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Team:Imperial College London/Modules
From 2010.igem.org
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Latest revision as of 11:06, 20 October 2010
| Modules | Overview | Detection | Signaling | Fast Response |
| Our design consists of three modules; Detection, Signaling and a Fast Response, each of which can be exchanged with other systems. We used a combination of modelling and human practices to define our specifications. Take a look at the overview page to get a feel for the outline, then head to the full module pages to find out how we did it. | |
| Detection Module | Signaling Module | Fast Response Module |
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| We decided to design a new mechanism for parasite detection - by using the proteases they release. A novel protein bound to the cell surface, with a signaling peptide attached via a protease cleavage site. When the protease comes along, the signal peptide is released, allowing it to activate our signaling module. | To transduce the signal we used a quorum sensing system of a gram positive bacterium. The two component signal transduction system taken from S. pneumoniae transfers our peptide signal into the cell, activating the fast response module. | Our fast response mechanism is based around using two enzymatic amplification steps involving a transcripted enzyme, a deactivated enzyme and a presynthesised substrate. This greatly reduces the time required for producing a recognisable output, enabling useful field testing kits. |
