S-RNase-mediated gametophytic self-incompatibility is ancestral in eudicots.

  title={S-RNase-mediated gametophytic self-incompatibility is ancestral in eudicots.},
  author={Jennifer E. Steinbachs and Kent E. Holsinger},
  journal={Molecular biology and evolution},
  volume={19 6},
The evolutionary relationship between self-incompatibility systems in different families of flowering plants has long been a topic of interest. Physiological differences in the mode of gene action and the enormous sequence differences between genes with different modes of action suggest that many instances of self-incompatibility have arisen independently. In contrast, previous analyses of the S-RNase associated with gametophytic self-incompatibility in the eudicot families (Solanaceae… CONTINUE READING

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