Cell Armor (IMAGE) Umea University Caption Researchers at Umeå University have found a novel peptidoglycan structure in the cell wall of acetic acid bacteria. The structure forms a more protective armour against lytic enzymes delivered by competing microbes, and helps the bacteria to escape a hosts' innate immune system. These findings open up for novel ways to develop taxon-specific antimicrobial strategies. Credit Felipe Cava, Umeå University Usage Restrictions This illustration may only be used in contexts related to this news release. 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.