Kin competition and the evolution of cooperation.

Kin competition and the evolution of cooperation.
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DOI:
10.1016/j.tree.2009.02.009
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发表时间:
2009-07
影响因子:
16.8
通讯作者:
Bever JD
Bever JD
中科院分区:
生物学1区
文献类型:
--
作者:
Platt TG;Bever JD

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亲属和多级选择理论预测,遗传结构是合作进化所必需的。然而,亲戚之间的局部竞争可能会限制合作利益,对抗合作的演变。我们发现,几个生态因素决定在何种程度上亲属竞争约束合作利益。此外,我们认为,合作的行为,扩大当地的承载能力是受亲属竞争比其他合作性状,因此更有可能演变。这些论点与微生物合作特别相关,微生物合作往往涉及促进人口扩张的公共产品的生产。现在的挑战是了解有机体的生态如何影响合作群体对后代的贡献,从而影响合作的进化。
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.
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