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Yeast Forum Discuss research on yeast the model organism. Post questions and topics on the molecular biology and genetics of Saccharomyces cerevisiae and other yeast species.


How to define carbon source is fermentable or non-fermentable?

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Discuss research on yeast the model organism. Post questions and topics on the molecular biology and genetics of Saccharomyces cerevisiae and other yeast species.



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Old 09-18-2008, 08:48 AM
Pipette Filler
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Default How to define carbon source is fermentable or non-fermentable?

Hello!

May I ask a question here?
How to define a carbon source used in yeast culture is fermentable or non-fermentable? As I know, once the carbon source can be metabolized by yeast under anaerobic condition (such as glucose) will be defined as fermentable one. However, glycerol has defined as a non-fermentable one. But when I check the pathway, glycerol also can be metabolized into Pyruvate just like glucose in glycolysis pathway. So, why yeast can not use glycerol under anaerobic condition?
Thank you very much!
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