Accumulation of Defective Mitochondria (image) Rockefeller University Press Share Print E-Mail Caption Parkin (green) promotes the turnover of damaged mitochondria (red, left), but defective organelles accumulate near the nucleus if Parkin lacks its ubiquitin ligase activity (right). Credit Lee, J.-Y., et al. 2010. J. Cell Biol. doi:10.1083/jcb.201001039. Usage Restrictions Reporters may freely use these materials in news coverage, with the appropriate credit information. Share Print E-Mail 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.