In a new study, University of Auckland scientist Christopher Hall and his colleagues focused on neutrophils, a type of white blood cell that play a key role in antibacterial immunity. Yi Du et al. identified a light-responsive cell-intrinsic timer that controls time-of-day variations in antibacterial activity. Image credit: Summerstock. The study authors used zebrafish as a model organism, because its genetic make-up is similar to ours and they can...
