Institution: | (1) Plant Molecular Biology Laboratory NLVF, Division of General Genetics, University of Oslo, Blindern, P.O. Box 1031, N-0315 Oslo 3, Norway;(2) Max-Planck-Institut für Züchtungsforschung, Abteilung Biochemie, 30 Köln, Germany;(3) Present address: Plant Molecular Biology Laboratory NLVF, P.O. Box 51, N-1432 ÅS-NLH, Norway;(4) Present address: Division of General Genetics, University of Oslo, Blindem, P.O. Box 1031, 3 Oslo, Norway |