Running with the Red Queen: the role of biotic conflicts in evolution.

Running with the Red Queen: the role of biotic conflicts in evolution.
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DOI:
10.1098/rspb.2014.1382
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发表时间:
2014-12-22
期刊:
Proceedings. Biological sciences
影响因子:
--
通讯作者:
Hurst GD
Hurst GD
中科院分区:
其他
文献类型:
--
作者:
Brockhurst MA;Chapman T;King KC;Mank JE;Paterson S;Hurst GD

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自然选择的原因是什么? 40 多年前,范瓦伦提出了红皇后假说,该假说强调生物冲突相对于非生物力量在推动选择方面的首要作用。物种必须不断进化才能在不断进化的敌人面前生存,但平均而言,它们的适应性保持不变。我们定义了红皇后协同进化的三种模式,以统一红皇后框架内的波动和方向选择。来自自然种间对抗的经验证据为这些共同进化模式提供了支持,并表明它们通常同时运作。我们认为,理解与种间相互作用相关的进化力量需要纳入一个群落框架,其中新的相互作用经常发生。在早期阶段,这些新建立的互动可能会推动双方的快速发展。我们进一步认为,更完整地综合红皇后力量需要将有性生殖产生的物种内部进化冲突纳入其中。相反,从红皇后的角度出发,可以增进我们对这些种内冲突演变的理解。
What are the causes of natural selection? Over 40 years ago, Van Valen proposed the Red Queen hypothesis, which emphasized the primacy of biotic conflict over abiotic forces in driving selection. Species must continually evolve to survive in the face of their evolving enemies, yet on average their fitness remains unchanged. We define three modes of Red Queen coevolution to unify both fluctuating and directional selection within the Red Queen framework. Empirical evidence from natural interspecific antagonisms provides support for each of these modes of coevolution and suggests that they often operate simultaneously. We argue that understanding the evolutionary forces associated with interspecific interactions requires incorporation of a community framework, in which new interactions occur frequently. During their early phases, these newly established interactions are likely to drive fast evolution of both parties. We further argue that a more complete synthesis of Red Queen forces requires incorporation of the evolutionary conflicts within species that arise from sexual reproduction. Reciprocally, taking the Red Queen's perspective advances our understanding of the evolution of these intraspecific conflicts.
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