Primase-polymerases: how to make a primer from scratch

LJ Bainbridge, K Zabrady, AJ Doherty - Bioscience Reports, 2023 - portlandpress.com
To pass on genetic information to the next generation, cells must faithfully replicate their
genomes to provide copies for each daughter cell. To synthesise these duplicates, cells …

Flexibility and distributive synthesis regulate RNA priming and handoff in human DNA polymerase α-primase

JJ Cordoba, EA Mullins, LE Salay, BF Eichman… - Journal of Molecular …, 2023 - Elsevier
DNA replication in eukaryotes relies on the synthesis of a∼ 30-nucleotide RNA/DNA primer
strand through the dual action of the heterotetrameric polymerase α-primase (pol-prim) …

CryoEM insights into RNA primer synthesis by the human primosome

Z Yin, ML Kilkenny, DS Ker, L Pellegrini - The FEBS Journal, 2024 - Wiley Online Library
Eukaryotic DNA replication depends on the primosome–a complex of DNA polymerase
alpha (Pol α) and primase–to initiate DNA synthesis by polymerisation of an RNA–DNA …

FACT-(H3-H4) complex stimulates Pol [alpha] activity to coordinate DNA synthesis with nucleosome assembly

W Zhang, J Xu, J Yang, G Shi, J Wu, N Gao, J Feng… - bioRxiv, 2024 - biorxiv.org
Deficiencies in replication-coupled (RC) nucleosome assembly often lead to reduced DNA
replication rate, but the precise mechanism underlying this process remains unsolved. Here …

Telomere C-Strand Fill-In Machinery: New Insights into the Human CST-DNA Polymerase Alpha-Primase Structures and Functions

CJ Lim - Macromolecular Protein Complexes V: Structure and …, 2024 - Springer
Telomeres at the end of eukaryotic chromosomes are extended by a specialized set of
enzymes and telomere-associated proteins, collectively termed here the telomere …

Thg1 family 3'-5'RNA polymerases as tools for targeted RNA synthesis

MI Jayasinghe, KJ Patel, JE Jackman - bioRxiv, 2024 - biorxiv.org
Members of the 3'-5'RNA polymerase family, comprised of tRNAHis guanylyltransferase
(Thg1) and Thg1-like proteins (TLPs), catalyze templated synthesis of RNA in the reverse …

Biochemical and Structural Characterization of the Eukaryotic Clamp Loading Mechanism

JC Castaneda - 2024 - search.proquest.com
DNA replication is a fundamental process by which organisms duplicate their DNA.
Accordingly, cells have evolved mechanisms to replicate their genome and safeguard it from …

Control of DNA replication mediated by the ubiquitin-proteasome system

L Kolumpek - 2024 - dspace.cuni.cz
The ubiquitin-proteasome system is an essential cellular instrument that provides timely
degradation of specific protein substrates. This thesis examines its role in the regulation of …