Investigators at Stockholm University and their colleagues show in a Genome Research paper published online in advance this week that adenosine to inosine editing of miRNAs increases in the mouse brain during development, and that it "gradually changes the proportions of the two miR-376a isoforms." Further, "by comparing editing of pre-miRNA with editing and expression of the corresponding mature miRNA, we also show an editing induced developmental regulation of miRNA express

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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.