1. School of Biosciences, University of Exeter, Geoffrey Pope Building, Exeter EX4 4QD, United Kingdom
2. Laboratory of Phytopathology, Wageningen University, 6708 PB Wageningen, The Netherlands
3. Department of Life Sciences, Faculty of Agriculture, Meiji University, Kawasaki, Kanagawa 214-8571, Japan
4. Iwate Rice Biotechnology Center, Kitakami, Iwate 024-0003, Japan
5. Division of Plant Sciences, National Institute of Agrobiological Sciences, Tsukuba, Ibaraki 305-8634, Japan