Real-time single-molecule imaging of transcriptional regulatory networks in living cells

DW Hwang, A Maekiniemi, RH Singer… - Nature Reviews …, 2024 - nature.com
Gene regulatory networks drive the specific transcriptional programmes responsible for the
diversification of cell types during the development of multicellular organisms. Although our …

[HTML][HTML] Modular antibodies reveal DNA damage-induced mono-ADP-ribosylation as a second wave of PARP1 signaling

EJ Longarini, H Dauben, C Locatelli, AR Wondisford… - Molecular Cell, 2023 - cell.com
PARP1, an established anti-cancer target that regulates many cellular pathways, including
DNA repair signaling, has been intensely studied for decades as a poly (ADP-ribosyl) …

Crucial roles of the BRCA1-BARD1 E3 ubiquitin ligase activity in homology-directed DNA repair

M Wang, W Li, N Tomimatsu, HY Corey, JH Ji, S Alejo… - Molecular cell, 2023 - cell.com
The tumor-suppressor breast cancer 1 (BRCA1) in complex with BRCA1-associated really
interesting new gene (RING) domain 1 (BARD1) is a RING-type ubiquitin E3 ligase that …

Live-cell imaging probes to track chromatin modification dynamics

Y Sato, M Nakao, H Kimura - Microscopy, 2021 - academic.oup.com
The spatiotemporal organization of chromatin is regulated at different levels in the nucleus.
Epigenetic modifications such as DNA methylation and histone modifications are involved in …

Avidity-based biosensors for ubiquitylated PCNA reveal choreography of DNA damage bypass

G Yakoub, YS Choi, RP Wong, T Strauch, KJ Ann… - Science …, 2023 - science.org
In eukaryotes, the posttranslational modifier ubiquitin is used to regulate the amounts,
interactions, or activities of proteins in diverse pathways and signaling networks. Its effects …

[HTML][HTML] An autoinhibited state of 53BP1 revealed by small molecule antagonists and protein engineering

G Cui, MV Botuyan, P Drané, Q Hu, B Bragantini… - Nature …, 2023 - nature.com
The recruitment of 53BP1 to chromatin, mediated by its recognition of histone H4
dimethylated at lysine 20 (H4K20me2), is important for DNA double-strand break repair …

[HTML][HTML] BmCBP Catalyzes the Acetylation of BmApoLp-II Protein and Regulates Its Stability in Silkworm, Bombyx mori

Y Chen, J Lv, G Zu, F Yang, J Geng, Z You, C Jiang… - Insects, 2023 - mdpi.com
Simple Summary Bombyx mori is an important economic insect and a model organism of
Lepidoptera. Its hemolymph contains rich nutrient storage proteins, which participate in …

[HTML][HTML] Generation of site-specific ubiquitinated histones through chemical ligation to probe the specificities of histone deubiquitinases

NO AlAfaleq, YS Choi, BS Atanassov… - … in Epigenetics and …, 2023 - frontiersin.org
The attachment of mono-ubiquitin to histones as a post-translational modification plays
important roles in regulating chromatin structure and function. Like other epigenetic …

H3K27M diffuse midline glioma is homologous recombination defective and sensitized to radiotherapy and NK cell-mediated antitumor immunity by PARP inhibition

Y Guo, Z Li, LA Parsels, Z Wang, JD Parsels, A Dalvi… - bioRxiv, 2024 - biorxiv.org
Background: Radiotherapy (RT) is the primary treatment for diffuse midline glioma (DMG), a
lethal pediatric malignancy defined by histone H3 lysine 27-to-methionine (H3K27M) …

[HTML][HTML] The Ubiquitin Interacting Motif-Like Domain of Met4 Selectively Binds K48 Polyubiquitin Chains

M Villamil, W Xiao, C Yu, L Huang, P Xu… - Molecular & Cellular …, 2022 - ASBMB
Protein ubiquitylation is an important posttranslational modification that governs most
cellular processes. Signaling functions of ubiquitylation are very diverse and involve …