Title |
Antifungal Activity of Microgramma vacciniifolia Rhizome Lectin on Genetically Distinct Fusarium oxysporum f. sp. lycopersici Races
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Published in |
Applied Biochemistry and Biotechnology, October 2013
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DOI | 10.1007/s12010-013-0600-9 |
Pubmed ID | |
Authors |
Lidiane Pereira de Albuquerque, Giselly Maria de Sá Santana, Thiago Henrique Napoleão, Luana Cassandra Breitenbach Barroso Coelho, Márcia Vanusa da Silva, Patrícia Maria Guedes Paiva |
Abstract |
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. |
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Unknown | 1 | 50% |
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