The DnaA Cycle in Escherichia coli: Activation, Function and Inactivation of the Initiator Protein

T Katayama, K Kasho, H Kawakami - Frontiers in microbiology, 2017 - frontiersin.org
This review summarizes the mechanisms of the initiator protein DnaA in replication initiation
and its regulation in Escherichia coli. The chromosomal origin (oriC) DNA is unwound by the …

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 …

Negative feedback for DARS2–Fis complex by ATP–DnaA supports the cell cycle-coordinated regulation for chromosome replication

K Miyoshi, Y Tatsumoto, S Ozaki… - Nucleic acids …, 2021 - academic.oup.com
In Escherichia coli, the replication initiator DnaA oscillates between an ATP-and an ADP-
bound state in a cell cycle-dependent manner, supporting regulation for chromosome …

From processivity to genome maintenance: the many roles of sliding clamps

M Mulye, MI Singh, V Jain - Genes, 2022 - mdpi.com
Sliding clamps play a pivotal role in the process of replication by increasing the processivity
of the replicative polymerase. They also serve as an interacting platform for a plethora of …

Mechanisms of Theta plasmid replication in Enterobacteria and implications for adaptation to its host

JW Kim, V Bugata, G Cortés-Cortés… - EcoSal plus, 2020 - Am Soc Microbiol
Plasmids are autonomously replicating sequences that help cells adapt to diverse stresses.
Theta plasmids are the most frequent plasmid class in enterobacteria. They co-opt two host …

The bacterial DNA sliding clamp, β-clamp: structure, interactions, dynamics and drug discovery

S Simonsen, CK Søgaard, JG Olsen, M Otterlei… - Cellular and Molecular …, 2024 - Springer
DNA replication is a tightly coordinated event carried out by a multiprotein replication
complex. An essential factor in the bacterial replication complex is the ring-shaped DNA …

DNA replication initiation in Bacillus subtilis: structural and functional characterization of the essential DnaA–DnaD interaction

E Martin, HEL Williams, M Pitoulias… - Nucleic acids …, 2019 - academic.oup.com
The homotetrameric DnaD protein is essential in low G+ C content gram positive bacteria
and is involved in replication initiation at oriC and re-start of collapsed replication forks. It …

A structural view of the initiators for chromosome replication

KF On, M Jaremko, B Stillman, L Joshua-Tor - Current opinion in structural …, 2018 - Elsevier
Propagation of genetic material is central to the survival and fitness of multicellular
organisms. To efficiently duplicate eukaryotic genomes of sizes between∼ 10 7 bp (yeast) …

Cell size is coordinated with cell cycle by regulating initiator protein DnaA in E. coli

Q Zhang, Z Zhang, H Shi - Biophysical Journal, 2020 - cell.com
Sixty years ago, bacterial cell size was found to be an exponential function of growth rate.
Fifty years ago, a more general relationship was proposed, in which cell mass was equal to …

Targeting the bacterial orisome in the search for new antibiotics

JE Grimwade, AC Leonard - Frontiers in microbiology, 2017 - frontiersin.org
There is an urgent need for new antibiotics to combat drug resistant bacteria. Existing
antibiotics act on only a small number of proteins and pathways in bacterial cells, and it …