Extra Centriole Production Without Breakdown of Plk4 (image) Rockefeller University Press Share Print E-Mail Caption Cells unable to break down Plk4 manufacture extra centrioles (arrows). Credit Rogers, G.C., et al. 2009. J. Cell Biol. doi:10.1083/jcb.200808049. Usage Restrictions None 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.