This Week in PLOS

In PLOS Biology, two University of British Columbia researchers delve into the details of evolutionary diversity, using Escherichia coli as a model system. The team prompted initially isogenic E. coli bacteria to adapt into different populations using competition experiments involving growth in distinct carbon sources over some 1,200 generations.

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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.