Fernando Faria Franco, Danilo Trabuco Amaral, Isabel A. S. Bonatelli, Jared B. Meek, Evandro Marsola Moraes, Daniela Cristina Zappi, Nigel Paul Taylor, Deren A. R. Eaton
{"title":"岛屿殖民仙人掌跨越水下 \"桥梁 \"群岛的历史性阶梯路径","authors":"Fernando Faria Franco, Danilo Trabuco Amaral, Isabel A. S. Bonatelli, Jared B. Meek, Evandro Marsola Moraes, Daniela Cristina Zappi, Nigel Paul Taylor, Deren A. R. Eaton","doi":"10.1038/s41437-024-00683-4","DOIUrl":null,"url":null,"abstract":"Here we use population genomic data (ddRAD-Seq) and ecological niche modeling to test biogeographic hypotheses for the divergence of the island-endemic cactus species Cereus insularis Hemsl. (Cereeae; Cactaceae) from its sister species C. fernambucensis Lem. The Cereus insularis grows in the Fernando de Noronha Islands (FNI), a Neotropical archipelago located 350 km off the Brazilian Atlantic Forest (BAF) coast. Phylogeographic reconstructions support a northward expansion by the common ancestor of C. insularis and C. fernambucensis along the mainland BAF coast, with C. insularis diverging from the widespread mainland taxon C. fernambucensis after colonizing FNI in the late Pleistocene. The morphologically distinct C. insularis is monophyletic and nested within C. fernambucensis, as expected from a progenitor-derivative speciation model. We tested alternative biogeographic and demographic hypotheses for the colonization of the FNI using Approximate Bayesian Computation. We found the greatest support for a stepping-stone path that emerged during periods of decreased sea level (the “bridge” hypothesis), in congruence with historical ecological niche modeling that shows highly suitable habitats on stepping-stone islands during glacial periods. The outlier analyses reveal signatures of selection in C. insularis, suggesting a putative role of adaptation driving rapid anagenic differentiation of this species in FNI.","PeriodicalId":12991,"journal":{"name":"Heredity","volume":"132 6","pages":"296-308"},"PeriodicalIF":3.1000,"publicationDate":"2024-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"A historical stepping-stone path for an island-colonizing cactus across a submerged “bridge” archipelago\",\"authors\":\"Fernando Faria Franco, Danilo Trabuco Amaral, Isabel A. S. Bonatelli, Jared B. Meek, Evandro Marsola Moraes, Daniela Cristina Zappi, Nigel Paul Taylor, Deren A. R. Eaton\",\"doi\":\"10.1038/s41437-024-00683-4\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Here we use population genomic data (ddRAD-Seq) and ecological niche modeling to test biogeographic hypotheses for the divergence of the island-endemic cactus species Cereus insularis Hemsl. (Cereeae; Cactaceae) from its sister species C. fernambucensis Lem. The Cereus insularis grows in the Fernando de Noronha Islands (FNI), a Neotropical archipelago located 350 km off the Brazilian Atlantic Forest (BAF) coast. Phylogeographic reconstructions support a northward expansion by the common ancestor of C. insularis and C. fernambucensis along the mainland BAF coast, with C. insularis diverging from the widespread mainland taxon C. fernambucensis after colonizing FNI in the late Pleistocene. The morphologically distinct C. insularis is monophyletic and nested within C. fernambucensis, as expected from a progenitor-derivative speciation model. We tested alternative biogeographic and demographic hypotheses for the colonization of the FNI using Approximate Bayesian Computation. We found the greatest support for a stepping-stone path that emerged during periods of decreased sea level (the “bridge” hypothesis), in congruence with historical ecological niche modeling that shows highly suitable habitats on stepping-stone islands during glacial periods. The outlier analyses reveal signatures of selection in C. insularis, suggesting a putative role of adaptation driving rapid anagenic differentiation of this species in FNI.\",\"PeriodicalId\":12991,\"journal\":{\"name\":\"Heredity\",\"volume\":\"132 6\",\"pages\":\"296-308\"},\"PeriodicalIF\":3.1000,\"publicationDate\":\"2024-04-18\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Heredity\",\"FirstCategoryId\":\"99\",\"ListUrlMain\":\"https://www.nature.com/articles/s41437-024-00683-4\",\"RegionNum\":2,\"RegionCategory\":\"生物学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"ECOLOGY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Heredity","FirstCategoryId":"99","ListUrlMain":"https://www.nature.com/articles/s41437-024-00683-4","RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"ECOLOGY","Score":null,"Total":0}
引用次数: 0
摘要
在这里,我们利用种群基因组数据(ddRAD-Seq)和生态位建模来检验岛屿特有仙人掌物种 Cereus insularis Hemsl.(仙人掌科)与其姊妹物种 C. fernambucensis Lem 的生物地理学分化假说。海岛仙人掌(Cereus insularis)生长在费尔南多-德诺罗尼亚群岛(Fernando de Noronha Islands,FNI),这是一个距离巴西大西洋森林(BAF)海岸 350 公里的新热带群岛。系统地理学重建支持 C. insularis 和 C. fernambucensis 的共同祖先沿着巴西大西洋森林大陆海岸向北扩张,C. insularis 在更新世晚期殖民到 FNI 后与广泛分布的大陆类群 C. fernambucensis 发生分化。形态上独特的 C. insularis 是单系的,嵌套在 C. fernambucensis 中,这是祖先-衍生物模式所期望的。我们使用近似贝叶斯计算法测试了蕨类植物在蕨类地区殖民的其他生物地理学和人口学假说。我们发现,海平面下降时期出现的阶石路径("桥梁 "假说)得到了最大的支持,这与历史生态位建模显示冰川时期阶石岛上非常适合栖息的情况一致。离群点分析揭示了海岛杉的选择特征,表明在 FNI 中该物种的快速衰老分化可能是由适应性驱动的。
A historical stepping-stone path for an island-colonizing cactus across a submerged “bridge” archipelago
Here we use population genomic data (ddRAD-Seq) and ecological niche modeling to test biogeographic hypotheses for the divergence of the island-endemic cactus species Cereus insularis Hemsl. (Cereeae; Cactaceae) from its sister species C. fernambucensis Lem. The Cereus insularis grows in the Fernando de Noronha Islands (FNI), a Neotropical archipelago located 350 km off the Brazilian Atlantic Forest (BAF) coast. Phylogeographic reconstructions support a northward expansion by the common ancestor of C. insularis and C. fernambucensis along the mainland BAF coast, with C. insularis diverging from the widespread mainland taxon C. fernambucensis after colonizing FNI in the late Pleistocene. The morphologically distinct C. insularis is monophyletic and nested within C. fernambucensis, as expected from a progenitor-derivative speciation model. We tested alternative biogeographic and demographic hypotheses for the colonization of the FNI using Approximate Bayesian Computation. We found the greatest support for a stepping-stone path that emerged during periods of decreased sea level (the “bridge” hypothesis), in congruence with historical ecological niche modeling that shows highly suitable habitats on stepping-stone islands during glacial periods. The outlier analyses reveal signatures of selection in C. insularis, suggesting a putative role of adaptation driving rapid anagenic differentiation of this species in FNI.
期刊介绍:
Heredity is the official journal of the Genetics Society. It covers a broad range of topics within the field of genetics and therefore papers must address conceptual or applied issues of interest to the journal''s wide readership