Fig. 2

Phaseolus vulgaris protoplasts that were isolated from multiple tissues: a Leaf mesophyll. b Flower petal. c Hypocotyl. d Root. e Uninfected nodule cells. f Rhizobium tropici-infected nodule cells. g R. tropici harboring the pSN30-GFP plasmid expressing the GFP protein in infected cells as seen under a laser-scanning confocal microscope. Scale bars: A, D-E, 15 μm; B, 50 μm; and C, F-G, 100 μm