RRC ID 49659
Author Akanuma T, Chen C, Sato T, Merks RM, Sato TN.
Title Memory of cell shape biases stochastic fate decision-making despite mitotic rounding.
Journal Nat Commun
Abstract Cell shape influences function, and the current model suggests that such shape effect is transient. However, cells dynamically change their shapes, thus, the critical question is whether shape information remains influential on future cell function even after the original shape is lost. We address this question by integrating experimental and computational approaches. Quantitative live imaging of asymmetric cell-fate decision-making and their live shape manipulation demonstrates that cellular eccentricity of progenitor cell indeed biases stochastic fate decisions of daughter cells despite mitotic rounding. Modelling and simulation indicates that polarized localization of Delta protein instructs by the progenitor eccentricity is an origin of the bias. Simulation with varying parameters predicts that diffusion rate and abundance of Delta molecules quantitatively influence the bias. These predictions are experimentally validated by physical and genetic methods, showing that cells exploit a mechanism reported herein to influence their future fates based on their past shape despite dynamic shape changes.
Volume 7
Pages 11963
Published 2016-6-28
DOI 10.1038/ncomms11963
PII ncomms11963
PMID 27349214
PMC PMC4931277
MeSH Cell Shape* Computer Simulation Intracellular Signaling Peptides and Proteins / physiology Membrane Proteins / physiology Mitosis Models, Biological*
IF 12.121
Times Cited 19
Resource
Zebrafish Tg(vsx1:EGFP)