(IMAGE) Goethe University Frankfurt Caption Resembles a butterfly: only in its dimer form does the mannitol-synthesizing enzyme of the hospital pathogen Acinetobacter baumannii protect the bacterium from water loss and desiccation. Credit Klaas Martinus Pos, Goethe University Frankfurt Usage Restrictions Only to be used when reporting on Goethe University Frankfurt. Indicate copyright. 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.