@article{Olave2018-06Hybri-42715,
  year={2018},
  doi={10.1111/jeb.13273},
  title={Hybridization could be a common phenomenon within the highly diverse lizard genus Liolaemus},
  number={6},
  volume={31},
  issn={1010-061X},
  journal={Journal of Evolutionary Biology},
  pages={893--903},
  author={Olave, Melisa and Avila, Luciano J. and Sites, Jack W. and Morando, Mariana}
}

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    <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2018-06-27T08:48:49Z</dc:date>
    <dc:language>eng</dc:language>
    <dcterms:abstract xml:lang="eng">Hybridization is likely to occur more often between closely related taxa that have had insufficient time to diverge to the point of reproductive incompatibility; hybridization between deeply divergent lineages is rare. In squamate reptiles, hybridization has been proposed as a possible explanation for the extensive paraphyly observed in mitochondrial gene trees in several species complexes of the South American lizard genus Liolaemus. One of the best-documented cases is within the L. boulengeri and L. rothi complexes, which diverged ~5.5 million years ago. Here, we describe a comprehensive study for approaching the hybridization hypothesis between these lizard species complexes. We explored the level of gene tree discordance using the novel 'extra lineage contribution' statistics (XLC, presented in this study) that quantifies the level of gene tree discordance contribution per individual within a species. We included molecular data (12 nuclear and two mitochondrial genes) from 127 individuals, and results of a coalescent model-based analysis show that the most likely explanation for the gene tree-species tree discordance is interspecific hybridization. Our best-supported hypothesis suggests current and past hybridization between L. rothi (rothi complex) and L. tehuelche (boulengeri complex), and independently between L. rothi and L. boulengeri and L. telsen (boulengeri complex). The hybrid descendants are characterized by intermediate phenotypes between the parental species, but are more similar to L. rothi in body size. We discuss the possible role of hybridization in Liolaemus evolution.</dcterms:abstract>
    <dc:creator>Avila, Luciano J.</dc:creator>
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    <dc:creator>Morando, Mariana</dc:creator>
    <dc:contributor>Avila, Luciano J.</dc:contributor>
    <dc:contributor>Morando, Mariana</dc:contributor>
    <dc:creator>Sites, Jack W.</dc:creator>
    <dc:contributor>Sites, Jack W.</dc:contributor>
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    <dc:creator>Olave, Melisa</dc:creator>
    <dcterms:title>Hybridization could be a common phenomenon within the highly diverse lizard genus Liolaemus</dcterms:title>
    <dc:contributor>Olave, Melisa</dc:contributor>
    <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2018-06-27T08:48:49Z</dcterms:available>
    <dcterms:issued>2018-06</dcterms:issued>
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