Adaptation to fluctuations in temperature by nine species of bacteria
Saarinen, K., Laakso, J., Lindström, L., & Ketola, T. (2018). Adaptation to fluctuations in temperature by nine species of bacteria. Ecology and Evolution, 8(5), 2901-2910. https://doi.org/10.1002/ece3.3823
Published inEcology and Evolution
© 2018 The Authors. Ecology and Evolution published by John Wiley & Sons Ltd. This is an open access article distributed under the terms of the Creative Commons License.
Rapid environmental fluctuations are ubiquitous in the wild, yet majority of experimental studies mostly consider effects of slow fluctuations on organism. To test the evolutionary consequences of fast fluctuations, we conducted nine independent experimental evolution experiments with bacteria. Experimental conditions were same for all species, and we allowed them to evolve either in fluctuating temperature alternating rapidly between 20°C and 40°C or at constant 30°C temperature. After experimental evolution, we tested the performance of the clones in both rapid fluctuation and in constant environments (20°C, 30°C and 40°C). Results from experiments on these nine species were combined meta-analytically. We found that overall the clones evolved in the fluctuating environment had evolved better efficiency in tolerating fluctuations (i.e., they had higher yield in fluctuating conditions) than the clones evolved in the constant environment. However, we did not find any evidence that fluctuation-adapted clones would have evolved better tolerance to any measured constant environments (20°C, 30°C, and 40°C). Our results back up recent empirical findings reporting that it is hard to predict adaptations to fast fluctuations using tolerance curves. © 2018 The Authors. Ecology and Evolution published by John Wiley & Sons Ltd. ...
PublisherBlackwell Publishing Ltd
Publication in research information system
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Related funder(s)Academy of Finland
Funding program(s)Research post as Academy Research Fellow, AoF
Additional information about fundingWe thank the Biological Interactions Doctoral Programme and the University of Jyväskylä Doctoral Programme in Biological and Environmental Science (KS), Academy of Finland Projects 278751 (TK), 1255572 (JL), 250248 (LL), and Centre of Excellence in Biological Interactions for funding and facilities.
Except where otherwise noted, this item's license is described as © 2018 The Authors. Ecology and Evolution published by John Wiley & Sons Ltd. This is an open access article distributed under the terms of the Creative Commons License.
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