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DEPE | Séminaires BEEPSS / BEEPSS Seminars » Life-history, local adaptation and population genetics of large populations (...)

Life-history, local adaptation and population genetics of large populations : from immune genes to gut microbiomes

Dernière mise à jour : vendredi 6 mars 2020, par Catherine Berger

Presented by : Mark Gillingham, University of Ulm, Germany
Date : Thursday 7th May 2020, 13:00-14:30
Place : Amphithéàtre Grünewald, Bâtiment 25

Long-distance migration and dispersal is likely to play a central role in the spread of pathogens across wide geographic areas, which have important implications for wildlife, livestock and human health. In particular, long-distance migrating and dispersing waterbirds are often cited as playing a central role in the wide geographic spread of waterborne gastrointestinal pathogens which contaminate crucial waterbodies for wildlife and human activities. However, the host-pathogen interaction in long-distance dispersing species remains largely unknown. My current research predominantly investigates the population genetics of immune genes and the gut microbiome of a large population of greater flamingos in the Mediterranean. Coupling extensive genetic data and long-term life history traits, I specifically aim to : (1) test the effect of the local environment and long-distance dispersal on the gastrointestinal bacterial community and MHC diversity of breeding populations across the Mediterranean basin and west Africa ; (2) identify pathogen- and MHC-fitness trait correlations ; (3) test for the variation in MHC allele frequencies and selection across time ; and, (4) test the combined effects of pathogen loads and MHC variation on long-distance dispersal propensity and ability.