A team from Weill Cornell Medicine, New York-Presbyterian Hospital, and Memorial Sloan-Kettering Cancer Center presents a sequencing-centered method for finding microbial community members present in low abundance in small clinical samples. The team sequenced 27 gastric biopsy samples collected with an endoscope from 22 individuals with active Helicobacter pylori infections and no prior treatment for the bug.

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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.