This Week in Cell

A recent study in Cell suggests that the transition from HIV infection to AIDS may involve a marked expansion of viral communities in the gut. Through experiments involving monkey models infected with simian immunodeficiency virus, or SIV, researchers from Washington University, Beth Israel Deaconess Medical Center, and elsewhere looked at the gut virome during AIDS development.

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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.