Affiliation: | 1. Molecular Microbiology, Groningen Biomolecular Sciences and Biotechnology Institute and Zernike Institute for Advanced Materials, Kerklaan 30, 9751 NN Haren (The Netherlands), Fax: (+31)?503‐632‐164 http://www.rug.nl/zernike/research/groups/bimem/index;2. Synthetic Organic Chemistry, Stratingh Institute for Chemistry and Zernike Institute for Advanced Materials, University of Groningen, Nijenborgh 4, 9747 AG Groningen (The Netherlands);3. Laboratoire des Symbioses Tropicales et Méditerranéennes, Campus International de Baillarguet, TA 10J, 34398 Montpellier cedex 5 (France) |