IHF and Fis as Escherichia coli Cell Cycle Regulators: Activation of the Replication Origin oriC and the Regulatory Cycle of the DnaA Initiator
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 …
dissociation of two nucleoid proteins, IHF and Fis, which play fundamental roles in the …
Extracellular DNA-protein interactions
SD Goodman - Current Opinion in Structural Biology, 2024 - Elsevier
Highlights•Nucleoprotein structures are part of the extracellular matrix of biofilms.•The
nucleoprotein structures of biofilms are ubiquitous.•The nucleoprotein structures are both for …
nucleoprotein structures of biofilms are ubiquitous.•The nucleoprotein structures are both for …
Rep protein accommodates together dsDNA and ssDNA which enables a loop-back mechanism to plasmid DNA replication initiation
K Wegrzyn, M Oliwa, M Nowacka… - Nucleic Acids …, 2023 - academic.oup.com
For DNA replication initiation in Bacteria, replication initiation proteins bind to double-
stranded DNA (dsDNA) and interact with single-stranded DNA (ssDNA) at the replication …
stranded DNA (dsDNA) and interact with single-stranded DNA (ssDNA) at the replication …
Open questions about the roles of DnaA, related proteins, and hyperstructure dynamics in the cell cycle
M Kohiyama, J Herrick, V Norris - Life, 2023 - mdpi.com
The DnaA protein has long been considered to play the key role in the initiation of
chromosome replication in modern bacteria. Many questions about this role, however …
chromosome replication in modern bacteria. Many questions about this role, however …
Hypothesis: Bacteria live on the edge of phase transitions with a cell cycle regulated by a water-clock
V Norris - Theory in Biosciences, 2024 - Springer
A fundamental problem in biology is how cells obtain the reproducible, coherent phenotypes
needed for natural selection to act or, put differently, how cells manage to limit their …
needed for natural selection to act or, put differently, how cells manage to limit their …
Negative DNA supercoiling enhances DARS2 binding of DNA-bending protein IHF in the activation of Fis-dependent ATP-DnaA production
K Kasho, K Miyoshi, M Yoshida, R Sakai… - Nucleic acids …, 2025 - academic.oup.com
Oscillation of the active form of the initiator protein DnaA (ATP-DnaA) allows for the timely
regulation for chromosome replication. After initiation, DnaA-bound ATP is hydrolyzed …
regulation for chromosome replication. After initiation, DnaA-bound ATP is hydrolyzed …
Read-through transcription of tRNA underlies the cell cycle-dependent dissociation of IHF from the DnaA-inactivating sequence datA
K Kasho, R Sakai, K Ito, W Nakagaki… - Frontiers in …, 2024 - frontiersin.org
Timely initiation of chromosomal DNA replication in Escherichia coli is achieved by cell cycle-
coordinated regulation of the replication origin, oriC, and the replication initiator, ATP-DnaA …
coordinated regulation of the replication origin, oriC, and the replication initiator, ATP-DnaA …
Toward an understanding of the DNA replication initiation in bacteria
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 …
years, many important discoveries have been made related to this process in recent years …
SSB promotes DnaB helicase passage through DnaA complexes at the replication origin oriC for bidirectional replication
Y Akama, R Yoshida, S Ozaki… - The Journal of …, 2025 - academic.oup.com
For bidirectional replication in Escherichia coli, higher order complexes are formed at the
replication origin oriC by the initiator protein DnaA, which locally unwinds the left edge of …
replication origin oriC by the initiator protein DnaA, which locally unwinds the left edge of …
How bacteria initiate DNA replication comes into focus
F Rashid, JM Berger - BioEssays, 2025 - Wiley Online Library
The ability to initiate DNA replication is a critical step in the proliferation of all organisms. In
bacteria, this process is mediated by an ATP‐dependent replication initiator protein, DnaA …
bacteria, this process is mediated by an ATP‐dependent replication initiator protein, DnaA …