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Molecular coordination of Staphylococcus aureus cell division

The bacterial cell wall is essential for viability, but despite its ability to withstand internal turgor must remain dynamic to permit growth and division. Peptidoglycan is the major cell wall structural polymer, whose synthesis requires multiple interacting components. The human pathogen is a prola...

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Published in:eLife 2018-02, Vol.7
Main Authors: Lund, Victoria A, Wacnik, Katarzyna, Turner, Robert D, Cotterell, Bryony E, Walther, Christa G, Fenn, Samuel J, Grein, Fabian, Wollman, Adam Jm, Leake, Mark C, Olivier, Nicolas, Cadby, Ashley, Mesnage, Stéphane, Jones, Simon, Foster, Simon J
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cited_by cdi_FETCH-LOGICAL-c475t-2a1453c096061f68bf1aa1de9cb28d4c203aa21e00625a0e2e02ee3cb0ed21473
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container_title eLife
container_volume 7
creator Lund, Victoria A
Wacnik, Katarzyna
Turner, Robert D
Cotterell, Bryony E
Walther, Christa G
Fenn, Samuel J
Grein, Fabian
Wollman, Adam Jm
Leake, Mark C
Olivier, Nicolas
Cadby, Ashley
Mesnage, Stéphane
Jones, Simon
Foster, Simon J
description The bacterial cell wall is essential for viability, but despite its ability to withstand internal turgor must remain dynamic to permit growth and division. Peptidoglycan is the major cell wall structural polymer, whose synthesis requires multiple interacting components. The human pathogen is a prolate spheroid that divides in three orthogonal planes. Here, we have integrated cellular morphology during division with molecular level resolution imaging of peptidoglycan synthesis and the components responsible. Synthesis occurs across the developing septal surface in a diffuse pattern, a necessity of the observed septal geometry, that is matched by variegated division component distribution. Synthesis continues after septal annulus completion, where the core division component FtsZ remains. The novel molecular level information requires re-evaluation of the growth and division processes leading to a new conceptual model, whereby the cell cycle is expedited by a set of functionally connected but not regularly distributed components.
doi_str_mv 10.7554/eLife.32057
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source Publicly Available Content Database; PubMed Central
subjects Bacteria
Cell cycle
Cell Division
Cell wall
Cell Wall - metabolism
Cell walls
Division
Divisome
Gene Expression Regulation, Bacterial
Gene Regulatory Networks
Localization
Microbiology and Infectious Disease
Microscopy
Models, Biological
Penicillin
Peptidoglycan
Peptidoglycan - metabolism
Peptidoglycans
Protein Interaction Maps
Proteins
Staphylococcus aureus
Staphylococcus aureus - physiology
Turgor
title Molecular coordination of Staphylococcus aureus cell division
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