Journal
NATURE ECOLOGY & EVOLUTION
Volume 3, Issue 7, Pages 1018-1029Publisher
NATURE RESEARCH
DOI: 10.1038/s41559-019-0907-1
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Funding
- Sweden-America Foundation
- Wenner-Gren Foundations
- Wellcome Trust [209397/Z/17/Z]
- European Research Council [787932]
- Wellcome Trust [209397/Z/17/Z] Funding Source: Wellcome Trust
- European Research Council (ERC) [787932] Funding Source: European Research Council (ERC)
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Cooperation occurs at all levels of life, from genomes, complex cells and multicellular organisms to societies and mutualisms between species. A major question for evolutionary biology is what these diverse systems have in common. Here, we review the full breadth of cooperative systems and find that they frequently rely on enforcement mechanisms that suppress selfish behaviour. We discuss many examples, including the suppression of transposable elements, uniparental inheritance of mitochondria and plastids, anti-cancer mechanisms, reciprocation and punishment in humans and other vertebrates, policing in eusocial insects and partner choice in mutualisms between species. To address a lack of accompanying theory, we develop a series of evolutionary models that show that the enforcement of cooperation is widely predicted. We argue that enforcement is an underappreciated, and often critical, ingredient for cooperation across all scales of biological organization.
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