Institution: | (1) Lipid Molecular Biology Group, Department of Biological Sciences, University of Durham, DH1 3LE, UK;(2) Nickerson BIOCEM Ltd., Cambridge Science Park, Milton Road, CB4 4GZ Cambridge, UK;(3) Scottish Crop Research Institute, Invergowrie, Scotland, UK;(4) Present address: John Innes Institute, Colney Lane, Norwich, UK |