Mikihiko Kawai, Yoshikazu Furuta, Koji Yahara, Takeshi Tsuru, Kenshiro Oshima, Naofumi Handa, Noriko Takahashi, Masaru Yoshida, Takeshi Azuma, Masahira Hattori*, Ikuo Uchiyama and Ichizo Kobayashi*
* Corresponding authors: Masahira Hattori hattori@k.u-tokyo.ac.jp - Ichizo Kobayashi ikobaya@ims.u-tokyo.ac.jp
BMC Microbiology 2011, 11:104 doi:10.1186/1471-2180-11-104