New imaging technique catches DNA ‘blinking’ on

Method avoids need for fluorescent dyes to see cellular molecules

fluorescing dna

LIGHTING UP  When stimulated with light, DNA “blinks” on, making cellular structures (chromosome shown) visible without the need for fluorescent dyes.

B. Dong et al/PNAS 2016

BOSTON — A new imaging technique takes advantage of DNA’s natural ability to “blink” in response to stimulating light.