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. 1997 Jun 15;151(2):131-3.
doi: 10.1111/j.1574-6968.1997.tb12560.x.

GAP1 activity is dependent on cAMP in Saccharomyces cerevisiae

A A Amitrano  1 , D A Saenz, E H Ramos
Affiliations

GAP1 activity is dependent on cAMP in Saccharomyces cerevisiae

A A Amitrano et al. FEMS Microbiol Lett. .

Abstract

General amino acid permease (GAP1) activity was evaluated in adenylate cyclase-deficient Saccharomyces cerevisiae to determine the effect of cAMP levels on GAP1 activity. Lowering cAMP concentrations in the culture media led to a decrease in the initial rates of L-citrulline uptake. Kinetics of the amino acid transport system showed a partial loss of transport capacity, with no apparent modifications in permease affinity.

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