RNAi pathways repress reprogramming of C. elegans germ cells during heat stress.

abstract：:Advancement in the field of computational research has made it possible for the in silico methods to offer significant benefits to both regulatory needs and requirements for risk assessments, and pharmaceutical industry to assess the safety profile of a chemical. Here, we present ProTox-II that incorporates molecular ...

journal_title：Nucleic acids research

authors： Banerjee P,Eckert AO,Schrey AK,Preissner R

更新日期：2018-07-02 00:00:00

abstract：:A simple and efficient method is described to introduce structurally pre-determined mutations into recombinant genomes of filamentous phage M13. The method rests on gapped duplex DNA (gdDNA) molecules of the phage M13 genome as the key intermediate. In this gdDNA, the (+) and the (shorter) (-) strand carry different g...

journal_title：Nucleic acids research

authors： Kramer W,Drutsa V,Jansen HW,Kramer B,Pflugfelder M,Fritz HJ

更新日期：1984-12-21 00:00:00

abstract：:DEAD, DEAH and DExH proteins are involved in almost every facet of RNA biochemistry. Members of these protein families exhibit an RNA-dependent ATPase activity and some possess an ATP-dependent RNA helicase activity. Although genetic studies have identified specific functions for certain DEx(D)/(H)proteins from which ...

journal_title：Nucleic acids research

authors： Kossen K,Uhlenbeck OC

更新日期：1999-10-01 00:00:00

abstract：:Although mobility of the phylogenetically widespread group I introns appears to be mechanistically similar, the phage T4 intron-encoded endonucleases that promote mobility of the td and sunY introns are different from their eukaryotic counterparts. Most notably, they cleave at a distance from the intron insertion site...

journal_title：Nucleic acids research

authors： Bell-Pedersen D,Quirk S,Clyman J,Belfort M

更新日期：1990-07-11 00:00:00

abstract：:Several modified nucleosides were introduced during in vitro RNA synthesis into a pre-tRNA(Ser). The pre-tRNAs were used as substrates for RNase P enzymes. No effects were observed with biotin-8-ATP or [alpha-S]-GPT, whereas with m7GTP, the cleavage reaction was completely inhibited. Analysis of pre-tRNAs which contai...

journal_title：Nucleic acids research

authors： Kahle D,Wehmeyer U,Char S,Krupp G

更新日期：1990-02-25 00:00:00

abstract：:In order to characterize structure-function relationships, the kinetic behavior of chimeric RNA/DNA ribozyme was compared with that of all RNA ribozyme. Determined kcat values were proven to represent the chemical-cleavage step and not the product-dissociation step. In agreement with the finding by Dahm and Uhlenbeck ...

journal_title：Nucleic acids research

authors： Sawata S,Shimayama T,Komiyama M,Kumar PK,Nishikawa S,Taira K

更新日期：1993-12-11 00:00:00

abstract：:The DEAH-box NTPase Prp43 disassembles spliceosomes in co-operation with the cofactors Ntr1/Spp382 and Ntr2, forming the NTR complex. How Prp43 is regulated by its cofactors to discard selectively only intron-lariat spliceosomes (ILS) and defective spliceosomes and to prevent disassembly of earlier and properly assemb...

journal_title：Nucleic acids research

authors： Fourmann JB,Tauchert MJ,Ficner R,Fabrizio P,Lührmann R

更新日期：2017-04-20 00:00:00

abstract：:A formaldehyde denaturation map of the replicative form of phiX174 DNA is obtained. The RFI DNA was converted into a linear state by restriction endonuclease pst I which introduces into this DNA a single double-stranded break. The map has four clear-cut peaks. Their positions excellently correlate with the peak positi...

journal_title：Nucleic acids research

authors： Karataev GI,Permogorov VI,Vologodskii AV,Frank-Kamenetskii MD

更新日期：1978-07-01 00:00:00

abstract：:During the splicing process, spliceosomal snRNAs undergo numerous conformational rearrangements that appear to be catalyzed by proteins belonging to the DEAD/H-box superfamily of RNA helicases. We have cloned a new RNA helicase gene, designated DBP2 (DEAH-boxprotein), homologous to the Schizosaccaromyces pombe cdc28(+...

journal_title：Nucleic acids research

authors： Imamura O,Saiki K,Tani T,Ohshima Y,Sugawara M,Furuichi Y

更新日期：1998-05-01 00:00:00

abstract：:Hippo pathway is involved in tumorigenesis, and its regulation in cytosol has been extensively studied, but its regulatory mechanisms in the nuclear are not clear. In the current study, using a FBS-inducing model following serum starvation, we identified KDM3A, a demethylase of histone H3K9me1/2, as a positive regulat...

journal_title：Nucleic acids research

authors： Wang HY,Long QY,Tang SB,Xiao Q,Gao C,Zhao QY,Li QL,Ye M,Zhang L,Li LY,Wu M

更新日期：2019-03-18 00:00:00

abstract：:DNA breaks occur during many processes in mammalian cells, including recombination, repair, mutagenesis and apoptosis. Here we report a simple and rapid method for assaying DNA breaks and identifying DNA breaksites. Breaksites are first tagged and amplified by ligation-mediated PCR (LM-PCR), using nested PCR primers t...

journal_title：Nucleic acids research

authors： Kong Q,Maizels N

更新日期：2001-03-15 00:00:00

abstract：:For the rapid and sensitive detection of p53 'hot spot' mutations, we combined polymerase chain reaction based single-strand conformational polymorphism (PCR-SSCP) analysis with sequence specific-clamping by peptide nucleic acids (PNAs) in a one-step reaction tube protocol. For this purpose, we designed two PNA molecu...

journal_title：Nucleic acids research

authors： Behn M,Schuermann M

更新日期：1998-03-01 00:00:00

abstract：:An investigation of the mobility of short duplexes of DNA -octamers and decamers-on polyacrylamide gels is presented, showing that molecules containing less than one helical turn exhibit sequence dependent mobilities. Analysis of chains with different sequences indicates that any arrangement of two or more adjacent A....

journal_title：Nucleic acids research

authors： Chen JH,Seeman NC,Kallenbach NR

更新日期：1988-07-25 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

abstract：:Cell-free extracts employed as chromatin assembly systems contain a myriad of proteins, polyanions and nucleic acids. The roles of ATP, MgCl2 and other cofactors in the catalysis of nucleosome formation by the Xenopus laevis oocyte S-150 have yet to be established unequivocally. In this study we examine the influence ...

journal_title：Nucleic acids research

authors： Sekiguchi JM,Kmiec EB

更新日期：1992-02-25 00:00:00

abstract：:More than 20 different heterogeneous nuclear ribonucleoproteins (hnRNPs) are associated with pre-mRNAs in the nucleus of mammalian cells and these proteins appear to influence pre-mRNA processing and other aspects of mRNA metabolism and transport. The arrangement of hnRNP proteins on pre-mRNAs is likely to be unique f...

journal_title：Nucleic acids research

authors： Matunis MJ,Xing J,Dreyfuss G

更新日期：1994-03-25 00:00:00

abstract：:Discovering which regulatory proteins, especially transcription factors (TFs), are active under certain experimental conditions and identifying the corresponding binding motifs is essential for understanding the regulatory circuits that control cellular programs. The experimental methods used for this purpose are labo...

journal_title：Nucleic acids research

authors： Zamdborg L,Ma P

更新日期：2009-09-01 00:00:00

abstract：:The rpoH genes encoding homologs of Escherichia coli sigma 32 (heat shock sigma factor) were isolated and sequenced from five gram negative proteobacteria (gamma or alpha subgroup): Enterobacter cloacae (gamma), Serratia marcescens (gamma), Proteus mirabilis (gamma), Agrobacterium tumefaciens (alpha) and Zymomonas mob...

journal_title：Nucleic acids research

authors： Nakahigashi K,Yanagi H,Yura T

更新日期：1995-11-11 00:00:00

abstract：:Metagenomics is a relatively recently established but rapidly expanding field that uses high-throughput next-generation sequencing technologies to characterize the microbial communities inhabiting different ecosystems (including oceans, lakes, soil, tundra, plants and body sites). Metagenomics brings with it a number ...

journal_title：Nucleic acids research

authors： Hunter S,Corbett M,Denise H,Fraser M,Gonzalez-Beltran A,Hunter C,Jones P,Leinonen R,McAnulla C,Maguire E,Maslen J,Mitchell A,Nuka G,Oisel A,Pesseat S,Radhakrishnan R,Rocca-Serra P,Scheremetjew M,Sterk P,Vaughan D,

更新日期：2014-01-01 00:00:00

abstract：:Post-translational modifications (such as ubiquitination) of clock proteins are critical in maintaining the precision and robustness of the evolutionarily conserved circadian clock. Ubiquitination of the core clock transcription factor BMAL1 (brain and muscle Arnt-like 1) has recently been reported. However, it remain...

journal_title：Nucleic acids research

authors： Gossan NC,Zhang F,Guo B,Jin D,Yoshitane H,Yao A,Glossop N,Zhang YQ,Fukada Y,Meng QJ

更新日期：2014-05-01 00:00:00

abstract：:RaftProt (http://lipid-raft-database.di.uq.edu.au/) is a database of mammalian lipid raft-associated proteins as reported in high-throughput mass spectrometry studies. Lipid rafts are specialized membrane microdomains enriched in cholesterol and sphingolipids thought to act as dynamic signalling and sorting platforms....

journal_title：Nucleic acids research

authors： Shah A,Chen D,Boda AR,Foster LJ,Davis MJ,Hill MM

更新日期：2015-01-01 00:00:00

abstract：:PROtein Domain Organization and Comparison (PRODOC) comprises several programs that enable convenient comparison of proteins as a sequence of domains. The in-built dataset currently consists of approximately 698 000 proteins from 192 organisms with complete genomic data, and all the SWISSPROT proteins obtained from th...

journal_title：Nucleic acids research

authors： Krishnadev O,Rekha N,Pandit SB,Abhiman S,Mohanty S,Swapna LS,Gore S,Srinivasan N

更新日期：2005-07-01 00:00:00

abstract：:Interactions between subunits in the Saccharomyces cerevisiae ribosome are mediated by universal and eukaryote-specific intersubunit bridges. Universal bridges are positioned close to the ribosomal functional centers, while eukaryote-specific bridges are mainly located on the periphery of the ribosome. Two bridges, eB...

journal_title：Nucleic acids research

authors： Kisly I,Remme J,Tamm T

更新日期：2019-01-10 00:00:00

abstract：:Archival formalin-fixed, paraffin-embedded and ethanol-fixed tissues represent a potentially invaluable resource for gene expression analysis, as they are the most widely available material for studies of human disease. Little data are available evaluating whether RNA obtained from fixed (archival) tissues could produ...

journal_title：Nucleic acids research

authors： Karsten SL,Van Deerlin VM,Sabatti C,Gill LH,Geschwind DH

更新日期：2002-01-15 00:00:00

abstract：:BRENDA is a comprehensive relational database on functional and molecular information of enzymes, based on primary literature. The database contains information extracted and evaluated from approximately 46 000 references, holding data of at least 40 000 different enzymes from more than 6900 different organisms, class...

journal_title：Nucleic acids research

authors： Schomburg I,Chang A,Schomburg D

更新日期：2002-01-01 00:00:00

abstract：:We have previously isolated two different aFGF cDNA clones from kidney and brain. The two corresponding mRNA, designated aFGF 1.A and 1.B, are the predominant species in kidney and brain, respectively. During the characterization of aFGF mRNA in glioblastoma cells, we demonstrated that aFGF mRNA in U1242MG and D65MG g...

journal_title：Nucleic acids research

authors： Payson RA,Canatan H,Chotani MA,Wang WP,Harris SE,Myers RL,Chiu IM

更新日期：1993-02-11 00:00:00

abstract：:Granulocyte macrophage-colony stimulating factor (GM-CSF) is produced by T cells, but not B cells, in response to immune signals. GM-CSF gene activation in response to T-cell stimulation requires remodelling of chromatin associated with the gene promoter, and these changes do not occur in B cells. While the CpG methyl...

journal_title：Nucleic acids research

authors： Brettingham-Moore KH,Sprod OR,Chen X,Oakford P,Shannon MF,Holloway AF

更新日期：2008-05-01 00:00:00

abstract：:The 5' processing of rat pre-tRNA(Lys) and a series of mutant derivatives by rat cytosolic RNase P was examined. In standard, non-kinetic assays, mutant precursors synthesized in vitro with 5' leader sequences of 10, 17, 24, 25, and 46 nucleotides were processed to approximately equal levels and yielded precisely clea...

journal_title：Nucleic acids research

authors： Paisley TE,Van Tuyle GC

更新日期：1994-08-25 00:00:00

abstract：:We describe a database of macromolecular motions meant to be of general use to the structural community. The database, which is accessible on the World Wide Web with an entry point at http://bioinfo.mbb.yale.edu/MolMovDB , attempts to systematize all instances of protein and nucleic acid movement for which there is at...

journal_title：Nucleic acids research

authors： Gerstein M,Krebs W

更新日期：1998-09-15 00:00:00

abstract：:During the formation of a transcriptionally active macronucleus, ciliated protozoa excise large numbers of interstitial segments of DNA (internal eliminated sequences; IESs) from their chromosomes. In this study we analyze the published sequences of 20 IESs that interrupt surface protein genes of Paramecium and identi...

journal_title：Nucleic acids research

authors： Klobutcher LA,Herrick G

更新日期：1995-06-11 00:00:00