Proteome evolution under non-substitutable resource limitation

Manu Tamminen, Alexander Betz, Aaron Louis Pereira, Marco Thali, Blake Matthews, Marc J.-F. Suter and Anita Narwani ()
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Manu Tamminen: University of Turku, Natura, Yliopistonmäki
Alexander Betz: Eawag, Überlandstrasse 133
Aaron Louis Pereira: Eawag, Überlandstrasse 133
Marco Thali: Eawag, Überlandstrasse 133
Blake Matthews: Eawag, 79 Seestrasse
Marc J.-F. Suter: Eawag, Überlandstrasse 133
Anita Narwani: Eawag, Überlandstrasse 133

Nature Communications, 2018, vol. 9, issue 1, 1-10

Abstract: Abstract Resource limitation is a major driver of the ecological and evolutionary dynamics of organisms. Short-term responses to resource limitation include plastic changes in molecular phenotypes including protein expression. Yet little is known about the evolution of the molecular phenotype under longer-term resource limitation. Here, we combine experimental evolution of the green alga Chlamydomonas reinhardtii under multiple different non-substitutable resource limitation regimes with proteomic measurements to investigate evolutionary adaptation of the molecular phenotype. We demonstrate convergent proteomic evolution of core metabolic functions, including the Calvin-Benson cycle and gluconeogenesis, across different resource limitation environments. We do not observe proteomic changes consistent with optimized uptake of particular limiting resources. Instead, we report that adaptation proceeds in similar directions under different types of non-substitutable resource limitation. This largely convergent evolution of the expression of core metabolic proteins is associated with an improvement in the resource assimilation efficiency of nitrogen and phosphorus into biomass.

Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-07106-z

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DOI: 10.1038/s41467-018-07106-z

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