Recognition sequences of type II restriction systems are constrained by the G + C content of host genomes.

abstract：:Nuclear factor I (NFI) is a site-specific DNA binding protein required for the replication of adenovirus type 2 DNA in vitro and in vivo. To study sequence requirements for the interaction of NFI with DNA, we have measured the binding of the protein to a variety of synthetic sites. Binding sites for NFI (FIB sites) we...

journal_title：Nucleic acids research

authors： Gronostajski RM

更新日期：1987-07-24 00:00:00

abstract：:Mammalian mitochondrial ribosomes evolved from bacterial ribosomes by reduction of ribosomal RNAs, increase of ribosomal protein content, and loss of guanine nucleotides. Guanine is the base most sensitive to oxidative damage. By systematically comparing high-quality, small ribosomal subunit RNA sequence alignments an...

journal_title：Nucleic acids research

authors： Hosseini M,Roy P,Sissler M,Zirbel CL,Westhof E,Leontis N

更新日期：2018-11-16 00:00:00

abstract：:We have recently described three group I introns inserted into a single gene, orf142, of the staphylococcal bacteriophage Twort and suggested the presence of at least two additional self-splicing introns in this phage genome. Here we report that two previously uncharacterized introns, 429 and 1087 nt in length, interr...

journal_title：Nucleic acids research

authors： Landthaler M,Begley U,Lau NC,Shub DA

更新日期：2002-05-01 00:00:00

abstract：:Synthetic deoxyoligonucleotides have been 5'-aminoalkylated at the end of step-wise synthesis on the polymer support. This was achieved through the activation of the 5'-hydroxyl group as its 5'-imidazolyl derivative using carbonyldiimidazole, which was subsequently displaced with hexamethylene diamine to yield the tit...

journal_title：Nucleic acids research

authors： Wachter L,Jablonski JA,Ramachandran KL

更新日期：1986-10-24 00:00:00

abstract：:Guanine-rich DNA sequences tend to form four-stranded G-quadruplex structures. Characteristic glycosidic conformational patterns along the G-strands, such as the 5'-syn-anti-syn-anti pattern observed with the Oxytricha nova telomeric G-quadruplexes, have been well documented. However, an explanation for these featured...

journal_title：Nucleic acids research

authors： Cang X,Šponer J,Cheatham TE 3rd

更新日期：2011-05-01 00:00:00

abstract：:JSNP is a repository of Japanese Single Nucleotide Polymorphism (SNP) data, begun in 2000 and developed through the Prime Minister's Millennium Project. The aim of this undertaking is to identify and collate up to 150 000 SNPs from the Japanese population, located in genes or in adjacent regions that might influence t...

journal_title：Nucleic acids research

authors： Hirakawa M,Tanaka T,Hashimoto Y,Kuroda M,Takagi T,Nakamura Y

更新日期：2002-01-01 00:00:00

abstract：:The integrases are a diverse family of tyrosine recombinases which rearrange DNA duplexes by means of conservative site-specific recombination reactions. Members of this family, of which the well-studied lambda Int protein is the prototype, were previously found to share four strongly conserved residues, including an ...

journal_title：Nucleic acids research

authors： Esposito D,Scocca JJ

更新日期：1997-09-15 00:00:00

abstract：:The chromatin structure of yeast ribosomal DNA was analyzed in vivo by crosslinking intact cells with psoralen. We found that in exponentially growing cultures the regions coding for the 35S rRNA precursor fall into two distinct classes. One class was highly accessible to psoralen and associated with nascent RNAs, cha...

journal_title：Nucleic acids research

authors： Dammann R,Lucchini R,Koller T,Sogo JM

更新日期：1993-05-25 00:00:00

abstract：:NONO, SFPQ and PSPC1 make up a family of proteins with diverse roles in transcription, RNA processing and DNA double-strand break (DSB) repair. To understand long-term effects of loss of NONO, we characterized murine embryonic fibroblasts (MEFs) from knockout mice. In the absence of genotoxic stress, wild-type and mut...

journal_title：Nucleic acids research

authors： Li S,Li Z,Shu FJ,Xiong H,Phillips AC,Dynan WS

更新日期：2014-09-01 00:00:00

abstract：:Kaposi's sarcoma-associated herpesvirus encodes four viral homologues to cellular interferon regulatory factors (IRFs), where the most studied is vIRF-1. Even though vIRF-1 shows sequence homology to the N-terminal DNA-binding domain (DBD) of human IRFs, a specific role for this domain in vIRF-1's function has remaine...

journal_title：Nucleic acids research

authors： Hew K,Dahlroth SL,Venkatachalam R,Nasertorabi F,Lim BT,Cornvik T,Nordlund P

更新日期：2013-04-01 00:00:00

abstract：:Four phage clones which hybridize with U1 small nuclear RNA were obtained from a rat gene library. Two clones contain a presumed pseudogene. A third clone includes two gene candidates that are co-linear with the rat U1-RNA, 3.6kb apart and in the opposite orientation. The two genes are surrounded by identical sequence...

journal_title：Nucleic acids research

authors： Watanabe-Nagasu N,Itoh Y,Tani T,Okano K,Koga N,Okada N,Ohshima Y

更新日期：1983-03-25 00:00:00

abstract：:Mechanisms that preserve genome integrity are highly important during the normal life cycle of human cells. Loss of genome protective mechanisms can lead to the development of diseases such as cancer. Checkpoint kinases function in the cellular surveillance pathways that help cells to cope with DNA damage. Importantly...

journal_title：Nucleic acids research

authors： Sørensen CS,Syljuåsen RG

更新日期：2012-01-01 00:00:00

abstract：:Arguably, the most bizarre mitochondrial DNA (mtDNA) is that of the euglenozoan eukaryote Diplonema papillatum. The genome consists of numerous small circular chromosomes none of which appears to encode a complete gene. For instance, the cox1 coding sequence is spread out over nine different chromosomes in non-overlap...

journal_title：Nucleic acids research

authors： Vlcek C,Marande W,Teijeiro S,Lukes J,Burger G

更新日期：2011-02-01 00:00:00

abstract：:Rad2/XPG belongs to the flap nuclease family and is responsible for a key step of the eukaryotic nucleotide excision DNA repair (NER) pathway. To elucidate the mechanism of DNA binding by Rad2/XPG, we solved crystal structures of the catalytic core of Rad2 in complex with a substrate. Rad2 utilizes three structural mo...

journal_title：Nucleic acids research

authors： Miętus M,Nowak E,Jaciuk M,Kustosz P,Studnicka J,Nowotny M

更新日期：2014-01-01 00:00:00

abstract：:Many complex viruses package their genomes into empty protein shells and bacteriophages of the Cystoviridae family provide some of the simplest models for this. The cystoviral hexameric NTPase, P4, uses chemical energy to translocate single-stranded RNA genomic precursors into the procapsid. We previously dissected th...

journal_title：Nucleic acids research

authors： El Omari K,Meier C,Kainov D,Sutton G,Grimes JM,Poranen MM,Bamford DH,Tuma R,Stuart DI,Mancini EJ

更新日期：2013-11-01 00:00:00

abstract：:A series of plasmids were constructed in which a promoter was introduced into a lac-based operon fusion vector. A perfectly symmetrical oligonucleotide of 22-bp corresponding to an idealized binding site for cAMP receptor protein (CRP) of E. coli was chemically synthesized. The synthetic CRP site was placed between th...

journal_title：Nucleic acids research

authors： Morita T,Shigesada K,Kimizuka F,Aiba H

更新日期：1988-08-11 00:00:00

abstract：:DNA polymerase (Pol) beta null mouse embryonic fibroblasts provide a useful cell system to investigate the effects of alterations in base excision repair (BER) on genome stability. These cells are characterized by hypersensitivity to the cytotoxic effects of methyl methanesulfonate (MMS) and by decreased repair of the...

journal_title：Nucleic acids research

authors： Pascucci B,Russo MT,Crescenzi M,Bignami M,Dogliotti E

更新日期：2005-01-12 00:00:00

abstract：:A U3 snoRNA gene isolated from a Chlamydomonas reinhardtii (CRE:) genomic library contains putative pol III-specific transcription signals similar to those of RNA polymerase III-specific small nuclear (sn)RNA genes of higher plants. The 222 nt long CRE: U3 snoRNA was immunoprecipitated by anti-gamma-mpppN antisera, bu...

journal_title：Nucleic acids research

authors： Antal M,Mougin A,Kis M,Boros E,Steger G,Jakab G,Solymosy F,Branlant C

更新日期：2000-08-01 00:00:00

abstract：:Retroviral particles contain a dimeric RNA genome, which serves as template for the generation of double-stranded DNA by reverse transcription. Transfer between RNA strands during DNA synthesis is governed by both sequence similarity between templates and structural features of the dimeric RNA. A kissing hairpin, beli...

journal_title：Nucleic acids research

authors： Mikkelsen JG,Rasmussen SV,Pedersen FS

更新日期：2004-01-09 00:00:00

abstract：:The rat beta-casein gene is a member of a small gene family, encoding the principal milk proteins. In order to understand the mechanisms by which its stage- and tissue-specific expression are regulated, initially, a 14 kb genomic clone containing the entire 7.5 kb rat beta-casein gene with 3.5 kb of 5' and 3.0 kb of 3...

journal_title：Nucleic acids research

authors： Lee KF,DeMayo FJ,Atiee SH,Rosen JM

更新日期：1988-02-11 00:00:00

abstract：:Mitochondrial DNA (mtDNA) is entirely dependent on nuclear genes for its transcription and replication. One of these genes is TOP1MT, which encodes the mitochondrial DNA topoisomerase IB, involved in mtDNA relaxation. To elucidate TOP1MT regulation, we performed genome-wide profiling across the 60-cell line panel (the...

journal_title：Nucleic acids research

authors： Zoppoli G,Douarre C,Dalla Rosa I,Liu H,Reinhold W,Pommier Y

更新日期：2011-08-01 00:00:00

abstract：:A growing body of evidence suggests that genes transcribed by RNA polymerase III exhibit multiple functions within a chromosome. While the predominant function of these genes is the synthesis of RNA molecules, certain RNA polymerase III genes also function as genomic landmarks. Transfer RNA genes are known to exhibit ...

journal_title：Nucleic acids research

authors： Simms TA,Miller EC,Buisson NP,Jambunathan N,Donze D

更新日期：2004-09-30 00:00:00

abstract：:The loss of the tumour suppressor E-cadherin (Cdh1) is a key event during tumourigenesis and epithelial-mesenchymal transition (EMT). Transforming growth factor-β (TGFβ) triggers EMT by inducing the expression of non-histone chromatin protein High Mobility Group A2 (HMGA2). We have previously shown that HMGA2, togethe...

journal_title：Nucleic acids research

authors： Tan EJ,Kahata K,Idås O,Thuault S,Heldin CH,Moustakas A

更新日期：2015-01-01 00:00:00

abstract：:Nucleosomes released from oviduct nuclei during brief micrococcal nuclease digestions are enriched in transcribed sequences (bloom K.S. and Anderson, J.N. (1978) Cell, 15, 141-150). Such nucleosomes released into this 1Sf supernatant fraction are enriched in proteins HMG14, 17 and a third lower molecular weight protei...

journal_title：Nucleic acids research

authors： Goodwin GH,Wright CA,Johns EW

更新日期：1981-06-25 00:00:00

abstract：:In apurinic acid, a single-stranded polydeoxyribonucleotide easily obtained upon depurination of DNA, the proton resonances arising from thymine and cytosine are readily observable in aqueous solution of 25 degrees C. Two methyl thymine resonances, centered at 1.88 ppm and separated by 0.045 ppm, are observed. We attr...

journal_title：Nucleic acids research

authors： Rahn RO,Schleich T

更新日期：1974-08-01 00:00:00

abstract：:The first step in gene expression, transcription, is modulated by the interaction of transcription factors with their corresponding binding sites on the DNA sequence. Pscan is a software tool that scans a set of sequences (e.g. promoters) from co-regulated or co-expressed genes with motifs describing the binding speci...

journal_title：Nucleic acids research

authors： Zambelli F,Pesole G,Pavesi G

更新日期：2009-07-01 00:00:00

abstract：:The majority of genome-wide association study (GWAS) risk variants reside in non-coding DNA sequences. Understanding how these sequence modifications lead to transcriptional alterations and cell-to-cell variability can help unraveling genotype-phenotype relationships. Here, we describe a computational method, dubbed C...

journal_title：Nucleic acids research

authors： Li S,Alvarez RV,Sharan R,Landsman D,Ovcharenko I

更新日期：2017-03-17 00:00:00

abstract：:Elongation factor P (EF-P) is a conserved ribosome-binding protein that structurally mimics tRNA to enable the synthesis of peptides containing motifs that otherwise would induce translational stalling, including polyproline. In many bacteria, EF-P function requires post-translational modification with (R)-β-lysine by...

journal_title：Nucleic acids research

authors： Katz A,Solden L,Zou SB,Navarre WW,Ibba M

更新日期：2014-03-01 00:00:00

abstract：:Transcription and mRNA export are linked processes. However, the molecular mechanisms of this coordination are not clear. Sus1 (hENY2) participates in this coordination as part of two protein complexes: SAGA, a transcriptional co-activator; TREX-2, which functions in mRNA biogenesis and export. Here, we investigate th...

journal_title：Nucleic acids research

authors： García-Oliver E,Pascual-García P,García-Molinero V,Lenstra TL,Holstege FC,Rodríguez-Navarro S

更新日期：2013-06-01 00:00:00

abstract：:We examined the ability of the 5' flanking region sequences of a human U1 RNA gene to direct synthesis of functional mRNA. When fused to chloramphenicol acetyltransferase (CAT) coding region sequences, the upstream sequences of the U1 gene were able to stimulate the synthesis of functional CAT mRNA in 293 cells but no...

journal_title：Nucleic acids research

authors： Dahlberg JE,Schenborn ET

更新日期：1988-07-11 00:00:00