Population-specific, recent positive directional selection suggests adaptation of human male reproductive genes to different environmental conditions.

Abstract excerpt

BACKGROUND: Recent human transcriptomic analyses revealed a very large number of testis-enriched genes, many of which are involved in spermatogenesis. This comprehensive transcriptomic data lead us to the question whether positive selection was a decisive force influencing the evolution and variability of testis-enriched genes in humans. We used two methodological approaches to detect different levels of positive...

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