Tokyo/New AHL check



To determine and compare the activity of the AHL used so far and that of the newly purchased AHL.


A4 placQI in pTrc99A (pos. con.)
A4ΔP in pTrc99A (neg. con.)
A4 hybrid promoter in pBR322


The old and the newly delivered AHL was used.
AHL assay Standard protocol
The final concantrations of AHL applied here were 0.01, 0.1, 0.5, 1, 10, 100, and 1000 nM.

Result & Conclusion:

The ability of the new AHL to activate the pomoters was almost the twice of that of old one.

"Back to Preliminary assays"