DNA-staining dyes such as propidium iodide (PI) and DAPI commonly exhibit nonspecific binding with RNA due to similar base-pairing behaviors in DNA and RNA, and both molecules exhibit minor grooves ...
A confocal microscopy image of doublecortin-stained newborn neurons (pink) and nuclear stain DAPI (green), which shows that neurogenesis is occurring in the brain of a normal mouse.