tamoxifen

Data shows CYP2D6 testing in breast tumor tissue can be inaccurate due to loss of heterozygosity, and may have obscured the connection between genotype and tamoxifen response in previous trials.

Though many details have yet to be worked out, the draft deal for the UK's withdrawal from the EU is giving researchers some hints for what they can expect, Nature News says.

DNA testing has solved a 100-year-old mystery contained in the skull and teeth samples of a now-extinct monkey that once inhabited Jamaica, Gizmodo reports.

As the UN ponders a ban on gene drives, one malaria researcher says there are less dramatic ways to fight the disease in Africa than unleashing GM mosquitoes on a whole continent.

In Nature this week: an improved reference genome of the Aedes aegypti mosquito, genomes of four species of truffles, and more.