In Nucleic Acids Research this week, Prathima Iengar from the Indian Institute of Science in Bangalore discusses substitutions and indels in cancer genes. She analyzed such cancer-related mutations found in the COSMIC database and found that "the most frequent substitutions were c→t, g→a, g→t, and the most frequent codon changes were to termination codons." In addition, she notes that deletions are more common than insertions and most indels cause frameshifts.

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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.