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J. Bacteriol., Aug 1996, 4721-4723, Vol 178, No. 15
Copyright © 1996, American Society for Microbiology

Glucose repression may involve processes with different sugar kinase requirements

P Sanz, A Nieto and JA Prieto
Departmento de Biotecnologia de Alimentos, Instituto de Agroquimica yTecnologia de Alimentos, Consejo Superior de Investigaciones Cientificas, Valencia, Spain.

Adding glucose to Saccharomyces cerevisiae cells growing among nonfermentable carbon sources leads to glucose repression. This process may be resolved into several steps. An early repression response requires any one of the three glucose kinases present in S. cerevisiae (HXK1, HXK2, or GLK1). A late response is only achieved when Hxk2p is present.


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