System-driven Circadian Gene Expression (image) PLOS Share Print E-Mail Caption System-driven circadian gene expression -- A link between the central and local oscillators. Credit Schibler et al. Usage Restrictions Please cite the authors and PLoS Biology as the source. 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.