MolliGen, a database dedicated to the comparative genomics of Mollicutes.

abstract：:Quantitative real-time PCR has revolutionized many aspects of genetic research, biomedical diagnostics and pathogen detection. Nevertheless, the full potential of this technology has yet to be realized, primarily due to the limitations of the threshold-based methodologies that are currently used for quantitative analy...

journal_title：Nucleic acids research

authors： Rutledge RG

更新日期：2004-12-15 00:00:00

abstract：:The erbAalpha gene encodes two alpha-thyroid hormone receptor isoforms, TRalpha1 and TRalpha2, which arise from alternatively processed mRNAs, erbAalpha1 (alpha1) and erb alpha2 (alpha2). The splicing and alternative polyadenylation patterns of these mRNAs resemble that of mRNAs encoding different forms of immunoglobu...

journal_title：Nucleic acids research

authors： Hastings ML,Milcarek C,Martincic K,Peterson ML,Munroe SH

更新日期：1997-11-01 00:00:00

abstract：:DNA damage tolerance (DDT) is responsible for genomic stability and cell viability by bypassing the replication block. In Saccharomyces cerevisiae DDT employs two parallel branch pathways to bypass the DNA lesion, namely translesion DNA synthesis (TLS) and error-free lesion bypass, which are mediated by sequential mod...

journal_title：Nucleic acids research

authors： Xu X,Lin A,Zhou C,Blackwell SR,Zhang Y,Wang Z,Feng Q,Guan R,Hanna MD,Chen Z,Xiao W

更新日期：2016-06-20 00:00:00

abstract：:The DNA topoisomerase from Agrobacterium tumefaciens has been purified to apparent homogeneity. The enzyme is a single polypeptide of about 100,000 in molecular weight. No apparent separation of the nicking and sealing activities could be obtained in attempts to separate the two activities by a variety of methods, inc...

journal_title：Nucleic acids research

authors： LeBon JM,Agarwal S,Chirikjian JG

更新日期：1981-02-25 00:00:00

abstract：:Computational modelling of mammalian cell cycle regulation is a challenging task, which requires comprehensive knowledge on many interrelated processes in the cell. We have developed a web-based integrated database on cell cycle regulation in mammals in normal and pathological states (Cyclonet database). It integrates...

journal_title：Nucleic acids research

authors： Kolpakov F,Poroikov V,Sharipov R,Kondrakhin Y,Zakharov A,Lagunin A,Milanesi L,Kel A

更新日期：2007-01-01 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：:One of the greatest challenges that modern molecular biology is facing is the understanding of the complex mechanisms regulating gene expression. A fundamental step in this process requires the characterization of regulatory motifs playing key roles in the regulation of gene expression at transcriptional and post-tran...

journal_title：Nucleic acids research

authors： Pavesi G,Mereghetti P,Mauri G,Pesole G

更新日期：2004-07-01 00:00:00

abstract：:Chromatin boundaries regulate gene expression by modulating enhancer-promoter interactions and insulating transcriptional influences from organized chromatin. However, mechanistic distinctions between these two aspects of boundary function are not well understood. Here we show that SF1, a chromatin boundary located in...

journal_title：Nucleic acids research

authors： Majumder P,Roy S,Belozerov VE,Bosu D,Puppali M,Cai HN

更新日期：2009-07-01 00:00:00

abstract：:Phosphorylation of the easily accessible 3',5'-diesters 1a-d with diphenyl phosphorochloridate, followed by selective 5'-deacylation, affords the phosphotriester derivatives 2a-d in good yields. Alkaline treatment of 2a-d results in the formation of the 2',3'-cyclic phosphates (3a-d). The usefulness of the phosphotrie...

journal_title：Nucleic acids research

authors： van Boom JH,Burgers PM,Haasnoot CA

更新日期：1976-10-01 00:00:00

abstract：:Streptomyces bldA gene, which encodes a tRNA corresponding to a very minor leucine codon, UUA, regulates pleiotropic gene expression which is involved in sporulation and secondary metabolism. The unique structural feature of this tRNA is the lack of GG sequence in dihydrouridine loop (D-loop) that generally is conserv...

journal_title：Nucleic acids research

authors： Ueda Y,Kumagai I,Miura K

更新日期：1992-08-11 00:00:00

abstract：:Enzymes that form transient DNA-protein covalent complexes are targets for several potent classes of drugs used to treat infectious disease and cancer, making it important to establish robust and rapid procedures for analysis of these complexes. We report a method for isolation of DNA-protein adducts and their identif...

journal_title：Nucleic acids research

authors： Kiianitsa K,Maizels N

更新日期：2014-07-01 00:00:00

abstract：:Recently, we described a method for multiplex genome editing by natural transformation (MuGENT). Mutant constructs for MuGENT require large arms of homology (>2000 bp) surrounding each genome edit, which necessitates laborious in vitro DNA splicing. In Vibrio cholerae, we uncover that this requirement is due to cytopl...

journal_title：Nucleic acids research

authors： Dalia TN,Yoon SH,Galli E,Barre FX,Waters CM,Dalia AB

更新日期：2017-07-07 00:00:00

abstract：:Antimicrobial peptides (AMPs) are gaining importance as anti-infective agents. Here we describe the updated Collection of Antimicrobial Peptide (CAMP) database, available online at http://www.camp.bicnirrh.res.in/. The 3D structures of peptides are known to influence antimicrobial activity. Although there exists datab...

journal_title：Nucleic acids research

authors： Waghu FH,Gopi L,Barai RS,Ramteke P,Nizami B,Idicula-Thomas S

更新日期：2014-01-01 00:00:00

abstract：:Rapid characterization of unknown biological samples is under the focus of many current studies. Here we report a method for screening of biological samples by optical mapping of their DNA. We use a novel, one-step chemo-enzymatic reaction to covalently bind fluorophores to DNA at the four-base recognition sites of a ...

journal_title：Nucleic acids research

authors： Grunwald A,Dahan M,Giesbertz A,Nilsson A,Nyberg LK,Weinhold E,Ambjörnsson T,Westerlund F,Ebenstein Y

更新日期：2015-10-15 00:00:00

abstract：:Mutations of the KRAS proto-oncogene are associated with several tumor types, which is why it is being considered as a target for anti-cancer drug development. The human KRAS promoter contains a nuclease hypersensitive element (NHE), which can bind to nuclear proteins and is believed to form G-quadruplex structures. P...

journal_title：Nucleic acids research

authors： Podbevšek P,Plavec J

更新日期：2016-01-29 00:00:00

abstract：:A physical map is presented for the 1200 kb genome of Mycoplasma mycoides subsp. mycoides Y, locating 32 cleavage sites for 8 restriction endonucleases. The large restriction fragments involved were separated and sized by pulsed-field agarose gel electrophoresis. Their locations on the map were determined by probing S...

journal_title：Nucleic acids research

authors： Pyle LE,Finch LR

更新日期：1988-07-11 00:00:00

abstract：:A RNA interference (RNAi) like mechanism is involved in elimination of thousands of DNA segments from the developing somatic macronucleus of Tetrahymena, yet how specific internal eliminated sequences (IESs) are recognized remains to be fully elucidated. To define requirements for DNA rearrangement, we performed mutag...

journal_title：Nucleic acids research

authors： Kowalczyk CA,Anderson AM,Arce-Larreta M,Chalker DL

更新日期：2006-01-01 00:00:00

abstract：:The T box transcription antitermination regulatory system, found in Gram-positive bacteria, is dependent on a complex set of interactions between uncharged tRNA and the 5'-untranslated mRNA leader region of the regulated gene. One of these interactions involves the base pairing of the acceptor end of cognate tRNA with...

journal_title：Nucleic acids research

authors： Fauzi H,Jack KD,Hines JV

更新日期：2005-05-06 00:00:00

abstract：:Toscana virus (TOSV) is an arthropod-borne human pathogen responsible for seasonal outbreaks of fever and meningoencephalitis in the Mediterranean basin. TOSV is a segmented negative-strand RNA virus (sNSV) that belongs to the genus phlebovirus (family Phenuiviridae, order Bunyavirales), encompassing other important h...

journal_title：Nucleic acids research

authors： Jones R,Lessoued S,Meier K,Devignot S,Barata-García S,Mate M,Bragagnolo G,Weber F,Rosenthal M,Reguera J

更新日期：2019-11-18 00:00:00

abstract：:The locus DXS269 (P20) defines a deletion hotspot in the distal part of the Duchenne Muscular Dystrophy gene. We have cloned over 90 kilobase-pairs of genomic DNA from this region in overlapping cosmids. The use of whole cosmids as probes in a competitive DNA hybridization analysis proves a fast and convenient method ...

journal_title：Nucleic acids research

authors： Blonden LA,den Dunnen JT,van Paassen HM,Wapenaar MC,Grootscholten PM,Ginjaar HB,Bakker E,Pearson PL,van Ommen GJ

更新日期：1989-07-25 00:00:00

abstract：:MODPROPEP is a web server for knowledge-based modeling of protein-peptide complexes, specifically peptides in complex with major histocompatibility complex (MHC) proteins and kinases. The available crystal structures of protein-peptide complexes in PDB are used as templates for modeling peptides of desired sequence in...

journal_title：Nucleic acids research

authors： Kumar N,Mohanty D

更新日期：2007-07-01 00:00:00

abstract：:A 9.2 kb segment of the maxi-circle of Trypanosoma brucei mitochondrial DNA contains the genes for cytochrome c oxidase subunits I and II (coxI and coxII) and seven Unassigned Reading Frames ("URFs"). The genes for coxI and coxII display considerable homology at the aminoacid level (38 and 25%, respectively) to the co...

journal_title：Nucleic acids research

authors： Hensgens LA,Brakenhoff J,De Vries BF,Sloof P,Tromp MC,Van Boom JH,Benne R

更新日期：1984-10-11 00:00:00

abstract：:Minimized trans-acting HDV ribozyme systems consisting of three (Rz-3) and two (Rz-2) RNA strands were prepared and their folding conformations were analyzed by NMR spectroscopy. The guanosine residues in one of the enzyme components of Rz-3 were labeled with 13C and 15N. Imino proton signals were assigned by analysis...

journal_title：Nucleic acids research

authors： Tanaka Y,Hori T,Tagaya M,Sakamoto T,Kurihara Y,Katahira M,Uesugi S

更新日期：2002-02-01 00:00:00

abstract：:Superhelical PM2 DNA can be photochemically modified by u.v. irradiation. The variation of S20,w with dose shows the following characteristics. There is a linear increase from 28 to 31s produced by a low dose of u.v. irradiation (4,000 ergs/mm2). A plateau in S20,w occurs between 4,000 and 10,000 ergs/mm2. The S20,w t...

journal_title：Nucleic acids research

authors： Woodworth-Gutai M,Lebowitz J,Kato AC,Denhardt DT

更新日期：1977-01-01 00:00:00

abstract：:We describe here a novel method for integrating gene and miRNA expression profiles in cancer using feed-forward loops (FFLs) consisting of transcription factors (TFs), miRNAs and their common target genes. The dChip-GemiNI (Gene and miRNA Network-based Integration) method statistically ranks computationally predicted ...

journal_title：Nucleic acids research

authors： Yan Z,Shah PK,Amin SB,Samur MK,Huang N,Wang X,Misra V,Ji H,Gabuzda D,Li C

更新日期：2012-09-01 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：:A study of the synthesis of oligothymidylates via phosphotriester intermediates on a polystyrene support is described. The sequence involves condensation of a phenyl nucleoside-3' -phosphorochloridate with the 5'-hydroxyl group of the carrier bound oligonucleotide derivative in the presence of 1-methylimidazole. Condi...

journal_title：Nucleic acids research

authors： Pless RC,Letsinger RL

更新日期：1975-06-01 00:00:00

abstract：:We report here spectroscopic and biochemical data of a novel series of sugar-modified oligodeoxy-nucleotides, the carbocyclic oligothymidylates, c(dT)3-20. In c(dT)n a methylene group has been substituted for the oxygen atom of the deoxyribose ring of the natural thymidylate unit. c(dT)10-20 form helical structures, i...

journal_title：Nucleic acids research

authors： Sági J,Szemzõ A,Szécsi J,Otvös L

更新日期：1990-04-25 00:00:00

abstract：:Previous evidence indicates that telomeres resemble common fragile sites and present a challenge for DNA replication. The precise impediments to replication fork progression at telomeric TTAGGG repeats are unknown, but are proposed to include G-quadruplexes (G4) on the G-rich strand. Here we examined DNA synthesis and...

journal_title：Nucleic acids research

authors： Lormand JD,Buncher N,Murphy CT,Kaur P,Lee MY,Burgers P,Wang H,Kunkel TA,Opresko PL

更新日期：2013-12-01 00:00:00

abstract：:We have studied the role of the C-terminal domain of the alpha subunit (alphaCTD) of Escherichia coli RNA polymerase during transcription initiation at promoters lacking an UP-element. The temperature requirement for open complex formation was used as an indication of the kinetics of this process. We have previously s...

journal_title：Nucleic acids research

authors： Burns HD,Ishihama A,Minchin SD

更新日期：1999-05-01 00:00:00