@inproceedings{fdi:010096564, title = {{B}eyond plants : how reproductive strategies could shape invasiveness and disease spread in freshwater snails [r{\'e}sum{\'e}]}, author = {{M}uller {B}aigorria, {M}. and {C}hapuis, {E}lodie and {B}onel, {N}. and {A}lda, {P}.}, editor = {}, language = {{ENG}}, abstract = {{R}eproductive strategies profoundly influence evolutionary outcomes and ecological processes. {H}ere, we extend key concepts from plant reproductive biology to the animal kingdom by focusing on freshwater snails--specifically lymnaeids--as a model system. {W}e investigate how variation in mating systems, including self-fertilization and outcrossing, shapes both colonization processes and disease transmission. {U}sing an integrative framework that combines observational data, population genetics, and phylogenetic analysis, we examine how these reproductive modes influence both the establishment success and long-term persistence of snail populations. {S}elf-fertilization, in particular, offers reproductive assurance in newly colonized or disturbed habitats where mates are scarce or environmental conditions are unstable. {T}his strategy enables rapid population growth from a single founder, thereby facilitating expansion. {H}owever, a species that reproduces by self-fertilization for many generations shows a genomic degradation and a reduced genetic diversity that translates into a low adaptive potential, which is why self-fertilization is considered to be an evolutionary dead. {I}n other words, all these detrimental genetic and genomic effects are predicted to drive selfing lineages to extinction on the long term. {H}owever, a group of lymnaeid snails (the genus {G}alba), comprising selfing snails and dating back over 20 million years, stands as a notable exception. {I}ts persistence challenges traditional assumptions and suggests that, under specific ecological conditions?such as amphibious lifestyles and reduced interspecific competition long-term selfing may remain evolutionarily viable. {W}e also examine how reproductive strategies intersect with epidemiological dynamics. {S}elfing populations, characterized by low genetic variation, may facilitate parasite transmission by sustaining genetically uniform host populations. {T}hese insights underscore the broader ecological and public health implications of reproductive strategies, particularly in the context of snail-borne zoonoses. {B}y bridging concepts across kingdoms, our work emphasizes the importance of reproductive diversity and invites a rethinking of long-held assumptions about the evolutionary fate of selfing lineages.}, keywords = {}, numero = {}, pages = {63}, booktitle = {{V} {I}nternational {APOMIXIS} 2025 {C}onference : book of abstracts}, year = {2025}, URL = {https://www.documentation.ird.fr/hor/fdi:010096564}, }