Sticklebacks adapted to divergent osmotic environments show differences in plasticity for kidney morphology and candidate gene expression.

Abstract excerpt

Novel physiological challenges in different environments can promote the evolution of divergent phenotypes, either through plastic or genetic changes. Environmental salinity serves as a key barrier to the distribution of nearly all aquatic organisms, and species diversification is likely to be enabled by adaptation to alternative osmotic environments. The threespine stickleback (Gasterosteus aculeatus) is a...

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