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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 …
and its regulation in Escherichia coli. The chromosomal origin (oriC) DNA is unwound by the …
[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 …
dissociation of two nucleoid proteins, IHF and Fis, which play fundamental roles in the …
The linker domain of the initiator DnaA contributes to its ATP binding and membrane association in E. coli chromosomal replication
Y Hou, P Kumar, M Aggarwal, F Sarkari, KM Wolcott… - Science …, 2022 - science.org
DnaA, the initiator of Escherichia coli chromosomal replication, has in its adenosine
triphosphatase (ATPase) domain residues required for adenosine 5′-triphosphate (ATP) …
triphosphatase (ATPase) domain residues required for adenosine 5′-triphosphate (ATP) …
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 …
of this critical process focuses on forming a pre-replicative nucleoprotein complex, termed …
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 …
Initiation of DNA Replication at the Chromosomal Origin of E. coli, oriC
T Katayama - DNA Replication: From Old Principles to New …, 2017 - Springer
The Escherichia coli chromosomal origin consists of a duplex-unwinding region and a
region bearing a DNA-bending protein, IHF-binding site, and clusters of binding sites for the …
region bearing a DNA-bending protein, IHF-binding site, and clusters of binding sites for the …
Origin recognition is the predominant role for DnaA-ATP in initiation of chromosome replication
JE Grimwade, TA Rozgaja, R Gupta… - Nucleic acids …, 2018 - academic.oup.com
In all cells, initiation of chromosome replication depends on the activity of AAA+ initiator
proteins that form complexes with replication origin DNA. In bacteria, the conserved …
proteins that form complexes with replication origin DNA. In bacteria, the conserved …
Replisome assembly at bacterial chromosomes and iteron plasmids
KE Wegrzyn, M Gross, U Uciechowska… - Frontiers in molecular …, 2016 - frontiersin.org
The proper initiation and occurrence of DNA synthesis depends on the formation and
rearrangements of nucleoprotein complexes within the origin of DNA replication. In this …
rearrangements of nucleoprotein complexes within the origin of DNA replication. In this …
The Escherichia coli cryptic prophage protein YfdR binds to DnaA and initiation of chromosomal replication is inhibited by overexpression of the gene cluster yfdQ …
Y Noguchi, T Katayama - Frontiers in microbiology, 2016 - frontiersin.org
The initiation of bacterial chromosomal replication is regulated by multiple pathways. To
explore novel regulators, we isolated multicopy suppressors for the cold-sensitive hda-185 Δ …
explore novel regulators, we isolated multicopy suppressors for the cold-sensitive hda-185 Δ …
Opening the strands of replication origins—still an open question
JK Jha, R Ramachandran, DK Chattoraj - Frontiers in Molecular …, 2016 - frontiersin.org
The local separation of duplex DNA strands (strand opening) is necessary for initiating basic
transactions on DNA such as transcription, replication, and homologous recombination …
transactions on DNA such as transcription, replication, and homologous recombination …