1. Department of Microbiology and Biotechnology, Daejeon University, 96-3 Yongun-dong, Dong-gu, Daejeon 300-716, Republic of Korea
2. Korea Research Institute of Bioscience & Biotechnology, 52 Oun-Dong, Yuseong, Daejeon 305-333, Republic of Korea
3. National Center for Agricultural Utilization Research, USDA-ARS, Peoria, IL 61604, USA
4. Department of Microbiology and Molecular Biology, Chungnam National University, 220 Gung-dong, Yuseong, Daejeon 305-764, Republic of Korea