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Evolutionary history of Musaceae: ancient distribution and the rise of modern lineages

Por: Burgos Hernández, Mireya. Doctora [autora].
Pozo, Carmen [autora] | González, Dolores [autora].
Tipo de material: Artículo ArtículoTipo de contenido: Texto Tipo de medio: Computadora Tipo de portador: Recurso en líneaTema(s): Musaceae | Bananos | Biogeografía histórica | FósilesTema(s) en inglés: Musaceae | Bananas | Historical biogeography | FossilsDescriptor(es) geográficos: América del Norte Nota de acceso: Disponible para usuarios de ECOSUR con su clave de acceso En: Botanical Journal of the Linnean Society. Volumen 189, número 1 (January 2019), páginas 23-35. --ISSN: 1095-8339Número de sistema: 45489Resumen:
Inglés

We conducted a biogeographic analysis of Musaceae, emphasizing the importance of the fossil record to understand the early evolutionary history of the family. Plastid and nuclear DNA sequences were used to estimate divergence times with a Bayesian uncorrelated, lognormal relaxed-clock approach. Ancestral areas were reconstructed using the statistical dispersal-extinction-cladogenesis method under two models: one including and one excluding the fossil distribution. Molecular dating and integration of biogeographic reconstructions suggest a boreotropical origin for Musaceae across the landmasses of North America+Europe+Asia, with its diversification occurring through the Cretaceous / Palaeogene (K/Pg) (45.9-80.1 Mya; 95% HPD) and subsequent diversification occurring in southern South-east Asia. Comparison of the two models showed that biogeographic analysis based only on living species does not provide a complete reconstruction of the evolutionary history. We hypothesize that North America and Europe may be considered the grave of the more ancient lineages of Musaceae and tropical Asia as the cradle of more recent lineages of the family. The incorporation of fossil information in ancestral reconstructions improves the biogeographical history and expands hypotheses about the early evolution of Musaceae.
Lista(s) en las que aparece este ítem: Publicaciones Carmen Pozo
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Disponible para usuarios de ECOSUR con su clave de acceso

We conducted a biogeographic analysis of Musaceae, emphasizing the importance of the fossil record to understand the early evolutionary history of the family. Plastid and nuclear DNA sequences were used to estimate divergence times with a Bayesian uncorrelated, lognormal relaxed-clock approach. Ancestral areas were reconstructed using the statistical dispersal-extinction-cladogenesis method under two models: one including and one excluding the fossil distribution. Molecular dating and integration of biogeographic reconstructions suggest a boreotropical origin for Musaceae across the landmasses of North America+Europe+Asia, with its diversification occurring through the Cretaceous / Palaeogene (K/Pg) (45.9-80.1 Mya; 95% HPD) and subsequent diversification occurring in southern South-east Asia. Comparison of the two models showed that biogeographic analysis based only on living species does not provide a complete reconstruction of the evolutionary history. We hypothesize that North America and Europe may be considered the grave of the more ancient lineages of Musaceae and tropical Asia as the cradle of more recent lineages of the family. The incorporation of fossil information in ancestral reconstructions improves the biogeographical history and expands hypotheses about the early evolution of Musaceae. eng

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