This Week in PLOS

Researchers from Portugal, reporting in PLOS Pathogens, used genome sequencing as part of their effort to understand adaptations leading to pathogenesis in Escherichia coli. Together with mathematical modeling and experiments gauging the bug's evolution and physical features, the team's genome sequence assessments suggested that the presence or absence of a lone transposable element can spell the difference between commensal and virulent E.

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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.