(IMAGE) Nara Institute of Science and Technology Caption a. Arabidopsis inflorescence structure. Wild type and JA-related mutant are shown. b. Arabidopsis petal bases. JA reporter expression in wild type and JA-related mutant is shown. c. Arabidopsis petal cells. TEM images in wild type and JA-related mutant are shown. Credit Nobutoshi Yamaguchi Usage Restrictions Credit required 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.