Sharing = Evolution

Researchers have long known that bacteria and archaea can alter, lose, or duplicate their genes almost at will in order to survive in a range of environments, says Scientific American's Carrie Arnold. While it's also known that bacteria can also acquire genes from their neighbors — a trait that can lead to antibiotic resistance — it was thought that this kind of horizontal gene transfer was rare and occurred only under strong environmental pressures, Arnold says.

Get the full story

This story is free
for registered users

Registering provides access to this and other free content.

Register now.

Already have an account?
Login Now.

Researchers suggest that genetic variations could influence the side effects people experience when using synthetic cannabinoids, the International Business Times reports.

An analysis has examined the makeup of researchers on Twitter and what they share, Nature News reports.

At Stat News, Jim Kozubek argues that the Broad Institute is pushing the boundary of what a nonprofit is.

In PNAS this week: gut microbes may affect honeybee weight, phenotype and gene expression changes in DiGeorge syndrome, and more.