1Division of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 136-701, Korea
2Ki Hyun Nam and Min-Young Kim contributed equally to this work.
3National Agrobiodiversity Center, National Academy of Agricultural Science, Rural Development Administration, Suwon 441-707, Korea
4Biomedical Research Center, Korea Institute of Science and Technology, Seoul 136-791, Korea
5Department of Genetic Engineering, Sungkyunkwan University, Jangan-gu, Suwon 440-746, Korea
6Fermentation and Food Processing Division, Department of Korean Food Research for Globalization, National Academy of Agricultural Science, Rural Devlopment Administration, Suwon 441-707, Korea
7Functional Bio-Material Division, National Academy of Agricultural Science, Rural Development Administration, Suwon 441-707, Korea