Experimental evolution gone wild.

Scheinin, Matias, Riebesell, Ulf , Rynearson, T. A., Lohbeck, Kai T. and Collins, S. (2015) Experimental evolution gone wild. Open Access Interface: Journal of the Royal Society, 12 (106). p. 20150056. DOI 10.1098/rsif.2015.0056.

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Because of their large population sizes and rapid cell division rates, marine microbes have, or can generate, ample variation to fuel evolution over a few weeks or months, and subsequently have the potential to evolve in response to global change. Here we measure evolution in the marine diatom Skeletonema marinoi evolved in a natural plankton community in CO2-enriched mesocosms deployed in situ. Mesocosm enclosures are typically used to study how the species composition and biogeochemistry of marine communities respond to environmental shifts, but have not been used for experimental evolution to date. Using this approach, we detect a large evolutionary response to CO2 enrichment in a focal marine diatom, where population growth rate increased by 1.3-fold in high CO2-evolved lineages. This study opens an exciting new possibility of carrying out in situ evolution experiments to understand how marine microbial communities evolve in response to environmental change.

Document Type: Article
Additional Information: WOS:000353359900019
Keywords: Skeletonema, diatom evolution, in situ mesocosms, carbon dioxide, ocean acidification, experimental evolution
Research affiliation: OceanRep > GEOMAR > FB3 Marine Ecology > FB3-EV Marine Evolutionary Ecology
OceanRep > GEOMAR > FB2 Marine Biogeochemistry > FB2-BI Biological Oceanography
Refereed: Yes
Open Access Journal?: No
Publisher: The Royal Society
Projects: BIOACID
Date Deposited: 18 May 2015 09:19
Last Modified: 28 Sep 2017 13:07
URI: https://oceanrep.geomar.de/id/eprint/28774

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