The ROC75 Gene (IMAGE) Nagoya University Caption ROC75 plays a crucial role in the night-to-day transition of the circadian rhythm in C. reinhardtii. Credit Takuya Matsuo 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.