GeneCAT--novel webtools that combine BLAST and co-expression analyses.

abstract：:The long terminal repeat (LTR) of the proviral human immunodeficiency virus (HIV)-1 genome is integral to virus transcription and host cell infection. The guanine-rich U3 region within the LTR promoter, previously shown to form G-quadruplex structures, represents an attractive target to inhibit HIV transcription and r...

journal_title：Nucleic acids research

authors： De Nicola B,Lech CJ,Heddi B,Regmi S,Frasson I,Perrone R,Richter SN,Phan AT

更新日期：2016-07-27 00:00:00

abstract：:Unfolding of the nucleosomes in transcriptionally active chromatin uncovers the sulfhydryl groups of histone H3 and permits the selective recovery of the unfolded nucleosomes by mercury-affinity chromatography. This new technique has been used to compare the nucleosomal proteins and their postsynthetic modifications i...

journal_title：Nucleic acids research

authors： Sterner R,Boffa LC,Chen TA,Allfrey VG

更新日期：1987-06-11 00:00:00

abstract：:It is a routine task in metabolic engineering to introduce multicomponent pathways into a heterologous host for production of metabolites. However, this process sometimes may take weeks to months due to the lack of standardized genetic tools. Here, we present a method for the design and construction of biological part...

journal_title：Nucleic acids research

authors： Guo Y,Dong J,Zhou T,Auxillos J,Li T,Zhang W,Wang L,Shen Y,Luo Y,Zheng Y,Lin J,Chen GQ,Wu Q,Cai Y,Dai J

更新日期：2015-07-27 00:00:00

abstract：:Directed molecular evolution and combinatorial methodologies are playing an increasingly important role in the field of protein engineering. The general approach of generating a library of partially randomized genes, expressing the gene library to generate the proteins the library encodes and then screening the protei...

journal_title：Nucleic acids research

authors： Neylon C

更新日期：2004-02-27 00:00:00

abstract：:Nematode mitochondria expresses two types of extremely truncated tRNAs that are specifically recognized by two distinct elongation factor Tu (EF-Tu) species named EF-Tu1 and EF-Tu2. This is unlike the canonical EF-Tu molecule that participates in the standard protein biosynthesis systems, which basically recognizes al...

journal_title：Nucleic acids research

authors： Suematsu T,Sato A,Sakurai M,Watanabe K,Ohtsuki T

更新日期：2005-08-19 00:00:00

abstract：:A detailed scheme of the Peptidyl Transferase Centre of bacterial ribosomes is proposed by summarizing the literature data on the substrate specificity of the acceptor and donor sites. According to the proposed scheme only the elements of the donor and acceptor having a stable structure bind with the ribosome. The pre...

journal_title：Nucleic acids research

authors： Krayevsky AA,Kukhanova MK,Gottikh BP

更新日期：1975-12-01 00:00:00

abstract：:The effect of several rifamycin derivatives on poly(A) synthesis in vitro was tested using purified rat liver mitochondrial poly(A) polymerase assayed with an exogenous primer. When used at a concentration of 300 mug/ml, derivatives AF/013, PR/19, AF/AETP, M/88 and AF/ABDP completely inhibited activity corresponding t...

journal_title：Nucleic acids research

authors： Jacob ST,Rose KM

更新日期：1974-11-01 00:00:00

abstract：:DNA2 nuclease/helicase is a structure-specific nuclease, 5'-to-3' helicase, and DNA-dependent ATPase. It is involved in multiple DNA metabolic pathways, including Okazaki fragment maturation, replication of 'difficult-to-replicate' DNA regions, end resection, stalled replication fork processing, and mitochondrial geno...

journal_title：Nucleic acids research

authors： Zheng L,Meng Y,Campbell JL,Shen B

更新日期：2020-01-10 00:00:00

abstract：:The human immunodeficiency virus (HIV) and other retroviruses show extensive genomic variation, which is primarily due to error-prone replication by the viral reverse transcriptase (RT) enzymes. RT errors include misincorporation with subsequent extension of the mismatched terminal base, and extension of realigned pri...

journal_title：Nucleic acids research

authors： Das AT,Berkhout B

更新日期：1995-04-25 00:00:00

abstract：:The annotation of protein function has become a crucial problem with the advent of sequence and structural genomics initiatives. A large body of evidence suggests that protein structural information is frequently encoded in local sequences, and that folds are mainly made up of a number of simple local units of super-s...

journal_title：Nucleic acids research

authors： Espadaler J,Fernandez-Fuentes N,Hermoso A,Querol E,Aviles FX,Sternberg MJ,Oliva B

更新日期：2004-01-01 00:00:00

abstract：:Phenotype analysis is commonly recognized to be of great importance for gaining insight into genetic interaction underlying inherited diseases. However, few computational contributions have been proposed for this purpose, mainly owing to lack of controlled clinical information easily accessible and structured for comp...

journal_title：Nucleic acids research

authors： Masseroli M,Galati O,Pinciroli F

更新日期：2005-07-01 00:00:00

abstract：:Mixed-lineage leukemia (MLL) maintains the expression of cellular memory genes during development, while leukemic MLL fusion proteins aberrantly maintain expression of hematopoietic stem cell program genes such as HOXA9 to cause leukemia. However, the molecular mechanism of gene activation is unclear. Here we show tha...

journal_title：Nucleic acids research

authors： Okuda H,Kawaguchi M,Kanai A,Matsui H,Kawamura T,Inaba T,Kitabayashi I,Yokoyama A

更新日期：2014-04-01 00:00:00

abstract：:The rat alpha- and bovine alpha s1-casein genes have been isolated and their 5' sequences determined. The rat alpha-, beta-, gamma- and bovine alpha s1-casein genes contain similar 5' exon arrangements in which the 5' noncoding, signal peptide and casein kinase phosphorylation sequences are each encoded by separate ex...

journal_title：Nucleic acids research

authors： Yu-Lee LY,Richter-Mann L,Couch CH,Stewart AF,Mackinlay AG,Rosen JM

更新日期：1986-02-25 00:00:00

abstract：:We report here the different ways in which four subunits of the basal transcription/repair factor TFIIH (XPB, XPD, p62 and p44) and the damage recognition XPC repair protein can enter the nucleus. We examined their nuclear localization by transiently expressing the gene products tagged with the enhanced green fluoresc...

journal_title：Nucleic acids research

authors： Santagati F,Botta E,Stefanini M,Pedrini AM

更新日期：2001-04-01 00:00:00

abstract：:Translation initiation in eukaryotes is mediated by assembly of the eIF4F complex over the m(7)GTP cap structure at the 5'-end of mRNAs. This requires an interaction between eIF4E and eIF4G, two eIF4F subunits. The Leishmania orthologs of eIF4E are structurally diverged from their higher eukaryote counterparts, since ...

journal_title：Nucleic acids research

authors： Yoffe Y,Léger M,Zinoviev A,Zuberek J,Darzynkiewicz E,Wagner G,Shapira M

更新日期：2009-06-01 00:00:00

abstract：:One of the obstacles hindering a better understanding of cancer is its heterogeneity. However, computational approaches to model cancer heterogeneity have lagged behind. To bridge this gap, we have developed a new probabilistic approach that models individual cancer cases as mixtures of subtypes. Our approach can be s...

journal_title：Nucleic acids research

authors： Cho DY,Przytycka TM

更新日期：2013-09-01 00:00:00

abstract：:RsaE is a regulatory RNA highly conserved amongst Firmicutes that lowers the amount of mRNAs associated with the TCA cycle and folate metabolism. A search for new RsaE targets in Staphylococcus aureus revealed that in addition to previously described substrates, RsaE down-regulates several genes associated with argini...

journal_title：Nucleic acids research

authors： Rochat T,Bohn C,Morvan C,Le Lam TN,Razvi F,Pain A,Toffano-Nioche C,Ponien P,Jacq A,Jacquet E,Fey PD,Gautheret D,Bouloc P

更新日期：2018-09-28 00:00:00

abstract：:Type IV effectors (T4Es) are proteins produced by pathogenic bacteria to manipulate host cell gene expression and processes, divert the cell machinery for their own profit and circumvent the immune responses. T4Es have been characterized for some bacteria but many remain to be discovered. To help biologists identify p...

journal_title：Nucleic acids research

authors： Meyer DF,Noroy C,Moumène A,Raffaele S,Albina E,Vachiéry N

更新日期：2013-11-01 00:00:00

abstract：:Nuclear factor I (NFI) is a site-specific DNA binding protein required for the replication of adenovirus type 2 DNA in vitro and in vivo. To study sequence requirements for the interaction of NFI with DNA, we have measured the binding of the protein to a variety of synthetic sites. Binding sites for NFI (FIB sites) we...

journal_title：Nucleic acids research

authors： Gronostajski RM

更新日期：1987-07-24 00:00:00

abstract：:Bacterial genomes encode a plethora of small RNAs (sRNAs), which are heterogeneous in size, structure and function. Most sRNAs act as post-transcriptional regulators by means of specific base pairing interactions with the 5'-untranslated region of mRNA transcripts, thereby modifying the stability of the target transcr...

journal_title：Nucleic acids research

authors： Eggenhofer F,Tafer H,Stadler PF,Hofacker IL

更新日期：2011-07-01 00:00:00

abstract：:Multiplexed tandem PCR (MT-PCR) is a process for highly multiplexed gene expression profiling. In the first step, multiple primer pairs are added to the RNA to be analysed together with reverse transcriptase and Taq DNA polymerase. Following reverse transcription, the multiplexed amplicons are simultaneously amplified...

journal_title：Nucleic acids research

authors： Stanley KK,Szewczuk E

更新日期：2005-11-24 00:00:00

abstract：:We have developed an HIV nef-Escherichia coli lacZ fusion system in vitro that allows the detection of low frequency mutations, including frameshifts, deletions and insertions. A portion of the nef gene that encompasses a hypervariable region was fused in-frame with a downstream lacZalpha peptide coding region. The re...

journal_title：Nucleic acids research

authors： Wu W,Palaniappan C,Bambara RA,Fay PJ

更新日期：1996-05-01 00:00:00

abstract：:PRED(BALB/c) is a computational system that predicts peptides binding to the major histocompatibility complex-2 (H2(d)) of the BALB/c mouse, an important laboratory model organism. The predictions include the complete set of H2(d) class I (H2-K(d), H2-L(d) and H2-D(d)) and class II (I-E(d) and I-A(d)) molecules. The p...

journal_title：Nucleic acids research

authors： Zhang GL,Srinivasan KN,Veeramani A,August JT,Brusic V

更新日期：2005-07-01 00:00:00

abstract：:Highly conserved sequences present at an identical position near the 3' ends of eukaryotic and prokaryotic 5S rRNAs are complementary to the 5' strand of the m2(6)A hairpin structure near the 3' ends of 18S rRNA and 16S rRNA, respectively. The extent of base-pairing and the calculated stabilities of the hybrids that c...

journal_title：Nucleic acids research

authors： Azad AA

更新日期：1979-12-11 00:00:00

abstract：:Deproteinated 16S RNA was iodinated at pH 5.0 in an aqueous solution containing TlCl3 plus KI for 1-5 hours at 42 degrees C. Under these conditions 33 moles of iodine are incorporated per mole of RNA. As judged by sucrose gradient sedimentation, the iodinated RNA does not exhibit any large alteration in conformation a...

journal_title：Nucleic acids research

authors： Schendel PL,Craven GR

更新日期：1976-11-01 00:00:00

abstract：:Mutations in human mitochondrial DNA are often associated with incurable human neuromuscular diseases. Among these mutations, an important number have been identified in tRNA genes, including 29 in the gene MT-TL1 coding for the tRNA(Leu(UUR)). The m.3243A>G mutation was described as the major cause of the MELAS syndr...

journal_title：Nucleic acids research

authors： Karicheva OZ,Kolesnikova OA,Schirtz T,Vysokikh MY,Mager-Heckel AM,Lombès A,Boucheham A,Krasheninnikov IA,Martin RP,Entelis N,Tarassov I

更新日期：2011-10-01 00:00:00

abstract：:During protein synthesis, the nascent peptide chain traverses the peptide exit tunnel of the ribosome. We monitor the co-translational movement of the nascent peptide using a fluorescent probe attached to the N-terminus of the nascent chain. Due to fluorophore quenching, the time-dependent fluorescence signal emitted ...

journal_title：Nucleic acids research

authors： Haase N,Holtkamp W,Lipowsky R,Rodnina M,Rudorf S

更新日期：2018-12-14 00:00:00

abstract：:DNA replication of phi29 and related phages takes place via a strand displacement mechanism, a process that generates large amounts of single-stranded DNA (ssDNA). Consequently, phage-encoded ssDNA-binding proteins (SSBs) are essential proteins during phage phi29-like DNA replication. In the present work we analyze th...

journal_title：Nucleic acids research

authors： Gascón I,Lázaro JM,Salas M

更新日期：2000-05-15 00:00:00

abstract：:The NCBI has introduced two new web resources-LocusLink and RefSeq-that facilitate retrieval of gene-based information and provide reference sequence standards. These resources are designed to provide a non-redundant view of current knowledge about human genes, transcripts and proteins. Additional information about th...

journal_title：Nucleic acids research

authors： Maglott DR,Katz KS,Sicotte H,Pruitt KD

更新日期：2000-01-01 00:00:00

abstract：:Most human genes generate multiple transcript isoforms. The differential expression of these isoforms can help specify cell types. Diverse transcript isoforms arise from the use of alternative transcription start sites, polyadenylation sites and splice sites; however, the relative contribution of these processes to is...

journal_title：Nucleic acids research

authors： Reyes A,Huber W

更新日期：2018-01-25 00:00:00