1. Department
of Chemistry, University of Iowa, Iowa
City, Iowa 52242, United States
2. College of Medical and Life Sciences, Silla University, Busan 617-736, Korea
3. Korea Research Institute of Bioscience and Biotechnology (KRIBB), 52 Eoun-dong, Yuseong-gu, Daejeon 305-333, Republic of
Korea
4. Bacterial Foodborne
Pathogens and Mycology Research Unit, Agricultural Research Service,
National Center for Agricultural Utilization Research, USDA, Peoria, Illinois 61604, United States