How the switch to hummingbird pollination has greatly contributed to our understanding of evolutionary processes
How the switch to hummingbird pollination has greatly contributed to our understanding of evolutionary processes
复制标题
蜂鸟授粉的转变如何极大地促进了我们对进化过程的理解
DOI：
10.1111/nph.19335
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发表时间：
2023
期刊：
影响因子：
9.4
通讯作者：
Wessinger, Carolyn A.
中科院分区：
文献类型：
--
作者：
Wessinger, Carolyn A.
蜂鸟授粉的进化转变体现了复杂的适应，需要多个组成性状的进化改变。尽管存在这种复杂性，但在相对较短的进化时间尺度上，不同的谱系已经汇聚到了适应蜂鸟的花朵上。在这里，我回顾了适应的遗传基础特征如何导致这种显着的进化不稳定性。大效应替代、大适应突变目标、适应性渗入和集中结构都有助于适应蜂鸟的花的起源和维持。适应的遗传特征可能是由蜂鸟授粉的生态和地理环境决定的，这对未来的进化轨迹具有影响。
The evolutionary switch to hummingbird pollination exemplifies complex adaptation, requiring evolutionary change in multiple component traits. Despite this complexity, diverse lineages have converged on hummingbird‐adapted flowers on a relatively short evolutionary timescale. Here, I review how features of the genetic basis of adaptation contribute to this remarkable evolutionary lability. Large‐effect substitutions, large mutational targets for adaptation, adaptive introgression, and concentrated architecture all contribute to the origin and maintenance of hummingbird‐adapted flowers. The genetic features of adaptation are likely shaped by the ecological and geographic context of the switch to hummingbird pollination, with implications for future evolutionary trajectories.