Genome modeling: from chromatin fibers to genes

S Portillo-Ledesma, Z Li, T Schlick - Current opinion in structural biology, 2023 - Elsevier
The intricacies of the 3D hierarchical organization of the genome have been approached by
many creative modeling studies. The specific model/simulation technique combination …

Molecular dynamics simulations of nucleosomes are coming of age

AS Fedulova, GA Armeev… - Wiley …, 2024 - Wiley Online Library
Understanding the function of eukaryotic genomes, including the human genome, is
undoubtedly one of the major scientific challenges of the 21st century. The cornerstone of …

Molecular mechanism of parental H3/H4 recycling at a replication fork

F Nagae, Y Murayama, T Terakawa - Nature Communications, 2024 - nature.com
In chromatin replication, faithful recycling of histones from parental DNA to replicated strands
is essential for maintaining epigenetic information across generations. A previous …

Histone chaperone Nap1 dismantles an H2A/H2B dimer from a partially unwrapped nucleosome

F Nagae, S Takada, T Terakawa - Nucleic Acids Research, 2023 - academic.oup.com
DNA translocases, such as RNA polymerases, inevitably collide with nucleosomes on
eukaryotic chromatin. Upon these collisions, histone chaperones are suggested to facilitate …

Real-time multistep asymmetrical disassembly of nucleosomes and chromatosomes visualized by high-speed atomic force microscopy

B Onoa, C Díaz-Celis, C Cañari-Chumpitaz… - ACS Central …, 2023 - ACS Publications
During replication, expression, and repair of the eukaryotic genome, cellular machinery must
access the DNA wrapped around histone proteins forming nucleosomes. These octameric …

Heterogeneous non-canonical nucleosomes predominate in yeast cells in situ

ZY Tan, S Cai, AJ Noble, JK Chen, J Shi, L Gan - Elife, 2023 - elifesciences.org
Nuclear processes depend on the organization of chromatin, whose basic units are cylinder-
shaped complexes called nucleosomes. A subset of mammalian nucleosomes in situ (inside …

Multiscale modeling reveals the ion-mediated phase separation of nucleosome core particles

T Sun, N Korolev, V Minhas, A Mirzoev… - Biophysical …, 2024 - cell.com
Due to the vast length scale inside the cell nucleus, multiscale models are required to
understand chromatin folding, structure, and dynamics and how they regulate genomic …

Molecular dynamics simulations for the study of chromatin biology

GB Brandani, S Gopi, M Yamauchi, S Takada - Current Opinion in Structural …, 2022 - Elsevier
The organization of Eukaryotic DNA into chromatin has profound implications for the
processing of genetic information. In the past years, molecular dynamics (MD) simulations …

Studies of the Mechanism of Nucleosome Dynamics: A Review on Multifactorial Regulation from Computational and Experimental Cases

D Shi, Y Huang, C Bai - Polymers, 2023 - mdpi.com
The nucleosome, which organizes the long coil of genomic DNA in a highly condensed,
polymeric way, is thought to be the basic unit of chromosomal structure. As the most …

Nucleosomal DNA unwinding pathway through canonical and non-canonical histone disassembly

H Nozawa, F Nagae, S Ogihara, R Hirano… - Communications …, 2024 - nature.com
The nucleosome including H2A. B, a mammalian-specific H2A variant, plays pivotal roles in
spermatogenesis, embryogenesis, and oncogenesis, indicating unique involvement in …