Team:ETH Zurich/expresults/qs/tab-plux

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**Table 1** Crosstalk matrix for the promoter plux ([http://parts.igem.org/Part:BBa_R0062:Experience BBa_R0062])
Crosstalk can be observed for the cases where the 3OC12-HSL (Las-AHL) binds the LuxR regulator. Additionally for 3OC12-HSL binding to its corresponding regulator LasR and then binding to the pLux as seen in the middle of the top row and center of the matrix. For the case of Las-AHL binding the LasR and subsequently the promoter pLux, the transition occurs at 1 nM and reaches 0.5 fold the fluorescence as pLux induced by 3OC6-HSL binding LuxR. In the case of 3OC12-HSL binding LuxR and inducing the promoter pLux, the transition is observed at approximately 100 nM and severe crosstalk is observed. The promoter pLux was not tested in combination with the RhlR regulator and the C4-HSL. Observation of C4-HSL has shown, that there is no significant crosstalk with the LuxR and LasR regulators binding C4-HSL and subsequently to pLux. This is indicated on top right and middle right graphs.