Affiliation: | Nagasaki Prefectural Institute of Fisheries, Taira, Nagasaki 851-2213,;Laboratory of Aquatic Molecular Biology and Biotechnology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo, Tokyo 113-8657 and;Faculty of Fisheries, Nagasaki University, Bunkyo-machi, Nagasaki 852-8521, Japan |