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Research Article

Self-incompatibility: how plants avoid illegitimate offspring

D P Matton, N Nass, A E Clarke, and E Newbigin
PNAS March 15, 1994 91 (6) 1992-1997; https://doi.org/10.1073/pnas.91.6.1992
D P Matton
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N Nass
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A E Clarke
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E Newbigin
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Abstract

In some families of flowering plants, a single self-incompatibility (S) locus prevents the fertilization of flowers by pollen from the same plant. Self-incompatibility of this type involves the interaction of molecules produced by the S locus in pollen with those present in the female tissues (pistil). Until recently, the pistil products of the S locus were known in only two families, the Brassicaceae (which includes the cabbages and mustards) and Solanaceae (potatoes and tomatoes). A paper in this issue of the Proceedings describes the molecules associated with self-incompatibility in a third family, the Papaveraceae (poppies). We review current research on self-incompatibility in these three families and discuss the implications of the latest findings in poppy on the likely evolution of self-incompatibility in flowering plants. We also compare research into self-incompatibility with recent progress in understanding the mechanisms by which plants overcome infection by certain pathogens.

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Self-incompatibility: how plants avoid illegitimate offspring
D P Matton, N Nass, A E Clarke, E Newbigin
Proceedings of the National Academy of Sciences Mar 1994, 91 (6) 1992-1997; DOI: 10.1073/pnas.91.6.1992

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Self-incompatibility: how plants avoid illegitimate offspring
D P Matton, N Nass, A E Clarke, E Newbigin
Proceedings of the National Academy of Sciences Mar 1994, 91 (6) 1992-1997; DOI: 10.1073/pnas.91.6.1992
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