TRB1 (IMAGE) Durham University Caption Activated MenT toxin stops growth of Mycobacterium tuberculosis, compared to biochemically inactive mutant versions of MenT. Credit Dr Claude Gutierrez. 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.