1. Department of Virology and Bacteriology; Institute of Plant Protection-National Research Institute; ul. Władysława Węgorka 20 60-318 Poznań Poland
2. Scientia Terrae Research Institute; Fortsesteenweg 30a 2860 Sint-Katelijne-Waver Belgium
3. Laboratory of Structural Bioinformatics; Institute of Molecular Biology and Biotechnology; Adam Mickiewicz University; ul. Umultowska 89 61-614 Poznań Poland
4. Laboratory of Phytopathology; Wageningen University; Droevendaalsesteeg 1 6708 PB Wageningen the Netherlands