Publikation: A shift towards the annual habit in selfing Arabidopsis lyrata
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An annual life history is often associated with the ability to self-fertilize. However, it is unknown whether the evolution of selfing commonly precedes the evolution of annuality, or vice versa. Using a 2-year common garden experiment, we asked if the evolution of selfing in the normally perennial Arabidopsis lyrata was accompanied by a shift towards the annual habit. Despite their very recent divergence from obligately outcrossing populations, selfing plants exhibited a 39% decrease in over-winter survival after the first year compared with outcrossing plants. Our data ruled out the most obvious underlying mechanism: differences in reproductive investment in the first year did not explain differences in survival. We conclude that transitions to selfing in perennial A. lyrata may be accompanied by a shift towards annuality, but drivers of the process require further investigation.
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GORMAN, Courtney, Christina STEINECKE, Mark VAN KLEUNEN, Marcel E. DORKEN, Marc STIFT, 2020. A shift towards the annual habit in selfing Arabidopsis lyrata. In: Biology Letters. Royal Society of London. 2020, 16(9), 20200402. ISSN 1744-9561. eISSN 1744-957X. Available under: doi: 10.1098/rsbl.2020.0402BibTex
@article{Gorman2020-09shift-51220, year={2020}, doi={10.1098/rsbl.2020.0402}, title={A shift towards the annual habit in selfing Arabidopsis lyrata}, number={9}, volume={16}, issn={1744-9561}, journal={Biology Letters}, author={Gorman, Courtney and Steinecke, Christina and van Kleunen, Mark and Dorken, Marcel E. and Stift, Marc}, note={Article Number: 20200402} }
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