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EDP Sciences, EPJ Data Science, 1(1), 2012

DOI: 10.1140/epjds11

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Genetic flow directionality and geographical segregation in a Cymodocea nodosa genetic diversity network

Journal article published in 2012 by A. Paolo Masucci, Sophie Arnaud-Haond ORCID, Victor M. Eguiluz, Emilio Hernandez-Garcia, Ester A. Serrao
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

We analyse a large data set of genetic markers obtained from populations of Cymodocea nodosa, a marine plant occurring from the East Mediterranean to the Iberian-African coasts in the Atlantic Ocean. We fully develop and test a recently introduced methodology to infer the directionality of gene flow based on the concept of geographical segregation. Using the Jensen-Shannon divergence, we are able to extract a directed network of gene flow describing the evolutionary patterns of Cymodocea nodosa. In particular we recover the genetic segregation that the marine plant underwent during its evolution. The results are confirmed by natural evidence and are consistent with an independent cross analysis.