Identification of a basal system for unwinding a bacterial chromosome origin

TT Richardson, D Stevens, S Pelliciari, O Harran… - The EMBO …, 2019 - embopress.org
Genome duplication is essential for cell proliferation, and DNA synthesis is generally
initiated by dedicated replication proteins at specific loci termed origins. In bacteria, the …

Evidence for a chromosome origin unwinding system broadly conserved in bacteria

S Pelliciari, MJ Dong, F Gao, H Murray - Nucleic acids research, 2021 - academic.oup.com
Genome replication is a fundamental requirement for the proliferation of all cells. Throughout
the domains of life, conserved DNA replication initiation proteins assemble at specific …

[HTML][HTML] The bacterial replication origin BUS promotes nucleobase capture

S Pelliciari, S Bodet-Lefèvre, S Fenyk… - Nature …, 2023 - nature.com
Genome duplication is essential for the proliferation of cellular life and this process is
generally initiated by dedicated replication proteins at chromosome origins. In bacteria, DNA …

[HTML][HTML] oriC-encoded instructions for the initiation of bacterial chromosome replication

M Wolański, R Donczew, A Zawilak-Pawlik… - Frontiers in …, 2015 - frontiersin.org
Replication of the bacterial chromosome initiates at a single origin of replication that is
called oriC. This occurs via the concerted action of numerous proteins, including DnaA …

[HTML][HTML] The DnaA AAA+ Domain His136 Residue Directs DnaB Replicative Helicase to the Unwound Region of the Replication Origin, oriC

Y Sakiyama, M Nishimura, C Hayashi… - Frontiers in …, 2018 - frontiersin.org
Chromosomal replication initiation requires dynamic mechanisms in higher-order
nucleoprotein complexes that are constructed at the origin of replication. In Escherichia coli …

[HTML][HTML] Blocking, Bending, and Binding: Regulation of Initiation of Chromosome Replication During the Escherichia coli Cell Cycle by Transcriptional Modulators …

JE Grimwade, AC Leonard - Frontiers in microbiology, 2021 - frontiersin.org
Genome duplication is a critical event in the reproduction cycle of every cell. Because all
daughter cells must inherit a complete genome, chromosome replication is tightly regulated …

[HTML][HTML] Differentiation of the DnaA-oriC subcomplex for DNA unwinding in a replication initiation complex

S Ozaki, Y Noguchi, Y Hayashi, E Miyazaki… - Journal of Biological …, 2012 - ASBMB
In Escherichia coli, ATP-DnaA multimers formed on the replication origin oriC promote
duplex unwinding, which leads to helicase loading. Based on a detailed functional analysis …

DnaA structure, function, and dynamics in the initiation at the chromosomal origin

S Ozaki, T Katayama - Plasmid, 2009 - Elsevier
Escherichia coli DnaA is the initiator of chromosomal replication. Multiple ATP-DnaA
molecules assemble at the oriC replication origin in a highly regulated manner, and the …

Building a bacterial orisome: emergence of new regulatory features for replication origin unwinding

AC Leonard, JE Grimwade - Molecular microbiology, 2005 - Wiley Online Library
Triggering new rounds of chromosomal DNA replication during the bacterial cell cycle is
exquisitely regulated, ensuring both proper timing and one round per cycle stringency. A …

The consequences of replicating in the wrong orientation: bacterial chromosome duplication without an active replication origin

JU Dimude, A Stockum, SL Midgley-Smith, AL Upton… - MBio, 2015 - Am Soc Microbiol
Chromosome replication is regulated in all organisms at the assembly stage of the
replication machinery at specific origins. In Escherichia coli, the DnaA initiator protein …