Environmental Factors and Interactions with Mycobiota of Grain and Grapes: Effects on Growth, Deoxynivalenol and Ochratoxin Production by Fusarium culmorum and Aspergillus carbonarius
2010

Environmental Factors and Mycobiota Interactions in Grain and Grapes

publication Evidence: moderate

Author Information

Author(s): Naresh Magan, David Aldred, Hope Russell, Mitchell David

Primary Institution: Cranfield University

Hypothesis

How do environmental factors affect the interactions between mycotoxigenic fungi and their production of mycotoxins?

Conclusion

The study found that environmental conditions significantly influence the competitiveness of mycotoxigenic fungi and their mycotoxin production.

Supporting Evidence

  • F. culmorum was often not able to achieve dominance over F. graminearum under various environmental conditions.
  • At 30 °C, A. carbonarius generally dominated other fungi, except for E. nigrum.
  • Interactions between fungi can lead to both stimulation and inhibition of mycotoxin production.

Takeaway

Fungi that produce toxins can be affected by their environment and by other fungi around them, which can help or hurt their growth and toxin production.

Methodology

The study evaluated the interactions of F. culmorum and A. carbonarius with other fungi in grain and grape matrices under varying water activity and temperature conditions.

Limitations

The study primarily focused on specific environmental conditions and may not encompass all possible interactions in different settings.

Digital Object Identifier (DOI)

10.3390/toxins2030353

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