Mitochondrial Disruption (IMAGE) Johns Hopkins Medicine Caption An electron microscope image shows dark-stained O-GlcNAc transferase localized to one complex in the mitochondrial membrane, left, and scattered to the inside of the mitochondria, right. Credit Partha Banerjee/Johns Hopkins Medicine Usage Restrictions Credit required 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.