Abstract
Plant cells respond to stresses and exogenous environmental stimuli. Production of altered levels of reactive oxygen species (ROS) is one of a typical cellular responses against such stimuli. These responses are detectable through various techniques including luminol-based bioassays. Luminol-based bioassays provide an excellent opportunity for detection of ROS in plant leaf tissue when challenged with some exogenous stimuli like phytohormones, cytokinins, auxins, ABA, etc. The luminol-based protocol in point aims at measuring changes in the H2O2 levels of Arabidopsis leaf discs when exposed to phytohormone cytokinins. However, utility of the luminol-based ROS determination protocol is quite wide. We specifically optimized this protocol to quantify the effect of cytokinins on ROS production by Arabidopsis leaves.
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