1. Biosystems, School of Informatics and Sciences; Nagoya University; Nagoya Aichi 464-01 Japan
2. Second Department of Hygienic Chemistry; Tohoku College of Pharmacy; Sendai Miyagi 981 Japan
3. Sendai Research Institute for Mycology; Sendai Miyagi 981 Japan
4. Department of Microbiology and Immunology; Aichi Medical University; Nagakute Aichi 480-11 Japan