1 Department of Biochemistry, Genetics and Microbiology, Centre for Microbial Ecology and Genomics/Forestry and Agricultural Biotechnology Institute, University of Pretoria, Pretoria, South Africa.
2 Institut Agro, INRAE, IRHS, SFR QUASAV, University of Angers, Angers, France.
3 Department of Plant Pathology, University of Florida, Gainesville, FL, United States.