1. Non-nucleoside small molecule inhibitors of MraY: challenges and opportunities Sudeshna Roy 2. Nucleoside-derived inhibitors of MraY: medicinal chemistry with natural products Christia Ducho 3. The bacterial enzyme MurA as a drug target for potential novel antibiotics Matthias Engel 4. Bacterial metalloproteases as promising targets for antivirulence agents Anna K. H. Hirsch 5. Quo vadis quorum sensing? Advances in disrupting the Pseudomonas Quinolone Signal (PQS) Martin Empting