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<title lang=en>Evolutionary analyses of non-genealogical bonds produced by introgressive descent</title>
<creator>Bapteste, Eric</creator>
<creator>Lopez, Philippe</creator>
<creator>Bouchard, Frederic</creator>
<creator>Baquero, Fernando</creator>
<creator>McInerney, James O.</creator>
<creator>Burian, Richard M.</creator>
<contributor>Adaptation, Intégration, Réticulation et Evolution (AIRE) ; Systématique, adaptation, évolution (SAE) ; Université Pierre et Marie Curie - Paris 6 (UPMC) - Centre National de la Recherche Scientifique (CNRS) - Université Pierre et Marie Curie - Paris 6 (UPMC) - Centre National de la Recherche Scientifique (CNRS) - Evolution Paris Seine ; Université Nice Sophia Antipolis (UNS) ; Université Côte d'Azur (UCA) - Université Côte d'Azur (UCA) - Centre National de la Recherche Scientifique (CNRS) - Université des Antilles et de la Guyane (UAG) - Université Pierre et Marie Curie - Paris 6 (UPMC) - Université Nice Sophia Antipolis (UNS) ; Université Côte d'Azur (UCA) - Université Côte d'Azur (UCA) - Université des Antilles et de la Guyane (UAG)</contributor>
<contributor>Social Sciences and Humanities Research Council of Canada</contributor>
<contributor> European Union [PAR-241476, EvoTAR-282004]</contributor>
<contributor> Carlos III Institute Research Fund [FIS-PI10-02588]</contributor>
<contributor> Science Foundation Ireland Research Frontiers Programme [09/RFP/EOB2510]</contributor>
<description>International audience</description>
<source>ISSN: 0027-8424</source>
<source>EISSN: 1091-6490</source>
<source>Proceedings of the National Academy of Sciences of the United States of America </source>
<publisher>National Academy of Sciences</publisher>
<identifier>hal-01544803</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-01544803</identifier>
<source>https://hal.archives-ouvertes.fr/hal-01544803</source>
<source>Proceedings of the National Academy of Sciences of the United States of America , National Academy of Sciences, 2012, 109 (45), pp.18266-18272. 〈10.1073/pnas.1206541109〉</source>
<identifier>DOI : 10.1073/pnas.1206541109</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1073/pnas.1206541109</relation>
<language>en</language>
<subject lang=en>biodiversity structure</subject>
<subject lang=en> evolutionary transitions</subject>
<subject lang=en> lateral gene transfer</subject>
<subject lang=en> network of life</subject>
<subject lang=en> symbiosis</subject>
<subject>[SDV.BID] Life Sciences [q-bio]/Biodiversity</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>All evolutionary biologists are familiar with evolutionary units that evolve by vertical descent in a tree-like fashion in single lineages. However, many other kinds of processes contribute to evolutionary diversity. In vertical descent, the genetic material of a particular evolutionary unit is propagated by replication inside its own lineage. In what we call introgressive descent, the genetic material of a particular evolutionary unit propagates into different host structures and is replicated within these host structures. Thus, introgressive descent generates a variety of evolutionary units and leaves recognizable patterns in resemblance networks. We characterize six kinds of evolutionary units, of which five involve mosaic lineages generated by introgressive descent. To facilitate detection of these units in resemblance networks, we introduce terminology based on two notions, P3s (subgraphs of three nodes: A, B, and C) and mosaic P3s, and suggest an apparatus for systematic detection of introgressive descent. Mosaic P3s correspond to a distinct type of evolutionary bond that is orthogonal to the bonds of kinship and genealogy usually examined by evolutionary biologists. We argue that recognition of these evolutionary bonds stimulates radical rethinking of key questions in evolutionary biology (e.g., the relations among evolutionary players in very early phases of evolutionary history, the origin and emergence of novelties, and the production of new lineages). This line of research will expand the study of biological complexity beyond the usual genealogical bonds, revealing additional sources of biodiversity. It provides an important step to a more realistic pluralist treatment of evolutionary complexity.</description>
<date>2012-11</date>
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