DeAnnIso: a tool for online detection and annotation of isomiRs from small RNA sequencing data.

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：:A new method for evaluating some complex characteristics of the primary structure of E.coli promoters is proposed. The method, of nonparametric statistical significance, selects important conserved single-base positions in combination with 2-base coupling relations of identity and complementarity. The extended consens...

journal_title：Nucleic acids research

authors： Rozkot F,Sázelová P,Pivec L

更新日期：1989-06-26 00:00:00

abstract：:A novel expression system was established that allows expression and propagation of the human hepatitis B virus (HBV) genome in cultured animal cells. An overlength HBV genome encoding the viral pregenomic RNA was put under transcriptional control of the human metallothionein IIA promoter thereby replacing the endogen...

journal_title：Nucleic acids research

authors： Junker M,Galle P,Schaller H

更新日期：1987-12-23 00:00:00

abstract：:Alu insertions have contributed to >11% of the human genome and ∼30-35 Alu subfamilies remain actively mobile, yet the characterization of polymorphic Alu insertions from short-read data remains a challenge. We build on existing computational methods to combine Alu detection and de novo assembly of WGS data as a means...

journal_title：Nucleic acids research

authors： Wildschutte JH,Baron A,Diroff NM,Kidd JM

更新日期：2015-12-02 00:00:00

abstract：:The organelle genome database GOBASE, now in its 21st release (June 2008), contains all published mitochondrion-encoded sequences (approximately 913,000) and chloroplast-encoded sequences (approximately 250,000) from a wide range of eukaryotic taxa. For all sequences, information on related genes, exons, introns, gene...

journal_title：Nucleic acids research

authors： O'Brien EA,Zhang Y,Wang E,Marie V,Badejoko W,Lang BF,Burger G

更新日期：2009-01-01 00:00:00

abstract：:Ribosomal protein L4 of Escherichia coli regulates expression of its own eleven gene S10 operon both by inhibiting translation and by stimulating premature termination of transcription. Both regulatory processes presumably involve L4 recognition of the S10 leader RNA. To help define L4's regulatory target, we have inv...

journal_title：Nucleic acids research

authors： Zengel JM,Lindahl L

更新日期：1993-05-25 00:00:00

abstract：:Modified nucleosides in natural RNA molecules are essential for their functions. Non-natural nucleoside analogues have been introduced into RNA to manipulate its structure and function. We have recently developed a new strategy for the in situ modification of RNA based on the functionality transfer reaction between an...

journal_title：Nucleic acids research

authors： Jitsuzaki D,Onizuka K,Nishimoto A,Oshiro I,Taniguchi Y,Sasaki S

更新日期：2014-07-01 00:00:00

abstract：:Chromatin immunoprecipitation (ChIP) has been used to detect binding of DNA-binding proteins to sites in nuclear and mitochondrial genomes. Here, we describe a method for detecting protein-binding sites on chloroplast DNA, using modifications to the nuclear ChIP procedures. The method was developed using the lac opera...

journal_title：Nucleic acids research

authors： Newell CA,Gray JC

更新日期：2010-08-01 00:00:00

abstract：:Competition binding and UV melting studies of a DNA model system consisting of three, four or five mutually complementary oligonucleotides demonstrate that unpaired bases at the branch point stabilize three- and five-way junction loops but destabilize four-way junctions. The inclusion of unpaired nucleotides permits t...

journal_title：Nucleic acids research

authors： Kadrmas JL,Ravin AJ,Leontis NB

更新日期：1995-06-25 00:00:00

abstract：:In Saccharomyces cerevisiae, DNA double-strand breaks (DSBs) initiate meiotic recombination at open sites in chromatin, which display a meiosis-specific increase in micrococcal nuclease (MNase) sensitivity. The arg4 promoter contains such a DSB site. When arg4 sequences are placed in a pBR322-derived insert at HIS4 (h...

journal_title：Nucleic acids research

authors： Ohta K,Wu TC,Lichten M,Shibata T

更新日期：1999-05-15 00:00:00

abstract：:Structural changes of reconstituted SV 40 minichromosomes have been studied in relation to the salt concentration and addition of histone H1 by sedimentation and electron microscopy. Sedimentation data are represented as functions of the NaCl concentration and the Debye-Hückel electrostatic screening radius 1/alpha. T...

journal_title：Nucleic acids research

authors： Böttger M,Scherneck S,von Mickwitz CU,Fenske H,Lindigkeit R

更新日期：1979-08-10 00:00:00

abstract：:The integrase (IN) protein of human immunodeficiency virus type 1 (HIV-1) catalyzes site-specific cleavage of 2 bases from the viral long terminal repeat (LTR) sequence yet it binds DNA with little DNA sequence specificity. We have previously demonstrated that the C-terminal half of IN (amino acids 154-288) possesses ...

journal_title：Nucleic acids research

authors： Woerner AM,Marcus-Sekura CJ

更新日期：1993-07-25 00:00:00

abstract：:We have sequenced the 0.7-kb-long fragment of Drosophila DNA which ensures the autonomous replication of plasmids in yeast. Deletion mapping has shown the ARS element to consist of at least two domains: the core having the consensus 11-bp sequence TAAATATAAAT and the enhancer which is no more than 90 bp long and is lo...

journal_title：Nucleic acids research

authors： Gragerov AI,Danilevskaya ON,Didichenko SA,Kaverina EN

更新日期：1988-02-11 00:00:00

abstract：:Human single-strand (ss) DNA binding proteins 1 (hSSB1) has been shown to participate in DNA damage response and maintenance of genome stability by regulating the initiation of ATM-dependent signaling. ATM phosphorylates hSSB1 and prevents hSSB1 from ubiquitin-proteasome-mediated degradation. However, the E3 ligase th...

journal_title：Nucleic acids research

authors： Chen ZW,Liu B,Tang NW,Xu YH,Ye XY,Li ZM,Niu XM,Shen SP,Lu S,Xu L

更新日期：2014-10-01 00:00:00

abstract：:Recent studies with poly(ADP-ribose) polymerase (PARP)-deficient mice have highlighted the role of this enzyme in genomic stability and response to various genomic insults. In the absence of DNA damaging treatment, we report here that a PARP-deficient cell line (PARP-/-) established from knockout mice displays a decre...

journal_title：Nucleic acids research

authors： Canitrot Y,de Murcia G,Salles B

更新日期：1998-11-15 00:00:00

abstract：:To bridge the gap between the rising information needs of biological and medical researchers and the rapidly growing number of online bioinformatics resources, we have created the Online Bioinformatics Resources Collection (OBRC) at the Health Sciences Library System (HSLS) at the University of Pittsburgh. The OBRC, c...

journal_title：Nucleic acids research

authors： Chen YB,Chattopadhyay A,Bergen P,Gadd C,Tannery N

更新日期：2007-01-01 00:00:00

abstract：:We describe the first polyA-containing processed pseudogene reported in the chicken. It includes a 0.52 kb open reading frame which could encode a 175 amino acid protein. The putative protein shows extensive homology to the ras oncogene superfamily, being most closely related to the yeast protein YP2. It is one of the...

journal_title：Nucleic acids research

authors： Alsip GR,Konkel DA

更新日期：1986-03-11 00:00:00

abstract：:The apolipoprotein AI (apoAI) promoter/enhancer contains multiple cis -acting elements on which a variety of hepatocyte-enriched and ubiquitous transcription factors function synergistically to regulate liver-specific transcription. Adenovirus E1A proteins repress tissue-specific gene expression and disrupt the differ...

journal_title：Nucleic acids research

authors： Kilbourne EJ,Evans MJ,Karathanasis SK

更新日期：1998-04-01 00:00:00

abstract：:A number of cysteine-rich proteins have recently been isolated by homology screening, differential library screens, and association with other proteins. In this report, we describe the isolation of the rat cysteine-rich protein from a rat brain library during a search for clones with homology to the delta-opioid recep...

journal_title：Nucleic acids research

authors： McLaughlin CR,Tao Q,Abood ME

更新日期：1994-12-11 00:00:00

abstract：:We have used gel retardation analysis to show that human DNA topoisomerase IIbeta can bind a 40 bp linear duplex containing a single DNA topoisomerase IIbeta cleavage site. Furthermore, we demonstrate for the first time that human DNA topoisomerase IIbeta binds to four-way junction DNA. This supports previous suggesti...

journal_title：Nucleic acids research

authors： West KL,Austin CA

更新日期：1999-02-15 00:00:00

abstract：:Loop length and its composition are important for the structural and functional versatility of quadruplexes. To date studies on the loops have mainly concerned model sequences compared with naturally occurring quadruplex sequences which have diverse loop lengths and compositions. Herein, we have characterized 36 quadr...

journal_title：Nucleic acids research

authors： Kumar N,Maiti S

更新日期：2008-10-01 00:00:00

abstract：:G-quadruplexes (G4s) are non-canonical nucleic acids secondary structures that form within guanine-rich strands of regulatory genomic regions. G4s have been extensively described in the human genome, especially in telomeres and oncogene promoters; in recent years the presence of G4s in viruses has attracted increasing...

journal_title：Nucleic acids research

authors： Ruggiero E,Richter SN

更新日期：2018-04-20 00:00:00

abstract：:CTCF plays a pivotal role in mediating chromatin interactions, but it does not do so alone. A number of factors have been reported to co-localize with CTCF and regulate CTCF loops, but no comprehensive analysis of binding partners has been performed. This prompted us to identify CTCF loop participants and regulators b...

journal_title：Nucleic acids research

authors： Hu G,Dong X,Gong S,Song Y,Hutchins AP,Yao H

更新日期：2020-09-25 00:00:00

abstract：:A novel resource centre for TP53 mutations and mutants has been developed (http://p53.fr). TP53 gene dysfunction can be found in the majority of human cancer types. The potential use of TP53 mutation as a biomarker for clinical studies or exposome analysis has led to the publication of thousands of reports describing ...

journal_title：Nucleic acids research

authors： Leroy B,Fournier JL,Ishioka C,Monti P,Inga A,Fronza G,Soussi T

更新日期：2013-01-01 00:00:00

abstract：:For the first time mosaic nucleic acids composed of 50% RNA and 50% DNA can be obtained as transcripts with T7 RNA polymerase. Two NTPs could be replaced simultaneously in a transcription reaction. This means more than 40 deoxynucleotides were inserted in one transcript. Previously, a maximum of two deoxynucleotides c...

journal_title：Nucleic acids research

authors： Conrad F,Hanne A,Gaur RK,Krupp G

更新日期：1995-06-11 00:00:00

abstract：:The DNA sequence of the spacer (plus flanking) regions separating the 16S rRNA and 23S rRNA genes of two presumptive rDNA operons of the archaebacterium Methanococcus vannielii was determined. The spacers are 156 and 242 base pairs in size and they share a sequence homology of 49 base pairs following the 3' terminus o...

journal_title：Nucleic acids research

authors： Jarsch M,Böck A

更新日期：1983-11-11 00:00:00

abstract：:We constructed several deletion mutants of Escherichia coli single-stranded DNA binding protein (EcoSSB) lacking different parts of the C-terminal region. This region of EcoSSB is composed of two parts: a glycine and proline-rich sequence of approximately 60 amino acids followed by an acidic region of the last 10 amin...

journal_title：Nucleic acids research

authors： Curth U,Genschel J,Urbanke C,Greipel J

更新日期：1996-07-15 00:00:00

abstract：:The MspI restriction-modification system, which recognizes the sequence 5'-CCGG-3', has been previously cloned and sequenced (1). We subcloned the methyltransferase gene (M.MspI) downstream of the ptac promoter in the multicopy vector pUC119 and overexpressed it in E. coli. Upon induction with IPTG, M.MspI constitutes...

journal_title：Nucleic acids research

authors： Dubey AK,Mollet B,Roberts RJ

更新日期：1992-04-11 00:00:00

abstract：:We analysed the basic mechanisms of signal transmission in DNA and the origins of the allostery exhibited by systems such as the ternary complex BAMHI-DNA-GRDBD. We found that perturbation information generated by a primary protein binding event travels as a wave to distant regions of DNA following a hopping mechanism...

journal_title：Nucleic acids research

authors： Balaceanu A,Pérez A,Dans PD,Orozco M

更新日期：2018-09-06 00:00:00

abstract：:CENP-A and CENP-B are major components of centromeric chromatin. CENP-A is the histone H3 variant, which forms the centromere-specific nucleosome. CENP-B specifically binds to the CENP-B box DNA sequence on the centromere-specific repetitive DNA. In the present study, we found that the CENP-A nucleosome more stably re...

journal_title：Nucleic acids research

authors： Fujita R,Otake K,Arimura Y,Horikoshi N,Miya Y,Shiga T,Osakabe A,Tachiwana H,Ohzeki J,Larionov V,Masumoto H,Kurumizaka H

更新日期：2015-05-26 00:00:00