ReachMD

When Salmonella bacteria hitch a ride on a spacecraft, they return to Earth with a bevy of frequent flier miles and with added virulence. What about the extraterrestrial environment triggers curious changes in gene expression? Cheryl Nickerson, PhD, associate professor of life sciences at the Biodesign Institute Center for Infectious Disease and Vaccinology at Arizona State University, explores this microbial space mystery with host Paul Raeburn.