Correlation of deoxynivalenol and zearalenone production by Fusarium species originating from wheat and maize grain
Korelacija sinteze deoksinivalenola i zearalenola od strane Fusarium izolata poreklom sa zrna pšenice i kukuruza
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Author
Tancic, Sonja
Stankovic, Slavica
Levic, Jelena
Krnjaja, Vesna
Keywords
MycotoxinsFusarium
Wheat
Maize
Mikotoksini
Pšenica
Kukuruz
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Show full item recordAbstract
A total of 39 Fusarium graminearum, F. sporotrichioides, F. semitectum and F. equiseti
isolates, originating from wheat and maize samples collected at 10 locations in Serbia, were
analyzed by ELISA method for their potential of deoxynivalenol (DON) and zearalenone
(ZEA) production under optimal laboratory conditions. Fusarium graminearum isolates with
the highest intraspecies variability were the best producers of both deoxynivalenol and
zearalenone. In contrast, F. equiseti isolates were the weakest producers of these two toxins.
Considering the plant origin of the isolates, wheat-originating F. sporotrichioides isolates
were better deoxynivalenol producers, while the maize-originating isolates produced more
zearalenone. There was no clear difference in ZEA production between wheat- and maizeoriginating
isolates of F. graminearum, while higher average DON concentrations were
produced by F. graminearum wheat-originating isolates.
Negative correlation was detected between the production of deoxynivalenol and
zearalenone by various Fusarium spp. Potencijal za stvaranje deoksinivalenola (DON) i zearalenona (ZEA) ukupno 39 izolata vrsta
Fusarium graminearum, F. sporotrichioides, F. semitectum i F. Equiseti, poreklom iz zrna pšenice i
kukuruza sa 10 različitih lokaliteta u Srbiji, analiziran je u optimalnim laboratorijskim uslovima
ELISA testom. Izolati vrste F. graminearum su imali najvišu intraspecijsku varijabilnost i ujedno su
bili najveći proizvođači i deoksinivalenola i zearalenona. Nasuprot njima, izolati F. equiseti su bili
najslabiji proizvođači ova dva mikotoksina. S obzirom na poreklo izolata, F. sporotrichioides izolati
poreklom sa pšenice su bili bolji proizvođači deoksinivalenola, dok su izolati ove vrste poreklom
sa kukuruza stvarali više koncentracije zearalenona. Među F. graminearum izolatima nije bilo jasne
razlike u sintetisanim koncentracijama ZEA zavisno od porekla izolata, dok je pri sintezi DON-a
uočena viša prosečna koncentracija sintetisana od strane F. graminearum izolata poreklom sa pšenice.
Negativna korelacija je registrovana između sinteze deoksinivalenola i zearalenona od
strane Fusarium spp.