Chlamydia Infecting Human Cells (IMAGE) Duke University Caption Chlamydia bacteria (green), use a dual-function enzyme called ChlaDUB1 to build a shell around themselves with pieces of the host cell's Golgi apparatus (red). Credit Robert Bastidas - Duke University 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.