Identification of the pollen self-incompatibility determinant in Papaver rhoeas

Michael J. Wheeler, Barend H. J. de Graaf, Natalie Hadjiosif, Ruth M. Perry, Natalie S. Poulter, Kim Osman, Sabina Vatovec, Andrea Harper, F. Christopher H. Franklin and Vernonica E. Franklin-Tong ()
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Michael J. Wheeler: School of Biosciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
Barend H. J. de Graaf: School of Biosciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
Natalie Hadjiosif: School of Biosciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
Ruth M. Perry: School of Biosciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
Natalie S. Poulter: School of Biosciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
Kim Osman: School of Biosciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
Sabina Vatovec: School of Biosciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
Andrea Harper: School of Biosciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
F. Christopher H. Franklin: School of Biosciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
Vernonica E. Franklin-Tong: School of Biosciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK

Nature, 2009, vol. 459, issue 7249, 992-995

Abstract: Poppies' self awareness Self-incompatibility is an important mechanism in many plant species, used to prevent inbreeding by ensuring rejection of 'self' pollen. It is controlled by a multi-allelic S locus, comprising pollen (male) and pistil (female) S determinants. Wheeler et al. have cloned three alleles of a highly polymorphic pollen-expressed gene, PrpS, from the common poppy Papaver rhoeas, which has no homologues in existing databases. PrpS is a transmembrane protein that appears to function as the pollen S-locus determinant. This adds to our knowledge of the evolution of cell–cell recognition systems.

Date: 2009
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DOI: 10.1038/nature08027

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