Table IV.
Specific enzyme activities assigned to QTL in B. oleracea
Where the QTL could be associated with previously characterized genes, the orthologous Brassica or Arabidopsis gene has been assigned.
| Gene Category | Inferred Activity | Pathway Stage Influenced | QTL | Candidate Orthologous Gene |
|---|---|---|---|---|
| Early activity | Early stages of synthesis | Most | AGO7-a, NGO8-b | – |
| Early stages (but different to above) | Most | AGO9-a | – | |
| Early stage | (B, E) (B, C, D) | AGO4-a, NGO4-a | – | |
| One of the KAS | (A, D) (A, D) | AGO9-b, NGO9-b | – | |
| Before 18:ACP | (C, E) (C, E) | AGO4-b, NGO1-b | – | |
| Before Δ9DES(P2) | (C, D, E) | AGO8-b | – | |
| Plastid desaturases | Δ9DES or FAT | (A, C) | AGO1-b | – |
| Δ9DES or FAT | (D, E) | NGO5-a | ||
| FAD2, ?FAD3 | (Ex) | AGO1-a, NGO2-a | Canola FAD2 AthFAD2 | |
| Elongases | KCS (FAE) | (c1) | AGO5-b | Undetermined |
| KCS (FAE) | (e3) | AGO2-a | Undetermined | |
| KCS (FAE) | (f2) | AGO7-c | AthFAE | |
| KCS (FAE) | (c2, e2, f2) | AGO7-b | AthFAE | |
| KCS (FAE) | (Various) | AGO8-a | Undetermined | |
| KCS (FAE) | (e*) | NGO8-a | Undetermined | |
| KCS (FAE) | (e1,f1) | NGO3-c | AthFAE | |
| KCS (FAE) | (d2) | NGO9-b? | Undetermined | |
| Unassigned | Unassigned | 7 AG 6 NG | – |