Cystic Fibrosis Bacteria Comparison (IMAGE) Michigan State University Caption This is a comparison of the cystic fibrosis bacteria, which becomes a green color under fluorescent light, shown before and after treatment. Far right column -- untreated bacteria. Second column -- bacteria treated with tobramycin alone showing some of the bacteria still remaining. Third column -- bacteria treated with triclosan alone showing the majority of the bacteria still remaining. Far left column -- bacteria treated with tobramycin and triclosan showing the effectiveness of the combination treatment. Credit Michigan State University Usage Restrictions None 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.