Gene duplication and genetic exchange drive the evolution of S-RNase-based self-incompatibility in Petunia.

@article{Kubo2015GeneDA,
  title={Gene duplication and genetic exchange drive the evolution of S-RNase-based self-incompatibility in Petunia.},
  author={Ken-ichi Kubo and Timothy D. Paape and Masaomi Hatakeyama and Tetsuyuki Entani and Akie Takara and Kie Kajihara and Mai Tsukahara and Rie Shimizu-Inatsugi and Kentaro K Shimizu and Seiji Takayama},
  journal={Nature plants},
  year={2015},
  volume={1},
  pages={
          14005
        }
}
Self-incompatibility (SI) systems in flowering plants distinguish self- and non-self pollen to prevent inbreeding. While other SI systems rely on the self-recognition between specific male- and female-determinants, the Solanaceae family has a non-self recognition system resulting in the detoxification of female-determinants of S-ribonucleases (S-RNases), expressed in pistils, by multiple male-determinants of S-locus F-box proteins (SLFs), expressed in pollen. It is not known how many SLF… CONTINUE READING
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