Recent advances in the biosynthetic mechanisms, regulation, and detoxification strategies of deoxynivalenol in Fusarium graminearum
Mingfang He, Yaping Lei, Haiyuan Yan, Chao Sun, Xiaolong Gu
TL;DR
This review summarizes recent research on how the fungus Fusarium graminearum produces and regulates the toxic compound deoxynivalenol, and explores methods to reduce its harmful effects on food and feed.
Contribution
The paper integrates recent findings on biosynthesis, regulation, and detoxification of deoxynivalenol to guide future control strategies.
Findings
The TRI gene cluster and its enzymes are central to deoxynivalenol biosynthesis.
Transcriptional regulators and signaling pathways play key roles in controlling toxin production.
Detoxification methods include physical, chemical, and biological approaches to reduce contamination.
Abstract
Fusarium graminearum, the major causal agent of Fusarium head blight (FHB), produces the trichothecene mycotoxin deoxynivalenol (DON), which threatens food and feed safety worldwide. This review synthesizes recent advances in DON biosynthesis, emphasizing the TRI gene cluster and its pathway enzymes, transcriptional regulators, and signaling cascades. In parallel, it provides a comprehensive analysis of the molecular mechanisms involved in regulating DON biosynthesis, with a focus on the TRI cluster. In additionally, current progress in detoxification strategies is summarized, covering physical, chemical, and biological methods aimed at mitigating DON contamination in food and feed. This review further explores the endogenous environmental factors influencing DON synthesis and offering insights to the development of integrated control strategies against DON contamination. By integrating…
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Taxonomy
TopicsMycotoxins in Agriculture and Food · Carcinogens and Genotoxicity Assessment · Plant Pathogens and Fungal Diseases