Fusarium oxysporum f. sp. lycopersici races 1, 2, and 3 deteriorate tomato crops since they cause a vascular wilt. Lectins are carbohydrate-binding proteins with hemagglutinating and antifungal activities. This work reports that Microgramma vacciniifolia rhizome lectin (MvRL) inhibits F. oxysporum f. sp. lycopersici race 3 growth (61 %) more intensely than of races 1 (55 %) and 2 (45 %). The hemagglutinating activity of MvRL was inhibited by glycoprotein preparations from mycelia of races 1, 2, and 3, and these data indicate that lectin carbohydrate-binding sites recognized glycosylated molecules from races. Inter-simple sequence repeat (ISSR) marker system showed that race 3 is genetically distinct from races 1 and 2, and thus the highest sensitiveness of F. oxysporum f. sp. lycopersici race 3 to MvRL may be due to molecular characteristics of this race. © 2013 Springer Science+Business Media New York.
CITATION STYLE
De Albuquerque, L. P., De Sá Santana, G. M., Napoleão, T. H., Coelho, L. C. B. B., Da Silva, M. V., & Paiva, P. M. G. (2014). Antifungal activity of microgramma vacciniifolia rhizome lectin on genetically distinct fusarium oxysporum f. sp. lycopersici Races. Applied Biochemistry and Biotechnology, 172(2), 1098–1105. https://doi.org/10.1007/s12010-013-0600-9
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