Filaments (IMAGE) University of Arizona Caption A negative stain electron micrograph of SgrAI/DNA filaments. Credit Nancy Horton Usage Restrictions This visual may only be used in conjunction with reporting on or posting of this news release. Credit must be given as indicated. 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.