbreviated as Kt-42+rGAC; kink-turn 42 and GTPase-associated center rRNA). The bottom part of this molecule consists of alternating rigid and flexible segments. The first flexible segmen...

journal_title：Nucleic acids research

authors： Rázga F,Koca J,Mokdad A,Sponer J

更新日期：2007-01-01 00:00:00

abstract：:Human Protein Reference Database (HPRD) (http://www.hprd.org) was developed to serve as a comprehensive collection of protein features, post-translational modifications (PTMs) and protein-protein interactions. Since the original report, this database has increased to >20 000 proteins entries and has become the largest...

journal_title：Nucleic acids research

authors： Mishra GR,Suresh M,Kumaran K,Kannabiran N,Suresh S,Bala P,Shivakumar K,Anuradha N,Reddy R,Raghavan TM,Menon S,Hanumanthu G,Gupta M,Upendran S,Gupta S,Mahesh M,Jacob B,Mathew P,Chatterjee P,Arun KS,Sharma S,Chand

更新日期：2006-01-01 00:00:00

abstract：:Homologous recombination (HR) is a highly accurate mechanism of DNA repair that can be exploited for homology-directed gene targeting. Since in most cell types HR occurs very infrequently (approximately 10(-6) to 10(-8)), its practical application has been largely restricted to specific experimental systems that allow...

journal_title：Nucleic acids research

authors： van Nierop GP,de Vries AA,Holkers M,Vrijsen KR,Gonçalves MA

更新日期：2009-09-01 00:00:00

abstract：:Chromatin organization and epigenetic markers influence splicing, though the magnitudes of these effects and the mechanisms are largely unknown. Here, we demonstrate that linker histone H1.5 influences mRNA splicing. We observed that linker histone H1.5 binds DNA over splice sites of short exons in human lung fibrobla...

journal_title：Nucleic acids research

authors： Glaich O,Leader Y,Lev Maor G,Ast G

更新日期：2019-07-09 00:00:00

abstract：:DNA mismatches are highly polymorphic and dynamic in nature, albeit poorly characterized structurally. We utilized the antitumour antibiotic CoII(Chro)2 (Chro = chromomycin A3) to stabilize the palindromic duplex d(TTGGCGAA) DNA with two G:G mismatches, allowing X-ray crystallography-based monitoring of mismatch polym...

journal_title：Nucleic acids research

authors： Satange R,Chuang CY,Neidle S,Hou MH

更新日期：2019-09-19 00:00:00

abstract：:We have previously investigated the role of the N-terminal region of ribosomal protein S4 to participate in 30S ribosome assembly and function (1-3). In this report we extend these studies to the two fragments produced by the chemical cleavage of protein S4 at the tryptophan residue 167. We find that the carboxyl term...

journal_title：Nucleic acids research

authors： Changchien LM,Craven GR

更新日期：1985-09-11 00:00:00

abstract：:Allele-specific DNA methylation, histone acetylation and histone methylation are recognized as epigenetic characteristics of imprinted genes and imprinting centers (ICs). These epigenetic modifications are also used to regulate tissue-specific gene expression. Epigenetic differences between alleles can be significant ...

journal_title：Nucleic acids research

authors： Lau JC,Hanel ML,Wevrick R

更新日期：2004-06-24 00:00:00

abstract：:A gene bank of Staphylococcus aureus strain Cowan I was established using an E. coli HB101/pBR327 host-vector system. Recombinants expressing staphylococcal protein A (SPA) were detected using an IgG-binding assay. A 3.2 Kb DNA fragment directing the synthesis of SPA in E. coli was identified. SPA produced by E. coli ...

journal_title：Nucleic acids research

authors： Duggleby CJ,Jones SA

更新日期：1983-05-25 00:00:00

abstract：:Alternative splicing (AS) of pre-mRNAs is an important regulatory mechanism shaping the transcriptome. In plants, only few RNA-binding proteins are known to affect AS. Here, we show that the glycine-rich RNA-binding protein AtGRP7 influences AS in Arabidopsis thaliana. Using a high-resolution RT-PCR-based AS panel, we...

journal_title：Nucleic acids research

authors： Streitner C,Köster T,Simpson CG,Shaw P,Danisman S,Brown JW,Staiger D

更新日期：2012-12-01 00:00:00

abstract：:REV1 and DNA Polymerase ζ (REV3 and REV7) play important roles in translesion DNA synthesis (TLS) in which DNA replication bypasses blocking lesions. REV1 and Polζ have also been implicated in promoting repair of DNA double-stranded breaks (DSBs). However, the mechanism by which these two TLS polymerases increase tole...

journal_title：Nucleic acids research

authors： Sharma S,Hicks JK,Chute CL,Brennan JR,Ahn JY,Glover TW,Canman CE

更新日期：2012-01-01 00:00:00

abstract：:Nucleoside 3'-phosphoramidite and chlorophosphite reagents have been found to react with the lactam function of guanine. This reaction caused unsatisfactory results when oligodeoxyribonucleotides containing a large number of guanine bases were prepared in an automated solid phase synthesizer. The guanine modification ...

journal_title：Nucleic acids research

authors： Pon RT,Damha MJ,Ogilvie KK

更新日期：1985-09-25 00:00:00

abstract：:Properties of a mutant bacteriophage T2 DNA [N:(6)-adenine] methyltransferase (T2 Dam MTase) have been investigated for its potential utilization in RecA-assisted restriction endonuclease (RARE) cleavage. Steady-state kinetic analyses with oligonucleotide duplexes revealed that, compared to wild-type T4 Dam, both wild...

journal_title：Nucleic acids research

authors： Minko I,Hattman S,Lloyd RS,Kossykh V

更新日期：2001-04-01 00:00:00