Chromatin structure in telomere dynamics

A Galati, E Micheli, S Cacchione - Frontiers in oncology, 2013 - frontiersin.org
The establishment of a specific nucleoprotein structure, the telomere, is required to ensure
the protection of chromosome ends from being recognized as DNA damage sites. Telomere …

Structural biology of shelterin and telomeric chromatin: the pieces and an unfinished puzzle

H Hu, HL Yan, THD Nguyen - Biochemical Society Transactions, 2024 - portlandpress.com
The six-subunit shelterin complex binds to mammalian telomeres and protects them from
triggering multiple DNA damage response pathways. The loss of this protective function by …

Linker histone H1 per se can induce three-dimensional folding of chromatin fiber

K Hizume, SH Yoshimura, K Takeyasu - Biochemistry, 2005 - ACS Publications
Higher-order architectures of chromosomes play important roles in the regulation of genome
functions. To understand the molecular mechanism of genome packing, an in vitro chromatin …

[HTML][HTML] Telomeric chromatin structure

A Soman, N Korolev, L Nordenskiöld - Current opinion in structural biology, 2022 - Elsevier
Eukaryotic DNA is packaged into nucleosomes, which further condenses into chromosomes.
The telomeres, which form the protective end-capping of chromosomes, play a pivotal role in …

The polymorphisms of the chromatin fiber

JB Boulé, J Mozziconacci… - Journal of Physics …, 2014 - iopscience.iop.org
In eukaryotes, the genome is packed into chromosomes, each consisting of large polymeric
fibers made of DNA bound with proteins (mainly histones) and RNA molecules. The nature …

[HTML][HTML] Dinochromosome Heterotermini with Telosomal Anchorages

ACM Kwok, KTH Yan, S Wen, S Sun, C Li… - International Journal of …, 2024 - mdpi.com
Dinoflagellate birefringent chromosomes (BfCs) contain some of the largest known
genomes, yet they lack typical nucleosomal micrococcal-nuclease protection patterns …

Organization of telomeric nucleosomes: atomic force microscopy imaging and theoretical modeling

R Mechelli, C Anselmi, S Cacchione, P De Santis… - FEBS …, 2004 - Wiley Online Library
Telomeric chromatin has peculiar features with respect to bulk chromatin, which are not fully
clarified to date. Nucleosomal arrays, reconstituted on fragments of human telomeric DNA …

Geometrical, conformational and topological restraints in regular nucleosome compaction in chromatin

A Scipioni, G Turchetti, S Morosetti, P De Santis - Biophysical chemistry, 2010 - Elsevier
The folding of the nucleosome array into a chromatin fiber modulates DNA accessibility and
is therefore an important factor for the control of gene expression. The statistical analysis of …

The telomeric region is excluded from nucleosomal fragmentation during apoptosis, but the bulk nuclear chromatin is randomly degraded

T Schliephacke, A Meinl, M Kratzmeier… - Cell Death & …, 2004 - nature.com
Characteristic steps during cellular apoptosis are the induction of chromatin condensation
and subsequent DNA fragmentation, finally leading to the formation of oligomers of …

[PDF][PDF] Chromatin Fiber: 30 years of models

J Mozziconacci, C Lavelle - Computational biology: New research, 2009 - researchgate.net
A thorough understanding of electrostatic, elastic and topological behaviour of DNA has
provided some relevant mechanistic insights into the regulation of genetic expression …