The Ustilago maydis virally encoded KP1 killer toxin.

@article{Park1996TheUM,
  title={The Ustilago maydis virally encoded KP1 killer toxin.},
  author={Chul Min Park and Nanditta Banerjee and Yigal Koltin and J. A. Bruenn},
  journal={Molecular microbiology},
  year={1996},
  volume={20 5},
  pages={957-63}
}
Some strains of the plant-pathogenic fungus Ustilago maydis secrete toxins (killer toxins) that are lethal to susceptible strains of the same fungus. There are three well-characterized killer toxins in U. maydis-KP1, KP4, and KP6-which are secreted by the P1, P4, and P6 subtypes, respectively. These killer toxins are small polypeptides encoded by segments of an endogenous, persistent double-stranded RNA (dsRNA) virus in each U. maydis subtype. In P4 and P6, the M2 dsRNA segment encodes the… CONTINUE READING

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