Trehalose, glycogen and ethanol metabolism in the gcr1 mutant of Saccharomyces cerevisiae.

Date

2003-01-01

Author

Şeker, Tamay
Hamamci, H

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Since Gcr1p is pivotal in controlling the transcription of glycolytic enzymes and trehalose metabolism seems to be one of the control points of glycolysis, we examined trehalose and glycogen synthesis in response to 2 % glucose pulse during batch growth ingcr1 (glucose regulation-1) mutant lacking fully functional glycolytic pathway and in the wild-type strain. An increase in both trehalose and glycogen stores was observed 1 and 2 h after the pulse followed by a steady decrease in both the wild-type and thegcr1 mutant. The accumulation was faster while the following degradation was slower ingcr1 cells compared to wild-type ones. Although there was no distinct glucose consumption in the mutant cells it seemed that the glucose repression mechanism is similar ingcr1 mutant and in wild-type strain at least with respect to trehalose and glycogen metabolism.

Subject Keywords

Microbiology, General Medicine

URI

https://hdl.handle.net/11511/42671

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Test and Measurement Center In advanced Technologies (MERKEZ LABORATUVARI), Article