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How common cuckoos adapt to multiple hosts

delete2025-10-30
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M
Michael D. Sorenson
C
Claire N. Spottiswoode
DOI:10.1126/science.aec1973delete
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摘要

摘要

En 中文
与其他专性巢寄生鸟类一样,普通杜鹃(Cuculus canorus)通过将卵产在“宿主”巢中繁殖,从而利用另一物种的亲代抚育。孵化后,杜鹃雏鸟通过将宿主卵(和/或雏鸟)推出巢外的方式清除其竞争对手。鉴于这些极端代价,宿主进化出识别并排斥异卵的能力,而杜鹃则进化出模仿宿主卵外观的卵,以更好地避免被检测到(1)。然而,这种协同进化军备竞赛因杜鹃利用多种宿主物种而变得复杂,这提出一个难题:单一杜鹃物种如何进化出模仿多种不同宿主卵的卵?本期第527页,Merondun等人(2)报告了基因组数据,揭示了一种复杂的地理镶嵌式杜鹃-宿主协同进化模式,其中母系遗传基因、常染色体(双亲遗传)基因以及种群结构共同促进了杜鹃卵表型多样性的进化。

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Science
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论文数:
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被引数:
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机构

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boston university
学者数:
3.8W
论文数: 3.2W
被引数: 67
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University of Cape Town
学者数:
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论文数: 1.6W
被引数: 31
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