1. Department of Microbiology, Faculty of Science, Kasetsart University, Chatuchak, Bangkok, Thailand
2. Cassava and Starch Technology Research Laboratory, National Center for Genetic Engineering and Biotechnology, Pathum Thani, Thailand
3. Laboratory of Soil Microbiology, Division of Systems Bioengineering, Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University, Higashi-ku, Fukuoka, Japan