Figure 4
Sulfur metabolism in plants.
The schematic flow diagram for sulfur metabolism, according to reviews by Thomas Rausch and Andreas Wachter11, and Kazu ki Saito21. ACC: 1-aminocyclopropane-1-carboxylate; APS: adenosine 5′- phosphosulfate; the arrow indicates induction (derepression); and the bar indicates inhibition (repression). The words in red indicate the genes encoding the enzymes (proteins) that were un-regulated in the roots of tomatoes infected by V. dahliae in tomato/potato onion companion cropping in the present study.
