Picture 1 (IMAGE) Queen Mary University of London Caption Amoebidium appalachense cells stained for DNA (in blue, showing the nucleus) and actin (in green), highlighting the cell membranes in the cellularization step of the colony Credit Alex de Mendoza Usage Restrictions None License Original 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.