Campylobacter concisus Bacterium (IMAGE) University of New South Wales Caption Dr Zhang has been studying the links between the C. concisus bacterium (pictured) and gut health for over a decade. Her team captured this photo of the bacterium via an electron microscope. Credit UNSW Sydney / Dr Li Zhang Usage Restrictions The photo can be used in relation to this story and with credit to: UNSW Sydney / Li Zhang. 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.