NEW YORK, April 16 -- Auditor PricewaterhouseCoopers said there's substantial doubt about Deltagen's ability to continue as a going concern, according to the company's annual report filed Wednesday with the Securities and Exchange Commission, and first reported by the Dow Jones news service.

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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.