1. Graduate School of Agricultural Science, Kobe University, Kobe 657-8501, Japan.
2. Iwate Biotechnology Research Center, Kitakami 024-0003, Japan.
3. Graduate School of Agriculture, Kyoto University, Kyoto 617-0001, Japan.
4. Graduate School of Environmental and Life Science, Okayama University, Okayama 700-8530, Japan.
5. Department of Plant Pathology, Ohio State University, Columbus, OH 43210, USA.
6. Department of Plant Pathology, Kansas State University, Manhattan, KS 66506, USA.
7. Department of Plant Pathology, University of Kentucky, Lexington, KY 40546, USA.