marginally significantp < 0.1
Consistent with enhanced A/S biosynthesis, expression levels of two key genes (HMGR and LePGT1), as estimated by qRT-PCR, increased significantly ( p < 0.05) in R-73072 challenged roots as compared to non-inoculated roots, while that of LeCYP76B101 was marginally significant ( p < 0.1; Supplementary Figure 1 ).