Table 2. Functional analysis and comparison of secreted proteins between likely cargo routes

All 152 secreted proteins identified from wild-type samples were assigned to one of four potential trafficking routes. Broad functional categories were assigned based on Gene Ontology terms.

CategorySYP121SYP122Both SYP121 and SYP122SYP132
Cell wall associated3 (15%)5 (24%)18 (23%)3 (9%)
Carbohydrate metabolism4 (20%)3 (14%)11(14%)5 (15%)
Lipid metabolism5 (25%)1 (5%)17 (22%)0
Defense associated001 (1%)1 (3%)
Oxidative stress response3 (15%)1 (5%)3 (4%)6 (18%)
Proteases, peptidase3 (15%)4(19%)6 (8%)10 (29%)
Protease inhibitor03 (14%)1 (1%)1 (3%)
Seed storage02 (10%)01 (3%)
Protein folding2 (10%)000
Miscellaneous02 (10%)20 (26%)7 (21%)
Total proteins20217734