in the lab
pCMMCD 105
Plasmid consisting of ComR (BBa_K2341000), the p1655 promoter (containing the ComR box, BBa_K2341001), GusA and an erythromycin resistance.
GusA encodes the beta-glucuronidase gene from E. coli. This is a much used reporter gene that uses glucuronides as substrates, the most common of which are X-gluc (5-bromo-4-chloro-3-indolyl glucuronide) and para-nitrophenyl glucuronide.
Here, it is under the control of the ComRS pathway and uses the ComS peptide from S. thermophilius (LPYFAGGL).