Difference between revisions of "Part:BBa K4115040"

Revision as of 12:35, 3 October 2022

J23101-B0034-LuxI-B0015

This composite part is used to produce 3OC6 HSL by LacI (BBa_C0161) under a constitutive promoter J23101(BBa_J23101) and send it to the receiver protein LuxR (BBa_C0062)in the other E. coli.When the LuxR receives the signal, it will regulate and express the downstream report gene sfGFP, thus we can detect whether LuxI is functional by observing the fluorescence intensity under UV light.

Proof of function

We encapsulated E. coli with this composite part and E. coli with LuxR and sfGFP into alginate gel beads. The E. coli with LuxI secreted the 3OC6 HSL signal molecule, and the E. coli with LuxR received the signal and regulate the expression of downstream sfGFP, making it express. So we can detect green fluorescence in the latter E. coli under the irradiation of ultraviolet light.

Figure 1: sfGFP is expressed under the regulation of LuxR between E. coli in a single gel bead. Two parallel groups are given and the above two are control groups.

Sequence and Features