Microtiter plates used in the study (IMAGE) Hokkaido University Caption Microtiter plates that were used in the study for the assessment of antibiotic activity (Photo: Akira Katsuyama). Credit Akira Katsuyama Usage Restrictions This image is copyrighted, but may be used to report on this press release if credited as instructed. 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.