Table IV. Functional classification of onion probes differentially expressed when treated before curing for 24 h at 20°C with ethylene, 1-MCP, ethylene and 1-MCP, or untreated (control).
| Functional Category | Cluster |
Row Totals | ||||||||
| 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | ||
| Housekeeping | 11 | 20 | 40 | 17 | 49 | 37 | 21 | 14 | 6 | 215 |
| Stress and defense | 3 | 10 | 6 | 4 | 5 | 8 | 6 | 9 | 3 | 54 |
| Chaperones | 0 | 3 | 3 | 2 | 5 | 0 | 2 | 0 | 0 | 15 |
| Photosynthesis | 0 | 1 | 4 | 1 | 5 | 3 | 2 | 1 | 0 | 17 |
| Cell wall metabolism | 0 | 3 | 2 | 1 | 4 | 3 | 2 | 3 | 0 | 18 |
| Secondary metabolism | 3 | 8 | 7 | 1 | 4 | 3 | 3 | 4 | 2 | 35 |
| Cell death | 1 | 0 | 2 | 0 | 2 | 1 | 0 | 0 | 0 | 6 |
| Peptidase/kinase | 8 | 11 | 29 | 10 | 13 | 27 | 6 | 19 | 3 | 126 |
| Transport | 4 | 10 | 24 | 3 | 9 | 20 | 3 | 15 | 2 | 90 |
| Signaling | 3 | 0 | 4 | 1 | 8 | 6 | 2 | 4 | 0 | 28 |
| Metabolism | 8 | 22 | 29 | 4 | 20 | 23 | 8 | 13 | 2 | 129 |
| PGR | 1 | 6 | 7 | 0 | 5 | 2 | 2 | 5 | 0 | 29 |
| Cell cycle | 1 | 1 | 2 | 0 | 5 | 3 | 0 | 1 | 1 | 13 |
| Transcription factor | 9 | 11 | 34 | 2 | 15 | 15 | 6 | 14 | 1 | 107 |
| Unclassified | 19 | 44 | 75 | 19 | 49 | 64 | 21 | 34 | 2 | 327 |
| Phosphatase | 0 | 2 | 3 | 1 | 2 | 4 | 3 | 4 | 0 | 19 |
| Row totals | 71 | 152 | 271 | 66 | 200 | 219 | 87 | 140 | 22 | 1,228 |