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A river runs through it: The causes, consequences, and management of intraspecific diversity in river networks
TLDR
This work revealed that—in the studied river systems—stocking of domestic (fish) strains strongly and consistently alters natural spatial patterns of diversity, and highlighted the need for specific analytical tools to tease apart spurious from actual relationships in the wild.
Intraspecific genetic and phenotypic diversity: parallel processes and correlated patterns?
TLDR
Studying neutral genetic diversity and phenotypic diversity within an integrative framework appears as a valuable way of deciphering the complex and diverse impacts of neutral and adaptive processes on intraspecific diversity patterns.
Diverging patterns of introgression from Schistosoma bovis across S. haematobium African lineages
TLDR
A genomic comparative study and whole genomic sequencing approach highlights the fact that introgression from S. bovis is widespread across S. haematobium and that the observedintrogression is unidirectional.
Demographic and genetic collapses in spatially structured populations: insights from a long-term survey in wild fish metapopulations
TLDR
The usefulness of long-term monitoring that combines both genetic and demographic parameters to understand and predict temporal population fluctuations of at-risk species living in a metapopulation context is demonstrated.
No pre-zygotic isolation mechanisms between Schistosoma haematobium and Schistosoma bovis parasites: From mating interactions to differential gene expression
TLDR
It is shown that homo- andhetero-specific pairing occurs randomly between these two species, and few genes in both sexes are affected by hetero- specific pairing, which suggests that i) mate choice is not a reproductive isolating factor, and that ii) no pre-zygotic barrier except spatial isolation “by the final vertebrate host” seems to limit interbreeding betweenThese two species.
Transcriptomic Adjustments in a Freshwater Ectoparasite Reveal the Role of Molecular Plasticity for Parasite Host Shift
TLDR
This study strongly suggests that molecular plasticity is an important mechanism sustaining the parasite’s ability to infect alternative host species and could favor host shift in parasites.