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• W2078647054 abstract "Kin and multilevel selection theories predict that genetic structure is required for the evolution of cooperation. However, local competition among relatives can limit cooperative benefits, antagonizing the evolution of cooperation. We show that several ecological factors determine the extent to which kin competition constrains cooperative benefits. In addition, we argue that cooperative acts that expand local carrying capacity are less constrained by kin competition than other cooperative traits, and are therefore more likely to evolve. These arguments are particularly relevant to microbial cooperation, which often involves the production of public goods that promote population expansion. The challenge now is to understand how an organism's ecology influences how much cooperative groups contribute to future generations and thereby the evolution of cooperation. Kin and multilevel selection theories predict that genetic structure is required for the evolution of cooperation. However, local competition among relatives can limit cooperative benefits, antagonizing the evolution of cooperation. We show that several ecological factors determine the extent to which kin competition constrains cooperative benefits. In addition, we argue that cooperative acts that expand local carrying capacity are less constrained by kin competition than other cooperative traits, and are therefore more likely to evolve. These arguments are particularly relevant to microbial cooperation, which often involves the production of public goods that promote population expansion. The challenge now is to understand how an organism's ecology influences how much cooperative groups contribute to future generations and thereby the evolution of cooperation. maximum sustainable population size. when the density of a population is determined at a broad spatial scale; for example, where there is a well-mixed food source or where predation is by a roaming predator. contribution of a group to the next generation; this can depend on migrant dispersal, group survival or changes in the group's range. prediction that a costly trait benefiting other individuals evolves only when the relatedness weighted benefits of the trait outweigh its direct costs (r • b > c); the cost (c) and benefit (b) describe how the relative fitnesses of the cooperative individual and beneficiaries, respectively, change because of the trait's expression. framework of social evolution that emphasizes the costs (c), benefits (b) and genetic relatedness (r) of social interactions (see Hamilton's rule). when the density of a population is determined by locally acting density-regulating processes; for example, where resources are distributed on a local scale. evolutionary framework that partitions the effects of selection into within-group and between-group components. potential for group productivity to change. spatial scale over which competitive interactions influencing an individual's fitness occur. spatial scale over which cooperative interactions influencing an individual's fitness occur. measure of the statistical association among the genes of interacting individuals (see Hamilton's rule). population characterized by limited dispersal such that individuals tend to live near their natal site." @default.
• W2078647054 created "2016-06-24" @default.
• W2078647054 creator A5013528736 @default.
• W2078647054 creator A5051832543 @default.
• W2078647054 date "2009-07-01" @default.
• W2078647054 modified "2023-09-30" @default.
• W2078647054 title "Kin competition and the evolution of cooperation" @default.
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• W2078647054 doi "https://doi.org/10.1016/j.tree.2009.02.009" @default.
• W2078647054 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/5679087" @default.
• W2078647054 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/19409651" @default.
• W2078647054 hasPublicationYear "2009" @default.
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