1. School of Biosciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
2. Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences, Pushchino 142290, Russia
3. Genetics Department, Biology Faculty, Belarus State University, 6 Kurchatova St, Minsk 220064, Belarus
4. Julius Kühn Institute – Federal Research Centre for Cultivated Plants (JKI), Messeweg 11/12, 38104 Braunschweig, Germany