Endophytes dissolve phosphate (IMAGE) University of Washington Caption As an endophytic strain dissolves tricalcium phosphate, a clear halo is produced around the milky-white phosphate circles, as seen in this image of the process occurring in an agar medium. Credit Sharon Doty/University of Washington Usage Restrictions credit required 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.