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A new study published in PNAS by researchers from the University of Basel in Switzerland suggests that a gene linked to improved memory may also increase a person's risk of developing post-traumatic stress disorder, Nature News' Mo Costandi reports.

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Two researchers have found that behavioral genetic defenses in criminal cases don't tend to affect outcomes, according to Popular Science.

Researchers report that while host genetics influence the oral microbiome, they don't appear to affect cavity-causing microbes, the Economist says.

Pandas' gut microbiomes change as what they eat changes with the seasons, writes Discover's Inkfish blog.

In PLOS this week: comparative genomic study of malaria-linked macaque parasite, search for apple root reference genes, and more.