The effects of different potato dextrose agar media on secondary metabolite production in Fusarium

Potatoes contain several nutrients essential for fungal growth, making them an excellent component of media such as the popular Potato Dextrose Agar (PDA) medium. Commercially, PDA is available from multiple retailers offering virtually the same product. These media, however, could contain small dif...

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Veröffentlicht in:International journal of food microbiology 2021-06, Vol.347, p.109171-109171, Article 109171
Hauptverfasser: Westphal, Klaus Ringsborg, Heidelbach, Søren, Zeuner, Emil Juel, Riisgaard-Jensen, Marie, Nielsen, Morten Eneberg, Vestergaard, Sofie Zacho, Bekker, Nicolai Sundgaard, Skovmark, Jesper, Olesen, Christian Kjær, Thomsen, Katrine Hartmann, Niebling, Sara Kramer, Sørensen, Jens Laurids, Sondergaard, Teis Esben
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Sprache:eng
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Zusammenfassung:Potatoes contain several nutrients essential for fungal growth, making them an excellent component of media such as the popular Potato Dextrose Agar (PDA) medium. Commercially, PDA is available from multiple retailers offering virtually the same product. These media, however, could contain small differences in composition of nutrients affecting the expression of secondary metabolites. This study aims to investigate the use of four PDA media from different manufacturers (Fluka, Oxoid, Sigma, and VWR) and their effect on the metabolite profile of four species of Fusarium (F. fujikuroi, F. graminearum, F. pseudograminearum and F. avenaceum). Secondary metabolites were analysed using HPLC-HRMS, from which statistically significant differences in intensities were observed for 9 out of 10 metabolites. •The choice of PDA manufacturer has an effect on the metabolite profile of several Fusarium species.•Custom made PDA is equally suited for metabolite experiments compared to commercially available PDA.•PDA induces secondary metabolite production in Fusaria.
ISSN:0168-1605
1879-3460
DOI:10.1016/j.ijfoodmicro.2021.109171