The Zebrafish Information Network: the zebrafish model organism database provides expanded support for genotypes and phenotypes.

abstract：:The Genotyping tool at the National Center for Biotechnology Information is a web-based program that identifies the genotype (or subtype) of recombinant or non-recombinant viral nucleotide sequences. It works by using BLAST to compare a query sequence to a set of reference sequences for known genotypes. Predefined ref...

journal_title：Nucleic acids research

authors： Rozanov M,Plikat U,Chappey C,Kochergin A,Tatusova T

更新日期：2004-07-01 00:00:00

abstract：:Non-homologous DNA end joining (NHEJ) is considered the major pathway of double-strand break (DSB) repair in mammalian cells and depends, among other things, on the DNA end-binding Ku70/80 hetero-dimer. To investigate the function of Ku in NHEJ we have compared the ability of cell-free extracts from wild-type CHO-K1 c...

journal_title：Nucleic acids research

authors： Feldmann E,Schmiemann V,Goedecke W,Reichenberger S,Pfeiffer P

更新日期：2000-07-01 00:00:00

abstract：:Five peaks of DNA glycosylase activity showing a preference for MNNG alkylated DNA have been identified from extracts of adapted M. luteus. They are numerically designated as GI to GV in order of their decreasing molecular weights. The first two of these peaks have been highly purified. GI, is a constitutive heat labi...

journal_title：Nucleic acids research

authors： Riazuddin S,Athar A,Ahmed Z,Lali SM,Sohail A

更新日期：1987-08-25 00:00:00

abstract：:The RNA-dependent RNA polymerases (RdRPs) encoded by RNA viruses represent a unique class of nucleic acid polymerases. RdRPs are essential in virus life cycle due to their central role in viral genome replication/transcription processes. However, their contribution in host adaption has not been well documented. By sol...

journal_title：Nucleic acids research

authors： Yang J,Jing X,Yi W,Li XD,Yao C,Zhang B,Zheng Z,Wang H,Gong P

更新日期：2021-01-06 00:00:00

abstract：:Reactive oxygen species produced by endogenous metabolic activity and exposure to a multitude of exogenous agents impact cells in a variety of ways. The DNA base damage 8-oxodeoxyguanosine (8-oxodG) is a prominent indicator of oxidative stress and has been well-characterized as a premutagenic lesion in mammalian cells...

journal_title：Nucleic acids research

authors： Ghosh R,Mitchell DL

更新日期：1999-08-01 00:00:00

abstract：:UHRF1 plays multiple roles in regulating DNMT1-mediated DNA methylation maintenance during DNA replication. The UHRF1 C-terminal RING finger functions as an ubiquitin E3 ligase to establish histone H3 ubiquitination at Lys18 and/or Lys23, which is subsequently recognized by DNMT1 to promote its localization onto repli...

journal_title：Nucleic acids research

authors： Li T,Wang L,Du Y,Xie S,Yang X,Lian F,Zhou Z,Qian C

更新日期：2018-04-06 00:00:00

abstract：:We have determined the complete nucleotide sequence of the regions of mouse ribosomal RNA transcription unit which separate mature rRNA genes. These internal transcribed spacers (ITS) are excised from rRNA precursor during ribosome biosynthesis. ITS 1, between 18S and 5.8S rRNA genes, is 999 nucleotides long. ITS 2, b...

journal_title：Nucleic acids research

authors： Michot B,Bachellerie JP,Raynal F

更新日期：1983-05-25 00:00:00

abstract：:Exon trapping is a method to functionally clone expressed sequences from genomic DNA. We have previously developed the vector system pETV-SD2, which contains only a splice donor site (SD) followed by a LacZ gene, allowing trapping of internal exons of human genes by blue-white selection. We now describe the adaptation...

journal_title：Nucleic acids research

authors： Datson NA,Duyk GM,Van Ommen JB,Den Dunnen JT

更新日期：1994-10-11 00:00:00

abstract：:Mutations in mammalian and Drosophila Hel308 and PolQ paralogues cause genome instability but their helicase functions are mysterious. By in vivo and in vitro analysis, we show that Hel308 from archaea (Hel308a) may act at stalled replication forks. Introducing hel308a into Escherichia coli dnaE strains that condition...

journal_title：Nucleic acids research

authors： Guy CP,Bolt EL

更新日期：2005-06-30 00:00:00

abstract：:The somatic V(D)J recombination for the assembly of the Ig and TCR genes is mediated by the recombination signal sequences (Rss) and the V(D)J recombinase. A cDNA clone was isolated from a lambda gt11 expression library made from mouse thymocyte poly(A)+ RNA, using the Rss as a ligand. The deduced amino acid sequence ...

journal_title：Nucleic acids research

authors： Wu LC,Mak CH,Dear N,Boehm T,Foroni L,Rabbitts TH

更新日期：1993-11-11 00:00:00

abstract：:The chloroplast ribosomal protein CS1 is an essential component of the plastids translational machinery involved in translation initiation. Southern analysis suggests that the corresponding nuclear gene is present in one copy in the spinach genome. We have isolated and sequenced the gene (rps1) to study its expression...

journal_title：Nucleic acids research

authors： Franzetti B,Zhou DX,Mache R

更新日期：1992-08-25 00:00:00

abstract：:A 15-residue sequence motif has been found in many polymerases from various species and involving DNA and RNA dependence and product. The motif is characterized by a Tyr-Gly-Asp-(Thr)-Asp core flanked by hydrophobic spans five residues in length. An mRNA maturase segment is also suggested to display the motif pattern....

journal_title：Nucleic acids research

authors： Argos P

更新日期：1988-11-11 00:00:00

abstract：:Many microRNAs (miRNAs) are co-regulated during the same physiological process but the underlying cellular logic is often little understood. The conserved, immunomodulatory miRNAs miR-146 and miR-155, for instance, are co-induced in many cell types in response to microbial lipopolysaccharide (LPS) to feedback-repress ...

journal_title：Nucleic acids research

authors： Schulte LN,Westermann AJ,Vogel J

更新日期：2013-01-07 00:00:00

abstract：:Natural transformation is a major mechanism of horizontal gene transfer in bacteria that depends on DNA recombination. RecA is central to the homologous recombination pathway, catalyzing DNA strand invasion and homology search. DprA was shown to be a key binding partner of RecA acting as a specific mediator for its lo...

journal_title：Nucleic acids research

authors： Lisboa J,Andreani J,Sanchez D,Boudes M,Collinet B,Liger D,van Tilbeurgh H,Guérois R,Quevillon-Cheruel S

更新日期：2014-06-01 00:00:00

abstract：:A method for the facile preparation of oligoribonucleotide analogues containing beta-d-allofuranosyl nucleosides with additional functional groups tethered to the 6'-O positions is presented. It is based on the synthesis of two protected nucleosides carrying a 6'-O -bromopentyl and a 6'-O -methylaminopentyl substituen...

journal_title：Nucleic acids research

authors： Wu X,Pitsch S

更新日期：1998-10-01 00:00:00

abstract：:TRF1, a duplex telomeric DNA-binding protein, plays an important role in telomere metabolism. We have previously reported that a fraction of endogenous TRF1 can stably exist free of telomere chromatin when it is phosphorylated at T371 by Cdk1; however, the role of this telomere-free (pT371)TRF1 has yet to be fully cha...

journal_title：Nucleic acids research

authors： McKerlie M,Walker JR,Mitchell TR,Wilson FR,Zhu XD

更新日期：2013-12-01 00:00:00

abstract：:Silencing gene expression by siRNAs is rapidly becoming a powerful tool for the genetic analysis of mammalian cells. However, the rapid degradation of siRNA and the limited duration of its action call for an efficient delivery technology. Accordingly, we describe here that Atelocollagen complexed with siRNA is resista...

journal_title：Nucleic acids research

authors： Minakuchi Y,Takeshita F,Kosaka N,Sasaki H,Yamamoto Y,Kouno M,Honma K,Nagahara S,Hanai K,Sano A,Kato T,Terada M,Ochiya T

更新日期：2004-07-22 00:00:00

abstract：:Biological networks are a topic of great current interest, particularly with the publication of a number of large genome-wide interaction datasets. They are globally characterized by a variety of graph-theoretic statistics, such as the degree distribution, clustering coefficient, characteristic path length and diamete...

journal_title：Nucleic acids research

authors： Yu H,Zhu X,Greenbaum D,Karro J,Gerstein M

更新日期：2004-01-14 00:00:00

abstract：:Multiple sequence alignments play a central role in the annotation of novel genomes. Given the biological and computational complexity of this task, the automatic generation of high-quality alignments remains challenging. Since multiple alignments are usually employed at the very start of data analysis pipelines, it i...

journal_title：Nucleic acids research

authors： Lassmann T,Sonnhammer EL

更新日期：2005-12-16 00:00:00

abstract：:DNA supercoiling is an important regulator of gene activity. The transmission of transcription-generated supercoiling wave along a DNA helix provides a way for a gene being transcribed to communicate with and regulate its neighboring genes. Currently, the dynamic behavior of supercoiling transmission remains unclear o...

journal_title：Nucleic acids research

authors： Xia Y,Zheng KW,He YD,Liu HH,Wen CJ,Hao YH,Tan Z

更新日期：2018-08-21 00:00:00

abstract：:In spermidine-condensed calf thymus DNA preparations, torus-shaped condensates were shown by transmission electron microscopy to exist under the hydrated conditions of the freeze fracture experiment. Using extremely low Pt metal deposition levels (9 A Pt/C) high-contrast replicas of the spermidine-DNA toruses were obt...

journal_title：Nucleic acids research

authors： Marx KA,Ruben GC

更新日期：1983-03-25 00:00:00

abstract：:Work from a number of laboratories has indicated that the TATA box sequence can act as a basal promoter element not only for RNA polymerase II (RNAP II) transcription, but also for transcription by RNA polymerase III (RNAP III). We previously reported that, in the absence of other cis-acting elements, the canonical TA...

journal_title：Nucleic acids research

authors： Wang Y,Jensen RC,Stumph WE

更新日期：1996-08-01 00:00:00

abstract：:In this article, we introduce the Gypsy Database (GyDB) of mobile genetic elements, an in-progress database devoted to the non-redundant analysis and evolutionary-based classification of mobile genetic elements. In this first version, we contemplate eukaryotic Ty3/Gypsy and Retroviridae long terminal repeats (LTR) ret...

journal_title：Nucleic acids research

authors： Lloréns C,Futami R,Bezemer D,Moya A

更新日期：2008-01-01 00:00:00

abstract：:The nucleotide sequence of a Pseudomonas trans-zeatin producing gene (ptz) from the pCK1 plasmid of Pseudomonas syringae pv. savastanoi strain 1006 has been determined. This gene confers upon E. coli the ability to synthesize and secrete several cytokinins including trans-zeatin, iso-pentenyladenine and their respecti...

journal_title：Nucleic acids research

authors： Powell GK,Morris RO

更新日期：1986-03-25 00:00:00

abstract：:The chromatin-remodelling complex B-WICH, comprised of William syndrome transcription factor, the ATPase SNF2h and nuclear myosin, specifically activates RNA polymerase III transcription of the 5S rRNA and 7SL genes. However, the underlying mechanism is unknown. Using high-resolution MN walking we demonstrate here tha...

journal_title：Nucleic acids research

authors： Sadeghifar F,Böhm S,Vintermist A,Östlund Farrants AK

更新日期：2015-05-19 00:00:00

abstract：:The self-assembly of bis-biotinylated double-stranded DNA and the tetravalent biotin-binding protein streptavidin (STV) have been studied by non-denaturing gel electrophoresis and atomic force microscopy (AFM). The rapid self-assembly reproducibly generated populations of individual oligomeric complexes. Most striking...

journal_title：Nucleic acids research

authors： Niemeyer CM,Adler M,Pignataro B,Lenhert S,Gao S,Chi L,Fuchs H,Blohm D

更新日期：1999-12-01 00:00:00

abstract：:Repression of cellular reprogramming in germ cells is critical to maintaining cell fate and fertility. When germ cells mis-express somatic genes they can be directly converted into other cell types, resulting in loss of totipotency and reproductive potential. Identifying the molecular mechanisms that coordinate these ...

journal_title：Nucleic acids research

authors： Rogers AK,Phillips CM

更新日期：2020-05-07 00:00:00

abstract：:The sequence requirements for specific and efficient transcription from the 16S/23S rRNA promoter of Sulfolobus shibatae were analysed by point mutations and by cassette mutations using an in vitro transcription system. The examination of the box A-containing distal promoter element (DPE) showed the great importance o...

journal_title：Nucleic acids research

authors： Hain J,Reiter WD,Hüdepohl U,Zillig W

更新日期：1992-10-25 00:00:00

abstract：:We previously showed that histone H4 serine-1 phosphorylation (H4S1ph) is evolutionarily conserved during gametogenesis, and contributes to post-meiotic nuclear compaction and to full completion of sporulation in the yeast Saccharomyces cerevisiae. Previous studies showed that H4S1ph and another modification of the sa...

journal_title：Nucleic acids research

authors： Govin J,Schug J,Krishnamoorthy T,Dorsey J,Khochbin S,Berger SL

更新日期：2010-08-01 00:00:00

abstract：:MatrixDB (http://matrixdb.ibcp.fr) is a freely available database focused on interactions established by extracellular proteins and polysaccharides. Only few databases report protein-polysaccharide interactions and, to the best of our knowledge, there is no other database of extracellular interactions. MatrixDB takes ...

journal_title：Nucleic acids research

authors： Chautard E,Fatoux-Ardore M,Ballut L,Thierry-Mieg N,Ricard-Blum S

更新日期：2011-01-01 00:00:00