Fig. 2From: SPL9 mediates freezing tolerance by directly regulating the expression of CBF2 in Arabidopsis thalianaThe expression of miR156a, miR156c, miR156 and SPL9 under 22 °C and 0 °C by RT-qPCR. Asterisks indicate significant difference from 22 °C using Student’s t-test (* P < 0.05)Back to article page