Short title: MAT locus in the SDS and BRR fusaria Genetic architecture and evolution of the mating type locus in fusaria that cause soybean sudden death syndrome and bean root rot

Genetic architecture and evolution of the mating type locus in fusaria that cause soybean sudden death syndrome and bean root rot Teresa J. Hughes Crop Production and Pest Control Research Unit, Agricultural Research Service, U.S. Department of Agriculture, West Lafayette, Indiana 47907 Kerry O'Donnell Bacterial Foodborne Pathogens and Mycology Research Unit, National Center for Agricultural Utilization Research, Agricultural Research Service, U.S. Department of Agriculture, Peoria, Illinois 61604 Alejandro P. Rooney Crop Bioprotection Research Unit, National Center for Agricultural Utilization Research, Agricultural Research Service, U.S. Department of Agriculture, Peoria, Illinois 61604 Stacy Sink Bacterial Foodborne Pathogens and Mycology Research Unit, National Center for Agricultural Utilization Research, Agricultural Research Service, U.S. Department of Agriculture, Peoria, Illinois 61604 Maria Mercedes Scandiani and Alicia Luque Centro de Referencia de Micologia (CEREMIC), Fac. de Cs. Bioquimicas y Farmaceuticas, UNR, Suipacha 531, 2000, Rosario, Santa Fe, Argentina Madan K. Bhattacharyya Department of Agronomy, Iowa State University, Ames, Iowa 50011 Xiaoqiu Huang In Press at Mycologia, preliminary version published on June 2, 2014 as doi:10.3852/13-318