Predominantly Eastward Long-Distance Dispersal in Pantropical Ochnaceae Inferred From Ancestral Range Estimation and Phylogenomics
Ochnaceae is a pantropical family with multiple transoceanic disjunctions at deep and shallow levels. Earlier attempts to unravel the processes that led to such biogeographic patterns suffered from insufficient phylogenetic resolution and unclear delimitation of some of the genera. In the present st...
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Frontiers Media S.A.
2022-02-01
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| Series: | Frontiers in Ecology and Evolution |
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| Online Access: | https://www.frontiersin.org/articles/10.3389/fevo.2022.813336/full |
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| author | Julio V. Schneider Julio V. Schneider Tanja Jungcurt Tanja Jungcurt Domingos Cardoso André M. Amorim André M. Amorim Juraj Paule Juraj Paule Georg Zizka Georg Zizka |
| author_facet | Julio V. Schneider Julio V. Schneider Tanja Jungcurt Tanja Jungcurt Domingos Cardoso André M. Amorim André M. Amorim Juraj Paule Juraj Paule Georg Zizka Georg Zizka |
| author_sort | Julio V. Schneider |
| collection | DOAJ |
| description | Ochnaceae is a pantropical family with multiple transoceanic disjunctions at deep and shallow levels. Earlier attempts to unravel the processes that led to such biogeographic patterns suffered from insufficient phylogenetic resolution and unclear delimitation of some of the genera. In the present study, we estimated divergence time and ancestral ranges based on a phylogenomic framework with a well-resolved phylogenetic backbone to tackle issues of the timing and direction of dispersal that may explain the modern global distribution of Ochnaceae. The nuclear data provided the more robust framework for divergence time estimation compared to the plastome-scale data, although differences in the inferred clade ages were mostly small. While Ochnaceae most likely originated in West Gondwana during the Late Cretaceous, all crown-group disjunctions are inferred as dispersal-based, most of them as transoceanic long-distance dispersal (LDD) during the Cenozoic. All LDDs occurred in an eastward direction except for the SE Asian clade of Sauvagesieae, which was founded by trans-Pacific dispersal from South America. The most species-rich clade by far, Ochninae, originated from either a widespread neotropical-African ancestor or a solely neotropical ancestor which then dispersed to Africa. The ancestors of this clade then diversified in Africa, followed by subsequent dispersal to the Malagasy region and tropical Asia on multiple instances in three genera during the Miocene-Pliocene. In particular, Ochna might have used the South Arabian land corridor to reach South Asia. Thus, the pantropical distribution of Ochnaceae is the result of LDD either transoceanic or via land bridges/corridors, whereas vicariance might have played a role only along the stem of the family. |
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| issn | 2296-701X |
| language | English |
| last_indexed | 2024-12-13T01:04:18Z |
| publishDate | 2022-02-01 |
| publisher | Frontiers Media S.A. |
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| series | Frontiers in Ecology and Evolution |
| spelling | doaj.art-32d4e59933f342a3a4ea38be28a010c22022-12-22T00:04:35ZengFrontiers Media S.A.Frontiers in Ecology and Evolution2296-701X2022-02-011010.3389/fevo.2022.813336813336Predominantly Eastward Long-Distance Dispersal in Pantropical Ochnaceae Inferred From Ancestral Range Estimation and PhylogenomicsJulio V. Schneider0Julio V. Schneider1Tanja Jungcurt2Tanja Jungcurt3Domingos Cardoso4André M. Amorim5André M. Amorim6Juraj Paule7Juraj Paule8Georg Zizka9Georg Zizka10Department of Botany and Molecular Evolution, Senckenberg Research Institute and Natural History Museum Frankfurt, Frankfurt am Main, GermanyEntomology III, Department of Terrestrial Zoology, Senckenberg Research Institute and Natural History Museum Frankfurt, Frankfurt am Main, GermanyDepartment of Botany and Molecular Evolution, Senckenberg Research Institute and Natural History Museum Frankfurt, Frankfurt am Main, GermanyInstitute of Ecology, Evolution and Diversity, Goethe University Frankfurt, Frankfurt am Main, GermanyNational Institute of Science and Technology in Interdisciplinary and Transdisciplinary Studies in Ecology and Evolution (INCT IN-TREE), Instituto de Biologia, Universidade Federal da Bahia (UFBA), Salvador, BrazilDepartamento de Ciências Biológicas, Universidade Estadual de Santa Cruz (UESC), Ilhéus, BrazilHerbário André Maurício Vieira de Carvalho, Centro de Pesquisas do Cacau (CEPEC), Comissão Executiva do Plano da Lavoura Cacaueira (CEPLAC), Itabuna, BrazilDepartment of Botany and Molecular Evolution, Senckenberg Research Institute and Natural History Museum Frankfurt, Frankfurt am Main, GermanyInstitute of Ecology, Evolution and Diversity, Goethe University Frankfurt, Frankfurt am Main, GermanyDepartment of Botany and Molecular Evolution, Senckenberg Research Institute and Natural History Museum Frankfurt, Frankfurt am Main, GermanyInstitute of Ecology, Evolution and Diversity, Goethe University Frankfurt, Frankfurt am Main, GermanyOchnaceae is a pantropical family with multiple transoceanic disjunctions at deep and shallow levels. Earlier attempts to unravel the processes that led to such biogeographic patterns suffered from insufficient phylogenetic resolution and unclear delimitation of some of the genera. In the present study, we estimated divergence time and ancestral ranges based on a phylogenomic framework with a well-resolved phylogenetic backbone to tackle issues of the timing and direction of dispersal that may explain the modern global distribution of Ochnaceae. The nuclear data provided the more robust framework for divergence time estimation compared to the plastome-scale data, although differences in the inferred clade ages were mostly small. While Ochnaceae most likely originated in West Gondwana during the Late Cretaceous, all crown-group disjunctions are inferred as dispersal-based, most of them as transoceanic long-distance dispersal (LDD) during the Cenozoic. All LDDs occurred in an eastward direction except for the SE Asian clade of Sauvagesieae, which was founded by trans-Pacific dispersal from South America. The most species-rich clade by far, Ochninae, originated from either a widespread neotropical-African ancestor or a solely neotropical ancestor which then dispersed to Africa. The ancestors of this clade then diversified in Africa, followed by subsequent dispersal to the Malagasy region and tropical Asia on multiple instances in three genera during the Miocene-Pliocene. In particular, Ochna might have used the South Arabian land corridor to reach South Asia. Thus, the pantropical distribution of Ochnaceae is the result of LDD either transoceanic or via land bridges/corridors, whereas vicariance might have played a role only along the stem of the family.https://www.frontiersin.org/articles/10.3389/fevo.2022.813336/fullboreotropicshistorical biogeographyMalpighialesland bridgesmolecular clockphylogenomics |
| spellingShingle | Julio V. Schneider Julio V. Schneider Tanja Jungcurt Tanja Jungcurt Domingos Cardoso André M. Amorim André M. Amorim Juraj Paule Juraj Paule Georg Zizka Georg Zizka Predominantly Eastward Long-Distance Dispersal in Pantropical Ochnaceae Inferred From Ancestral Range Estimation and Phylogenomics Frontiers in Ecology and Evolution boreotropics historical biogeography Malpighiales land bridges molecular clock phylogenomics |
| title | Predominantly Eastward Long-Distance Dispersal in Pantropical Ochnaceae Inferred From Ancestral Range Estimation and Phylogenomics |
| title_full | Predominantly Eastward Long-Distance Dispersal in Pantropical Ochnaceae Inferred From Ancestral Range Estimation and Phylogenomics |
| title_fullStr | Predominantly Eastward Long-Distance Dispersal in Pantropical Ochnaceae Inferred From Ancestral Range Estimation and Phylogenomics |
| title_full_unstemmed | Predominantly Eastward Long-Distance Dispersal in Pantropical Ochnaceae Inferred From Ancestral Range Estimation and Phylogenomics |
| title_short | Predominantly Eastward Long-Distance Dispersal in Pantropical Ochnaceae Inferred From Ancestral Range Estimation and Phylogenomics |
| title_sort | predominantly eastward long distance dispersal in pantropical ochnaceae inferred from ancestral range estimation and phylogenomics |
| topic | boreotropics historical biogeography Malpighiales land bridges molecular clock phylogenomics |
| url | https://www.frontiersin.org/articles/10.3389/fevo.2022.813336/full |
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