Plasmid segregation mechanisms

G Ebersbach, K Gerdes - Annu. Rev. Genet., 2005 - annualreviews.org
Bacterial plasmids encode partitioning (par) loci that ensure ordered plasmid segregation
prior to cell division. par loci come in two types: those that encode actin-like ATPases and …

Plasmid Localization and Partition in Enterobacteriaceae

JY Bouet, BE Funnell - EcoSal Plus, 2019 - journals.asm.org
Plasmids are ubiquitous in the microbial world and have been identified in almost all
species of bacteria that have been examined. Their localization inside the bacterial cell has …

ATP-driven separation of liquid phase condensates in bacteria

B Guilhas, JC Walter, J Rech, G David, NO Walliser… - Molecular Cell, 2020 - cell.com
Liquid-liquid phase-separated (LLPS) states are key to compartmentalizing components in
the absence of membranes; however, it is unclear whether LLPS condensates are actively …

A propagating ATPase gradient drives transport of surface-confined cellular cargo

AG Vecchiarelli, KC Neuman, K Mizuuchi - Proceedings of the National …, 2014 - pnas.org
The faithful segregation of duplicated genetic material into daughter cells is critical to all
organisms. In many bacteria, the segregation of chromosomes involves transport of …

Stochastic activation of a DNA damage response causes cell-to-cell mutation rate variation

S Uphoff, ND Lord, B Okumus, L Potvin-Trottier… - Science, 2016 - science.org
Cells rely on the precise action of proteins that detect and repair DNA damage. However,
gene expression noise causes fluctuations in protein abundances that may compromise …

[HTML][HTML] Stochastic self-assembly of ParB proteins builds the bacterial DNA segregation apparatus

A Sanchez, DI Cattoni, JC Walter, J Rech… - Cell systems, 2015 - cell.com
Many canonical processes in molecular biology rely on the dynamic assembly of higher-
order nucleoprotein complexes. In bacteria, the assembly mechanism of ParABS, the …

Cell-free study of F plasmid partition provides evidence for cargo transport by a diffusion-ratchet mechanism

AG Vecchiarelli, LC Hwang, K Mizuuchi - Proceedings of the National …, 2013 - pnas.org
Increasingly diverse types of cargo are being found to be segregated and positioned by
ParA-type ATPases. Several minimalistic systems described in bacteria are self-organizing …

A conserved mechanism drives partition complex assembly on bacterial chromosomes and plasmids

RE Debaugny, A Sanchez, J Rech… - Molecular systems …, 2018 - embopress.org
Chromosome and plasmid segregation in bacteria are mostly driven by ParAB S systems.
These DNA partitioning machineries rely on large nucleoprotein complexes assembled on …

Brownian ratchet mechanism for faithful segregation of low-copy-number plasmids

L Hu, AG Vecchiarelli, K Mizuuchi, KC Neuman, J Liu - Biophysical journal, 2017 - cell.com
Bacterial plasmids are extrachromosomal DNA that provides selective advantages for
bacterial survival. Plasmid partitioning can be remarkably robust. For high-copy-number …

Polymerization of SopA partition ATPase: regulation by DNA binding and SopB

JY Bouet, Y Ah‐Seng, N Benmeradi… - Molecular …, 2007 - Wiley Online Library
In bacteria, mitotic stability of plasmids and many chromosomes depends on replicon‐
specific systems which comprise a centromere, a centromere‐binding protein and an …