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Fusarium verticillioides strains isolated from corn feed: characterization by fumonisin production and RAPD fingerprinting BABT
Ono,Elisabete Yurie Sataque; Fungaro,Maria Helena Pelegrinelli; Sofia,Silvia Helena; Miguel,Tatiana de Ávila; Sugiura,Yoshitsugu; Hirooka,Elisa Yoko.
In this study a total of 16 Fusarium verticillioides strains isolated from corn feed samples were characterized by fumonisin (FB) production and random amplified polymorphic DNA (RAPD). All the strains produced FB1 and FB2 with levels ranging from 2.41 to 3996.36 µg/g, and from 1.18 to 1209.91 µg/g, respectively. From the 16 F. verticillioides strains, four were identified as low (3.59 to 1289.84 µg/g), eight as intermediate (>1289.84 to 3772.44 µg/g) and four strains as high (>3772.44 µg/g) fumonisin producers. From the total of 105 loci amplified, 60 (57.14%) were polymorphic. RAPD analysis showed very similar patterns among low, moderate and high fumonisin-producing strains. Although RAPD markers were capable of discriminating the different F....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Fumonisin; Fusarium verticillioides; Genetic variability; RAPD.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132010000400026
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