Steep roots image (IMAGE) University of Nottingham Caption X-ray micro-computed tomography scan image of Morex (wild-type) and egt1 (mutant) roots in soil, showing major differences in seminal root growth angle. Mutant roots show steeper root phenotype compared to the wild-type Credit Dr. Riccardo Fusi, University of Nottingham. Usage Restrictions none 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.