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. 2015 Aug 7;4(3):523–547. doi: 10.3390/plants4030523

Figure 2.

Figure 2

DR5:GUS reporter gene activity reflecting auxin gradients in M. truncatula and A. thaliana primary roots. (A) DR5:GUS expression gradient in Arabidopsis, as described in [55]; (B) DR5:GUS expression gradient in M. truncatula [63]. GUS activity appears in blue.