Skip to main content
. 2017 Jul 10;12(7):e0181139. doi: 10.1371/journal.pone.0181139

Fig 4. Oxygen evolution in vivo in the presence of putative PPDK inhibitors.

Fig 4

The rate of O2 evolution of Zea mays leaf slices was measured in solution with a Clark-type electrode. PPDK inhibitors identified in the in vitro screening assay were added to the leaf slices in a final concentration of 20 μg mL−1. A significant decrease (p ≤ 0.05) was observed for BIM IV, IO, BIO and PP242. Rates were normalized to the total amount of chlorophyll in the leaf samples and corrected for electrode drift. O2 evolution rates relative to the respective controls are given in percent. Noteworthy, the O2 evolution rate in the presence of IO and BIO was negative, hence representing a consumption of O2. Errors shown are SEM.