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. 2012 Dec 14;7(12):e52030. doi: 10.1371/journal.pone.0052030

Figure 2. Upregulation of the OsMYB55 expression by high temperature.

Figure 2

Quantitative transcript levels of OsMYB55 in the leaves of four weeks old rice plants exposed to 45°C as a high temperature for 0, 1, 6 and 24 hr (A). Data are means ± SD (n = 3). Histochemical staining of the GUS protein in rice plants carrying the GUS reported gene under control of OsMYB55 promoter (B). Plants were exposed to 45°C and samples were collected after treatment. Cross-sections of the leaf med vein (I & II) and leaf blade (III) were prepared and visualized under the light microscope. The GUS stain was visible as early as one hour after treatment.