Impact of cycling temperatures on Fusarium verticillioides and Fusarium graminearum growth and mycotoxins production in soybean

Journal of the Science of Food and Agriculture
Daiana GarciaS Marín

Abstract

Fusarium graminearum and F. verticillioides are two very important mycotoxigenic species as they cause diverse diseases in crops. The effects of constant and cycling temperatures on growth and mycotoxin production of these species were studied on soybean based medium and on irradiated soya beans. F. graminearum grew better when was incubated at 15, 20 and 15-20 °C (isothermal or cycling temperature) during 21 days of incubation. Maximum levels of zearalenone and deoxynivalenol (39.25 and 1040.4 µg g(-1), respectively) were detected on soya beans after 15 days of incubation and the optimal temperature for mycotoxin production was 15 °C for zearalenone and 20 °C for deoxynivalenol. F. verticillioides grew better at 25 °C in culture medium and at 15/20 °C and 15/25 °C on soybean seeds. Fumonisin B(1) was produced only in culture medium, and the maximum level (7.38 µg g(-1)) was found at 15 °C after 7 days of incubation. When growth and mycotoxin production under cycling temperatures were predicted from the results under constant conditions, observed values were different from calculated for both species and substrate medium. Therefore, care should be taken if data at constant temperature conditions are to be extrapolated to real f...Continue Reading

References

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Oct 20, 2009·Food Microbiology·Daiana GarciaSonia Marín
Mar 17, 2010·International Journal of Food Microbiology·Yang HuangAilsa D Hocking

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Citations

Feb 19, 2015·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Bhupendra AcharyaAnne E Dorrance
Mar 8, 2018·Journal of Animal Physiology and Animal Nutrition·Y-H YuY-H Cheng
Jul 28, 2019·Mycotoxin Research·Constanze Pietsch
Jul 14, 2021·Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment·Diego Jorquera-PereiraGisela Ríos-Gajardo

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