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Reduced virulence of Gibberella zeae caused by disruption of a trichothecene toxin biosynthetic gene.
TLDR
Results suggest that trichothecene production contributes to the virulence of G. zeae on some hosts, and trichotcene-deficient mutants of the fungus are generated by gene disruption.
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Trichothecenes: From Simple to Complex Mycotoxins
TLDR
This review covers the types of trichothecenes, their complexity, and proposed biosynthetic pathways of trishotoxins, which are known to cause serious human and animal toxicoses.
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Global gene regulation by Fusarium transcription factors Tri6 and Tri10 reveals adaptations for toxin biosynthesis
Trichothecenes are isoprenoid mycotoxins produced in wheat infected with the filamentous fungus Fusarium graminearum. Some fungal genes for trichothecene biosynthesis (Tri genes) are known to be…
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Trichothecene biosynthesis in Fusarium species: chemistry, genetics, and significance.
TLDR
It is indicated that production of trichothecenes can enhance the severity of disease caused by Fusarium species on some plant hosts, and genetic evidence that several trICHothecene biosynthetic genes are organized in a gene cluster is discussed.
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Genes, gene clusters, and biosynthesis of trichothecenes and fumonisins in Fusarium
TLDR
Research on the genetics and biochemistry of trichothecene and fumonisin biosynthesis has provided important insights into the genetic and biochemical pathways in Fusarium that lead to formation of these mycotoxins.
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Tri6 encodes an unusual zinc finger protein involved in regulation of trichothecene biosynthesis in Fusarium sporotrichioides
TLDR
Results indicate that Tri6 encodes a protein involved in the transcriptional regulation of trichothecene biosynthetic genes in F. sporotrichioides.
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Phylogenetic analyses of RPB1 and RPB2 support a middle Cretaceous origin for a clade comprising all agriculturally and medically important fusaria.
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TRI12, a trichothecene efflux pump from Fusarium sporotrichioides: gene isolation and expression in yeast
TLDR
The involvement of TRI12 in the trichothecene efflux associated with toxin biosynthesis is confirmed, and the usefulness of yeast as a host system for studies of MFS-type transporters is demonstrated.
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Reduced virulence of trichothecene-nonproducing mutants of Gibberella zeae in wheat field tests
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Evidence that a secondary metabolic biosynthetic gene cluster has grown by gene relocation during evolution of the filamentous fungus Fusarium
TLDR
Comparisons of additional Fusarium species have provided evidence that TRI loci have a complex evolutionary history that has included loss, non‐functionalization and rearrangement of genes as well as trans‐species polymorphism, and indicates that the TRI cluster has expanded in some species by relocation of two genes into it from the smaller loci.
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