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Analysis of ITs in PUB1 Knockdown Roots of lyk3-4 Plants.
lyk3-4 (hcl-4) mutant plants, transformed with the PUB1 RNAi construct (left panel) or empty vector (right panel), were inoculated with wild-type S. meliloti. Rhizobia were detected by β-galactosidase (LacZ) activity using X-Gal (blue). ITs were imaged at 5 DAI. Bars = 20 μm.
