Arabidopsis (IMAGE) University of Missouri-Columbia Caption Wild-type Arabidopsis is pictured on the left and srfr1-3 mutant with constitutively activated pathogen defenses and severely reduced biomass is on the right. Credit Photo courtesy of Dr. Walter Gassmann. 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.