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. 2009 Dec;151(4):1991–2005. doi: 10.1104/pp.109.147231

Figure 6.

Figure 6.

LR development in Arabidopsis auxin mutants in the presence of L. bicolor after 8 DOII. A, Ratio of LR number that developed in plants in contact with L. bicolor versus control plants without fungus. Significant LR increases are marked by asterisks (** Student's t test P < 0.01). Ratios in mutants that differed significantly from ectoype Columbia (Col0) are represented as white bars. LR development was stimulated by L. bicolor in Columbia, pin3, and aux1 to a similar extent and significantly less in pin2 and pin2,3,4,7. The quadruple auxin receptor mutant tir1afb1,2,3 and the IAA14 gain-of-function mutant slr1 were completely insensitive to L. bicolor in terms of LR stimulation. B, Root development of control plants and plants after 8 DOII. Note the absence of LRs in the slr1 and tir1afb1,2,3 negative control plants and at 8 DOII. For each treatment and mutant line, 10 to 15 biological replicates were analyzed.