Zebrafish Embryos (IMAGE) Hokkaido University Caption Zebrafish embryos expressing a fluorescent gene after ultraviolet light irradiation. Credit Ogasawara S., Duration control of protein expression in vivo by light-mediated reversible activation of translation. <i>ACS Chemical Biology</i>, Jan 4, 2017. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.