Convergent evolution of plant prickles by repeated gene co-option over deep time
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Authors
Satterlee, James WAlonso, David
Gramazio, Pietro
Jenike, Katharine M
He, Jia
Arrones, Andrea
Villanueva, Gloria
Plazas, Mariola
Ramakrishnan, Srividya
Benoit, Matthias
Gentile, Iacopo
Hendelman, Anat
Shohat, Hagai
Fitzgerald, Blaine
Robitaille, Gina M
Green, Yumi
Swartwood, Kerry
Passalacqua, Michael J
Gagnon, Edeline
Hilgenhof, Rebecca
Huggins, Trevis D
Eizenga, Georgia C
Gur, Amit
Rutten, Twan
Stein, Nils
Yao, Shengrui
Poncet, Adrien
Bellot, Clement
Frary, Amy
Knapp, S

Bendahmane, Mohammed
Särkinen, Tiina
Gillis, Jesse
Van Eck, Joyce
Schatz, Michael C
Eshed, Yuval
Prohens, Jaime
Vilanova, Santiago
Lippman, Zachary B
Issue date
2024-08-02
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Show full item recordAbstract
An enduring question in evolutionary biology concerns the degree to which episodes of convergent trait evolution depend on the same genetic programs, particularly over long timescales. In this work, we genetically dissected repeated origins and losses of prickles—sharp epidermal projections—that convergently evolved in numerous plant lineages. Mutations in a cytokinin hormone biosynthetic gene caused at least 16 independent losses of prickles in eggplants and wild relatives in the genus <jats:italic>Solanum</jats:italic> . Homologs underlie prickle formation across angiosperms that collectively diverged more than 150 million years ago, including rice and roses. By developing new <jats:italic>Solanum</jats:italic> genetic systems, we leveraged this discovery to eliminate prickles in a wild species and an indigenously foraged berry. Our findings implicate a shared hormone activation genetic program underlying evolutionarily widespread and recurrent instances of plant morphological innovation.Citation
James W. Satterlee et al. ,Convergent evolution of plant prickles by repeated gene co-option over deep time.Science385,eado1663(2024).DOI:10.1126/science.ado1663Journal
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Journal ArticleItem Description
This work is licensed under a Creative Commons Attribution 4.0 International License, which allows reusers to distribute, remix, adapt, and build upon the material in any medium or format, so long as attribution is given to the creator. The license allows for commercial use. The attached file is the Author Manuscript - you are advised to consult the published version if you wish to cite it.NHM Repository
ISSN
0036-8075EISSN
1095-9203ae974a485f413a2113503eed53cd6c53
10.1126/science.ado1663
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