Root-Knot Nematodes Activate Plant Stem Cells (image) Kumamoto University Share Print E-Mail Caption The root-knot nematode was found to activate plant stem cells which causes the formation of galls on the plant roots and reduces the nutrition absorption capability of the plant. Credit Professor Shinichiro Sawa Usage Restrictions This image may only be used in conjunction with the accompanying release, or stories written about the work described in the release with reference to the original work. 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.