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. Author manuscript; available in PMC: 2019 Jan 12.
Published in final edited form as: FEMS Microbiol Lett. 2009 Apr 27;295(2):238–244. doi: 10.1111/j.1574-6968.2009.01605.x

Fig. 5. Catalase activity in plantonic vs. biofilm culture.

Fig. 5.

All bacteria were harvested from either stationary phase planktonic (white bars) or 3-day old biofilm (grey bars) culture in either TSB or 1% TSB, respectively. Cell extracts were assayed for catalase activity as described in the materials and methods. Lane 1, wild-type; lane 2, oxyR; lane 3, oxyR-poxyR.