KatG as Counterselection Marker for Nontuberculous Mycobacteria.

Gagliardi A Institute of Medical Microbiology, University of Zurich, Zurich, Switzerland.
Selchow P Institute of Medical Microbiology, University of Zurich, Zurich, Switzerland.
Luthra S Institute of Medical Microbiology, University of Zurich, Zurich, Switzerland.
Schäfle D Institute of Medical Microbiology, University of Zurich, Zurich, Switzerland.
Schulthess B Institute of Medical Microbiology, University of Zurich, Zurich, Switzerland.
Sander P Institute of Medical Microbiology, University of Zurich, Zurich, Switzerland psander@imm.uzh.ch.