Structure of replication origin of the Escherichia coli K-12 chromosome: the presence of spacer sequences in the ori region carrying information for autonomous replication.

abstract：:The isolation and characterization of deletion mutants of the bacteriocinogenic plasmid Clo DF13 is described. To construct these deletion mutants, DNA of Clo DF13::Tn901 and Clo DF13-rep3::Tn901 plasmids was digested with restriction endonucleases, ligated with T4 ligase and introduced by transformation into Escheric...

journal_title：Nucleic acids research

authors： Stuitje AR,Veltkamp E,van den Elzen PJ,Nijkamp HJ

更新日期：1978-06-01 00:00:00

abstract：:The 16S ribosomal RNA mutation database (16SMDB) provides a list of mutated positions in 16S ribosomal RNA from Escherichia coli and the identity of each alteration. Information provided for each mutation includes: (i) a brief description of the phenotype(s) associated with each mutation; (ii) whether a mutant phenoty...

journal_title：Nucleic acids research

authors： Triman KL

更新日期：1996-01-01 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：:A differential effect is found of various bivalent cations (Ba2+, Ca2+, Mg2+, Cd2+, Co2+, Mn2+, Ni2+, Zn2+ and Hg2+) on stability of intermolecular Py-Pu-Pu triplex with different sequence of base triads. Ca2+, Mg2+, Cd2+, Co2+, Mn2+, Ni2+ and Zn2+ do stabilize the d(C)n d(G)n d(G)n triplex whereas Ba2+ and Hg2+ do no...

journal_title：Nucleic acids research

authors： Malkov VA,Voloshin ON,Soyfer VN,Frank-Kamenetskii MD

更新日期：1993-02-11 00:00:00

abstract：:The Zebrafish Information Network (ZFIN, http://zfin.org), the model organism database for zebrafish, provides the central location for curated zebrafish genetic, genomic and developmental data. Extensive data integration of mutant phenotypes, genes, expression patterns, sequences, genetic markers, morpholinos, map po...

journal_title：Nucleic acids research

authors： Sprague J,Bayraktaroglu L,Bradford Y,Conlin T,Dunn N,Fashena D,Frazer K,Haendel M,Howe DG,Knight J,Mani P,Moxon SA,Pich C,Ramachandran S,Schaper K,Segerdell E,Shao X,Singer A,Song P,Sprunger B,Van Slyke CE,Weste

更新日期：2008-01-01 00:00:00

abstract：:The repeating nucleotide sequence of 68 base pairs in the mtDNA from an ethidium-induced cytoplasmic petite mutant of yeast has been determined. For sequence analysis specifically primed and terminated RNA copies, obtained by in vitro transcription of the separated strands, were use. The sequence consists of 66 consec...

journal_title：Nucleic acids research

authors： Van Kreijl CF,Bos JL

更新日期：1977-07-01 00:00:00

abstract：:The intron 2 of the murine thymidine kinase (TK) gene was observed to contain two DNase hypersensitive site. In vitro footprinting experiments indicated specific binding sites for nuclear proteins which were characterized within the sequence of intron 2. Two GC boxes (binding sites for transcription factor SP1) and tw...

journal_title：Nucleic acids research

authors： Rotheneder H,Grabner M,Wintersberger E

更新日期：1991-12-25 00:00:00

abstract：:GAP-43 is a membrane phosphoprotein that is important for the development and plasticity of neural connections. In undifferentiated PC12 pheochromocytoma cells, GAP-43 mRNA degrades rapidly ( t = 5 h), but becomes stable when cells are treated with nerve growth factor. To identify trans- acting factors that may influe...

journal_title：Nucleic acids research

authors： Irwin N,Baekelandt V,Goritchenko L,Benowitz LI

更新日期：1997-03-15 00:00:00

abstract：:We present the PATHOgenic YEAst Search for Transcriptional Regulators And Consensus Tracking (PathoYeastract - http://pathoyeastract.org) database, a tool for the analysis and prediction of transcription regulatory associations at the gene and genomic levels in the pathogenic yeasts Candida albicans and C. glabrata Up...

journal_title：Nucleic acids research

authors： Monteiro PT,Pais P,Costa C,Manna S,Sá-Correia I,Teixeira MC

更新日期：2017-01-04 00:00:00

abstract：:More than 200 assembly factors (AFs) are required for the production of ribosomes in yeast. The stepwise association and dissociation of these AFs with the pre-ribosomal subunits occurs in a hierarchical manner to ensure correct maturation of the pre-rRNAs and assembly of the ribosomal proteins. Although decades of re...

journal_title：Nucleic acids research

authors： Braun CM,Hackert P,Schmid CE,Bohnsack MT,Bohnsack KE,Perez-Fernandez J

更新日期：2020-01-10 00:00:00

abstract：:Many cellular proteins are methylated on lysine residues and this has been most intensively studied for histone proteins. Lysine methylations on non-histone proteins are also frequent, but in most cases the functional significance of the methylation event, as well as the identity of the responsible lysine (K) specific...

journal_title：Nucleic acids research

authors： Jakobsson ME,Malecki J,Nilges BS,Moen A,Leidel SA,Falnes PØ

更新日期：2017-08-21 00:00:00

abstract：:Two types of different repetitive DNA sequences called RepMP1 and RepMP2 were identified in the genome of Mycoplasma pneumoniae. The number of these repeated elements, their nucleotide sequence and their localization on a physical map of the M. pneumoniae genome were determined. The results show that RepMP1 appears at...

journal_title：Nucleic acids research

authors： Wenzel R,Herrmann R

更新日期：1988-09-12 00:00:00

abstract：:Bacteriophage Mu has one of the best studied, most efficient and largest transposition machineries of the prokaryotic world. To harness this attractive integration machinery for use in mammalian cells, we cloned the coding sequences of the phage factors MuA and MuB in a eukaryotic expression cassette and fused them to...

journal_title：Nucleic acids research

authors： Schagen FH,Rademaker HJ,Cramer SJ,van Ormondt H,van der Eb AJ,van de Putte P,Hoeben RC

更新日期：2000-12-01 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：:Using two primers corresponding to helix 1 and helix 3 regions in the homeodomain, we subjected genomic DNA from Caenorhabditis elegans to amplification by the polymerase chain reaction. Sequence analysis of the amplified products revealed a new homeobox-containing gene, designated ceh-19. This gene was located betwee...

journal_title：Nucleic acids research

authors： Naito M,Kohara Y,Kurosawa Y

更新日期：1992-06-25 00:00:00

abstract：:The pol gene of all retroviruses is expressed as a gag-pol fusion protein which is proteolytically processed to produce all viral enzymes. In the human immunodeficiency virus (HIV), the gag and pol genes overlap by 241 nucleotides with pol in the -1 phase with respect to gag. The gag-pol fusion is produced via a -1 ri...

journal_title：Nucleic acids research

authors： Vickers TA,Ecker DJ

更新日期：1992-08-11 00:00:00

abstract：:Protein structures are an ensemble of atoms determined experimentally mostly by X-ray crystallography or Nuclear Magnetic Resonance. Studying 3D protein structures is a key point for better understanding protein function at a molecular level. We propose a set of accurate tools, for analysing protein structures, based ...

journal_title：Nucleic acids research

authors： Esque J,Léonard S,de Brevern AG,Oguey C

更新日期：2013-07-01 00:00:00

abstract：:Defining syntenic relationships among orthologous gene clusters is a frequent undertaking of biologists studying organismal evolution through comparative genomic approaches. With the increasing availability of genome data made possible through next-generation sequencing technology, there is a growing need for user-fri...

journal_title：Nucleic acids research

authors： Veltri D,Wight MM,Crouch JA

更新日期：2016-07-08 00:00:00

abstract：:siRNAs confer sequence specific and robust silencing of mRNA. By virtue of these properties, siRNAs have become therapeutic candidates for disease intervention. However, their use as therapeutic agents can be hampered by unintended off-target effects by either or both strands of the siRNA duplex. We report here that u...

journal_title：Nucleic acids research

authors： Vaish N,Chen F,Seth S,Fosnaugh K,Liu Y,Adami R,Brown T,Chen Y,Harvie P,Johns R,Severson G,Granger B,Charmley P,Houston M,Templin MV,Polisky B

更新日期：2011-03-01 00:00:00

abstract：:E2A is a member of the E-protein family of transcription factors. Previous studies have reported context-dependent regulation of E2A-dependent transcription. For example, whereas the E2A portion of the E2A-Pbx1 leukemia fusion protein mediates robust transcriptional activation in t(1;19) acute lymphoblastic leukemia, ...

journal_title：Nucleic acids research

authors： Gow CH,Guo C,Wang D,Hu Q,Zhang J

更新日期：2014-01-01 00:00:00

abstract：:Alternative splicing is widespread in mammalian gene expression, and variant splice patterns are often specific to different stages of development, particular tissues or a disease state. There is a need to systematically collect data on alternatively spliced exons, introns and splice isoforms, and to annotate this dat...

journal_title：Nucleic acids research

authors： Thanaraj TA,Stamm S,Clark F,Riethoven JJ,Le Texier V,Muilu J

更新日期：2004-01-01 00:00:00

abstract：:The rol-6 gene is trans-spliced to the 22 nt leader, SL1, 173 nt downstream of the transcription start. We have analyzed splicing in transformants carrying extrachromosomal arrays of rol-6 with mutations in the trans-splice acceptor site. This site is a close match to the consensus, UUUCAG, that is highly conserved in...

journal_title：Nucleic acids research

authors： Conrad R,Liou RF,Blumenthal T

更新日期：1993-02-25 00:00:00

abstract：:Previous work has demonstrated that the yeast SPT3 gene is required for transcription from delta sequences, the long terminal repeats that flank yeast Ty elements. In spt3 null mutants, transcription fails to initiate in delta sequences and instead initiates farther downstream. Null mutations in SPT3 cause other mutan...

journal_title：Nucleic acids research

authors： Winston F,Minehart PL

更新日期：1986-09-11 00:00:00

abstract：:Module identification is a frequently used approach for mining local structures with more significance in global networks. Recently, a wide variety of bilayer networks are emerging to characterize the more complex biological processes. In the light of special topological properties of bilayer networks and the accompan...

journal_title：Nucleic acids research

authors： Xu Y,Guo M,Liu X,Wang C,Liu Y,Liu G

更新日期：2016-11-16 00:00:00

abstract：:For over 10 years, Binding MOAD (Mother of All Databases; http://www.BindingMOAD.org) has been one of the largest resources for high-quality protein-ligand complexes and associated binding affinity data. Binding MOAD has grown at the rate of 1994 complexes per year, on average. Currently, it contains 23,269 complexes ...

journal_title：Nucleic acids research

authors： Ahmed A,Smith RD,Clark JJ,Dunbar JB Jr,Carlson HA

更新日期：2015-01-01 00:00:00

abstract：:DNA primases recognize single-stranded DNA (ssDNA) sequences to synthesize RNA primers during lagging-strand replication. Arabidopsis thaliana encodes an ortholog of the DNA primase-helicase from bacteriophage T7, dubbed AtTwinkle, that localizes in chloroplasts and mitochondria. Herein, we report that AtTwinkle synth...

journal_title：Nucleic acids research

authors： Peralta-Castro A,Baruch-Torres N,Brieba LG

更新日期：2017-10-13 00:00:00

abstract：:The products of many bacterial non-ribosomal peptide synthetases (NRPS) are highly important secondary metabolites, including vancomycin and other antibiotics. The ability to predict substrate specificity of newly detected NRPS Adenylation (A-) domains by genome sequencing efforts is of great importance to identify an...

journal_title：Nucleic acids research

authors： Röttig M,Medema MH,Blin K,Weber T,Rausch C,Kohlbacher O

更新日期：2011-07-01 00:00:00

abstract：:Eukaryotic gene expression is regulated by enhancer-promoter interactions but the molecular mechanisms that govern specificity have remained elusive. Genome-wide studies utilizing STARR-seq identified two enhancer classes in Drosophila that interact with different core promoters: housekeeping enhancers (hkCP) and deve...

journal_title：Nucleic acids research

authors： Cubeñas-Potts C,Rowley MJ,Lyu X,Li G,Lei EP,Corces VG

更新日期：2017-02-28 00:00:00

abstract：:The higher order structure of the functionally important 530 loop in Escherichia coli 16S rRNA was studied in mutants with single base changes at position 517, which significantly impair translational fidelity. The 530 loop has been proposed to interact with the EF-Tu-GTP-aatRNA ternary complex during decoding. The re...

journal_title：Nucleic acids research

authors： Van Ryk DI,Dahlberg AE

更新日期：1995-09-11 00:00:00

abstract：:The structural simplicity and ability to capture serial correlations make Markov models a popular modeling choice in several genomic analyses, such as identification of motifs, genes and regulatory elements. A critical, yet relatively unexplored, issue is the determination of the order of the Markov model. Most biolog...

journal_title：Nucleic acids research

authors： Narlikar L,Mehta N,Galande S,Arjunwadkar M

更新日期：2013-02-01 00:00:00