Research Article

A Novel Inducible Protein Production System and Neomycin Resistance as Selection Marker for Methanosarcina mazei

Figure 2

β-glucuronidase activity in cell extract of Ms. mazei after induction of protein production with trimethylamine. (■) Cultures harboring the plasmid pSM01-uidA-Strep (pWM321-p1687-uidA-Strep). (□) Cultures harboring the plasmid pWM321-uidA without the promoter p1687.
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