Affiliation: | (1) Plantech Research Institute, 1000 Kamoshida, Aoba-ku, Yokohama 227, Japan, e-mail: simamoto@bs.aist-nara.ac.jp, JP;(2) Faculty of Agriculture, Niigata University, 8050 Ikarashi 2 no-cho, Niigata 950-21 Japan, JP;(3) Laboratory of Plant Molecular Genetics, Nara Institute of Science and Technology, Ikoma 630-01, Japan, JP |