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. 2018 May 16;8:7614. doi: 10.1038/s41598-018-25910-x

Figure 5.

Figure 5

GmBEHL1 encodes a functional ortholog of Arabidopsis BEH1. (a and b) GmBEHL1 interacts directly with GmBIN2. (a) Results of a Y2H assay to detect GmBEHL1 and GmBIN2L interactions. Yeast cells co-transformed with pGADT7/pGBKT7-GmBEHL1, pGADT7-GmBIN2/pGBKT7-GmBEHL1, and pGADT7-GmBIN2/pGBKT7 were grown on selective media lacking Leu and Trp (SD/−2) to check for transformation. The cells were subsequently grown on selective media lacking Ade, His, Leu, and Trp (SD/−4) to detect protein-protein interactions. (b) Results of a BiFC assay to detect the interaction of GmBEHL1 with GmBIN2. GmBIN2 and GmBEHL1 were fused to the N-terminus of YFP (nYFP) and C-terminus of YFP (cYFP), respectively. Bars = 25 μm. (c) qRT-PCR analysis of putative BR biosynthetic genes (GmCPDs and GmDWF4s) in roots transformed with EV1 and 35S:GmBEHL1 at 2 DAI (n = 6). The transcript amounts in each sample were normalized to those of ELF1b. The expression levels shown are the means ± SDs from three replicates. Asterisks represent statistically significant differences compared to empty vector (Student’s t-test; *p < 0.05, **p < 0.01, and ***p < 0.001).