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Effects of sulfonylurea and propargylglycine on Met catabolism in Arabidopsis cells. Cells were incubated for 24 h in the presence of either 2 mM [13C2]Met or 2 mM [13C5]Met plus either 1.2 μM methyl sulfometuron (sulfonylurea, SU) or 1 mM d,l-propargylglycine (PPG). Perchloric acid extracts were analyzed by [13C]-NMR. The presented results are the average of three distinct experiments ± SD.
