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Detection of fumonisin producing Fusarium verticillioides in paddy (Oryza sativa L. ) using polymerase chain reaction (PCR) / Detecção de Fusarium verticillioides produtor de fumonisina em arroz empregando reação de polimerase em cadeia
Maheshwar, P. K; Moharram, S. Ahmed; Janardhana, G. R.
  • Maheshwar, P. K; University of Mysore. Yuvaraja's College. Department of Microbiology. Karnataka. IN
  • Moharram, S. Ahmed; University of Mysore. Department of Studies in Botany. Karnataka. IN
  • Janardhana, G. R; University of Mysore. Department of Studies in Botany. Karnataka. IN
Braz. j. microbiol ; 40(1): 134-138, Jan.-Mar. 2009. ilus, tab
Article in English | LILACS | ID: lil-513130
ABSTRACT
The study reports the occurrence of fumonisin producing Fusarium verticillioides in 90 samples of stored paddy (Oryza sativa L.)collected from different geographical regions ofKarnataka, India. Fumonisin producing F. verticillioides was identified based on micromorphological characteristics and PCR using two sets of primers. One set of primers was F. verticillioides species specific, which selectively amplified the intergenic space region of rDNA. The other set of primers was specific to fumonisin producing F. verticillioides. Eight paddy samples were positive for F. verticillioides. Eleven isolates obtained from these samples were capable of producing fumonisin.
RESUMO
O estudo relata a ocorrência de Fusarium verticillioides produtor de fumonisina em 90 amostras de arroz armazenado, coletado de diferentes regiões geográficas de Karnataka, Índia. F. verticillioides produtor de fumonisina foi identificado baseado em características micromorfológicas e PCR empregando dois sets de primers. Um dos sets era F. verticillioides especie-específico, que amplificava seletivamente a região do espaço intergênico do rDNA. O outro set de primers era especifico para F. verticillioides produtor de fumonisina. Oito amostras de arroz foram positivas para F. verticillioides. Onze isolados obtidos dessas amostras foram produtores de fumonisina.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Oryza / In Vitro Techniques / Polymerase Chain Reaction / Fumonisins / Fusarium / Mycotoxins Type of study: Diagnostic study / Prognostic study Language: English Journal: Braz. j. microbiol Journal subject: Microbiology Year: 2009 Type: Article Affiliation country: India Institution/Affiliation country: University of Mysore/IN

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Full text: Available Index: LILACS (Americas) Main subject: Oryza / In Vitro Techniques / Polymerase Chain Reaction / Fumonisins / Fusarium / Mycotoxins Type of study: Diagnostic study / Prognostic study Language: English Journal: Braz. j. microbiol Journal subject: Microbiology Year: 2009 Type: Article Affiliation country: India Institution/Affiliation country: University of Mysore/IN