CLV3 gene mutations (IMAGE) Cold Spring Harbor Laboratory Caption Mutations in the CLV3 gene can dramatically increase fruit size, as seen in tomatoes (top row) and Arabidopsis thaliana (bottom row). Credit Lippman lab/Cold Spring Harbor Laboratory Usage Restrictions Attribution 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.