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Global urban environmental change drives adaptation in white clover
Univ Toronto Mississauga, Dept Biol, Mississauga, ON, Canada.;Univ Toronto Mississauga, Ctr Urban Environm, Mississauga, ON, Canada..ORCID iD: 0000-0002-5921-2548
Univ Toronto Mississauga, Dept Biol, Mississauga, ON, Canada.;Univ Toronto Mississauga, Ctr Urban Environm, Mississauga, ON, Canada..
Univ Toronto Mississauga, Dept Biol, Mississauga, ON, Canada..
Univ N Carolina, Dept Biol, Chapel Hill, NC USA..
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2022 (English)In: Science, ISSN 0036-8075, E-ISSN 1095-9203, Vol. 375Article in journal (Refereed) Published
Abstract [en]

Urbanization transforms environments in ways that alter biological evolution. We examined whether urban environmental change drives parallel evolution by sampling 110,019 white clover plants from 6169 populations in 160 cities globally. Plants were assayed for a Mendelian antiherbivore defense that also affects tolerance to abiotic stressors. Urban-rural gradients were associated with the evolution of clines in defense in 47% of cities throughout the world. Variation in the strength of clines was explained by environmental changes in drought stress and vegetation cover that varied among cities. Sequencing 2074 genomes from 26 cities revealed that the evolution of urban-rural dines was best explained by adaptive evolution, but the degree of parallel adaptation varied among cities. Our results demonstrate that urbanization leads to adaptation at a global scale.

Place, publisher, year, edition, pages
AMER ASSOC ADVANCEMENT SCIENCE American Association for the Advancement of Science (AAAS), 2022. Vol. 375
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Environmental Sciences
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URN: urn:nbn:se:uu:diva-472894DOI: 10.1126/science.abk0989ISI: 000770386600037PubMedID: 35298255OAI: oai:DiVA.org:uu-472894DiVA, id: diva2:1652784
Available from: 2022-04-20 Created: 2022-04-20 Last updated: 2024-01-15Bibliographically approved

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Granath, Gustaf

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Santangelo, James S.Aguirre, Windsor E.Branquinho, CristinaBrom, Peta D.Classen, Aimee T.Deacon, Nicholas J.Fulkerson, Justin R.Garroway, Colin J.Granath, GustafGreiner, StephanMoore, Christopher M.Porth, Ilga M.Raeymaekers, Joost A. M.Rowntree, Jennifer K.Santiago-Rosario, Luis Y.Scholier, TiffanyStephan, Jorg G.Tamburrino, ItaloTong, XinUroy, LeaUtsumi, ShunsukeVidal, Paula M.Zhao, Zhigang
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