This Week in PNAS

A study appearing in the early, online edition of the Proceedings of the National Academy of Sciences this week describes microbial patterns detected in household dust samples from across the country. A team from the US and Denmark used 16S ribosomal RNA gene sequencing and internal transcribed spacer sequencing to identify bacteria and fungal phylotypes in volunteer-collected dust swabs from sites above external doors in some 1,200 American households.

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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.