Comparison of nucleotide sequences of large T1 ribonuclease fragments of 18S ribosomal RNA of rat and chicken.

abstract：:The signal recognition particle database (SRPDB) is located at the University of Texas Health Science Center at Tyler and includes tabulations of SRP RNA, SRP protein and SRP receptor sequences. The sequences are annotated with links to the primary databases. They are ordered alphabetically or phylogenetically and are...

journal_title：Nucleic acids research

authors： Samuelsson T,Zwieb C

更新日期：1999-01-01 00:00:00

abstract：:A successful application is reported of the multivariate curve resolution alternating least-squares method (MCR-ALS) for the analysis of nucleic acid melting and salt-induced transitions. Under conditions where several structures co-exist in a conformational equilibrium, MCR-ALS analysis of the UV and circular dichroi...

journal_title：Nucleic acids research

authors： Jaumot J,Escaja N,Gargallo R,González C,Pedroso E,Tauler R

更新日期：2002-09-01 00:00:00

abstract：:A correlation between histone acetylation and transcription has been noted for a long time, but little is known about what step(s) in the transcription cycle is influenced by acetylation. We have examined the immediate transcriptional response to histone deacetylase (HDAC) inhibition, and find that release of promoter...

journal_title：Nucleic acids research

authors： Vaid R,Wen J,Mannervik M

更新日期：2020-05-21 00:00:00

abstract：:RNase E is a 472-kDa homo-tetrameric essential endoribonuclease involved in RNA processing and turnover in Escherichia coli. In its N-terminal half (NTH) is the catalytic active site, as also a substrate 5'-sensor pocket that renders enzyme activity maximal on 5'-monophosphorylated RNAs. The protein's non-catalytic C-...

journal_title：Nucleic acids research

authors： Ali N,Gowrishankar J

更新日期：2020-01-24 00:00:00

abstract：:A peculiar phenomenon is observed in several adenovirus type 2 or 5 (Ad2 or Ad5) transformed cell lines: the right hand and left hand terminal regions of the viral genome present in the viral DNA insertions of these cell lines are found to be linked together. A large part of the viral DNA insertion present in the Ad5 ...

journal_title：Nucleic acids research

authors： Visser L,Reemst AC,van Mansfeld AD,Rozijn TH

更新日期：1982-04-10 00:00:00

abstract：:We have determined the DNA sequence surrounding the transcription terminator following rpoC, the gene that codes for the beta' subunit of RNA polymerase in E. coli K12. The 2044 bp sequence obtained contains the distal 335 codons of rpoC followed by a 212 bp non-coding region and a second open reading frame (ORFa) of ...

journal_title：Nucleic acids research

authors： Squires C,Krainer A,Barry G,Shen WF,Squires CL

更新日期：1981-12-21 00:00:00

abstract：:New linker phosphoramidite reagents containing a cleavable 3'-ester linkage are used for attaching the first nucleoside to the surface of a solid- phase support. Inexpensive, underivatized amino supports, such as long chain alkylamine controlled-pore glass, can serve as universal supports. No modifications to phosphor...

journal_title：Nucleic acids research

authors： Pon RT,Yu S

更新日期：2004-01-29 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：:Type III restriction enzymes have been demonstrated to require two unmethylated asymmetric recognition sites oriented head-to-head to elicit double-strand break 25-27 bp downstream of one of the two sites. The proposed DNA cleavage mechanism involves ATP-dependent DNA translocation. The sequence context of the recogni...

journal_title：Nucleic acids research

authors： Raghavendra NK,Rao DN

更新日期：2004-10-22 00:00:00

abstract：:We had shown previously (3) that the E. coli argE gene could be turned-on by an IS3 element inserted in orientation II near the 5' end of the gene. Here we show that this effect is due to the presence of an outward promoter located on IS3. The exact site of insertion of IS3 was determined by DNA sequencing. Using the ...

journal_title：Nucleic acids research

authors： Charlier D,Piette J,Glansdorff N

更新日期：1982-10-11 00:00:00

abstract：:The genomic distribution of 23 nuclear genes from three dicotyledons (pea, sunflower, tobacco) and five monocotyledons of the Gramineae family (barley, maize, rice, oat, wheat) was studied by localizing these genes in DNA fractions obtained by preparative centrifugation in Cs2SO4/BAMD density gradients. Each one of th...

journal_title：Nucleic acids research

authors： Montero LM,Salinas J,Matassi G,Bernardi G

更新日期：1990-04-11 00:00:00

abstract：:MicroRNAs (miRNAs) are small RNA molecules that regulate gene expression. They are characterized by specific maturation processes defined by canonical and non-canonical biogenic pathways. Analysis of ∼0.5 billion sequences from mouse data sets derived from different tissues, developmental stages and cell types, partly...

journal_title：Nucleic acids research

authors： Castellano L,Stebbing J

更新日期：2013-03-01 00:00:00

abstract：:Single cell RNA-seq experiments provide valuable insight into cellular heterogeneity but suffer from low coverage, 3' bias and technical noise. These unique properties of single cell RNA-seq data make study of alternative splicing difficult, and thus most single cell studies have restricted analysis of transcriptome v...

journal_title：Nucleic acids research

authors： Welch JD,Hu Y,Prins JF

更新日期：2016-05-05 00:00:00

abstract：:An endo-exonuclease has been purified from cultured monkey (CV-1) cells. The enzyme which was purified to near homogeneity to be a 65 kDa monomeric protein. The single-strand DNase activity is endonucleolytic and nonprocessive, whereas the double-strand DNase activity is exonucleolytic and processive. The enzyme was a...

journal_title：Nucleic acids research

authors： Couture C,Chow TY

更新日期：1992-08-25 00:00:00

abstract：:Recent genome-wide analyses have elucidated the extent of alternative splicing (AS) in mammals, often focusing on comparisons of splice isoforms between differentiated tissues. However, regulated splicing changes are likely to be important in biological transitions such as cellular differentiation, or response to envi...

journal_title：Nucleic acids research

authors： Bland CS,Wang ET,Vu A,David MP,Castle JC,Johnson JM,Burge CB,Cooper TA

更新日期：2010-11-01 00:00:00

abstract：:Analysis of intergenic sequences for purposes such as the investigation of transcriptional signals or the identification of small RNA genes is frequently complicated by traditional biological database structures. Genome data is commonly treated as chromosome-length sequence records, detailed by gene calls demarcating ...

journal_title：Nucleic acids research

authors： Ray WC,Daniels CJ

更新日期：2003-01-01 00:00:00

abstract：:Underlying higher order chromatin organization are Structural Maintenance of Chromosomes (SMC) complexes, large protein rings that entrap DNA. The molecular mechanism by which SMC complexes organize chromatin is as yet incompletely understood. Two prominent models posit that SMC complexes actively extrude DNA loops (l...

journal_title：Nucleic acids research

authors： Gerguri T,Fu X,Kakui Y,Khatri BS,Barrington C,Bates PA,Uhlmann F

更新日期：2021-01-12 00:00:00

abstract：:A fraction of the ribosomal 28S genes in some insects are interrupted at specific sites by insertion elements R1 and R2 (also called Type I and II). These elements contain long open-reading frames with homology to reverse transcriptase. We have identified in the silkmoth, Bombyx mori, copies of these elements which ha...

journal_title：Nucleic acids research

authors： Xiong Y,Burke WD,Jakubczak JL,Eickbush TH

更新日期：1988-11-25 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：:Four pseudorevertants of a -10 region lacP mutation were isolated. Three of these mutations were found to activate nascent promoters. These mutations were: a -2 G/C----A/T change (-2A) promoting transcription at position +11, a +1 A/T----T/A change (+1T) promoting transcription initiation at position +13, and a +10 C/...

journal_title：Nucleic acids research

authors： Karls R,Schulz V,Jovanovich SB,Flynn S,Pak A,Reznikoff WS

更新日期：1989-05-25 00:00:00

abstract：:Alternative splicing (AS) and alternative polyadenylation (APA) generate diverse transcripts in mammalian genomes during development and differentiation. Epigenetic marks such as trimethylation of histone H3 lysine 36 (H3K36me3) and DNA methylation play a role in generating transcriptome diversity. Intragenic CpG isla...

journal_title：Nucleic acids research

authors： Amante SM,Montibus B,Cowley M,Barkas N,Setiadi J,Saadeh H,Giemza J,Contreras-Castillo S,Fleischanderl K,Schulz R,Oakey RJ

更新日期：2020-09-04 00:00:00

abstract：:Biological networks play increasingly important roles in omics data integration and systems biology. Over the past decade, many excellent tools have been developed to support creation, analysis and visualization of biological networks. However, important limitations remain: most tools are standalone programs, the majo...

journal_title：Nucleic acids research

authors： Zhou G,Xia J

更新日期：2018-07-02 00:00:00

abstract：:In order to examine the nature of the complex formation between the ribosomal protein S1 and nucleic acids three methods were used: Inhibition of the reaction of n-ethyl[2.3 14C]-maleimide with S1 by the addition of oligonucleotides; adsorption of the complexes to nitrocellulose filters; and equilibrium dialysis. The ...

journal_title：Nucleic acids research

authors： Lipecky R,Kohlschein J,Gassen HG

更新日期：1977-10-01 00:00:00

abstract：:Apurinic/apyrimidinic endonuclease 1 (APE1), an essential protein in mammals, is involved in base excision DNA repair (BER) and in regulation of gene expression, acting as a redox co-activator of several transcription factors. Recent findings highlight a novel role for APE1 in RNA metabolism, which is modulated by nuc...

journal_title：Nucleic acids research

authors： Fantini D,Vascotto C,Marasco D,D'Ambrosio C,Romanello M,Vitagliano L,Pedone C,Poletto M,Cesaratto L,Quadrifoglio F,Scaloni A,Radicella JP,Tell G

更新日期：2010-12-01 00:00:00

abstract：:Starting from a synthetic E. coli promoter with the consensus sequences at -35 and -10 regions, a sequence CAT frequently occurred in the RNA start points of natural promoters was introduced in the downstream of the consensus sequences, and the sequences around the RNA start points as well as the relative positions of...

journal_title：Nucleic acids research

authors： Aoyama T,Takanami M

更新日期：1985-06-11 00:00:00

abstract：:The x-ray crystal structures of two new anti-HIV compounds, 9-(2,3-dideoxy-2-fluoro-beta-D-threo-pentofuranosyl)adenine (2'-F-dd-araA) and 9-(2,3-dideoxy-2-fluoro-beta-D-threo- pentofuranosyl)hypoxanthine (2'-F-dd-aral), have been determined at two temperatures. Both crystals are in the space group P2(1)2(1)2(1), and ...

journal_title：Nucleic acids research

authors： Liaw YC,Gao YG,Marquez VE,Wang AH

更新日期：1992-02-11 00:00:00

abstract：:The BRENDA enzyme information system (http://www.brenda-enzymes.org/) has developed into an elaborate system of enzyme and enzyme-ligand information obtained from different sources, combined with flexible query systems and evaluation tools. The information is obtained by manual extraction from primary literature, text...

journal_title：Nucleic acids research

authors： Chang A,Schomburg I,Placzek S,Jeske L,Ulbrich M,Xiao M,Sensen CW,Schomburg D

更新日期：2015-01-01 00:00:00

abstract：:During the past years, the advances in high-throughput technologies have produced an unprecedented growth in the number and size of repositories and databases storing relevant biological data. Today, there is more biological information than ever but, unfortunately, the current status of many of these repositories is ...

journal_title：Nucleic acids research

authors： Bleda M,Tarraga J,de Maria A,Salavert F,Garcia-Alonso L,Celma M,Martin A,Dopazo J,Medina I

更新日期：2012-07-01 00:00:00

abstract：:Naturally occurring RNAs are known to exhibit a high degree of modularity, whereby specific structural modules (or motifs) can be mixed and matched to create new molecular architectures. The modular nature of RNA also affords researchers the ability to characterize individual structural elements in controlled syntheti...

journal_title：Nucleic acids research

authors： Mitchell C,Polanco JA,DeWald L,Kress D,Jaeger L,Grabow WW

更新日期：2019-07-09 00:00:00

abstract：:Transcriptional regulation of the delta-aminolevulinic acid synthetase gene of Rhizobium meliloti was investigated under conditions of normal vegetative growth and during symbiosis with the legume host alfalfa. S1 nuclease mapping and DNA sequence analysis indicated that transcription originates from two sites separat...

journal_title：Nucleic acids research

authors： Leong SA,Williams PH,Ditta GS

更新日期：1985-08-26 00:00:00