Blood pressure medicine resistance (IMAGE) Experimental Biology Caption Researchers discovered that a bacterium known as Coprococcus comes may contribute to resistance to ACE inhibitors. They used studies involving liquid chromatography–mass spectrometry and blood pressure readings recorded via radio telemetry from a rat model of hypertension. Credit Tao Yang, Department of Physiology and Pharmacology, University of Toledo Usage Restrictions Credit must be given to the creator. License CC BY 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.