**8. Acknowledgments**

I thank Drs. Kayoko Kameda, Satoru Hobara, Keisuke Koba, Akira Ishida, Yu Fukasawa, and Hiroshi Takeda, Mrs. Satomi Fujiwara, and Mr. Shingo Katsumata for collaborations in the research projects; Drs. Seiji Tokumasu and Susumu Iwamoto for helpful identification of fungi; and Dr. Elizabeth Nakajima for proofreading of the manuscript. Dr. Kayoko Kameda kindly provided original data of Fig. 1. This study was supported by Global COE Program A06 of Kyoto University.
