Team:Groningen/project characterisation mu

From 2011.igem.org

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Revision as of 21:51, 20 September 2011


Memory Units

cI Autoinducing Loops

The autoinducing loop driven by cI will function as our first memory unit. We aimed to find a combination of RBS, transcription factor and degradation tag that enables us to toggle between the two steady states in a robust way. To estimate the rate in which single cells are activated by too much leakage of cI protein we measured the fluorescence in uninduced cells with a flow cytometer. To measure the activation we used a construct with the PRM promoter producing GFP.

cI autoinducing loop (BBa_K00) after 4 hours of incubation
Ci1ui.png
Number  % of total Mean fluorescence
Visible 50000 100 ---
Fluorescent 9180 18,36 11419
Non-Fluorescent 34424 68 5974
Two populations are visible blabla
Cel 7 Cel 8