Composite

Part:BBa_K3886026

Designed by: Meng Fankang   Group: iGEM21_NDNF_China   (2021-10-17)


L-arabinose-inducible Chromoprotein eforRed expression circuits

This composite part is used to achieve L-arabinose-induced Chromoprotein eforRed expression. We tested this circuit in our Hidro system. To learn more about Hidro system, please visit NDNF_China Proof-Of-Concept.

Characterization

To determine whether encapsulated bacteria in Hidro can respond to these external signal inputs, we encapsulated Hidro with the bacteria containing a genetic circuit that expresses chromoprotein (eforRed) in response to L-arabinose induction (Figure 1A). We then incubated the beads at 37 °C in the absence of L-arabinose or in the presence of 10mM L-arabinose. We found that encapsulated cells exposed to L-arabinose exhibited a pink colour compared with encapsulated cells not exposed to L-arabinose (Figure 1B). Thus, gene expression in Hidro can be exogenously controlled by chemical inducers.

Figure 1: (A) The schematic of a L-arabinose–controlled genetic switch to produce chromoprotein eforRed; (B) eforRed protein production in Hidro.
Sequence and Features


Assembly Compatibility:
  • 10
    COMPATIBLE WITH RFC[10]
  • 12
    COMPATIBLE WITH RFC[12]
  • 21
    INCOMPATIBLE WITH RFC[21]
    Illegal BamHI site found at 1214
  • 23
    COMPATIBLE WITH RFC[23]
  • 25
    INCOMPATIBLE WITH RFC[25]
    Illegal NgoMIV site found at 1474
    Illegal AgeI site found at 1049
  • 1000
    INCOMPATIBLE WITH RFC[1000]
    Illegal SapI site found at 1031


[edit]
Categories
Parameters
None