Institution: | (1) Department of Biological Sciences and Technology Science University of Tokyo Yamazaki, Noda-shi, Chiba 278-8510, Japan, JP;(2) National Institute for Basic Biology Myodaiji, Okazaki-shi, Aichi 444-8585, Japan e-mail: shigiida@nibb.ac.jp Fax: +81-564-557685, JP |