The ALA- and OF-induced changes in the activities of ROS-scavenging enzymes.
(A) Profiles of antioxidant isozymes. Non-denaturing activity gels were prepared and run as described in the method.
Incubation of the gels with KCN or H2O2 prior to staining for SOD activity suggests that SOD-2 is a Mn-SOD, whereas SOD-1, SOD-3, and SOD-4 are Cu/Zn-SOD enzymes (data not shown).
(B) Expression of genes encoding the ROS-scavenging enzymes. Total RNAs were purified from plants and reverse transcribed.
The resultant cDNAs were used as templates for qRT-PCR using Actin as an internal control.
The control was used for normalization, with the expression level of the sample set to 1. Error bars represent SE, and representative data from three independent experiments are presented.
The plants were subjected to the same treatments as in Fig. 1. Treatment notations are the same as in Fig. 1.