The roles of H1, the histone core and DNA length in the unfolding of nucleosomes at low ionic strength.

abstract：:The CATH database of protein domain structures (http://www.biochem.ucl.ac.uk/bsm/cath_new) currently contains 34 287 domain structures classified into 1383 superfamilies and 3285 sequence families. Each structural family is expanded with domain sequence relatives recruited from GenBank using a variety of efficient seq...

journal_title：Nucleic acids research

authors： Pearl FM,Bennett CF,Bray JE,Harrison AP,Martin N,Shepherd A,Sillitoe I,Thornton J,Orengo CA

更新日期：2003-01-01 00:00:00

abstract：:A new method for specific reamplification of DDRT-PCR products is presented. After transient ligation of the primary DDRT-PCR fragments into a T-vector, the cDNAs of interest were reamplified by hemi-nested PCR and thermally asymmetric cycles. In contrast to the originally described protocol, this method of reamplific...

journal_title：Nucleic acids research

authors： Bonnet S,Prévot G,Bourgouin C

更新日期：1998-02-15 00:00:00

abstract：:By transporting one DNA double helix (T-segment) through a double-strand break in another (G-segment), topoisomerase II reduces fractions of DNA catenanes, knots and supercoils to below equilibrium values. How DNA segments are selected to simplify the equilibrium DNA topology is enigmatic, and the biological relevance...

journal_title：Nucleic acids research

authors： Martínez-García B,Fernández X,Díaz-Ingelmo O,Rodríguez-Campos A,Manichanh C,Roca J

更新日期：2014-02-01 00:00:00

abstract：:The 5'-flanking region of the bovine prolactin gene was cloned and sequenced. The expression of chimeric gene constructs containing 5'-flanking DNA fragments from the prolactin gene joined to a reporter gene encoding human growth hormone (hGH) was examined using transiently transfected rat pituitary cells. Prolactin n...

journal_title：Nucleic acids research

authors： Wolf JB,David VA,Deutch AH

更新日期：1990-08-25 00:00:00

abstract：:The major immediate early regulatory region of human cytomegalovirus (HCMV) has a complex set of DNA sites through which both cellular and viral factors coordinately regulate immediate early gene expression. In undifferentiated human teratocarcinoma (T2) cells we have previously shown that major immediate early gene e...

journal_title：Nucleic acids research

authors： Kothari S,Baillie J,Sissons JG,Sinclair JH

更新日期：1991-04-25 00:00:00

abstract：:The interaction of Hoechst 33258 with the minor groove of the adenine-tract DNA duplex d(CTTTTGCAAAAG)2 has been studied in both D2O and H2O solutions by 1D and 2D 1H NMR spectroscopy. Thirty-one nuclear Overhauser effects between drug and nucleotide protons within the minor groove of the duplex, together with ring-cu...

journal_title：Nucleic acids research

authors： Searle MS,Embrey KJ

更新日期：1990-07-11 00:00:00

abstract：:In order to study the intragenic profiles of active transcription, we determined the relative levels of active RNA polymerase II present at the 3'- and 5'-ends of 261 yeast genes by run-on. The results obtained indicate that the 3'/5' run-on ratio varies among the genes studied by over 12 log(2) units. This ratio seem...

journal_title：Nucleic acids research

authors： Rodríguez-Gil A,García-Martínez J,Pelechano V,Muñoz-Centeno Mde L,Geli V,Pérez-Ortín JE,Chávez S

更新日期：2010-08-01 00:00:00

abstract：:In plants, small interfering RNAs (siRNAs) can trigger a silencing signal that may spread within a tissue to adjacent cells or even systemically to other organs. Movement of the signal is initially limited to a few cells, but in some cases the signal can be amplified and travel over larger distances. How far silencing...

journal_title：Nucleic acids research

authors： de Felippes FF,Ott F,Weigel D

更新日期：2011-04-01 00:00:00

abstract：:We present MultiGO, a web-enabled tool for the identification of biologically relevant gene sets from hierarchically clustered gene expression trees (http://ekhidna.biocenter.helsinki.fi/poxo/multigo). High-throughput gene expression measuring techniques, such as microarrays, are nowadays often used to monitor the exp...

journal_title：Nucleic acids research

authors： Kankainen M,Brader G,Törönen P,Palva ET,Holm L

更新日期：2006-01-01 00:00:00

abstract：:Underlying higher order chromatin organization are Structural Maintenance of Chromosomes (SMC) complexes, large protein rings that entrap DNA. The molecular mechanism by which SMC complexes organize chromatin is as yet incompletely understood. Two prominent models posit that SMC complexes actively extrude DNA loops (l...

journal_title：Nucleic acids research

authors： Gerguri T,Fu X,Kakui Y,Khatri BS,Barrington C,Bates PA,Uhlmann F

更新日期：2021-01-12 00:00:00

abstract：:Pluripotency, the ability of embryonic stem cells to differentiate into specialized cell types, is determined by ESC-specific gene regulators such as transcription factors and chromatin modification factors. It is not well understood how ESCs are poised for differentiation, however, and methods are needed for prognosi...

journal_title：Nucleic acids research

authors： Ha M,Hong S

更新日期：2017-10-13 00:00:00

abstract：:Tomato golden mosaic geminivirus has a genome of two single-stranded (ss) DNA components, A and B. An almost identical 'common' region in DNA A and DNA B is thought to contain sequence elements controlling replication and transcription. Hence investigation of sequences important for DNA replication by in vitro mutagen...

journal_title：Nucleic acids research

authors： Hayes RJ,Buck KW

更新日期：1989-12-25 00:00:00

abstract：:Onconase, a cytotoxic ribonuclease from Rana pipiens, possesses pyroglutamate (Pyr) at the N-terminus and has a substrate preference for uridine-guanine (UG). To identify residues responsible for onconase's cytotoxicity, we cloned the rpr gene from genomic DNA and expressed it in Escherichia coli BL21(DE3). The recomb...

journal_title：Nucleic acids research

authors： Liao YD,Wang SC,Leu YJ,Wang CF,Chang ST,Hong YT,Pan YR,Chen C

更新日期：2003-09-15 00:00:00

abstract：:Impaired DNA damage repair, especially deficient transcription-coupled nucleotide excision repair, leads to segmental progeroid syndromes in human patients as well as in rodent models. Furthermore, DNA double-strand break signalling has been pinpointed as a key inducer of cellular senescence. Several recent findings s...

journal_title：Nucleic acids research

authors： Grillari J,Katinger H,Voglauer R

更新日期：2007-01-01 00:00:00

abstract：:Soil salinity is a significant threat to sustainable agricultural production worldwide. Plants must adjust their developmental and physiological processes to cope with salt stress. Although the capacity for adaptation ultimately depends on the genome, the exceptional versatility in gene regulation provided by the spli...

journal_title：Nucleic acids research

authors： Gu J,Xia Z,Luo Y,Jiang X,Qian B,Xie H,Zhu JK,Xiong L,Zhu J,Wang ZY

更新日期：2018-02-28 00:00:00

abstract：:Neuroserpin is an axonally secreted serine protease inhibitor expressed in the nervous system that protects neurons from ischemia-induced apoptosis. Mutant neuroserpin forms have been found polymerized in inclusion bodies in a familial autosomal encephalopathy causing dementia, or associated with epilepsy. Regulation ...

journal_title：Nucleic acids research

authors： Cuadrado A,Navarro-Yubero C,Furneaux H,Kinter J,Sonderegger P,Muñoz A

更新日期：2002-05-15 00:00:00

abstract：:In most eukaryotes, genetic exchange between paired homologs occurs in the context of a tripartite proteinaceous structure called the synaptonemal complex (SC). Genetic analyses have revealed that the genes encoding SC proteins are vital for meiotic chromosome pairing and recombination. However, the number, nature and...

journal_title：Nucleic acids research

authors： Anuradha S,Muniyappa K

更新日期：2004-04-28 00:00:00

abstract：:Trf4/5p-Air1/2p-Mtr4p polyadenylation complex (TRAMP) is an essential component of nuclear RNA surveillance in yeast. It recognizes a variety of nuclear transcripts produced by all three RNA polymerases, adds short poly(A) tails to aberrant or unstable RNAs and activates the exosome for their degradation. Despite the ...

journal_title：Nucleic acids research

authors： Holub P,Lalakova J,Cerna H,Pasulka J,Sarazova M,Hrazdilova K,Arce MS,Hobor F,Stefl R,Vanacova S

更新日期：2012-07-01 00:00:00

abstract：:We have used paired-end sequencing of yeast nucleosomal DNA to obtain accurate genomic maps of nucleosome positions and occupancies in control cells and cells treated with 3-aminotriazole (3AT), an inducer of the transcriptional activator Gcn4. In control cells, 3AT-inducible genes exhibit a series of distinct nucleos...

journal_title：Nucleic acids research

authors： Cole HA,Howard BH,Clark DJ

更新日期：2011-12-01 00:00:00

abstract：:The potent anticancer drug actinomycin D (ActD) functions by intercalating into DNA at GpC sites, thereby interrupting essential biological processes including replication and transcription. Certain neurological diseases are correlated with the expansion of (CGG)n trinucleotide sequences, which contain many contiguous...

journal_title：Nucleic acids research

authors： Lo YS,Tseng WH,Chuang CY,Hou MH

更新日期：2013-04-01 00:00:00

abstract：:PDB-REPRDB is a database of representative protein chains from the Protein Data Bank (PDB). Started at the Real World Computing Partnership (RWCP) in August 1997, it developed to the present system of PDB-REPRDB. In April 2001, the system was moved to the Computational Biology Research Center (CBRC), National Institut...

journal_title：Nucleic acids research

authors： Noguchi T,Akiyama Y

更新日期：2003-01-01 00:00:00

abstract：:The structure-specific Mus81-Eme1/Mms4 endonuclease contributes importantly to DNA repair and genome integrity maintenance. Here, using budding yeast, we have studied its function and regulation during the cellular response to DNA damage and show that this endonuclease is necessary for successful chromosome replicatio...

journal_title：Nucleic acids research

authors： Saugar I,Vázquez MV,Gallo-Fernández M,Ortiz-Bazán MÁ,Segurado M,Calzada A,Tercero JA

更新日期：2013-10-01 00:00:00

abstract：:A key issue when designing and using DNA-targeting nucleases is specificity. Ideally, an optimal DNA-targeting tool has only one recognition site within a genomic sequence. In practice, however, almost all designer nucleases available today can accommodate one to several mutations within their target site. The ability...

journal_title：Nucleic acids research

authors： Juillerat A,Dubois G,Valton J,Thomas S,Stella S,Maréchal A,Langevin S,Benomari N,Bertonati C,Silva GH,Daboussi F,Epinat JC,Montoya G,Duclert A,Duchateau P

更新日期：2014-04-01 00:00:00

abstract：:Infection of Escherichia coli by a bacteriophage T4 regA, gene 44 double mutant leads to about a 7-fold increase in the amount of RNA ligase obtained after infection by wild-type phage. Using cells infected by the double mutant, RNA ligase was purified to homogeneity with a 20% yield. Unlike previous preparations of t...

journal_title：Nucleic acids research

authors： Higgins NP,Geballe AP,Snopek TJ,Sugino A,Cozzarelli NR

更新日期：1977-09-01 00:00:00

abstract：:An oligonucleotide hybrid is described which possesses two triple helix forming oligonucleotides which have been connected by a flexible polymeric linker chain. As a prototype, binding of this class of oligonucleotide to duplex DNA has been studied using a segment of the HSV-1 D-glycoprotein promoter, which possesses ...

journal_title：Nucleic acids research

authors： Kessler DJ,Pettitt BM,Cheng YK,Smith SR,Jayaraman K,Vu HM,Hogan ME

更新日期：1993-10-11 00:00:00

abstract：:Originally identified as an RNA polymerase II interactor, Che-1/AATF (Che-1) has now been recognized as a multifunctional protein involved in cell-cycle regulation and cancer progression, as well as apoptosis inhibition and response to stress. This protein displays a peculiar nucleolar localization and it has recently...

journal_title：Nucleic acids research

authors： Sorino C,Catena V,Bruno T,De Nicola F,Scalera S,Bossi G,Fabretti F,Mano M,De Smaele E,Fanciulli M,Iezzi S

更新日期：2020-06-19 00:00:00

abstract：:A requirement for specific RNA folding is that the free-energy landscape discriminate against non-native folds. While tertiary interactions are critical for stabilizing the native fold, they are relatively non-specific, suggesting additional mechanisms contribute to tertiary folding specificity. In this study, we use ...

journal_title：Nucleic acids research

authors： Mustoe AM,Al-Hashimi HM,Brooks CL 3rd

更新日期：2016-01-08 00:00:00

abstract：:Base compositions were examined at every position in codons of more than 50 genes from taxonomically different bacteria and of the corresponding antisense sequences on the bacterial genes. We propose that the nonstop frame on antisense strand [NSF(a)] of GC-rich bacterial genes is the most promising sequence for newly...

journal_title：Nucleic acids research

authors： Ikehara K,Amada F,Yoshida S,Mikata Y,Tanaka A

更新日期：1996-11-01 00:00:00

abstract：:RNA secondary structures, e.g. stem-loops that are often found at the 5' and 3' ends of mRNAs, are in many cases known to be crucial for transcript stability but their role in prolonging the lifetime of transcripts remains elusive. In this study we show for an essential RNA-stabilizing stem-loop at the 5' end of rbcL ...

journal_title：Nucleic acids research

authors： Suay L,Salvador ML,Abesha E,Klein U

更新日期：2005-08-22 00:00:00

abstract：:Elucidating the dynamic organization of nuclear RNA foci is important for understanding and manipulating these functional sites of gene expression in both physiological and pathological states. However, such studies have been difficult to establish in vivo as a result of the absence of suitable RNA imaging methods. He...

journal_title：Nucleic acids research

authors： Oomoto I,Suzuki-Hirano A,Umeshima H,Han YW,Yanagisawa H,Carlton P,Harada Y,Kengaku M,Okamoto A,Shimogori T,Wang DO

更新日期：2015-10-30 00:00:00