A decarboxylase encoded at the Cochliobolus heterostrophus translocation-associated Tox1B locus is required for polyketide (T-toxin) biosynthesis and high virulence on T-cytoplasm maize.

@article{Rose2002ADE,
  title={A decarboxylase encoded at the Cochliobolus heterostrophus translocation-associated Tox1B locus is required for polyketide (T-toxin) biosynthesis and high virulence on T-cytoplasm maize.},
  author={Mark S. Rose and Sung-Hwan Yun and Thipa Asvarak and S C Lu and Olen C. Yoder and B Gillian Turgeon},
  journal={Molecular plant-microbe interactions : MPMI},
  year={2002},
  volume={15 9},
  pages={883-93}
}
Genes at two unlinked loci (Tox1A and Tox1B) are required for production of the polyketide T-toxin by Cochliobolus heterostrophus race T, a pathogenic fungus that requires T-toxin for high virulence to maize with T-cytoplasm. Previous work indicated that Tox1A encodes a polyketide synthase (PKS1) required for T-toxin biosynthesis and for high virulence. To identify genes at Tox1B, a wild-type race T cDNA library was screened for genes missing in the genome of a Tox1B deletion mutant. The… CONTINUE READING

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