1. Transgenic Crop Research and Development Centre; National Institute of Agrobiological Sciences (NIAS); Tsukuba; Ibaraki; Japan
2. Rice Physiology Research Team; National Institute of Crop Science (NICS); National Agricultural and Food Research Organization (NARO); Tsukuba; Ibaraki; Japan
3. Department of Microbiology and Immunology; Hokuriku University; Kanazawa; Japan