This Week in PLOS

In PLOS Medicine, researchers from the US and Finland describe blood transcriptional signatures corresponding to respiratory syncytial virus infection and severity in infants. The expression patterns — identified using array-based analyses on blood samples from groups of American and Finnish infants with RSV — appear capable of distinguishing RSV from other forms of lower respiratory tract infection and finding those at risk of developing severe RSV infections.

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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.