[HTML][HTML] Two distinct modes of DNMT1 recruitment ensure stable maintenance DNA methylation

…, A Endo, Y Saeki, W Qin, C Trummer, Y Chiba… - Nature …, 2020 - nature.com
Stable inheritance of DNA methylation is critical for maintaining differentiated phenotypes in
multicellular organisms. We have recently identified dual mono-ubiquitylation of histone H3 (…

[HTML][HTML] Structural basis for activation of DNMT1

…, K Yamaguchi, S Kori, S Matsuzawa, Y Chiba… - Nature …, 2022 - nature.com
DNMT1 is an essential enzyme that maintains genomic DNA methylation, and its function is
regulated by mechanisms that are not yet fully understood. Here, we report the cryo-EM …

Structural basis for the unique multifaceted interaction of DPPA3 with the UHRF1 PHD finger

…, K Sugimura, W Qin, D Haxholli, Y Chiba… - Nucleic Acids …, 2022 - academic.oup.com
Ubiquitin-like with PHD and RING finger domain-containing protein 1 (UHRF1)-dependent
DNA methylation is essential for maintaining cell fate during cell proliferation. Developmental …

HPF1-dependent PARP activation promotes LIG3-XRCC1-mediated backup pathway of Okazaki fragment ligation

S Kumamoto, A Nishiyama, Y Chiba… - Nucleic acids …, 2021 - academic.oup.com
DNA ligase 1 (LIG1) is known as the major DNA ligase responsible for Okazaki fragment
joining. Recent studies have implicated LIG3 complexed with XRCC1 as an alternative player …

Tumor specific low pH environments enhance the cytotoxicity of lovastatin and cantharidin

T Fukamachi, Y Chiba, X Wang, H Saito, M Tagawa… - Cancer letters, 2010 - Elsevier
In tumor cell masses, the extracellular pH decreases below 6.5. The effect of external acidic
pH on the efficacy of 24 chemical compounds including molecular-targeted inhibitors and …

The termination of UHRF1-dependent PAF15 ubiquitin signaling is regulated by USP7 and ATAD5

R Miyashita, A Nishiyama, W Qin, Y Chiba, S Kori… - Elife, 2023 - elifesciences.org
UHRF1-dependent ubiquitin signaling plays an integral role in the regulation of maintenance
DNA methylation. UHRF1 catalyzes transient dual mono-ubiquitylation of PAF15 (…

[HTML][HTML] Cdk1-mediated DIAPH1 phosphorylation maintains metaphase cortical tension and inactivates the spindle assembly checkpoint at anaphase

…, KSK Uchida, N Suzuki, M Shimada, Y Chiba… - Nature …, 2019 - nature.com
Animal cells undergo rapid rounding during mitosis, ensuring proper chromosome segregation,
during which an outward rounding force abruptly increases upon prometaphase entry …

Quantum-confined Stark effects on a GaAs cluster embedded in As

Y Chiba, S Ohnishi - Physical Review B, 1988 - APS
Quantum-confined Stark effects on the electronic structure of a GaAs microcluster with 63.5-Å
(120-au) radius embedded in the Al x Ga 1− x As bulk crystal were investigated, within …

Physical interaction between MPP8 and PRC1 complex and its implication for regulation of spermatogenesis

K Murata, S Sato, M Haruta, T Goshima, Y Chiba… - Biochemical and …, 2015 - Elsevier
Epigenetic modifications such as DNA methylation and histone H3 lysine 27 methylation (H3K27me)
are repressive marks that silence gene expression. The M phase phosphoprotein (…

Coupled channel approach to molecular vibration dynamics in molecule-surface interactions

Y Chiba, W Brenig - Surface science, 1994 - Elsevier
We propose an accurate and numerically stable coupled channel approach to molecular
vibration dynamics in diatomic molecule-surface interactions. This approach successfully …