Institution: | (1) Department of Genetics and Cell Biology, University of Minnesota, 55108-1095 St. Paul, MN, USA;(2) Department of Plant Biology, University of Minnesota, 55108-1095 St. Paul, MN, USA;(3) Plant Molecular Genetics Institute, University of Minnesota, 55108-1095 St. Paul, MN, USA;(4) Present address: Department of Biochemistry, Royal Holloway and Bedford New College, University of London, Egham Hill, TW20 0EX Egham, Surrey, UK |