The bacterial cell cycle, chromosome inheritance and cell growth

R Reyes-Lamothe, DJ Sherratt - Nature Reviews Microbiology, 2019 - nature.com
All viable bacterial cells, whether they divide symmetrically or asymmetrically, must
coordinate their growth, division, cell volume and shape with the inheritance of the genome …

[HTML][HTML] 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 …

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 …

[HTML][HTML] Transcriptional activity of the bacterial replication initiator DnaA

IP Menikpurage, K Woo, PE Mera - Frontiers in microbiology, 2021 - frontiersin.org
In bacteria, DnaA is the most conserved DNA replication initiator protein. DnaA is a DNA
binding protein that is part of the AAA+ ATPase family. In addition to initiating chromosome …

[HTML][HTML] Coping with Reactive Oxygen Species to Ensure Genome Stability in Escherichia coli

B Mendoza-Chamizo, A Løbner-Olesen, G Charbon - Genes, 2018 - mdpi.com
The facultative aerobic bacterium Escherichia coli adjusts its cell cycle to environmental
conditions. Because of its lifestyle, the bacterium has to balance the use of oxygen with the …

[HTML][HTML] Origins Left, Right, and Centre: Increasing the Number of Initiation Sites in the Escherichia coli Chromosome

JU Dimude, M Stein, EE Andrzejewska, MS Khalifa… - Genes, 2018 - mdpi.com
The bacterium Escherichia coli contains a single circular chromosome with a defined
architecture. DNA replication initiates at a single origin called oriC. Two replication forks are …

Hydroxyurea induces a stress response that alters DNA replication and nucleotide metabolism in Bacillus subtilis

KJ Wozniak, LA Simmons - Journal of bacteriology, 2021 - Am Soc Microbiol
Hydroxyurea (HU) is classified as a ribonucleotide reductase (RNR) inhibitor and has been
widely used to stall DNA replication by depleting deoxyribonucleoside triphosphate (dNTP) …

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 …

The Mutant βE202K Sliding Clamp Protein Impairs DNA Polymerase III Replication Activity

C Homiski, MK Scotland, VMP Babu… - Journal of …, 2021 - Am Soc Microbiol
Expression of the Escherichia coli dnaN-encoded β clamp at≥ 10-fold higher than
chromosomally expressed levels impedes growth by interfering with DNA replication. We …

Countermeasures to survive excessive chromosome replication in Escherichia coli

G Charbon, L Riber, A Løbner-Olesen - Current genetics, 2018 - Springer
In Escherichia coli, like all organisms, DNA replication is coordinated with cell cycle
progression to ensure duplication of the genome prior to cell division. Chromosome …