Katherine Chang and Joseph R. Ecker, Salk Institute for Biological Studies (image) Salk Institute Share Print E-Mail Caption This image shows Salk Institute researchers Katherine Chang and Joseph R. Ecker, of Salk's Plant Molecular and Cellular Biology Laboratory. Credit Photo: Courtesy of the Salk Institute for Biological Studies Usage Restrictions News media reproduction to illustrate this story permitted with proper attribution as provided above. For one time use only. 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.