Darwinian selection on a selfing locus

Kentaro K. Shimizu, Jennifer H. Cork, Ana L. Caicedo, Charlotte A. Mays, Richard C. Moore, Kenneth M. Olsen, Stephanie Ruzsa, Graham Coop, Carlos D. Bustamante, Philip Awadalla, Michael D. Purugganan

Research output: Contribution to journalArticle

Abstract

The shift to self-pollination is one of the most prevalent evolutionary transitions in flowering plants. In the selfing plant Arabidopsis thaliana, pseudogenes at the SCR and SRK self-incompatibility loci are believed to underlie the evolution of self-fertilization. Positive directional selection has driven the evolutionary fixation of pseudogene alleles of SCR, leading to substantially reduced nucleotide variation. Coalescent simulations indicate that this adaptive event may have occurred very recently and is possibly associated with the post-Pleistocene expansion of A. thaliana from glacial refugia. This suggests that ancillary morphological innovations associated with self-pollination can evolve rapidly after the inactivation of the self-incompatibility response.

Original languageEnglish (US)
Pages (from-to)2081-2084
Number of pages4
JournalScience
Volume306
Issue number5704
DOIs
StatePublished - Dec 17 2004

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Pollination
Pseudogenes
Arabidopsis
Self-Fertilization
Nucleotides
Alleles
Refugium

ASJC Scopus subject areas

  • General

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Shimizu, K. K., Cork, J. H., Caicedo, A. L., Mays, C. A., Moore, R. C., Olsen, K. M., ... Purugganan, M. D. (2004). Darwinian selection on a selfing locus. Science, 306(5704), 2081-2084. https://doi.org/10.1126/science.1103776

Darwinian selection on a selfing locus. / Shimizu, Kentaro K.; Cork, Jennifer H.; Caicedo, Ana L.; Mays, Charlotte A.; Moore, Richard C.; Olsen, Kenneth M.; Ruzsa, Stephanie; Coop, Graham; Bustamante, Carlos D.; Awadalla, Philip; Purugganan, Michael D.

In: Science, Vol. 306, No. 5704, 17.12.2004, p. 2081-2084.

Research output: Contribution to journalArticle

Shimizu, KK, Cork, JH, Caicedo, AL, Mays, CA, Moore, RC, Olsen, KM, Ruzsa, S, Coop, G, Bustamante, CD, Awadalla, P & Purugganan, MD 2004, 'Darwinian selection on a selfing locus', Science, vol. 306, no. 5704, pp. 2081-2084. https://doi.org/10.1126/science.1103776
Shimizu KK, Cork JH, Caicedo AL, Mays CA, Moore RC, Olsen KM et al. Darwinian selection on a selfing locus. Science. 2004 Dec 17;306(5704):2081-2084. https://doi.org/10.1126/science.1103776
Shimizu, Kentaro K. ; Cork, Jennifer H. ; Caicedo, Ana L. ; Mays, Charlotte A. ; Moore, Richard C. ; Olsen, Kenneth M. ; Ruzsa, Stephanie ; Coop, Graham ; Bustamante, Carlos D. ; Awadalla, Philip ; Purugganan, Michael D. / Darwinian selection on a selfing locus. In: Science. 2004 ; Vol. 306, No. 5704. pp. 2081-2084.
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