Identifying functional gene sets from hierarchically clustered expression data: map of abiotic stress regulated genes in Arabidopsis thaliana.

abstract：:The R-Coffee web server produces highly accurate multiple alignments of noncoding RNA (ncRNA) sequences, taking into account predicted secondary structures. R-Coffee uses a novel algorithm recently incorporated in the T-Coffee package. R-Coffee works along the same lines as T-Coffee: it uses pairwise or multiple seque...

journal_title：Nucleic acids research

authors： Moretti S,Wilm A,Higgins DG,Xenarios I,Notredame C

更新日期：2008-07-01 00:00:00

abstract：:With the high number of sequences and structures streaming in from genomic projects, there is a need for more powerful and sophisticated annotation tools. Most problematic of the annotation efforts is predicting gene and protein function. Over the past few years there has been considerable progress in automated protei...

journal_title：Nucleic acids research

authors： Friedberg I,Harder T,Godzik A

更新日期：2006-07-01 00:00:00

abstract：:BioModels Database (http://www.ebi.ac.uk/biomodels/), part of the international initiative BioModels.net, provides access to published, peer-reviewed, quantitative models of biochemical and cellular systems. Each model is carefully curated to verify that it corresponds to the reference publication and gives the proper...

journal_title：Nucleic acids research

authors： Le Novère N,Bornstein B,Broicher A,Courtot M,Donizelli M,Dharuri H,Li L,Sauro H,Schilstra M,Shapiro B,Snoep JL,Hucka M

更新日期：2006-01-01 00:00:00

abstract：:Initial steps in the synthesis of functional tRNAs require 5'- and 3'-processing of precursor tRNAs (pre-tRNAs), which in yeast mitochondria are achieved by two endonucleases, RNase P and RNase Z. In this study, using a combination of detergent-free Blue Native Gel Electrophoresis, proteomics and in vitro testing of p...

journal_title：Nucleic acids research

authors： Daoud R,Forget L,Lang BF

更新日期：2012-02-01 00:00:00

abstract：:Codon usage bias is a universal feature of all genomes. Although codon usage has been shown to regulate mRNA and protein levels by influencing mRNA decay and transcription in eukaryotes, little or no genome-wide correlations between codon usage and mRNA levels are detected in mammalian cells, raising doubt on the sign...

journal_title：Nucleic acids research

authors： Yang Q,Lyu X,Zhao F,Liu Y

更新日期：2021-01-25 00:00:00

abstract：:Purified UvrA, UvrB, UvrC, UvrD, PolA and Lig proteins from Escherichia coli have been used to assess the effect of nucleotide excision repair on the conformation of native negatively supercoiled plasmid DNA in an in vitro test system. The analysis of labeled reaction products on specific gel systems suggests that the...

journal_title：Nucleic acids research

authors： Backendorf C,Olsthoorn R,van de Putte P

更新日期：1989-12-25 00:00:00

abstract：:RBD-1 is the Caenorhabditis elegans homolog of Mrd1p, which was recently shown to be required for 18S ribosomal RNA (rRNA) processing in yeast. To gain insights into the relationship between ribosome biogenesis and the development of multicellular organisms, we examined the expression and function of RBD-1. Maternal R...

journal_title：Nucleic acids research

authors： Saijou E,Fujiwara T,Suzaki T,Inoue K,Sakamoto H

更新日期：2004-02-10 00:00:00

abstract：:The side chains of the 20 types of amino acids, owing to a large extent to their different physical properties, have characteristic distributions in interior/surface regions of individual proteins and in interface/non-interface portions of protein surfaces that bind proteins or nucleic acids. These distributions have ...

journal_title：Nucleic acids research

authors： Tjong H,Qin S,Zhou HX

更新日期：2007-07-01 00:00:00

abstract：:The pattern of preferential DNA repair of UV-induced pyrimidine dimers was studied in repair-deficient Chinese hamster ovary (CHO) cells transfected with the human excision repair gene, ERCC-1. Repair efficiency was measured in the active dihydrofolate reductase (DHFR) gene and in its flanking, non-transcribed sequenc...

journal_title：Nucleic acids research

authors： Bohr VA,Chu EH,van Duin M,Hanawalt PC,Okumoto DS

更新日期：1988-08-11 00:00:00

abstract：:LNA oligonucleotides constitute a class of bicyclic RNA analogues having an exceptionally high affinity for their complementary DNA and RNA target molecules. We here report a novel method for highly efficient isolation of intact poly(A)+ RNA using an LNA-substituted oligo(dT) affinity ligand, based on the increased af...

journal_title：Nucleic acids research

authors： Jacobsen N,Nielsen PS,Jeffares DC,Eriksen J,Ohlsson H,Arctander P,Kauppinen S

更新日期：2004-04-19 00:00:00

abstract：:The replacement of thymidine with 5-bromo-2'-deoxyuridine (BrdU) is well-known to sensitize cells to ionizing radiation and photoirradiation. We reported here the sequence-dependent formation of intrastrand crosslink products from the UVB irradiation of duplex oligodeoxynucleotides harboring a BrdU or its closely rela...

journal_title：Nucleic acids research

authors： Zeng Y,Wang Y

更新日期：2006-01-01 00:00:00

abstract：:The DSSP program automatically assigns the secondary structure for each residue from the three-dimensional co-ordinates of a protein structure to one of eight states. However, discrete assignments are incomplete in that they cannot capture the continuum of thermal fluctuations. Therefore, DSSPcont (http://cubic.bioc.c...

journal_title：Nucleic acids research

authors： Carter P,Andersen CA,Rost B

更新日期：2003-07-01 00:00:00

abstract：:The unwinding of supercoiled phi X174 RFI DNA induced by the tumorigenic (+) and non-tumorigenic (-) enantiomers of trans-7,8-dihydroxy-anti-9,10-epoxy-7,8,9,10-tetrahydrobenzo[a]pyrene (BPDE) has been investigated by agarose slab-gel and ethidium titration tube gel electrophoresis. The differences in adduct conformat...

journal_title：Nucleic acids research

authors： Xu R,Birke S,Carberry SE,Geacintov NE,Swenberg CE,Harvey RG

更新日期：1992-12-11 00:00:00

abstract：:Insertion of the insertion sequence Is2(I) directly before the galE gene of the galactose operon results in a Gal minus phenotype (1, 2). The Gal-constitutive allele galc200 (and its deletion derivative galc200 delta 31) arise from such a Gal minus mutant by the insertion of LS2(II) DNA within the LS2(I) sequence (3)....

journal_title：Nucleic acids research

authors： Hinton DM,Musso RE

更新日期：1982-08-25 00:00:00

abstract：:IS200 is found throughout Enterobacteriaceae and transposes at a notoriously low frequency. In addition to the transposase protein (TnpA), IS200 encodes an uncharacterized Hfq-binding sRNA that is encoded opposite to the tnpA 5'UTR. In the current work we asked if this sRNA represses tnpA expression. We show here that...

journal_title：Nucleic acids research

authors： Ellis MJ,Trussler RS,Haniford DB

更新日期：2015-07-27 00:00:00

abstract：:The nucleotide sequence of the Anacystis nidulans 23S rRNA gene, including the 5'- and 3'-flanking regions has been determined. The gene is 2876 nucleotides long and shows higher primary sequence homology to the 23S rRNAs of plastids (84.5%) than to that of E. coli (79%). The predicted rRNA transcript also shares many...

journal_title：Nucleic acids research

authors： Douglas SE,Doolittle WF

更新日期：1984-04-11 00:00:00

abstract：:Using sedimentation and cryo electron tomography techniques, the conformations of eukaryotic polyribosomes formed in a long-term cell-free translation system were analyzed over all the active system lifetime (20-30 translation rounds during 6-8 h in wheat germ extract at 25°C). Three distinct types of the conformation...

journal_title：Nucleic acids research

authors： Afonina ZA,Myasnikov AG,Shirokov VA,Klaholz BP,Spirin AS

更新日期：2015-01-01 00:00:00

abstract：:In diverse bacterial species, the turnover and processing of many RNAs is mediated by the ribonuclease RNase J, a member of the widely occurring metallo-β-lactamase enzyme family. We present crystal structures of Streptomyces coelicolor RNase J with bound RNA in pre- and post-cleavage states, at 2.27 Å and 2.80 Å reso...

journal_title：Nucleic acids research

authors： Pei XY,Bralley P,Jones GH,Luisi BF

更新日期：2015-09-18 00:00:00

abstract：:We have used a polymerase chain reaction (PCR) procedure to analyse low abundance complementary sense RNAs of Digitaria streak virus (DSV) from infected leaves of Digitaria setigera. This study has confirmed that both spliced and unspliced RNAs are synthesised by the same transcription unit. The position of the intron...

journal_title：Nucleic acids research

authors： Mullineaux PM,Guerineau F,Accotto GP

更新日期：1990-12-25 00:00:00

abstract：:Onconase, a cytotoxic ribonuclease from Rana pipiens, possesses pyroglutamate (Pyr) at the N-terminus and has a substrate preference for uridine-guanine (UG). To identify residues responsible for onconase's cytotoxicity, we cloned the rpr gene from genomic DNA and expressed it in Escherichia coli BL21(DE3). The recomb...

journal_title：Nucleic acids research

authors： Liao YD,Wang SC,Leu YJ,Wang CF,Chang ST,Hong YT,Pan YR,Chen C

更新日期：2003-09-15 00:00:00

abstract：:Real-time PCR is being used increasingly as the method of choice for mRNA quantification, allowing rapid analysis of gene expression from low quantities of starting template. Despite a wide range of approaches, the same principles underlie all data analysis, with standard approaches broadly classified as either absolu...

journal_title：Nucleic acids research

authors： Peirson SN,Butler JN,Foster RG

更新日期：2003-07-15 00:00:00

abstract：:Equilibrative nucleoside transporters (ENTs) are a recently characterized and poorly understood group of membrane proteins that are important in the uptake of endogenous nucleosides required for nucleic acid and nucleoside triphosphate synthesis. Despite their central importance in cellular metabolism and nucleoside a...

journal_title：Nucleic acids research

authors： Sankar N,Machado J,Abdulla P,Hilliker AJ,Coe IR

更新日期：2002-10-15 00:00:00

abstract：:We have examined the formation of alternate strand triple-helices at the target sequence A11(TC)6.(GA)6T11 using the oligonucleotides T11(AG)6 and T11(TG)6, by DNase I footprinting. These third strands were designed so as to form parallel T.AT triplets together with antiparallel G.GC and A.AT or T.AT triplets. We find...

journal_title：Nucleic acids research

authors： Washbrook E,Fox KR

更新日期：1994-09-25 00:00:00

abstract：:Mutations help us to understand the molecular origins of diseases. Researchers, therefore, both publish and seek disease-relevant mutations in public databases and in scientific literature, e.g. Medline. The retrieval tends to be time-consuming and incomplete. Automated screening of the literature is more efficient. W...

journal_title：Nucleic acids research

authors： Rebholz-Schuhmann D,Marcel S,Albert S,Tolle R,Casari G,Kirsch H

更新日期：2004-01-02 00:00:00

abstract：:The prime mechanism by which p53 acts as a tumor suppressor is as a transcription factor regulating the expression of diverse downstream genes. The DNA-binding domain of p53 (p53DBD) interacts with defined DNA sites and is the main target for mutations in human primary tumors. Here, we show that the CWWG motif, found ...

journal_title：Nucleic acids research

authors： Beno I,Rosenthal K,Levitine M,Shaulov L,Haran TE

更新日期：2011-03-01 00:00:00

abstract：:Most proteins from higher organisms are known to be multi-domain proteins and contain substantial numbers of intrinsically disordered (ID) regions. To analyse such protein sequences, those from human for instance, we developed a special protein-structure-prediction pipeline and accumulated the products in the Structur...

journal_title：Nucleic acids research

authors： Motono C,Nakata J,Koike R,Shimizu K,Shirota M,Amemiya T,Tomii K,Nagano N,Sakaya N,Misoo K,Sato M,Kidera A,Hiroaki H,Shirai T,Kinoshita K,Noguchi T,Ota M

更新日期：2011-01-01 00:00:00

abstract：:We have reported on the differences in site-specific cleavage between DNA and DNA-RNA hybrids by various prototypic DNA cleavers (accompanying paper). In the case of bleomycin (BLM), degradation at 5'-GC-3'sites was suppressed relative to the same sequence in double-stranded DNA, while 5'-GT-3' damage remained constan...

journal_title：Nucleic acids research

authors： Bansal M,Stubbe J,Kozarich JW

更新日期：1997-05-01 00:00:00

abstract：:Topoisomerases (topos) maintain DNA topology and influence DNA transaction processes by catalysing relaxation, supercoiling and decatenation reactions. In the cellular milieu, division of labour between different topos ensures topological homeostasis and control of central processes. In Escherichia coli, DNA gyrase is...

journal_title：Nucleic acids research

authors： Kumar R,Riley JE,Parry D,Bates AD,Nagaraja V

更新日期：2012-11-01 00:00:00

abstract：:Tubercidin may be directly brominated by reaction with N-bromosuccinimide in DMF to give 5-bromotubercidin, a reversible inhibitor of RNA synthesis. When buffered with potassium acetate the major product is 6-bromotubercidin. 5,6-Dibromotubercidin is formed in minor amounts under both conditions. N-Chlorosuccinimide a...

journal_title：Nucleic acids research

authors： Bergstrom DE,Brattesani AJ

更新日期：1980-12-20 00:00:00

abstract：:Recognition of genomic binding sites by transcription factors can occur through base-specific recognition, or by recognition of variations within the structure of the DNA macromolecule. In this article, we investigate what information can be retrieved from local DNA structural properties that is relevant to transcript...

journal_title：Nucleic acids research

authors： Meysman P,Dang TH,Laukens K,De Smet R,Wu Y,Marchal K,Engelen K

更新日期：2011-01-01 00:00:00