Plant stress responses (IMAGE) Purdue University Caption Plants respond to stress with autophagy (self-cannibalism) as well as with ethylene. The Arabidopsis plant at far left is a wild type. The others are various ethylene response mutants that have differing levels of autophagy responses to stress. Credit Photo provided by Hye Lin Park, Purdue University Usage Restrictions News organizations may use this image in reports about the work of Purdue University's Gyeong Mee Yoon and her collaborators. 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.