The site-specific DNA endonuclease encoded by a group I intron in the Chlamydomonas pallidostigmatica chloroplast small subunit rRNA gene introduces a single-strand break at low concentrations of Mg2+.

abstract：:Chromatin modulation at various cis-acting elements is critical for V(D)J recombination during T and B cell development. MARbeta, a matrix-associated region (MAR) located upstream of the T cell receptor beta (TCRbeta) enhancer (Ebeta), serves a crucial role in silencing Ebeta-mediated TCR activation. By DNaseI hyperse...

journal_title：Nucleic acids research

authors： Kaul-Ghanekar R,Jalota A,Pavithra L,Tucker P,Chattopadhyay S

更新日期：2004-09-15 00:00:00

abstract：:Synthetic RNA formulations and viral vectors are the two main approaches for delivering small therapeutic RNA to human cells. Here we report findings supporting an alternative strategy in which an endogenous human RNA polymerase (RNAP) is harnessed to make RNA hairpin-containing small RNA from synthetic single-strande...

journal_title：Nucleic acids research

authors： Seidl CI,Lama L,Ryan K

更新日期：2013-02-01 00:00:00

abstract：:Primase synthesizes decaribonucleotides for priming of lagging and possibly leading strand synthesis at a replication fork. The sites of initiation by purified mouse primase were shown to be highly specific within the SV40 origin of replication. This study further examines the role of the 27-bp inverted repeat in the ...

journal_title：Nucleic acids research

authors： Tseng BY,Prussak CE

更新日期：1989-03-11 00:00:00

abstract：:Multiple myeloma, the second most frequent hematologic tumor after lymphomas, is an incurable cancer. Recent sequencing efforts have identified the ribonuclease DIS3 as one of the most frequently mutated genes in this disease. DIS3 represents the catalytic subunit of the exosome, a macromolecular complex central to th...

journal_title：Nucleic acids research

authors： Segalla S,Pivetti S,Todoerti K,Chudzik MA,Giuliani EC,Lazzaro F,Volta V,Lazarevic D,Musco G,Muzi-Falconi M,Neri A,Biffo S,Tonon G

更新日期：2015-05-26 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：:To achieve drug resistance Leishmania parasite alters gene copy number by using its repeated sequences widely distributed through the genome. Even though homologous recombination (HR) is ascribed to maintain genome stability, this eukaryote exploits this potent mechanism driven by the Rad51 recombinase to form benefic...

journal_title：Nucleic acids research

authors： Genois MM,Plourde M,Éthier C,Roy G,Poirier GG,Ouellette M,Masson JY

更新日期：2015-03-11 00:00:00

abstract：:A highly sensitive method to detect traces of aldehyde-containing apurinic/apyrimidinic (AP) sites in nucleic acids has been developed. Based on this method, a novel approach to detect DNA base mismatches recognized by the mismatch repair glycosylase MutY is demonstrated. Open chain aldehydes generated in nucleic acid...

journal_title：Nucleic acids research

authors： Maulik G,Botchway S,Chakrabarti S,Tetradis S,Price B,Makrigiorgos GM

更新日期：1999-03-01 00:00:00

abstract：:Cultured mammalian cells transduced with the Escherichia coli gene, Ecogpt, synthesize the bacterial enzyme xanthine-guanine phosphoribosyl transferase (XGPT) (1). This paper describes a method for measuring XGPT activity in crude cell extracts by following the conversion of 14C-xanthine (X) to 14C-xanthine monophosph...

journal_title：Nucleic acids research

authors： Chu G,Berg P

更新日期：1985-04-25 00:00:00

abstract：:A previously elaborated technique for fixing a chosen partially melted state of DNA with glyoxal was used in a study of the melting process of the replicative form (RF III) of phi X174 DNA. Electron-microscopic maps corresponding to five points of the melting curve of RF III were obtained and compared with the theoret...

journal_title：Nucleic acids research

authors： Lyubchenko YuL,Kalambet YuA,Lyamichev VI,Borovik AS

更新日期：1982-03-25 00:00:00

abstract：:The enzyme endonuclease V nicks uracil-containing DNA at the second or third phosphodiester bond 3' to uracil sites. I applied the enzyme to random fragmentation of DNA to revise the complex DNA shuffling protocol. The merit of using endonuclease V is that cleavage occurs at random sites and the length of the fragment...

journal_title：Nucleic acids research

authors： Miyazaki K

更新日期：2002-12-15 00:00:00

abstract：:Bacterial small regulatory RNAs (sRNAs) are the most abundant class of post-transcriptional regulators and have been well studied in Gram-negative bacteria. Little is known about the functions and mechanisms of sRNAs in high GC Gram-positive bacteria including Mycobacterium and Streptomyces. Here, we performed an in-d...

journal_title：Nucleic acids research

authors： Mai J,Rao C,Watt J,Sun X,Lin C,Zhang L,Liu J

更新日期：2019-05-07 00:00:00

abstract：:2'-O-(2-methoxyethyl) (2'-MOE) RNA possesses favorable pharmocokinetic properties that make it a promising option for the design of oligonucleotide drugs. Telomerase is a ribonucleoprotein that is up-regulated in many types of cancer, but its potential as a target for chemotherapy awaits the development of potent and ...

journal_title：Nucleic acids research

authors： Elayadi AN,Demieville A,Wancewicz EV,Monia BP,Corey DR

更新日期：2001-04-15 00:00:00

abstract：:A synapomorphy is a phylogenetic character that provides evidence of shared descent. Ideally a synapomorphy is ubiquitous within the clade of related organisms and nonexistent outside the clade, implying that it arose after divergence from other extant species and before the last common ancestor of the clade. With the...

journal_title：Nucleic acids research

authors： Bern M,Goldberg D,Lyashenko E

更新日期：2006-01-01 00:00:00

abstract：:Long non-coding RNAs (lncRNAs) play critical roles in diverse cellular processes; however, their involvement in many critical aspects of the immune response including the interferon (IFN) response remains poorly understood. To address this gap, we compared the global gene expression pattern of primary human hepatocyte...

journal_title：Nucleic acids research

authors： Kambara H,Niazi F,Kostadinova L,Moonka DK,Siegel CT,Post AB,Carnero E,Barriocanal M,Fortes P,Anthony DD,Valadkhan S

更新日期：2014-01-01 00:00:00

abstract：:The plant gene enod40 is highly conserved among legumes and also present in various non-legume species. It is presumed to play a central regulatory role in the Rhizobium-legume interaction, being expressed well before the initiation of cortical cell divisions resulting in nodule formation. Two small peptides encoded b...

journal_title：Nucleic acids research

authors： Girard G,Roussis A,Gultyaev AP,Pleij CW,Spaink HP

更新日期：2003-09-01 00:00:00

abstract：:ArrayOme is a new program that calculates the size of genomes represented by microarray-based probes and facilitates recognition of key bacterial strains carrying large numbers of novel genes. Protein-coding sequences (CDS) that are contiguous on annotated reference templates and classified as 'Present' in the test st...

journal_title：Nucleic acids research

authors： Ou HY,Smith R,Lucchini S,Hinton J,Chaudhuri RR,Pallen M,Barer MR,Rajakumar K

更新日期：2005-01-07 00:00:00

abstract：:Two factors are mainly responsible for the stability of the DNA double helix: base pairing between complementary strands and stacking between adjacent bases. By studying DNA molecules with solitary nicks and gaps we measure temperature and salt dependence of the stacking free energy of the DNA double helix. For the fi...

journal_title：Nucleic acids research

authors： Yakovchuk P,Protozanova E,Frank-Kamenetskii MD

更新日期：2006-01-31 00:00:00

abstract：:The role of the cyclic-AMP (cAMP) responsive element (CRE) in eukaryotic gene transcription was investigated in several cell lines transfected by constructs containing the chloramphenicol acetyltransferase (CAT) gene linked to the three different promoters, simian virus (SV) 40, human c-Ha-ras-1, or chicken beta-actin...

journal_title：Nucleic acids research

authors： Kanei-Ishii C,Ishii S

更新日期：1989-02-25 00:00:00

abstract：:Endonuclease III from Escherichia coli, yeast (yNtg1p and yNtg2p) and human and E.coli endonuclease VIII have a wide substrate specificity, and recognize oxidation products of both thymine and cytosine. DNA containing single dihydrouracil (DHU) and tandem DHU lesions were used as substrates for these repair enzymes. I...

journal_title：Nucleic acids research

authors： Venkhataraman R,Donald CD,Roy R,You HJ,Doetsch PW,Kow YW

更新日期：2001-01-15 00:00:00

abstract：T:Activator protein 1 (AP-1) is a transcription factor that recognizes two versions of a 7-base pair response element, either 5΄- GAG CA-3΄ or 5΄- GAG CA-3΄ (where M = 5-methylcytosine). These two elements share the feature that 5-methylcytosine and thymine both have a methyl group in the same position, 5-carbon of the...

journal_title：Nucleic acids research

authors： Hong S,Wang D,Horton JR,Zhang X,Speck SH,Blumenthal RM,Cheng X

更新日期：2017-03-17 00:00:00

abstract：:Accurate T-cell epitope prediction is a principal objective of computational vaccinology. As a service to the immunology and vaccinology communities at large, we have implemented, as a server on the World Wide Web, a partial least squares-based multivariate statistical approach to the quantitative prediction of peptid...

journal_title：Nucleic acids research

authors： Guan P,Doytchinova IA,Zygouri C,Flower DR

更新日期：2003-07-01 00:00:00

abstract：:Dramatic improvements in ribozyme mimics have been achieved by employing the principles of small molecule catalysis to the design of macromolecular, biomimetic reagents. Ribozyme mimics derived from the ligand 2,9-dimethylphenanthroline (neocuproine) show at least 30-fold improvements in efficiency at sequence-specifi...

journal_title：Nucleic acids research

authors： Putnam WC,Daniher AT,Trawick BN,Bashkin JK

更新日期：2001-05-15 00:00:00

abstract：:BZ junctions, which connect B-DNA to Z-DNA, are necessary for local transformation of B-DNA to Z-DNA in the genome. However, the limited information on the junction-forming sequences and junction structures has led to a lack of understanding of the structural diversity and sequence preferences of BZ junctions. We dete...

journal_title：Nucleic acids research

authors： Kim D,Hur J,Han JH,Ha SC,Shin D,Lee S,Park S,Sugiyama H,Kim KK

更新日期：2018-11-02 00:00:00

abstract：:Recently, we reported a multicopy mammalian plasmid with a structure related to polyoma. The plasmid, named L factor, was found at a high copy number (5,000 or more per cell) in a subclone derived from mouse L cells. We attempted to utilize L factor as a plasmid vector for mammalian cells. A series of composite DNA co...

journal_title：Nucleic acids research

authors： Saito H,Uehara H,Kusano T,Oishi M

更新日期：1987-11-11 00:00:00

abstract：:Fluorescence-based sequencing is playing an increasingly important role in efforts to identify DNA polymorphisms and mutations of biological and medical interest. The application of this technology in generating the reference sequence of simple and complex genomes is also driving the development of new computer progra...

journal_title：Nucleic acids research

authors： Nickerson DA,Tobe VO,Taylor SL

更新日期：1997-07-15 00:00:00

abstract：:Calf thymus nucleosomes exhibit two different and independent hydrodynamic responses to diminishing salt concentration. One change is gradual over the range 40 to 0.2 mM Na+ and is accompanied by decreases in contact-site cross-linking efficiency. The other change is abrupt, being centered between 1 and 2 mM Na+. We f...

journal_title：Nucleic acids research

authors： Burch JB,Martinson HG

更新日期：1980-11-11 00:00:00

abstract：:Alternative splicing produces more than one protein from the majority of genes and the rarer forms can have dominant functions. Instability of alternative transcripts can also hinder the study of regulation of gene expression by alternative splicing. To investigate the true extent of alternative splicing we have devel...

journal_title：Nucleic acids research

authors： Venables JP,Burn J

更新日期：2006-01-01 00:00:00

abstract：:Enhancers are a class of cis-regulatory elements that can increase gene transcription by forming loops in intergenic regions, introns and exons. Enhancers, as well as their associated target genes, and transcription factors (TFs) that bind to them, are highly associated with human disease and biological processes. Alt...

journal_title：Nucleic acids research

authors： Bai X,Shi S,Ai B,Jiang Y,Liu Y,Han X,Xu M,Pan Q,Wang F,Wang Q,Zhang J,Li X,Feng C,Li Y,Wang Y,Song Y,Feng K,Li C

更新日期：2020-01-08 00:00:00

abstract：:Gaussian network model (GNM) is a simple yet powerful model for investigating the dynamics of proteins and their complexes. GNM analysis became a broadly used method for assessing the conformational dynamics of biomolecular structures with the development of a user-friendly interface and database, iGNM, in 2005. We pr...

journal_title：Nucleic acids research

authors： Li H,Chang YY,Yang LW,Bahar I

更新日期：2016-01-04 00:00:00

abstract：:Topoisomerase II is an essential enzyme that is required for virtually every process that requires movement of DNA within the nucleus or the opening of the double helix. This enzyme helps to regulate DNA under- and overwinding and removes knots and tangles from the genetic material. In order to carry out its critical ...

journal_title：Nucleic acids research

authors： Deweese JE,Osheroff N

更新日期：2009-02-01 00:00:00