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Disentangling the effects of breakdown of self-incompatibility and transition to selfing in North American Arabidopsis lyrata.

Molecular ecology - 1 Mar 2012

Haudry Annabelle, Zha Hong Guang, Stift Marc, Mable Barbara K

Abstract excerpt

A breakdown of self-incompatibility (SI) followed by a shift to selfing is commonly observed in the evolution of flowering plants. Both are expected to reduce the levels of heterozygosity and genetic diversity. However, breakdown of SI should most strongly affect the region of the SI locus (S-locus) because of the relaxation of balancing selection that operates on a functional S-locus, and a potential selective...

Topics

Arabidopsis
Genes, Plant
Genetic Variation
Genetics, Population
Heterozygote
North America
Selection, Genetic
Self-Fertilization
Self-Incompatibility in Flowering Plants

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PMID: 22276850
DOI: 10.1111/j.1365-294X.2011.05435.x

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