NEW YORK (GenomeWeb News) – A new paper by Montreal researchers is providing evidence that the gene variants found in some non-cancerous tissues may differ from those present in blood samples from the same individual.

"The usual dogma is that your DNA is the same all over the place," senior author Morris Schweitzer, an endocrinologist and lipidologist with McGill University and the affiliated Lady Davis Institute for Medical Research at Montreal's Jewish General Hospital, told GenomeWeb Daily News. But, he said, his team's work suggests that isn't the case.

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Helix customers can purchase apps that interpret different aspects of their genome, Technology Review reports.

The New York Times reports that a number of companies and research institutes are pursuing gene therapies.

Salmon with shorter telomeres survive to make the trip back to their river homes, New Scientist reports.

In PLOS this week: vaginal microbiome composition, population patterns of Chagas-carrying Rhodnius ecuadoriensis, and more.