Morphogenesis of the Fission Yeast Cell through Cell Wall Expansion.

ABSTRACT: The shape of walled cells such as fungi, bacteria, and plants are determined by the cell wall. Models for cell morphogenesis postulate that the effects of turgor pressure and mechanical properties of the cell wall can explain the shapes of these diverse cell types. However, in general, these models await validation through quantitative experiments. Fission yeast Schizosaccharomyces pombe are rod-shaped cells that grow by tip extension and then divide medially through formation of a cell wall septum. Upon cell separation after cytokinesis, the new cell ends adopt a rounded morphology. Here, we show that this shape is generated by a very simple mechanical-based mechanism in which turgor pressure inflates the elastic cell wall in the absence of cell growth. This process is independent of acti

SUBMITTER: Atilgan E 

PROVIDER: S-EPMC4627367 | biostudies-literature | 2015 Aug

REPOSITORIES: biostudies-literature