Trait and plasticity evolution under competition and mutualism in evolving pairwise yeast communities.

Although we have a good understanding of how phenotypic plasticity evolves in response to abiotic environments, we know comparatively less about responses to biotic interactions. We experimentally tested how competition and mutualism affected trait and plasticity evolution of pairwise communities of...

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Main Authors: ShengPei Wang, Renuka Agarwal, Kari A Segraves, David M Althoff
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2025-01-01
Series:PLoS ONE
Online Access:https://doi.org/10.1371/journal.pone.0311674
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author ShengPei Wang
Renuka Agarwal
Kari A Segraves
David M Althoff
author_facet ShengPei Wang
Renuka Agarwal
Kari A Segraves
David M Althoff
author_sort ShengPei Wang
collection DOAJ
description Although we have a good understanding of how phenotypic plasticity evolves in response to abiotic environments, we know comparatively less about responses to biotic interactions. We experimentally tested how competition and mutualism affected trait and plasticity evolution of pairwise communities of genetically modified brewer's yeast. We quantified evolutionary changes in growth rate, resource use efficiency (RUE), and their plasticity in strains evolving alone, with a competitor, and with a mutualist. Compared to their ancestors, strains evolving alone had lower RUE and RUE plasticity. There was also an evolutionary tradeoff between changes in growth rate and RUE in strains evolving alone, suggesting selection for increased growth rate at the cost of efficiency. Strains evolving with a competitive partner had higher growth rates, slightly lower RUE, and a stronger tradeoff between growth rate and efficiency. In contrast, mutualism had opposite effects on trait evolution. Strains evolving with a mutualist had slightly lower growth rates, higher RUE, and a weak evolutionary tradeoff between growth rate and RUE. Despite their different effects on trait evolution, competition and mutualism had little effect on plasticity evolution for either trait, suggesting that abiotic factors could be more important than biotic factors in generating selection for plasticity.
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spelling doaj-art-5d59649496fe40edbad096237ab72e282025-02-05T05:31:25ZengPublic Library of Science (PLoS)PLoS ONE1932-62032025-01-01201e031167410.1371/journal.pone.0311674Trait and plasticity evolution under competition and mutualism in evolving pairwise yeast communities.ShengPei WangRenuka AgarwalKari A SegravesDavid M AlthoffAlthough we have a good understanding of how phenotypic plasticity evolves in response to abiotic environments, we know comparatively less about responses to biotic interactions. We experimentally tested how competition and mutualism affected trait and plasticity evolution of pairwise communities of genetically modified brewer's yeast. We quantified evolutionary changes in growth rate, resource use efficiency (RUE), and their plasticity in strains evolving alone, with a competitor, and with a mutualist. Compared to their ancestors, strains evolving alone had lower RUE and RUE plasticity. There was also an evolutionary tradeoff between changes in growth rate and RUE in strains evolving alone, suggesting selection for increased growth rate at the cost of efficiency. Strains evolving with a competitive partner had higher growth rates, slightly lower RUE, and a stronger tradeoff between growth rate and efficiency. In contrast, mutualism had opposite effects on trait evolution. Strains evolving with a mutualist had slightly lower growth rates, higher RUE, and a weak evolutionary tradeoff between growth rate and RUE. Despite their different effects on trait evolution, competition and mutualism had little effect on plasticity evolution for either trait, suggesting that abiotic factors could be more important than biotic factors in generating selection for plasticity.https://doi.org/10.1371/journal.pone.0311674
spellingShingle ShengPei Wang
Renuka Agarwal
Kari A Segraves
David M Althoff
Trait and plasticity evolution under competition and mutualism in evolving pairwise yeast communities.
PLoS ONE
title Trait and plasticity evolution under competition and mutualism in evolving pairwise yeast communities.
title_full Trait and plasticity evolution under competition and mutualism in evolving pairwise yeast communities.
title_fullStr Trait and plasticity evolution under competition and mutualism in evolving pairwise yeast communities.
title_full_unstemmed Trait and plasticity evolution under competition and mutualism in evolving pairwise yeast communities.
title_short Trait and plasticity evolution under competition and mutualism in evolving pairwise yeast communities.
title_sort trait and plasticity evolution under competition and mutualism in evolving pairwise yeast communities
url https://doi.org/10.1371/journal.pone.0311674
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AT kariasegraves traitandplasticityevolutionundercompetitionandmutualisminevolvingpairwiseyeastcommunities
AT davidmalthoff traitandplasticityevolutionundercompetitionandmutualisminevolvingpairwiseyeastcommunities