Redox in <i>Synechococcus</i> (IMAGE) DOE/Pacific Northwest National Laboratory Caption Green fluorescence shows redox reactions in living Synechococcus cells. Credit Image courtesy of Aaron Wright/PNNL 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.