C4 mutant phenotype screen on N. benthamiana.

1 Mutant designation, point mutants: C4(Original amino acid)(residue position)(New amino acid).2 Phenotype was scored as C4-like or PVX-like at 14 days post inoculation.3 Milder C4-like, less contorted stem and less discoloration along leaf veins4 Very mild phenotype, leaf surface is smooth, no stem curling or petiole rolling, only mild leaf curling on older leaves.5 Symptoms C4-like, but onset was delayed 2 to 3 days.C4 mutant phenotype screen on N. benthamiana.