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Experiment 1: Measuring RFP output by co-transformation of MalE and MalE31 coupled to arabinose promoter in the CpxR-RFP competent cells


Arabinose inducible promoter (I0500) coupled with standard ribosome binding site (B0034) and the respective maltose binding protein were transformed into competent cells containing pCpxR coupled with RFP generator (I13507). These cells were plated and incubated overnight. Colonies from each of the plates were selected and overnight cultures were prepared at 37 C. These 5 ml overnight cultures were then sub-cultured in 20 ml broth. These were shaken for 6-8 hours and aliquoted into 5 ml cultures and induced with varying levels of arabinose. This was incubated in the shaker for 12-14 hours and RFP output was measured using 555/632 nm.