Mechanism of CRL4Cdt2, a PCNA-dependent E3 ubiquitin ligase

CG Havens, JC Walter - Genes & development, 2011 - genesdev.cshlp.org
Eukaryotic cell cycle transitions are driven by E3 ubiquitin ligases that catalyze the
ubiquitylation and destruction of specific protein targets. For example, the anaphase …

DNA Replication Control During Drosophila Development: Insights into the Onset of S Phase, Replication Initiation, and Fork Progression

BL Hua, TL Orr-Weaver - Genetics, 2017 - academic.oup.com
Proper control of DNA replication is critical to ensure genomic integrity during cell
proliferation. In addition, differential regulation of the DNA replication program during …

Lengthened G1 phase indicates differentiation status in human embryonic stem cells

A Calder, I Roth-Albin, S Bhatia, C Pilquil… - Stem cells and …, 2013 - liebertpub.com
The cell cycle in pluripotent stem cells is notable for the brevity of the G1 phase, permitting
rapid proliferation and reducing the duration of differentiation signal sensitivity associated …

The Crk4-Cyc4 complex regulates G2/M transition in Toxoplasma gondii

LM Hawkins, C Wang, D Chaput, M Batra… - The EMBO …, 2024 - embopress.org
A versatile division of apicomplexan parasites and a dearth of conserved regulators have
hindered the progress of apicomplexan cell cycle studies. While most apicomplexans divide …

Re-replication induced by geminin depletion occurs from G2 and is enhanced by checkpoint activation

K Klotz-Noack, D McIntosh, N Schurch… - Journal of cell …, 2012 - journals.biologists.com
To prevent re-replication of DNA in a single cell cycle, the licensing of replication origins by
Mcm2-7 is prevented during S and G2 phases. Animal cells achieve this by cell-cycle …

[HTML][HTML] Temporal remodeling of the cell cycle accompanies differentiation in the Drosophila germline

TD Hinnant, AA Alvarez, ET Ables - Developmental biology, 2017 - Elsevier
Abstract Development of multicellular organisms relies upon the coordinated regulation of
cellular differentiation and proliferation. Growing evidence suggests that some molecular …

Regulation of Smoothened ubiquitylation and cell surface expression through a Cul4–DDB1–Gβ E3 ubiquitin ligase complex

S Li, YS Cho, B Wang, S Li, J Jiang - Journal of cell science, 2018 - journals.biologists.com
Hedgehog (Hh) transduces signals by promoting cell surface accumulation and activation of
the G-protein-coupled receptor (GPCR)-family protein Smoothened (Smo) in Drosophila, but …

Proper CycE–Cdk2 activity in endocycling tissues requires regulation of the cyclin-dependent kinase inhibitor Dacapo by dE2F1b in Drosophila

M Kim, K Delos Santos, NS Moon - Genetics, 2021 - academic.oup.com
Polyploidy is an integral part of development and is associated with cellular stress, aging,
and pathological conditions. The endocycle, comprised of successive rounds of G and S …

MicroRNA Transgene Overexpression Complements Deficiency-Based Modifier Screens in Drosophila

S Szuplewski, JM Kugler, SF Lim, P Verma, YW Chen… - Genetics, 2012 - academic.oup.com
Dosage-sensitive modifier screening is a powerful tool for linking genes to biological
processes. Use of chromosomal deletions permits sampling the effects of removing groups …

Cdt1 proteolysis is promoted by dual PIP degrons and is modulated by PCNA ubiquitylation

E Guarino, MEA Shepherd, I Salguero… - Nucleic acids …, 2011 - academic.oup.com
Cdt1 plays a critical role in DNA replication regulation by controlling licensing. In Metazoa,
Cdt1 is regulated by CRL4Cdt2-mediated ubiquitylation, which is triggered by DNA binding …