1. Molecular and Biological Agricultural Sciences Program Taiwan International Graduate Program Academia Sinica and National Chung Hsing University Taipei 11529 Taiwan
2. Institute of Plant and Microbial Biology Academia Sinica Taipei 11529 Taiwan
3. Graduate Institute of Biotechnology National Chung Hsing University Taichung 40227 Taiwan
4. Biotechnology Center National Chung Hsing University Taichung 40227 Taiwan
5. Department of Applied Science and Engineering Muroran Institute of Technology Muroran Hokkaido 050‐8585 Japan