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The evolutionary history of wild, domesticated, and feral Brassica oleracea (Brassicaceae)
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Mabry, Makenzie E., Turner-Hissong, Sarah D., Gallagher, Evan Y., McAlvay, Alex C., An, Hong, Edger, Patrick P., Moore, Jonathan D., Pink, David A. C., Teakle, Graham R., Stevens, Chris J., Barker, Guy C., Labate, Joanne, Fuller, Dorian Q., Allaby, Robin G., Beissinger, Timothy, Decker, Jared E., Gore, Michael A. and Pires, J. Chris (2021) The evolutionary history of wild, domesticated, and feral Brassica oleracea (Brassicaceae). Molecular Biology and Evolution, 38 (10). pp. 4419-4434. doi:10.1093/molbev/msab183 ISSN 0737-4038.
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Official URL: https://doi.org/10.1093/molbev/msab183
Abstract
Understanding the evolutionary history of crops, including identifying wild relatives, helps to provide insight for conservation and crop breeding efforts. Cultivated Brassica oleracea has intrigued researchers for centuries due to its wide diversity in forms, which include cabbage, broccoli, cauliflower, kale, kohlrabi, and Brussels sprouts. Yet, the evolutionary history of this species remains understudied. With such different vegetables produced from a single species, B. oleracea is a model organism for understanding the power of artificial selection. Persistent challenges in the study of B. oleracea include conflicting hypotheses regarding domestication and the identity of the closest living wild relative. Using newly generated RNA-seq data for a diversity panel of 224 accessions, which represents 14 different B. oleracea crop types and nine potential wild progenitor species, we integrate phylogenetic and population genetic techniques with ecological niche modeling, archaeological, and literary evidence to examine relationships among cultivars and wild relatives to clarify the origin of this horticulturally important species. Our analyses point to the Aegean endemic B. cretica as the closest living relative of cultivated B. oleracea, supporting an origin of cultivation in the Eastern Mediterranean region. Additionally, we identify several feral lineages, suggesting that cultivated plants of this species can revert to a wild-like state with relative ease. By expanding our understanding of the evolutionary history in B. oleracea, these results contribute to a growing body of knowledge on crop domestication that will facilitate continued breeding efforts including adaptation to changing environmental conditions.
Item Type: | Journal Article | |||||||||
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Subjects: | Q Science > QK Botany S Agriculture > SB Plant culture |
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Life Sciences (2010- ) | |||||||||
Library of Congress Subject Headings (LCSH): | Cabbage, Domestication , Plants, Cultivated , Cabbage -- Genetics, Brassica | |||||||||
Journal or Publication Title: | Molecular Biology and Evolution | |||||||||
Publisher: | Oxford University Press | |||||||||
ISSN: | 0737-4038 | |||||||||
Book Title: | The Evolutionary History of Wild, Domesticated, and Feral Brassica oleracea (Brassicaceae) | |||||||||
Official Date: | October 2021 | |||||||||
Dates: |
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Volume: | 38 | |||||||||
Number: | 10 | |||||||||
Page Range: | pp. 4419-4434 | |||||||||
DOI: | 10.1093/molbev/msab183 | |||||||||
Status: | Peer Reviewed | |||||||||
Publication Status: | Published | |||||||||
Re-use Statement: | This is a pre-copyedited, author-produced version of an article accepted for publication in Molecular Biology and Evolution following peer review. The version of record [insert complete citation information here] is available online at: xxxxxxx [insert URL and DOI of the article on the OUP website]. | |||||||||
Access rights to Published version: | Open Access (Creative Commons) | |||||||||
Date of first compliant deposit: | 9 June 2021 | |||||||||
Date of first compliant Open Access: | 31 August 2021 | |||||||||
RIOXX Funder/Project Grant: |
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