1. School of Biological Sciences; University of Essex; Wivenhoe Park Colchester Essex CO4 3SQ UK
2. Department of Plant Cell Biology and Bioengineering; Biological Faculty; Belarusian State University; 4 Independence Square Minsk 220030 Belarus
3. Department of Chemistry; The MacDiarmid Institute for Advanced Materials and Nanotechnology; University of Canterbury; Christchurch 8041 New Zealand
4. Russian Academy of Sciences; Komarov Botanical Institute; 2 Professora Popova Street 197376 St.-Petersburg Russia