Ricardo C Rodríguez de la VegaUniversité Paris-Sud 11 | Paris 11 · Laboratoire d'Ecologie, Systématique et Evolution
Ricardo C Rodríguez de la Vega
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This project aims at understanding the genomic processes underlying host adaptations of the ants-specific fungi from the species complex Ophiocordyceps unilateralis sensu lato by using a population genomics approach. This knowledge will contribute to the understanding of adaptive evolution, which is a major topic in evolutionary biology, and has potential applications in the development of fungal biological control agents against insect pests. Strains of O. unilateralis specific to three different ant species will be isolated from Thailand and their genomes will be sequenced, to identify the genomic changes involved in adaptation, e.g., the genes with signatures of positive selection or specific to particular hosts. Various sampling sites will allow inferences on the recent demographic history that could blur the footprint of positive selection.