Polynucleotides. XXIV. Synthesis and properties of a dinucleoside monophosphate derived from uridine 6,2-cyclonucleoside.

abstract：:The transcriptional regulator Spx plays a key role in maintaining the redox homeostasis of Bacillus subtilis cells exposed to disulfide stress. Defects in Spx were previously shown to lead to differential expression of numerous genes but direct and indirect regulatory effects could not be distinguished. Here we identi...

journal_title：Nucleic acids research

authors： Rochat T,Nicolas P,Delumeau O,Rabatinová A,Korelusová J,Leduc A,Bessières P,Dervyn E,Krásny L,Noirot P

更新日期：2012-10-01 00:00:00

abstract：:Murine embryonic stem (ES) cells are commonly cultured on feeder layers of primary murine embryonic fibroblasts (MEFs). Because gene targeting experiments often involve sequential selection for multiple-drug resistance in single ES cell lines, we have developed a new mouse strain which represents an economical donor f...

journal_title：Nucleic acids research

authors： Tucker KL,Wang Y,Dausman J,Jaenisch R

更新日期：1997-09-15 00:00:00

abstract：:UNITE (https://unite.ut.ee/) is a web-based database and sequence management environment for the molecular identification of fungi. It targets the formal fungal barcode-the nuclear ribosomal internal transcribed spacer (ITS) region-and offers all ∼1 000 000 public fungal ITS sequences for reference. These are clustere...

journal_title：Nucleic acids research

authors： Nilsson RH,Larsson KH,Taylor AFS,Bengtsson-Palme J,Jeppesen TS,Schigel D,Kennedy P,Picard K,Glöckner FO,Tedersoo L,Saar I,Kõljalg U,Abarenkov K

更新日期：2019-01-08 00:00:00

abstract：:ANISEED (www.aniseed.cnrs.fr) is the main model organism database for tunicates, the sister-group of vertebrates. This release gives access to annotated genomes, gene expression patterns, and anatomical descriptions for nine ascidian species. It provides increased integration with external molecular and taxonomy datab...

journal_title：Nucleic acids research

authors： Brozovic M,Dantec C,Dardaillon J,Dauga D,Faure E,Gineste M,Louis A,Naville M,Nitta KR,Piette J,Reeves W,Scornavacca C,Simion P,Vincentelli R,Bellec M,Aicha SB,Fagotto M,Guéroult-Bellone M,Haeussler M,Jacox E,Lowe

更新日期：2018-01-04 00:00:00

abstract：:Proteins are highly dynamic molecules, whose function is intrinsically linked to their molecular motions. Despite the pivotal role of protein dynamics, their computational simulation cost has led to most structure-based approaches for assessing the impact of mutations on protein structure and function relying upon sta...

journal_title：Nucleic acids research

authors： Rodrigues CH,Pires DE,Ascher DB

更新日期：2018-07-02 00:00:00

abstract：:A new method of representing DNA sequences has been devised which is termed stave projection. Compared with other formats for showing the base sequences of DNA, this method greatly enhances the ease of visual analysis of the sequences of bases and it is also in a machine readable form. Using this method it is possible...

journal_title：Nucleic acids research

authors： Cowin JE,Jellis CH,Rickwood D

更新日期：1986-01-10 00:00:00

abstract：:This article presents W-IQ-TREE, an intuitive and user-friendly web interface and server for IQ-TREE, an efficient phylogenetic software for maximum likelihood analysis. W-IQ-TREE supports multiple sequence types (DNA, protein, codon, binary and morphology) in common alignment formats and a wide range of evolutionary ...

journal_title：Nucleic acids research

authors： Trifinopoulos J,Nguyen LT,von Haeseler A,Minh BQ

更新日期：2016-07-08 00:00:00

abstract：:High-throughput experimental technologies gradually shift the paradigm of biological research from hypothesis-validation toward hypothesis-generation science. Translating diverse types of large-scale experimental data into testable hypotheses, however, remains a daunting task. We previously demonstrated that heterogen...

journal_title：Nucleic acids research

authors： Cho A,Shin J,Hwang S,Kim C,Shim H,Kim H,Kim H,Lee I

更新日期：2014-07-01 00:00:00

abstract：:The discovery of hydroxymethyl-, formyl- and carboxylcytosine, generated through oxidation of methylcytosine by TET dioxygenases, raised the question how these modifications contribute to epigenetic regulation. As they are subjected to complex regulation in vivo, we dissected links to gene expression with in vitro mod...

journal_title：Nucleic acids research

authors： Müller U,Bauer C,Siegl M,Rottach A,Leonhardt H

更新日期：2014-07-01 00:00:00

abstract：:Genotoxic stress induces alternative splicing of the oncogene MDM2 generating MDM2-ALT1, an isoform attributed with tumorigenic properties. However, the mechanisms underlying this event remain unclear. Here we explore MDM2 splicing regulation by utilizing a novel minigene that mimics endogenous MDM2 splicing in respon...

journal_title：Nucleic acids research

authors： Comiskey DF Jr,Jacob AG,Singh RK,Tapia-Santos AS,Chandler DS

更新日期：2015-04-30 00:00:00

abstract：:We have previously identified a T lymphocyte protein which binds to a site within the LTR of the human immunodeficiency virus type 1 (HIV-1) and exerts an inhibitory effect on virus gene expression. The palindromic site (site B) recognized by this protein is related to the palindromic binding sites of members of the s...

journal_title：Nucleic acids research

authors： Orchard K,Lang G,Collins M,Latchman D

更新日期：1992-10-25 00:00:00

abstract：:Selenoproteins contain the amino acid selenocysteine which is encoded by a UGA Sec codon. Recoding UGA Sec requires a complex mechanism, comprising the cis-acting SECIS RNA hairpin in the 3'UTR of selenoprotein mRNAs, and trans-acting factors. Among these, the SECIS Binding Protein 2 (SBP2) is central to the mechanism...

journal_title：Nucleic acids research

authors： Takeuchi A,Schmitt D,Chapple C,Babaylova E,Karpova G,Guigo R,Krol A,Allmang C

更新日期：2009-04-01 00:00:00

abstract：:A key complication in comparative genomics for reliable gene function prediction is the existence of duplicated genes. To study the effect of gene duplication on function prediction, we analyze orthologs between pairs of genomes where in one genome the orthologous gene has duplicated after the speciation of the two ge...

journal_title：Nucleic acids research

authors： Notebaart RA,Huynen MA,Teusink B,Siezen RJ,Snel B

更新日期：2005-10-27 00:00:00

abstract：:The sequence requirements for specific and efficient transcription from the 16S/23S rRNA promoter of Sulfolobus shibatae were analysed by point mutations and by cassette mutations using an in vitro transcription system. The examination of the box A-containing distal promoter element (DPE) showed the great importance o...

journal_title：Nucleic acids research

authors： Hain J,Reiter WD,Hüdepohl U,Zillig W

更新日期：1992-10-25 00:00:00

abstract：:Pluripotency, the ability of embryonic stem cells to differentiate into specialized cell types, is determined by ESC-specific gene regulators such as transcription factors and chromatin modification factors. It is not well understood how ESCs are poised for differentiation, however, and methods are needed for prognosi...

journal_title：Nucleic acids research

authors： Ha M,Hong S

更新日期：2017-10-13 00:00:00

abstract：:A method is described which allows selection of sequences which can substitute for the normal AATAAA hexanucleotide involved in polyadenylation of SV40 late mRNAs. Plaques were generated from viral DNA lacking the motif, forcing acquisition of substitute sequences. Four variants were characterized. All displayed wild-...

journal_title：Nucleic acids research

authors： Swimmer C,Shenk T

更新日期：1985-11-25 00:00:00

abstract：:During DNA replication, the presence of 8-oxoguanine (8-oxoG) lesions in the template strand cause the high-fidelity (HiFi) DNA polymerase (Pol) to stall. An early response to 8-oxoG lesions involves 'on-the-fly' translesion synthesis (TLS), in which a specialized TLS Pol is recruited and replaces the stalled HiFi Pol...

journal_title：Nucleic acids research

authors： Cranford MT,Kaszubowski JD,Trakselis MA

更新日期：2020-11-04 00:00:00

abstract：:The herpes simplex virus protein VP16 interacts with cellular factors, including the protein Oct-1, to activate viral immediate early (IE) gene transcription. We have reproduced this effect by addition of purified, full-length VP16 and the DNA-binding 'POU' domain of Oct-1 (Oct-1/POU) to a HeLa cell in vitro transcrip...

journal_title：Nucleic acids research

authors： Arnosti DN,Preston CM,Hagmann M,Schaffner W,Hope RG,Laughlan G,Luisi BF

更新日期：1993-12-11 00:00:00

abstract：:A 15-mer DNA aptamer (named TBA) adopts a G-quadruplex structure that strongly inhibits fibrin-clot formation by binding to thrombin. We have performed thermodynamic analysis, binding affinity and biological activity studies of TBA variants modified by unlocked nucleic acid (UNA) monomers. UNA-U placed in position U3,...

journal_title：Nucleic acids research

authors： Pasternak A,Hernandez FJ,Rasmussen LM,Vester B,Wengel J

更新日期：2011-02-01 00:00:00

abstract：:Three databases that provide data on transcriptional regulation are described. TRANSFAC is a database on transcription factors and their DNA binding sites. TRRD (Transcription Regulatory Region Database) collects information about complete regulatory regions, their regulation properties and architecture. COMPEL compri...

journal_title：Nucleic acids research

authors： Wingender E,Kel AE,Kel OV,Karas H,Heinemeyer T,Dietze P,Knüppel R,Romaschenko AG,Kolchanov NA

更新日期：1997-01-01 00:00:00

abstract：:Homopolyribonucleotides and E. coli DNA wer spin labeled with an iodoacetamide-nitroxide compound. The extent of labeling is highly dependent upon the nature of the base and the secondary structure of the nucleic acid. This spin label-polymer linkage is unstable at high temperatures and in phosphate buffers. In order ...

journal_title：Nucleic acids research

authors： Caspary WJ,Greene JJ,Stempel LM,Ts'o PO

更新日期：1976-04-01 00:00:00

abstract：:Human cytomegalovirus (HCMV) terminase is composed of subunits pUL56 (130 kDa) and pUL89 ( approximately 75 kDa), encoded by the UL56 and UL89 genes. In a recent investigation, we demonstrated that the main ATPase activity is associated with the large terminase subunit pUL56. The protein has two putative ATP-binding s...

journal_title：Nucleic acids research

authors： Scholz B,Rechter S,Drach JC,Townsend LB,Bogner E

更新日期：2003-03-01 00:00:00

abstract：:Methylation of the 2'-hydroxyl-group of ribonucleotides is found in all major classes of RNA in eukaryotes and is one of the most abundant posttranscriptional modifications of stable RNAs. In spite of intense studies, the multiple functions of RNA 2'-O-methylation are still not understood. One major obstacle in the fi...

journal_title：Nucleic acids research

authors： Aschenbrenner J,Marx A

更新日期：2016-05-05 00:00:00

abstract：:We have analyzed the molecular mechanism that makes translation of the MS2 replicase cistron dependent on the translation of the upstream coat cistron. Deletion mapping on cloned cDNA of the phage shows that the ribosomal binding site of the replicase cistron is masked by a long distance basepairing to an internal coa...

journal_title：Nucleic acids research

authors： Berkhout B,van Duin J

更新日期：1985-10-11 00:00:00

abstract：:We have examined the expression and structure of several genes belonging to two classes of vegetative specific genes of the simple eukaryote, Dictyostelium discoideum. In amebae grown on bacteria, deactivation of all vegetative specific genes occurred at the onset of development and very little mRNA exists by 8 to 10 ...

journal_title：Nucleic acids research

authors： Singleton CK,Manning SS,Ken R

更新日期：1989-12-11 00:00:00

abstract：:Three protein isoforms (74, 54 and 42 kDa) are expressed from repressor gene c in the Streptomyces temperate bacteriophage phiC31. Because expression of the two smaller isoforms, 54 and 42 kDa, is sufficient for superinfection immunity, the interaction between these isoforms was studied. The native 42 kDa repressor (N...

journal_title：Nucleic acids research

authors： Wilson SE,Smith MC

更新日期：1998-05-15 00:00:00

abstract：:The genome-wide identification of microRNA transcription start sites (miRNA TSSs) is essential for understanding how miRNAs are regulated in development and disease. In this study, we developed mirSTP (mirna transcription Start sites Tracking Program), a probabilistic model for identifying active miRNA TSSs from nasce...

journal_title：Nucleic acids research

authors： Liu Q,Wang J,Zhao Y,Li CI,Stengel KR,Acharya P,Johnston G,Hiebert SW,Shyr Y

更新日期：2017-07-27 00:00:00

abstract：:Myotonic dystrophy type 1 (DM1) is caused by the expansion of a (CTG).(CAG) repeat in the DMPK gene on chromosome 19q13.3. At least 17 neurological diseases have similar genetic mutations, the expansion of DNA repeats. In most of these disorders, the disease severity is related to the length of the repeat expansion, a...

journal_title：Nucleic acids research

authors： Hashem VI,Pytlos MJ,Klysik EA,Tsuji K,Khajavi M,Ashizawa T,Sinden RR

更新日期：2004-12-01 00:00:00

abstract：:Methylation of CpG motifs in DNA is involved in the control of gene expression and in several other epigenic effects. It suppresses also the immuno-stimulation properties of bacterial or viral DNAs that contain CPGS: However, effects of methylation on the DNA structure and dynamics are not clear. Here we carried out a...

journal_title：Nucleic acids research

authors： Derreumaux S,Chaoui M,Tevanian G,Fermandjian S

更新日期：2001-06-01 00:00:00

abstract：:We describe a new exonuclease-based method for joining and/or constructing two or more DNA molecules. DNA fragments containing ends complementary to those of a vector or another independent molecules were generated by the polymerase chain reaction. The 3' ends of these molecules as well as the vector DNA were then rec...

journal_title：Nucleic acids research

authors： Yang YS,Watson WJ,Tucker PW,Capra JD

更新日期：1993-04-25 00:00:00