The molecular biology of self-incompatibility systems in flowering plants
2001
Stone, S.L. | Goring, D.R.
Self-incompatibility is a common mechanism by which flowering plants can exert some control over the process of fertilization. Typically, the self-incompatibility response involves the recognition and rejection of self-incompatible pollen which leads to a block in self-fertilization and, as a consequence, promotes outcrossing. In recent years, considerable progress has been made in the molecular understanding of several self-incompatibility systems. Interestingly, a common mechanism for self-incompatibility is not employed by all flowering plants, but in fact quite diverse mechanisms have been recruited for the rejection of self-incompatible pollen. In this review, the recent advances in the self-incompatibility systems of the Solanaceae, Papaveraceae, and Brassicaceae will be described as well as some of the molecular work that is emerging for the Poaceae and the heteromorphic self-incompatibility systems.
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