Plant roots (IMAGE) Salk Institute Caption Untreated (left) and mebendazole treated (right) seedling of Arabidopsis thaliana growing on the surface of vertical agar plates. While the root branches of the untreated plant point downwards, mebendazole leads to the branches pointing much more sidewards, leading to a shallower root system. Credit Salk Institute Usage Restrictions With credit and related coverage License Original 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.