This Week in PNAS

In a paper appearing in this week's PNAS Early Edition, a team led by investigators at the University of California, Irvine, shows that the sperm dynein intermediate chain multigene family contributes to the differential reproductive success among Drosophila males, such that deletion of all members "impairs the competence of the sperm in the presence of sperm from wild-type males." This also shows "how quickly a new gene function can be incorporated into the genetic network

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Researchers have treated an X-linked genetic disease affecting three babies in utero, Stat News reports.

The Associated Press reports that the US Centers for Disease Control and Prevention is beefing up sequencing as a tool to investigate foodborne illnesses.

Researchers have sequenced samples from ancient toilets to study past eating habits and health, NPR reports.

In Nature this week: ash dieback disease fungal genome, and more.