For the Cause

DNA sequencing is increasingly becoming the go-to test to uncover the causes of rare genetic disorders, writes Gina Kolata at the New York Times. While parents seeking such a test for their children have high expectations, experts note that genetic mutations are only found in about a quarter of cases, and the test leads to better treatment plans in only about 3 percent of cases and improvement in about 1 percent of cases.

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Researchers hope to tease out the signature effects that different carcinogens leave on the genome to determine their contributions to disease, Mosaic reports.

The Wall Street Journal looks into the cost of new gene therapies.

An Imperial College London-led team reports that it was able to use a gene drive to control a population of lab mosquitos.

In PNAS this week: genomic effects of silver fox domestication, limited effect of mitochondrial mutations on aging in fruit flies, and more.