<em>Mfn2</em>-deficient Mitochondria (IMAGE) Rockefeller University Press Caption In mice, mitochondria (green) in healthy (left) and Mfn1-deficient heart muscle cells (center) are organized in a linear arrangement, but the organelles are enlarged and disorganized in Mfn2-deficient cells (right). Credit Mourier et al., 2015 Usage Restrictions Reporters may freely use these materials in news coverage, with the appropriate credit information. 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.