The discriminator bases G73 in human tRNA(Ser) and A73 in tRNA(Leu) have significantly different roles in the recognition of aminoacyl-tRNA synthetases.

abstract：:Studies involving ribozyme-directed inactivation of targeted RNA molecules have met with mixed success, making clear the importance of methods to measure and optimize ribozyme activity within cells. The interpretation of biochemical assays for determining ribozyme activity in the cellular environment have been complic...

journal_title：Nucleic acids research

authors： Seyhan AA,Amaral J,Burke JM

更新日期：1998-08-01 00:00:00

abstract：:The yeast two-hybrid system is frequently used to identify protein-protein interactions. Confirming the specificity of candidate clones requires separation and isolation of yeast plasmids, propagation in bacteria and testing combinations of DNA-binding and activation domain hybrids in yeast. In order to simplify this ...

journal_title：Nucleic acids research

authors： Petermann R,Mossier BM,Aryee DN,Kovar H

更新日期：1998-05-01 00:00:00

abstract：:DNA binding of heat shock factor 2 (HSF2) is induced during hemin-induced differentiation of human erythroleukemia cell line K562. To identify the transcriptional activation and the regulatory domains of HSF2, we constructed a series of deletion derivatives fused to the yeast GAL4 DNA binding domain and analyzed their...

journal_title：Nucleic acids research

authors： Yoshima T,Yura T,Yanagi H

更新日期：1998-06-01 00:00:00

abstract：:DNA helicases are motor proteins that catalyze the unwinding of double-stranded DNA into single-stranded DNA using the free energy from ATP hydrolysis. Single molecule approaches enable us to address detailed mechanistic questions about how such enzymes move processively along DNA. Here, an optical method has been dev...

journal_title：Nucleic acids research

authors： Fili N,Mashanov GI,Toseland CP,Batters C,Wallace MI,Yeeles JT,Dillingham MS,Webb MR,Molloy JE

更新日期：2010-07-01 00:00:00

abstract：:We describe the synthesis of 2'-O-methyl, 2'-O-ethyl oligoribonucleotides and phosphorothioate oligodeoxyribonucleotides and demonstrate their utility as inhibitors of the in vitro U7 snRNP-dependent mRNA processing event. These 2'-O-modified compounds were designed to possess the binding affinity of an RNA molecule t...

journal_title：Nucleic acids research

authors： Cotten M,Oberhauser B,Brunar H,Holzner A,Issakides G,Noe CR,Schaffner G,Wagner E,Birnstiel ML

更新日期：1991-05-25 00:00:00

abstract：:MicroRNAs (miRNAs) are small non-coding RNAs that mediate gene expression at the post-transcriptional and translational levels by an imperfect binding to target mRNA 3'UTR regions. While the ab-initio computational prediction of miRNA-mRNA interactions still poses significant challenges, it is possible to overcome som...

journal_title：Nucleic acids research

authors： Sales G,Coppe A,Bicciato S,Bortoluzzi S,Romualdi C

更新日期：2010-04-01 00:00:00

abstract：:WormBase (https://wormbase.org/) is a mature Model Organism Information Resource supporting researchers using the nematode Caenorhabditis elegans as a model system for studies across a broad range of basic biological processes. Toward this mission, WormBase efforts are arranged in three primary facets: curation, user ...

journal_title：Nucleic acids research

authors： Harris TW,Arnaboldi V,Cain S,Chan J,Chen WJ,Cho J,Davis P,Gao S,Grove CA,Kishore R,Lee RYN,Muller HM,Nakamura C,Nuin P,Paulini M,Raciti D,Rodgers FH,Russell M,Schindelman G,Auken KV,Wang Q,Williams G,Wright AJ

更新日期：2020-01-08 00:00:00

abstract：:The P0 scaffold protein of the ribosomal stalk is mainly incorporated into pre-ribosomes in the cytoplasm where it replaces the assembly factor Mrt4. In analyzing the role of the P0 carboxyl terminal domain (CTD) during ribosomal stalk assembly, we found that its complete removal yields a protein that is functionally ...

journal_title：Nucleic acids research

authors： Francisco-Velilla R,Remacha M,Ballesta JP

更新日期：2013-10-01 00:00:00

abstract：:Highly toxic DNA double-strand breaks (DSBs) readily trigger the DNA damage response (DDR) in cells, which delays cell cycle progression to ensure proper DSB repair. In Saccharomyces cerevisiae, mitotic S phase (20-30 min) is lengthened upon DNA damage. During meiosis, Spo11-induced DSB onset and repair lasts up to 5 ...

journal_title：Nucleic acids research

authors： Woo TT,Chuang CN,Higashide M,Shinohara A,Wang TF

更新日期：2020-09-04 00:00:00

abstract：:We have previously shown that integration of a polyoma vector containing rodent repetitive elements into rat cellular DNA is non-random (Wallenburg et al. J. Virol. 50: 678-683). Junctions between the polyoma vector and the host DNA occur in the repetitive sequences of the vector about ten times more frequently than w...

journal_title：Nucleic acids research

authors： Wallenburg JC,Nepveu A,Chartrand P

更新日期：1987-10-12 00:00:00

abstract：:The oncogenic transformation of normal cells into malignant, rapidly proliferating cells requires major alterations in cell physiology. For example, the transformed cells remodel their metabolic processes to supply the additional demand for cellular building blocks. We have recently demonstrated essential metabolic pr...

journal_title：Nucleic acids research

authors： Shaul YD,Yuan B,Thiru P,Nutter-Upham A,McCallum S,Lanzkron C,Bell GW,Sabatini DM

更新日期：2016-01-04 00:00:00

abstract：:Aberrant Notch signaling plays a pivotal role in T-cell acute lymphoblastic leukemia (T-ALL) and chronic lymphocytic leukemia (CLL). Amplitude and duration of the Notch response is controlled by ubiquitin-dependent proteasomal degradation of the Notch1 intracellular domain (NICD1), a hallmark of the leukemogenic proce...

journal_title：Nucleic acids research

authors： Ferrante F,Giaimo BD,Bartkuhn M,Zimmermann T,Close V,Mertens D,Nist A,Stiewe T,Meier-Soelch J,Kracht M,Just S,Klöble P,Oswald F,Borggrefe T

更新日期：2020-04-17 00:00:00

abstract：:Earlier we have shown that exogenous expression of HIPPI, a molecular partner of Huntingtin interacting protein HIP-1, induces apoptosis and increases expression of caspases-1, -8 and -10 in HeLa and Neuro2A cells. The C-terminal pseudo death effector domain of HIPPI (pDED-HIPPI) specifically interacts with the putati...

journal_title：Nucleic acids research

authors： Banerjee M,Datta M,Majumder P,Mukhopadhyay D,Bhattacharyya NP

更新日期：2010-01-01 00:00:00

abstract：:Gut-enriched Krüppel-like factor (GKLF or KLF4) is a pleiotropic (activating and repressive) transcription factor. This study characterizes the mechanisms of transactivation by GKLF. Using a GAL4 fusion assay, the activating domain of murine GKLF was localized to the 109 amino acid residues in the N-terminus. Site-dir...

journal_title：Nucleic acids research

authors： Geiman DE,Ton-That H,Johnson JM,Yang VW

更新日期：2000-03-01 00:00:00

abstract：:The EcoCyc database describes the genome and gene products of Escherichia coli, its metabolic and signal-transduction pathways, and its tRNAs. The database describes 4391 genes of E.coli, 695 enzymes encoded by a subset of these genes, 904 metabolic reactions that occur in E.coli, and the organization of these reactio...

journal_title：Nucleic acids research

authors： Karp PD,Riley M,Paley SM,Pellegrini-Toole A,Krummenacker M

更新日期：1999-01-01 00:00:00

abstract：:MobA protein, encoded by the broad host-range plasmid R1162, is required for conjugal mobilization of this plasmid. The protein is an essential part of the relaxosome, and is also necessary for the termination of strand transfer. In vitro, MobA is a nuclease specific for one of the two DNA strands of the origin of tra...

journal_title：Nucleic acids research

authors： Bhattacharjee MK,Meyer RJ

更新日期：1993-09-25 00:00:00

abstract：:DNA double-strand breaks are repaired by end-joining or homologous recombination. A key-committing step of recombination is DNA end resection. In resection, phosphorylated CtIP first promotes the endonuclease of MRE11-RAD50-NBS1 (MRN). Subsequently, CtIP also stimulates the WRN/BLM-DNA2 pathway, coordinating thus both...

journal_title：Nucleic acids research

authors： Howard SM,Ceppi I,Anand R,Geiger R,Cejka P

更新日期：2020-06-04 00:00:00

abstract：:Large differences in plant genome sizes are mainly due to numerous events of insertions or deletions (indels). The balance between these events determines the evolutionary direction of genome changes. To address the question of what phenomena trigger these alterations, we compared the genomic sequences of two Arabidop...

journal_title：Nucleic acids research

authors： Ziolkowski PA,Koczyk G,Galganski L,Sadowski J

更新日期：2009-06-01 00:00:00

abstract：:The stable intermediates formed in the reaction of cytosine, cytidine and adenosine with chloracetaldehyde were isolated. The -CH2CH/OH/- bridge between the exo and endo nitrogen atoms of the parent base was found in these compounds by means of PMR spectroscopy. Their acid-induced dehydration resulted in formation of ...

journal_title：Nucleic acids research

authors： Biernat J,Ciesiołka J,Górnicki P,Adamiak RW,Kryzosiak WJ,Wiewiórowski M

更新日期：1978-03-01 00:00:00

abstract：:A UCSD Pascal program was developed which can analyze nucleic acid dot matrices of up to 9500 X 9500 in size on the Apple II computer. Although matrices of such size consume large amounts of computer memory, this program minimizes these problems by analyzing only small strips of the matrix at a time, and then transfer...

journal_title：Nucleic acids research

authors： Zweig SE

更新日期：1984-01-11 00:00:00

abstract：:Double-stranded oligonucleotides (ODNs) containing the consensus binding sequence of a transcription factor provide a rationally designed tool to manipulate gene expression at the transcriptional level by the decoy approach. However, modifications introduced into oligonucleotides to increase stability quite often do n...

journal_title：Nucleic acids research

authors： Crinelli R,Bianchi M,Gentilini L,Palma L,Sørensen MD,Bryld T,Babu RB,Arar K,Wengel J,Magnani M

更新日期：2004-03-29 00:00:00

abstract：:Search of interrelationships between the structural-functional protein organization and exon structure of encoding gene provides insights into issues concerned with the function, origin and evolution of genes and proteins. The functions of proteins and their domains are defined mostly by functional sites. The relation...

journal_title：Nucleic acids research

authors： Medvedeva I,Demenkov P,Kolchanov N,Ivanisenko V

更新日期：2012-01-01 00:00:00

abstract：:The conditions under which Drosophila melanogaster are grown markedly influence the amount of the hypermodified nucleoside Q found in certain tRNAs. This effect on Q biosynthesis was found in both the wild-type and the suppressor of sable [su(s)2] mutant. Suppressed vermilion flies [su(s)2v; bw] with 78% of the tyrosi...

journal_title：Nucleic acids research

authors： Wosnick MA,White BN

更新日期：1977-11-01 00:00:00

abstract：:Complex carbohydrates are known as mediators of complex cellular events. Concerning their structural diversity, their potential of information content is several orders of magnitude higher in a short sequence than any other biological macromolecule. SWEET-DB (http://www.dkfz.de/spec2/sweetdb/) is an attempt to use mod...

journal_title：Nucleic acids research

authors： Loss A,Bunsmann P,Bohne A,Loss A,Schwarzer E,Lang E,von der Lieth CW

更新日期：2002-01-01 00:00:00

abstract：:Base specificity in the interaction of ethidium with double stranded synthetic RNA homopolymers has been studied by means of spectroscopic (UV-visible absorption and fluorescence), microcalorimetric and dilatometric techniques. The results show a strong base specificity in this interaction, the association constant wi...

journal_title：Nucleic acids research

authors： Babayan Y,Manzini G,Xodo LE,Quadrifoglio F

更新日期：1987-07-24 00:00:00

abstract：:Several authors, including ourselves, have reported the existence of chromatosomes with DNA size larger than 166 bp in bird erythrocyte chromatin. It was tempting to correlate this increased DNA size with the presence of histone H5. In order to substantiate this hypothesis, we performed a micrococcal nuclease digestio...

journal_title：Nucleic acids research

authors： Muyldermans S,Lasters I,Wyns L,Hamers R

更新日期：1981-08-11 00:00:00

abstract：:Ribotoxins are potent inhibitors of protein biosynthesis and inactivate ribosomes from a variety of organisms. The ribotoxin alpha-sarcin cleaves the large 23S ribosomal RNA (rRNA) at the universally conserved sarcin-ricin loop (SRL) leading to complete inactivation of the ribosome and cellular death. The SRL interact...

journal_title：Nucleic acids research

authors： García-Ortega L,Alvarez-García E,Gavilanes JG,Martínez-del-Pozo A,Joseph S

更新日期：2010-07-01 00:00:00

abstract：:The Drosophila mophogenetic protein Bicoid (Bcd) can activate transcription in a concentration-dependent manner in embryos. It contains a self-inhibitory domain that can interact with the co-repressor Sin3A. In this report, we study a Bcd mutant, Bcd(A57-61), which has a strengthened self-inhibitory function and is un...

journal_title：Nucleic acids research

authors： Fu D,Ma J

更新日期：2005-07-19 00:00:00

abstract：:AvrBs3, the founding member of the Xanthomonas transcription-activator-like effectors (TALEs), is translocated into the plant cell where it localizes to the nucleus and acts as transcription factor. The DNA-binding domain of AvrBs3 consists of 17.5 nearly-identical 34 amino acid-repeats. Each repeat specifies binding ...

journal_title：Nucleic acids research

authors： Schreiber T,Bonas U

更新日期：2014-06-01 00:00:00

abstract：:The biological data explosion of the 'omics' era requires fast access to many data types in rapidly growing data banks. The MRS server allows for very rapid queries in a large number of flat-file data banks, such as EMBL, UniProt, OMIM, dbEST, PDB, KEGG, etc. This server combines a fast and reliable backend with a ver...

journal_title：Nucleic acids research

authors： Hekkelman ML,Vriend G

更新日期：2005-07-01 00:00:00