Abstract
1 Department of Biology, College of Natural Sciences, Sunchon National University, Suncheon 540-742, Republic of Korea
2 Institute of Water Quality Control and Waste Management, Technical University of Munich, Am Coulombwall, D-85748 Garching, Munich, Germany
3 Department of Petroleum Microbiology, Institute of Biotechnology, Vietnamese Academy of Science and Technology, No. 18, Hoang Quoc Viet, Cau Giay District, Hanoi, Vietnam