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. 2003 Aug;132(4):1982–1988. doi: 10.1104/pp.103.021634

Figure 3.

Figure 3.

Spot application controls showing that root hair reorientation is an NF-specific response. a, Spot application of 10–9 m non-sulfated NF (from the Sinorhizobium meliloti NodH mutant) does not lead to growth reorientation. Bar = 30 μm. a1, At the moment of application; a2, 25 min after application. b, Growing M. truncatula wild-type root hair after spot application with 10–6 m chitotetraose showing no growth axis reorientation. Bar = 18 μm. b1, At the moment of application; b2, 45 min after application. c, Spot application of 10–9 m sulfated chitotetraose does not lead to growth reorientation. Bar = 30 μm. c1, Before application; c2, 30 min after application. d, Growing M. truncatula wild-type root hair after spot application of Millipore water (Millipore, Bedford, MA) showing no growth axis reorientation. Bar = 18 μm. d1, At the moment of application; d2, 55 min after application. Arrowheads point to the site of application.