Replicated radiation of a plant clade along a cloud forest archipelago
Replicated radiation of a plant clade along a cloud forest archipelago
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DOI：
10.1038/s41559-022-01823-x
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发表时间：
2022-07-18
影响因子：
16.8
通讯作者：
Edwards, Erika J.
中科院分区：
文献类型：
--
作者：
Donoghue, Michael J.;Eaton, Deren A. R.;Edwards, Erika J.
在动物身上已经描述了几个复制辐射的例子（在不同的区域内重复进化出一组相似的形式）。在这里，作者提供了一个有据可查的植物例子，特别是被子植物珊瑚树分支中的Oreinotinus谱系，它通过间断的云雾林环境从墨西哥传播到阿根廷。复制辐射，其中相似形式的集合在不同地区重复进化，可以为平行进化和社区内功能多样性的组装提供强有力的见解。在动物中已经描述了几种情况，但在植物中，我们缺乏有据可查的情况下，复制辐射，联合收割机全面的系统发育和地理分析，划定的地理区域内的一组“生态”独立发展和识别潜在的潜在机制。在这里，我们记录了一组新热带植物的叶ecomorphs的重复进化。在被子植物珊瑚树分支内的Oreinotinus谱系通过间断的云雾森林环境从墨西哥传播到阿根廷。在11个特有区中的9个，具有相似叶型的物种是平行进化的。我们拒绝基因流介导的进化相似的叶子和显示，相反，不同的叶子形式的物种在他们的气候生态位不同，支持生态适应的驱动程序的并行。我们确定的情况下，复制的辐射在植物设置阶段的比较分析，这种现象在整个生命之树。
Several cases of replicated radiations (in which sets of similar forms evolve repeatedly within different regions) have been described in animals. Here the authors provide a well-documented example in plants, specifically the Oreinotinus lineage within the angiosperm clade Viburnum in its spread from Mexico to Argentina through disjunct cloud forest environments.Replicated radiations, in which sets of similar forms evolve repeatedly within different regions, can provide powerful insights into parallel evolution and the assembly of functional diversity within communities. Several cases have been described in animals, but in plants we lack well-documented cases of replicated radiation that combine comprehensive phylogenetic and biogeographic analyses, the delimitation of geographic areas within which a set of 'ecomorphs' evolved independently and the identification of potential underlying mechanisms. Here we document the repeated evolution of a set of leaf ecomorphs in a group of neotropical plants. The Oreinotinus lineage within the angiosperm clade Viburnum spread from Mexico to Argentina through disjunct cloud forest environments. In 9 of 11 areas of endemism, species with similar sets of leaf forms evolved in parallel. We reject gene-flow-mediated evolution of similar leaves and show, instead, that species with disparate leaf forms differ in their climatic niches, supporting ecological adaptation as the driver of parallelism. Our identification of a case of replicated radiation in plants sets the stage for comparative analyses of such phenomena across the tree of life.