Seto, Yoshiya; Takahashi, Kosaku; Matsuura, Hideyuki; Kogami, Yasunori; Yada, Hiroshi; Yoshihara, Teruhiko; Nabeta, Kensuke Bioscience, Biotechnology and Biochemistry, 2007 , vol. 71, # 6 p. 1470 - 1475