1 Max-Planck Institute for Chemical Ecology, Department of Natural Product Biosynthesis, Hans-Knoll Strasse 8, 07745, Jena, Germany.
2 Center for Applied Genetic Technologies, University of Georgia, Athens, GA, USA.
3 Max-Planck Institute for Biochemistry, Department of Structural Cell Biology, Am Klopferspitz 18, 82152, Martinsried, Germany.
4 University of York, Department of Biology, Centre for Agricultural Products, Wentworth Way, York, YO10 5DD, UK.
5 Max-Planck Institute for Chemical Ecology, Department of Natural Product Biosynthesis, Hans-Knoll Strasse 8, 07745, Jena, Germany. oconnor@ice.mpg.de.