Abstract
1 Research Institute of Genome-based Biofactory, National Institute of Advanced Industrial Science and Technology (AIST), Tsukisamu-Higashi, Toyohira-ku, Sapporo 062-8517, Japan
2 Department of Bioscience and Technology, School of Engineering, Hokkaido Tokai University, Minamisawa, Minami-ku, Sapporo 005-8601, Japan
3 Graduate School of Agriculture, Hokkaido University, Kita-ku, Sapporo 060-8589, Japan
4 Laboratory of Electron Microscopy, Graduate School of Dentistry, Hokkaido University, Kita-ku, Sapporo 060-8586, Japan
5 Department of Biological Science, Faculty of Science, Shizuoka University, 836 Ohya, Suruga-ku, Shizuoka 422-8529, Japan