chromatin
From: The Columbia Encyclopedia, Sixth Edition
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Date: 2008
chromatin see chromosome .
Author not available, CHROMATIN.,
The Columbia Encyclopedia, Sixth Edition 2008
The Columbia Encyclopedia, Sixth Edition. Copyright 2008 Columbia University Press
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Direct Measurement of Local Chromatin Fluidity Using Optical Trap Modulation Force Spectroscopy
Biophysical Journal; 12/15/2006; Roopa, T; Shivashankar, G V; 4102 words;
ABSTRACT Chromatin assembly is condensed by histone tail-tail interactions and ... spectroscopy, we probe the effect of tail interactions on local chromatin fluidity. Chromatin fibers, purified from mammalian cells, are tethered between ...
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Chromatin Structure Exhibits Spatio-Temporal Heterogeneity within the Cell Nucleus
Biophysical Journal; 9/15/2006; Banerjee, Bidisha; Bhattacharya, Dipanjan; Shivashankar, G V; 4876 words;
... distribution in Fig. 1 d. suggests that the chromatin takes a repertoire of intermediate compaction ... states as in the case of polvtene cells. Chromatin compaction dynamics is brought about ... of acetylation and decondensation of chromatin (12.13). Within 4 h of trichostatin-A ... distributions for various ...
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Chromatin-remodeling and memory factors. New regulators of plant development
Plant Physiology; 11/1/2002; Reyes, Jose C; Hennig, Lars; Gruissem, Wilhelm; 9544 words;
Update on Chromatin and Development The establishment and heritable maintenance ... transcription is mediated through specific states of the chromatin structure. Therefore, changes in the chromatin structure associated with activation and silencing ...
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Hypothesis for the influence of fixatives on the chromatin patterns of interphase nuclei, based on shrinkage and retraction of nuclear and perinuclear structures
British Journal of Biomedical Science; 1/1/2002; Bignold, L P; 6260 words;
... Accepted: 21 January 2002 ABSTRACT Nuclear chromatin patterns are used to distinguish normal ... histopathology and cytopathology. However, many chromatin pattern features are affected by aspects ... in the living state include shrinkage, chromatin aggregation and production of a 'chromatinic ...
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The Connection between Chromatin Motion on the 100 nm Length Scale and Core Histone Dynamics in Live XTC-2 Cells and Isolated Nuclei
Biophysical Journal; 1/1/2004; Davis, Sara K; Bardeen, Christopher J; 7968 words;
... The diffusive motion of DNA-containing chromatin in live cells and isolated nuclei is ... experiment with 100 nm spatial resolution. The chromatin is labeled using the minor groove binding ... NaCl concentrations, we see increased chromatin diffusion as the histone-DNA interaction ...
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The Chromatin Assembly Factor Subunit FASCIATA1 Is Involved in Homologous Recombination in Plants
Plant Cell; 10/1/2006; Kirik, Angela; Pecinka, Ales; Wendeler, Edelgard; Reiss, Bernd; 8187 words;
... S.C. (2003). Rad54 protein possesses chromatin-remodeling activity stimulated by the ... pairing by Rad54 and Rad51 is enhanced by chromatin. Genes Dev. 16, 2767-2771. Barow, M ... 1999). Role of Saccharomyces cerevisiae chromatin assembly factor-l in repair of ultraviolet ... Almouzni, G. (2002). When repair ...
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Genomic Organization of gypsy Chromatin Insulators in Drosophila melanogaster
Genetics; 4/1/2006; Ramos, Edward; Ghosh, Dolanchanpa; Baxter, Ellen; Corces, Victor G; 8582 words;
ABSTRACT Chromatin insulators have been implicated in the regulation of higher-order chromatin structure and may function to compartmentalize ... with their proposed role in the formation of chromatin domains. Taken together, these data suggest ...
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SWI3 Subunits of Putative SWI/SNF Chromatin-Remodeling Complexes Play Distinct Roles during Arabidopsis Development(w)
Plant Cell; 9/1/2005; Sarnowski, Tomasz J; Ríos, Gabino; Jásik, Jan; Swiezewski, Szymon; Et al; 12668 words;
SWITCH/SUCROSE NONFERMENTING (SWI/SNF) chromatin-remodeling complexes mediate ATP-dependent ... phases of plant development. INTRODUCTION Chromatin-remodeling complexes (CRCs), which mediate ... links between signaling pathways and the chromatin-based control of transcription, replication ...
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E2F Regulates FASCIATA1, a Chromatin Assembly Gene Whose Loss Switches on the Endocycle and Activates Gene Expression by Changing the Epigenetic Status1[C][W][OA]
Plant Physiology; 5/1/2007; Ramirez-Parra, Elena; Gutierrez, Crisanto; 10546 words;
... depends on histone chaperone-mediated chromatin reorganization. DNA replicationassociated ... nucleosome deposition relies on chromatin assembly factor-1 (CAF-1). Depletion ... the result of a global change in chromatin structure, but depends on selective ...
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The RSC Chromatin Remodeling Complex Bears an Essential Fungal-Specific Protein Module With Broad Functional Roles
Genetics; 2/1/2006; Wilson, Boris; Erdjument-Bromage, Hediye; Tempst, Paul; Cairns, Bradley R; 9164 words;
... essential and abundant ATP-dependent chromatin remodeling complex from Saccharomyces ... connections to a surprisingly large number of chromatin remodeling complexes and cellular processes ... THE eukaryotic genome is packaged into chromatin, which can inhibit the accessibility ...
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Glutaraldehyde modified mica: A new surface for atomic force microscopy of chromatin
Biophysical Journal; 12/1/2002; Wang, Hongda; Bash, Ralph; Yodh, Jiya G; Hager, Gordon L; Et al; 4529 words;
... aminopropyltriethoxysilane and aldehydes bind chromatin strongly enough to permit stable and ... conditions that are particularly important for chromatin studies. For example, bound nucleosomal ... observed in bulk solution studies of chromatin and demonstrates that even histone components ...
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Involvement of the Arabidopsis SWI2/SNF2 Chromatin Remodeling Gene Family in DNA Damage Response and Recombination
Genetics; 6/1/2006; Shaked, Hezi; Avivi-Ragolsky, Naomi; Levy, Avraham A; 6705 words;
... of other eukaryotes, is organized into chromatin, a compact structure that reduces the ... characteristic ATPase/helicase motifs of the chromatin remodeling Swi2/Snf2 family of proteins ... role in recombination and repair and in chromatin remodeling is well established. Forty ...
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Drosophila Poly(ADP-Ribose) Glycohydrolase Mediates Chromatin Structure and SIR2-Dependent Silencing
Genetics; 1/1/2006; Tulin, Alexei; Naumova, Natalia M; Menon, Ammini K; Spradling, Allan C; 5855 words;
... polymerases (PARPs) and tankyrases modulates chromatin structure, telomere elongation, DNA repair ... We propose that PARP and PARG promote chromatin silencing at least in part by regulating ... transcription, telomere elongation, and chromatin structure (reviewed in DE MURCIA and ...
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Bonus, a Drosophila TIF1 Homolog, Is a Chromatin-Associated Protein That Acts as a Modifier of Position-Effect Variegation
Genetics; 2/1/2005; Beckstead, R B; Ner, S S; Hales, K G; Grigliatti, T A; Et al; 7368 words;
... data, we show that Bon is associated with chromatin. Specifically, we demonstrate that Bon ... One possibility is that Bon has a role in chromatin organization of transcriptionally competent ... TIFl family member in the regulation of chromatin. The Y chromosome may act as a sink for ... The removal of the Y ...
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Paramutation: The Chromatin Connection
Plant Cell; 6/1/2004; Vedova, Chris B Della; Cone, Karen C; 6120 words;
... now provides convincing evidence that chromatin-level regulation underlies the phenotypic ... between paramutation and other types of chromatin-level epigenetic regulation of gene expression ... such as DNA methylation and altered chromatin structure. At b, two alleles participate ...
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