1. Research and Development Institute, Takenaka Corporation, 1–5–1, Otsuka, Inzai-shi, Chiba, 270–1395, Japan
2. Graduate School of Bioindustry, Tokyo University of Agriculture, Yasaka 196, Abashiri, Hokkaido, 099–2493, Japan
3. 3108 Finch Street, Davis, CA 95616, USA
4. Faculty of Bioindustry, Tokyo University of Agriculture, Yasaka 196, Abashiri, Hokkaido, 099–2493, Japan