Chlamydia Peptidoglycan is Revealed by a New Bacterial Labeling Method (image) NIH/National Institute of Allergy and Infectious Diseases Share Print E-Mail Caption Chlamydia peptidoglycan (green) is revealed by a new bacterial labeling method. Outer membrane proteins of Chlamydia bacteria are stained in red. Credit Erkin Kuru, Indiana University Usage Restrictions None Share Print E-Mail 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.