Taking one for the team: self-recognition and cell suicide in pollen.

  title={Taking one for the team: self-recognition and cell suicide in pollen.},
  author={Katie A Wilkins and Natalie S Poulter and Vernonica E Franklin-Tong},
  journal={Journal of experimental botany},
  volume={65 5},
Self-incompatibility (SI) is an important genetically controlled mechanism used by many angiosperms to prevent self-fertilization and inbreeding. A multiallelic S-locus allows discrimination between 'self' (incompatible) pollen from 'nonself' pollen at the pistil. Interaction of matching pollen and pistil S-determinants allows 'self' recognition and triggers rejection of incompatible pollen. The S-determinants for Papaver rhoeas (poppy) are PrsS and PrpS. PrsS is a small secreted protein that… CONTINUE READING
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