Single-stranded DNA recruitment mechanism in replication origin unwinding by DnaA initiator protein and HU, an evolutionary ubiquitous nucleoid protein

R Yoshida, S Ozaki, H Kawakami… - Nucleic acids …, 2023 - academic.oup.com
The Escherichia coli replication origin oriC contains the initiator ATP-DnaA-Oligomerization
Region (DOR) and its flanking duplex unwinding element (DUE). In the Left-DOR subregion …

[HTML][HTML] IHF and Fis as Escherichia coli Cell Cycle Regulators: Activation of the Replication Origin oriC and the Regulatory Cycle of the DnaA Initiator

K Kasho, S Ozaki, T Katayama - International journal of molecular …, 2023 - mdpi.com
This review summarizes current knowledge about the mechanisms of timely binding and
dissociation of two nucleoid proteins, IHF and Fis, which play fundamental roles in the …

[HTML][HTML] Changing perspectives on the role of DnaA-ATP in orisome function and timing regulation

AC Leonard, P Rao, RP Kadam… - Frontiers in …, 2019 - frontiersin.org
Bacteria, like all cells, must precisely duplicate their genomes before they divide. Regulation
of this critical process focuses on forming a pre-replicative nucleoprotein complex, termed …

Ori-Finder 2022: a comprehensive web server for prediction and analysis of bacterial replication origins

MJ Dong, H Luo, F Gao - Genomics, Proteomics and …, 2022 - academic.oup.com
The replication of DNA is a complex biological process that is essential for life. Bacterial
DNA replication is initiated at genomic loci referred to as replication origins (oriC s) …

[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 …

Interactions of replication initiator RctB with single- and double-stranded DNA in origin opening of Vibrio cholerae chromosome 2

S Chatterjee, JK Jha, P Ciaccia, T Venkova… - Nucleic acids …, 2020 - academic.oup.com
Studies of bacterial chromosomes and plasmids indicate that their replication initiator
proteins bind to origins of replication at many double-stranded sites and also at AT-rich …

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 …

SirA inhibits the essential DnaA:DnaD interaction to block helicase recruitment during Bacillus subtilis sporulation

C Winterhalter, D Stevens, S Fenyk… - Nucleic Acids …, 2023 - academic.oup.com
Bidirectional DNA replication from a chromosome origin requires the asymmetric loading of
two helicases, one for each replisome. Our understanding of the molecular mechanisms …

[HTML][HTML] Putative Cooperative ATP–DnaA Binding to Double-Stranded DnaA Box and Single-Stranded DnaA-Trio Motif upon Helicobacter pylori Replication Initiation …

P Jaworski, D Zyla-Uklejewicz… - International journal of …, 2021 - mdpi.com
oriC is a region of the bacterial chromosome at which the initiator protein DnaA interacts with
specific sequences, leading to DNA unwinding and the initiation of chromosome replication …

[HTML][HTML] Toward an understanding of the DNA replication initiation in bacteria

K Wegrzyn, I Konieczny - Frontiers in Microbiology, 2024 - frontiersin.org
Although the mechanism of DNA replication initiation has been investigated for over 50
years, many important discoveries have been made related to this process in recent years …