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Pasteur effect

Definition

noun

The inhibiting effect of oxygen on the fermentation process.


Supplement

The effect was discovered in 1857 by Louis Pasteur. He found that aerating yeasted broth caused the yeast cell growth increased while fermentation rate decreased. A switch from anaerobic to anaerobic conditions results in the decrease in the rate of carbohydrate breakdown in yeasts. Citrate and atp allosteric inhibition of the PFK 1 enzyme explains the Pasteur effect.


Word origin: named after its discoverer Louis Pasteur.

Variant: Pasteur's effect


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Pasteur effect

Pasteur effect is shown when you grow a facultatively anaerobic organism in an anaerobic condition. When you move that organism ...

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by victor
Sat Nov 17, 2007 12:03 am
 
Forum: General Discussion
Topic: Pasteur effect
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Views: 512

Pasteur effect

I've read about the Pasteur effect (the glucose flux is reduced by the presence of oxygen). But I wonder if the oxygen flux is reduced ...

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by Lecticia
Wed Nov 14, 2007 9:08 pm
 
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