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Conflicting selection alters the trajectory of molecular evolution in a tripartite bacteria-plasmid-phage interaction

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Conflicting selection alters the trajectory of molecular evolution in a tripartite bacteria-plasmid-phage interaction. / Harrison, Ellie; Hall, James P J; Paterson, Steve; Spiers, Andrew J; Brockhurst, Michael A.

In: Molecular Ecology, Vol. 26, No. 10, 05.2017, p. 2757-2764.

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Harvard

Harrison, E, Hall, JPJ, Paterson, S, Spiers, AJ & Brockhurst, MA 2017, 'Conflicting selection alters the trajectory of molecular evolution in a tripartite bacteria-plasmid-phage interaction', Molecular Ecology, vol. 26, no. 10, pp. 2757-2764. https://doi.org/10.1111/mec.14080

APA

Harrison, E., Hall, J. P. J., Paterson, S., Spiers, A. J., & Brockhurst, M. A. (2017). Conflicting selection alters the trajectory of molecular evolution in a tripartite bacteria-plasmid-phage interaction. Molecular Ecology, 26(10), 2757-2764. https://doi.org/10.1111/mec.14080

Vancouver

Harrison E, Hall JPJ, Paterson S, Spiers AJ, Brockhurst MA. Conflicting selection alters the trajectory of molecular evolution in a tripartite bacteria-plasmid-phage interaction. Molecular Ecology. 2017 May;26(10):2757-2764. https://doi.org/10.1111/mec.14080

Author

Harrison, Ellie ; Hall, James P J ; Paterson, Steve ; Spiers, Andrew J ; Brockhurst, Michael A. / Conflicting selection alters the trajectory of molecular evolution in a tripartite bacteria-plasmid-phage interaction. In: Molecular Ecology. 2017 ; Vol. 26, No. 10. pp. 2757-2764.

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@article{76a08087e6904b73ad353d77dcd6342c,
title = "Conflicting selection alters the trajectory of molecular evolution in a tripartite bacteria-plasmid-phage interaction",
abstract = "Bacteria engage in a complex network of ecological interactions, which includes mobile genetic elements (MGEs) such as phages and plasmids. These elements play a key role in microbial communities as vectors of horizontal gene transfer but can also be important sources of selection for their bacterial hosts. In natural communities, bacteria are likely to encounter multiple MGEs simultaneously and conflicting selection among MGEs could alter the bacterial evolutionary response to each MGE. Here, we test the effect of interactions with multiple MGEs on bacterial molecular evolution in the tripartite interaction between the bacterium, Pseudomonas fluorescens, the lytic bacteriophage, SBW25φ2, and conjugative plasmid, pQBR103, using genome sequencing of experimentally evolved bacteria. We show that individually, both plasmids and phages impose selection leading to bacterial evolutionary responses that are distinct from bacterial populations evolving without MGEs, but that together, plasmids and phages impose conflicting selection on bacteria, constraining the evolutionary responses observed in pairwise interactions. Our findings highlight the likely difficulties of predicting evolutionary responses to multiple selective pressures from the observed evolutionary responses to each selective pressure alone. Understanding evolution in complex microbial communities comprising many species and MGEs will require that we go beyond studies of pairwise interactions.",
keywords = "Journal Article",
author = "Ellie Harrison and Hall, {James P J} and Steve Paterson and Spiers, {Andrew J} and Brockhurst, {Michael A}",
note = "{\circledC} 2017 John Wiley & Sons Ltd.",
year = "2017",
month = "5",
doi = "10.1111/mec.14080",
language = "English",
volume = "26",
pages = "2757--2764",
journal = "Molecular Ecology",
issn = "0962-1083",
publisher = "Wiley-Blackwell",
number = "10",

}

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TY - JOUR

T1 - Conflicting selection alters the trajectory of molecular evolution in a tripartite bacteria-plasmid-phage interaction

AU - Harrison, Ellie

AU - Hall, James P J

AU - Paterson, Steve

AU - Spiers, Andrew J

AU - Brockhurst, Michael A

N1 - © 2017 John Wiley & Sons Ltd.

PY - 2017/5

Y1 - 2017/5

N2 - Bacteria engage in a complex network of ecological interactions, which includes mobile genetic elements (MGEs) such as phages and plasmids. These elements play a key role in microbial communities as vectors of horizontal gene transfer but can also be important sources of selection for their bacterial hosts. In natural communities, bacteria are likely to encounter multiple MGEs simultaneously and conflicting selection among MGEs could alter the bacterial evolutionary response to each MGE. Here, we test the effect of interactions with multiple MGEs on bacterial molecular evolution in the tripartite interaction between the bacterium, Pseudomonas fluorescens, the lytic bacteriophage, SBW25φ2, and conjugative plasmid, pQBR103, using genome sequencing of experimentally evolved bacteria. We show that individually, both plasmids and phages impose selection leading to bacterial evolutionary responses that are distinct from bacterial populations evolving without MGEs, but that together, plasmids and phages impose conflicting selection on bacteria, constraining the evolutionary responses observed in pairwise interactions. Our findings highlight the likely difficulties of predicting evolutionary responses to multiple selective pressures from the observed evolutionary responses to each selective pressure alone. Understanding evolution in complex microbial communities comprising many species and MGEs will require that we go beyond studies of pairwise interactions.

AB - Bacteria engage in a complex network of ecological interactions, which includes mobile genetic elements (MGEs) such as phages and plasmids. These elements play a key role in microbial communities as vectors of horizontal gene transfer but can also be important sources of selection for their bacterial hosts. In natural communities, bacteria are likely to encounter multiple MGEs simultaneously and conflicting selection among MGEs could alter the bacterial evolutionary response to each MGE. Here, we test the effect of interactions with multiple MGEs on bacterial molecular evolution in the tripartite interaction between the bacterium, Pseudomonas fluorescens, the lytic bacteriophage, SBW25φ2, and conjugative plasmid, pQBR103, using genome sequencing of experimentally evolved bacteria. We show that individually, both plasmids and phages impose selection leading to bacterial evolutionary responses that are distinct from bacterial populations evolving without MGEs, but that together, plasmids and phages impose conflicting selection on bacteria, constraining the evolutionary responses observed in pairwise interactions. Our findings highlight the likely difficulties of predicting evolutionary responses to multiple selective pressures from the observed evolutionary responses to each selective pressure alone. Understanding evolution in complex microbial communities comprising many species and MGEs will require that we go beyond studies of pairwise interactions.

KW - Journal Article

U2 - 10.1111/mec.14080

DO - 10.1111/mec.14080

M3 - Article

VL - 26

SP - 2757

EP - 2764

JO - Molecular Ecology

T2 - Molecular Ecology

JF - Molecular Ecology

SN - 0962-1083

IS - 10

ER -