1. Division of Applied Life Science (BK21 Program), EB-NCRC, Institute of Agriculture and Life Science, Graduate School of Gyeongsang National University, Jinju 660-701, South Korea
2. 12 New Road, Nafferton, Driffield, East Yorkshire YO25 4JP, United Kingdom
3. Molecular Bioprocess Research Center, KRIBB, Jeoungeup 580-185, South Korea