Document Detail

Desynchronisation of glycolytic oscillations in yeast cell populations.
MedLine Citation:
PMID:  22984417     Owner:  NLM     Status:  MEDLINE    
Glycolytic oscillations of intact yeast cells of the strain Saccharomyces carlsbergensis were investigated at both the levels of cell populations and of individual cells. Individual cells showed glycolytic oscillations even at very low cell densities (e.g. 1.0 x 10(5) cells/ml). By contrast, the collective behaviour on the population level was cell density-dependent: at high cell densities it is oscillatory, but below the threshold density of 1.0 x 10(6) cells/ml the collective dynamics becomes quiescent. We demonstrate that the transition in the collective dynamics is caused by the desynchronisation of the oscillations of individual cells. This is characteristic for a Kuramoto transition. Spatially resolved measurements at low cell densities revealed that even cells that adhere to their neighbours oscillated with their own, independent frequencies and phases.
André Weber; Yury Prokazov; Werner Zuschratter; Marcus J B Hauser
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2012-09-11
Journal Detail:
Title:  PloS one     Volume:  7     ISSN:  1932-6203     ISO Abbreviation:  PLoS ONE     Publication Date:  2012  
Date Detail:
Created Date:  2012-09-17     Completed Date:  2013-03-12     Revised Date:  2013-07-11    
Medline Journal Info:
Nlm Unique ID:  101285081     Medline TA:  PLoS One     Country:  United States    
Other Details:
Languages:  eng     Pagination:  e43276     Citation Subset:  IM    
Biophysics Group, Institute of Experimental Physics, Otto von Guericke University, Magdeburg, Germany.
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MeSH Terms
Colony Count, Microbial
Saccharomyces / cytology*,  growth & development,  metabolism*
Time Factors

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