Abstract
1 School of Biological Sciences and Institute of Microbiology, Seoul National University, 56-1 Shillim-dong, Kwanak-gu, Seoul 151-742, Republic of Korea
2 Department of Biology, College of Natural Sciences, Sunchon National University, Sunchon 540-742, Republic of Korea
3 Korean Collection for Type Cultures, Korea Research Institute of Bioscience and Biotechnology, Taejon 305-600, Republic of Korea