Effect of Auxin (IMAGE) Max-Planck-Gesellschaft Caption Effect of auxin on plant cells with regard to the transcriptional regulators "MONOPTEROS" and "BODENLOS": MONOPTEROS (MP) controls its own expression and the expression of its inhibitor BODENLOS (BDL), with the plant hormone auxin acting as a threshold-specific trigger by promoting the degradation of the inhibitor. Credit Steffen Lau/MPI for Developmental Biology 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.