IUBio

Common fermentation pathway?

Forday Wayne Lee fwl at titan.np.ac.sg
Thu Apr 18 00:03:04 EST 1996


In article <960413120728_374671367 at emout09.mail.aol.com>,
 <JNeway1 at aol.com> wrote:
>
>Glycolysis is a fermentative pathway of reactions that occurs widely in
>bacteria (including E. coli) that produces organic acids (acetate, lactate,
>pyruvate, formate & others).  These build up in the medium when oxygen is
>limiting and oxidative phosphorylation cannot function to reduce oxygen to
>water as a more energy efficient way of disposing of electrons.


Actually, glycolysis leads to the production of pyruvate.

Fermentative organisms then use a variety of pathways to reduce pyruvate to
various end-products. They normally posssess more than one pathway for doing
the latter and will switch depending on the availability of substrate or
other factors.



-- 
Wayne Lee Forday, Biotechnology Department 
Ngee Ann Polytechnic, Singapore 
fwl at np.ac.sg
Fax:467-9109



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