Fig. 4.
Quantification of NO released from roots of WT and mutant plants after incubation with M. loti MAFF303099. The fluorescence intensity of the DAF-FM solution in the rooting medium was measured with a plate reader and expressed as relative fluorescence intensity per fresh weight of roots. Means (± SE; n=9) denoted by the same letter do not significantly differ based on Duncan’s multiple range test at P=0.05.