Affiliation: | (1) Department of Cytology and Genetics, Institute of Botany, University of Vienna, Rennweg 14, A-1030 Vienna, Austria;(2) Institute of Molecular Pathology, Dr. Bohr-Gasse 7, A-1030 Vienna, Austria;(3) Present address: Erwin-Schroedinger-Strasse, Division of Human Genetics and Human Biology of the University, W-6750 Kaiserslautern, Federal Republic of Germany |