Báo cáo khoa học: Chromatin dynamics at DNA replication, transcription and repair pdf

... cooperate to break and remake chromatin during nuclear processes on the DNA template. Keywords: chromatin assembly; chromatin remodeling; chromatin; DNA repair; elongation; epigenome; hetero- chromatin; ... 1061–1066. Ó FEBS 2004 Chromatin dynamics (Eur. J. Biochem. 271) 2349 REVIEW ARTICLE Chromatin dynamics at DNA replication, transcription and repair Ann...

Ngày tải lên: 16/03/2014, 16:20

... a browsing and retrieval system for articles in TV newscasts and newspapers. 1 Introduction Pattern information and natural language informa- tion used together can complement and reinforce ... following modalities: • image information, • speech information, and • text information (telops). In TV newscasts, the image and the speech infor- mation are main modalities. Howev...

Ngày tải lên: 17/03/2014, 07:20

... TOWARDS AN AUTOMATIC IDENTI~ICATION 0F TOPIC AND FOCUS Eva HaJi~ov~ and Petr Sgall Paculty of Mathematics and Physics Charles University Malostransk~ n. 25 ... hierarchies are that of dependency syn- tax (close to case grammar) and that of coordination (and apposition) relations. The basic task of a description of TPA is to handle the differences ... semantic (truth- -condi...

Ngày tải lên: 18/03/2014, 02:20

... generate a set of candidate segmentations and select between them according to the MDL princi- ple. We evaluate several algorithms for gen- erating these candidate segmentations on a range of natural ... to generate a relatively small number of candidate segmentations to choose between. It is an empirical question which algorithm will generate the most effective set of candidate segmentatio...

Ngày tải lên: 30/03/2014, 21:20

... (2000) Molecular dynamics simulations of PNAÆ Effect of A .C mismatch in PNA DNA and DNA duplexes T. Rathinavelan and N. Yathindra 4068 FEBS Journal 272 (2005) 4055–4070 ª 2005 FEBS DNA and PNAÆRNA ... vicinity of A C mismatch in PNA DNA and DNA duplexes Intra strand base stacking at the AC(6–7) (Fig. 2A) & CC(7–8) steps (Fig. 2B) of the DNA strand, and GA(23–24) (...

Ngày tải lên: 07/03/2014, 21:20

... cycle, participating in gene transcription, DNA replication, and viral episome migration. All of these functions rely on primary target recognition by its dimeric DNA- binding domain. In this work, ... structure are likely to induce a different DNA deformation upon E2 binding. The transcriptional regulation, growth inhibition and replication functions of E2 are mediated through it...

Ngày tải lên: 16/03/2014, 10:20

... available data and their impact on our knowledge of both nucleosomal structure and the dynamics of nucleosome and chromatin fiber assembly and organization. Abbreviations ACF, ATP-dependent chromatin ... (NAP-1) and ATP-dependent chromatin assembly and remodel- ing factor (ACF) assembled chromatin and (d) chro- matin assembled in nuclear extracts. These distinct substra...

Ngày tải lên: 14/02/2014, 18:20

... is perfectly correlated with the rearing temperature (up at male-determining temperatures and down at female- determining temperatures) [26]. Dmrt1 expression in fish and other vertebrates, what does it ... Overall, it is now clear that, at least in fish Dmrt1-regulating aromatase expression and by implication the estrogen ⁄ androgen balance that would also feedback (negatively or p...

Ngày tải lên: 14/02/2014, 19:20

... histones, chromatin associated proteins and transcription fac- tors. Georgatus and colleagues isolated mononucleo- somes attached to the LBR, from fractions of peripheral heterochromatin and demonstrated ... unwrapped euchromatin at the nucleoplasm, and of gene-silenced condensed heterochromatin at the vicinity of the INM are circled. In the latter state, epigenetic modificatio...

Ngày tải lên: 19/02/2014, 02:20

... The single-stranded DNA (ssDNA) and double-stranded Keywords DNA binding; DNA repair; Rad51; Rad51 mutant; recombination Correspondence H. Kurumizaka, Graduate School of Science and Engineering, ... containing ssDNA, dsDNA, and Rad51. In the ternary complex, the homologous sequence between ssDNA and dsDNA is aligned, and the ssDNA forms a heteroduplex with a complementary str...

Ngày tải lên: 19/02/2014, 06:20