Institution: | a C. Cseke, A. Balogh, J. H. Wong and B. B. Buchanan are at the Division of Molecular Plant Biology, 305 Hilgard Hall, University of California, Berkeley, CA 94720, USA b M. Stitt, B. Herzog and H. W. Heldt are at the Institut für Biochemie der Pflanze, Universität Göttingen, 3400, Göttingen, FRG |