This Week in Science

In Science this week, an international team led by investigators at the University of Houston report the effects of epistatic interactions among mutations on fitness "for the first five mutations to fix in an experimental population of Escherichia coli." The team says that "epistasis depended on the effects of the combined mutations," such that "the larger the expected benefit, the more negative the epistatic effect." As a result, the team says that in its study, epistasis "tended to produc

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.

Sequencing could help combat foodborne illnesses, according to a blog post by Food and Drug Administration officials.

Popular Mechanics reports that Caltech researchers have built a prototype nanobot using DNA.

The Sacramento Bee writes that direct-to-consumer genetic testing connected a woman to sperm donor-conceived half siblings.

In PLOS this week: gene expression catalog for sheep, viral diversity among respiratory samples from camels, and more.