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Team:Imperial College London/Modules/Detection
From 2010.igem.org
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Revision as of 17:50, 16 October 2010
| 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. |
| Detection Module |
