Affiliation: | University of California, San Diego, Division of Biology, Cell and Developmental Biology Section and Center for Molecular Genetics, La Jolla, CA 92093–0116, USA;Present address: Department of Applied Biological Science, Tokyo University of Science, Noda, Chiba, 278–8510 Japan;;Present address: Department of Plant Biology, University of Minnesota, St. Paul, MN 55108–1095, USA |