Affiliation: | (1) Biology Department, University of Michigan, 48109 Ann Arbor, MI, USA;(2) Department of Plant Breeding and Biometry, Cornell University, 14853 Ithaca, NY, USA;(3) Institut für Biochemie der Pflanze der Universität Göttingen, Untere Karspule 2, 34 Göttingen, Federal Republic of Germany;(4) Advanced Genetic Sciences, Inc., 6701 San Pablo Avenue, 94608 Oakland, CA, USA |