1. Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, 744 Motooka Nishi-ku, Fukuoka 819-0395, Japan
2. Faculty of Agriculture, Kyushu University, 744 Motooka Nishi-ku, Fukuoka 819-0395, Japan
3. Research Center for Synchrotron Light Applications, Kyushu University, 6-1 Kasugakoen, Kasuga, Fukuoka 816-8580, Japan
4. Usa Marine Biological Institute, Kochi University, 194 Inoshiri, Usa, Tosa, Kochi 781-1164, Japan