New tricks for old antibiotics (IMAGE) Instituto Gulbenkian de Ciencia Caption tetracyclines inhibiting cell mitochondria activity Credit ©Joana Carvalho, IGC 2020 Usage Restrictions register credits 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.