Department ofMicrobiology, Functional Genomics Center Zurich, University/ETH Zurich, University of Zurich, Zurich, Switzerland. Hubert.Rehrauer@fgcz.uzh.ch|Department ofMicrobiology, Functional Genomics Center Zurich, University/ETH Zurich, University of Zurich, Zurich, Switzerland. Hubert.Rehrauer@fgcz.uzh.ch|Department ofMicrobiology, Functional Genomics Center Zurich, University/ETH Zurich, University of Zurich, Zurich, Switzerland. Hubert.Rehrauer@fgcz.uzh.ch|Department ofMicrobiology, Functional Genomics Center Zurich, University/ETH Zurich, University of Zurich, Zurich, Switzerland. Hubert.Rehrauer@fgcz.uzh.ch