Part:BBa_K1499500
quorum sensing machinery that activates GFP expression
This part is the combination of two parts, BBa_I13202 and BBa_T9002. The first part (BBa_I13202) produces a luxI enzyme which produces an AHL (3OC6HSL). This part is under the control of a lac repressible promoter. The second part (BBa_T9002) produces luxR, which combines with the AHL to activate the luxPR promoter that controls expression of GFP (see image below - created by Cambridge 2010 iGem Team, http://2010.igem.org/Team:Cambridge/ProjectBioluminescence/Luciferase/WikiGeneticsLuxCDABE).
Our goal in building this construct is to create a time delay. Since the production of AHL is under the control of a lac-repressible promoter, the cascade should not begin until the promoter is induced. Additionally, once the promoter is activated, time is required for the AHL and luxR molecules to build up and interact with one another. Only after these molecules are present in large enough quantities to interact and bind to the luxPR promoter will GFP be expressed. Thus by replacing GFP with any gene of interest, this construct can be used to create a time delay for the onset of gene expression. For more information on the specifics of the time delay, see the "experience" page.
Sequence and Features
- 10COMPATIBLE WITH RFC[10]
- 12COMPATIBLE WITH RFC[12]
- 21COMPATIBLE WITH RFC[21]
- 23COMPATIBLE WITH RFC[23]
- 25COMPATIBLE WITH RFC[25]
- 1000INCOMPATIBLE WITH RFC[1000]Illegal BsaI.rc site found at 1815
Illegal BsaI.rc site found at 2543
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