Karpen Team Reviews Data (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption Shown back to front, Berkeley Lab's Gary Karpen (standing), Weiguo Zhang and Jian-Hua Mao examine data on centromere and kinetochore genes. Credit Francesca Guagliardo/Berkeley Lab Usage Restrictions Editorial use only. 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.