Difference between revisions of "Team:Marburg/Curli"

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<h8>Curli</h8>
 
<h8>Curli</h8>
 
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Revision as of 11:47, 4 September 2015

Curli


Abstract:

We want to support the natural functions of our gut and extend its metabolic capacity. This is mediated by a modifiable cell free biofilm matrix which can be modulated according to the need of the user. The system is based on csgA nano fibers and the SpyTag/SpyCatcher system.



Aim:

With our food we take up toxic and unnecessary substances which harm our bodies. In order to prevent these substances to be resorbed by the intestinal mucosa, we wanted to develop a system which converts, reduces or detoxify these components. For these three modes of action we chose
a) the lactase for converting lactose into glucose and galactose,
b) the D-galactose/D-glucose binding protein to reduce the natural glucose resorption and
c) the alcohol dehydrogenase for detoxification.
To combine these functions we choose a natural occurring biofilm matrix on which we immobilize the corresponding proteins. This platform consists of modified curli fibers which have the capacity to bind proteins via the SypTag/SpyCatcher system. This enables us to design personalized food additives.


Background:

Curli fibers

Lactase

Alcoholdehydrogenase

D-Galactose-/D-Glucose binding protein

SpyTag/SpyCatcher system