Eriko Kage-Nakadai, Hiroyuki Kobuna, Osamu Funatsu, Muneyoshi Otori, Keiko Gengyo-Ando, Sawako Yoshina, Sayaka Hori and Shohei Mitani*
* Corresponding author: Shohei Mitani mitani1@research.twmu.ac.jp
BMC Biotechnology 2012, 12:1 doi:10.1186/1472-6750-12-1