The fungal sesquiterpenoid pyrenophoric acid B uses the plant ABA biosynthetic pathway to inhibit seed germination.
J. Lozano-Juste, M. Masi, A. Cimmino, S. Clement, M. A. Fernandez, R. Antoni, S. Meyer, P. L. Rodriguez, A. Evidente
The paper shows that the fungal compound pyrenophoric acid B inhibits seed germination by using the plant ABA biosynthetic pathway, not by activating ABA receptors.
bioRxiv · May 9, 2019Plant Biology