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. 2022 Jun 20;23:453. doi: 10.1186/s12864-022-08684-5

Fig. 8.

Fig. 8

Temperature stress- responsive expression profiles of SoBSKs in leaves from spinach heat- sensitive variety Sp73 and heat- tolerant variety Sp75. The data represented the expression levels of SoBSKs after heat (37 °C) or cold (4 °C) treatments for 0, 2, 4, 12, 24 h, respectively. The results were calculated via the 2-ΔΔCt method, and the SoARF was used as reference gene to correct the expression levels of SoBSKs. The heatmap of SoBSKs expression based on the RT-qPCR data standardized by log2 conversion. The color bar on the right of the heat map was based on the RT-qPCR data. Red and blue colors indicated up- and down- regulated genes, respectively