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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-53192

Mc Ginty, S E; Rankin, D J (2012). The evolution of conflict resolution between plasmids and their bacterial hosts. Evolution, 66(5):1662-1670.

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It has recently been proposed that mobile elements may be a significant driver of cooperation in microorganisms. This may drive a potential conflict, where cooperative genes are transmitted independently of the rest of the genome, resulting in scenarios where horizontally spread cooperative genes are favoured while a chromosomal equivalent would not be. This can lead to the whole genome being exploited by surrounding non-cooperative individuals. Given that there are costs associated with mobile elements themselves, infection with a plasmid carrying a cooperative trait may lead to a significant conflict within the host genome. Here we model the mechanisms that allow the host to resolve this conflict, either by exhibiting complete resistance to the mobile element or by controlling its gene expression via a chromosomally-based suppressor. We find that the gene suppression mechanism will be more stable than full resistance, implying that suppressing the expression of costly genes within a cell is preferable to preventing the acquisition of the mobile element, for the resolution of conflict within a genome.


4 citations in Web of Science®
4 citations in Scopus®
Google Scholar™



70 downloads since deposited on 11 Jan 2012
14 downloads since 12 months

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Institute of Evolutionary Biology and Environmental Studies
Dewey Decimal Classification:570 Life sciences; biology
590 Animals (Zoology)
Deposited On:11 Jan 2012 15:18
Last Modified:05 Apr 2016 15:15
Additional Information:Author Posting. © The Authors 2011. This is the author's version of the work. It is posted here for personal use, not for redistribution. The definitive version was published in Evolution, Epub ahead of print. http://dx.doi.org/10.1111/j.1558-5646.2011.01549.x
Publisher DOI:10.1111/j.1558-5646.2011.01549.x

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