Team:Technion-Israel/Composite Part

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Composite Parts

We have added three new composite parts to the iGEM registry.

Our parts are comprised of both existing basic parts from the parts registry and our new basic parts.

The composite parts were designed for our project and used in the lab to prove our concept.

Our Composite Parts

Name Type Description Designer Length
Favorite W BBa_K2934004 Composite AmyE - Glucose Oxidase-Histag for Bacillus subtilis Nir Litver 1983
BBa_K2934006 Composite AmyE - Invertase-Histag for Bacillus subtilis Nir Litver 1935
BBa_K2934008 Composite pKatA-LacI-pLac-Glucose Oxidase-Histag for B. subtilis Nir Litver, Shira Levi, Asaf Licht 3391

Our Best New Composite Part

Our best new composite part is BBa_K2934008, our “Honey Circuit”. This part is based on simple, yet fascinating, negative feedback machinery and it is mainly comprised of our new basic parts.

This part was designed to produce Glucose Oxidase (GOx) in a regulated manner – GOx catalyzes the oxidation of glucose and releases hydrogen peroxide as a byproduct. As the hydrogen peroxide concentration rises, this results in the production of LacI repressor which leads to the suppression of the GOx transcription. Thus, the oxidation of glucose in the medium is highly regulated.


Figure 1: The "Honey Circuit" negative feedback




My First Website

Department of Biotechnology & Food Engineering
Technion – Israel Institute of Technology
Haifa 32000, Israel

  • igem.technion.2019@gmail.com