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Inward rotating spiral waves in glycolysis.


ABSTRACT: We report on the first observation of inward rotating spiral waves (antispirals) in a biochemical reaction-diffusion system. Experiments are performed with extracts from yeast cells in an open spatial reactor. By increasing the protein concentration of the extract we observe a transition from outward to inward propagating waves of glycolytic activity. Numerical simulations with an allosteric model for the phosphofructokinase can reproduce these inward propagating waves over a wide range of parameters if the octameric structure of yeast phosphofructokinase is taken into account.

SUBMITTER: Straube R 

PROVIDER: S-EPMC2895376 | biostudies-literature | 2010 Jul

REPOSITORIES: biostudies-literature

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Inward rotating spiral waves in glycolysis.

Straube Ronny R   Vermeer Satenik S   Nicola Ernesto M EM   Mair Thomas T  

Biophysical journal 20100701 1


We report on the first observation of inward rotating spiral waves (antispirals) in a biochemical reaction-diffusion system. Experiments are performed with extracts from yeast cells in an open spatial reactor. By increasing the protein concentration of the extract we observe a transition from outward to inward propagating waves of glycolytic activity. Numerical simulations with an allosteric model for the phosphofructokinase can reproduce these inward propagating waves over a wide range of param  ...[more]

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