Chiral systems made from DNA

D Winogradoff, PY Li, H Joshi, L Quednau… - Advanced …, 2021 - Wiley Online Library
The very chemical structure of DNA that enables biological heredity and evolution has non‐
trivial implications for the self‐organization of DNA molecules into larger assemblies and …

CENP-A regulation and cancer

C Renaud-Pageot, JP Quivy, M Lochhead… - Frontiers in Cell and …, 2022 - frontiersin.org
In mammals, CENP-A, a histone H3 variant found in the centromeric chromatin, is critical for
faithful chromosome segregation and genome integrity maintenance through cell divisions …

AWSEM-IDP: a coarse-grained force field for intrinsically disordered proteins

H Wu, PG Wolynes, GA Papoian - The Journal of Physical …, 2018 - ACS Publications
The associative memory, water-mediated, structure and energy model (AWSEM) has been
successfully used to study protein folding, binding, and aggregation problems. In this work …

Oncogenic lncRNAs alter epigenetic memory at a fragile chromosomal site in human cancer cells

G Arunkumar, S Baek, D Sturgill, M Bui, Y Dalal - Science Advances, 2022 - science.org
Chromosome instability is a critical event in cancer progression. Histone H3 variant CENP-A
plays a fundamental role in defining centromere identity, structure, and function but is …

Molecular mechanism of spontaneous nucleosome unraveling

D Winogradoff, A Aksimentiev - Journal of molecular biology, 2019 - Elsevier
Meters of DNA wrap around histone proteins to form nucleosomes and fit inside the micron-
diameter nucleus. For the genetic information encoded in the DNA to become available for …

Structure of centromere chromatin: from nucleosome to chromosomal architecture

T Schalch, FA Steiner - Chromosoma, 2017 - Springer
The centromere is essential for the segregation of chromosomes, as it serves as attachment
site for microtubules to mediate chromosome segregation during mitosis and meiosis. In …

[HTML][HTML] Breaths, twists, and turns of atomistic nucleosomes

J Huertas, V Cojocaru - Journal of molecular biology, 2021 - Elsevier
Gene regulation programs establish cellular identity and rely on dynamic changes in the
structural packaging of genomic DNA. The DNA is packaged in chromatin, which is formed …

HJURP antagonizes CENP-A mislocalization driven by the H3. 3 chaperones HIRA and DAXX

J Nye, D Sturgill, R Athwal, Y Dalal - PLoS One, 2018 - journals.plos.org
The centromere specific histone H3 variant CENP-A/CENH3 specifies where the
kinetochore is formed in most eukaryotes. Despite tight regulation of CENP-A levels in …

Silencing of HJURP induces dysregulation of cell cycle and ROS metabolism in bladder cancer cells via PPARγ-SIRT1 feedback loop

R Cao, G Wang, K Qian, L Chen, G Qian… - Journal of …, 2017 - pmc.ncbi.nlm.nih.gov
Holliday Junction Recognition Protein (HJURP) is a centromeric histone chaperone
involving in de novo histone H3 variant CenH3 (CENP-A) recruitment. Our transcriptome …

A genetic memory initiates the epigenetic loop necessary to preserve centromere position

S Hoffmann, HM Izquierdo, R Gamba, F Chardon… - The EMBO …, 2020 - embopress.org
Centromeres are built on repetitive DNA sequences (CenDNA) and a specific chromatin
enriched with the histone H3 variant CENP‐A, the epigenetic mark that identifies centromere …