Table 1 Details of the 10 clusters produced by k-means clustering for the transcripts significantly changing for the °Brix x Tissue interaction term
Cluster # | # of transcripts | Top overrepresented GO categories | # of GO cat | Comments |
|---|---|---|---|---|
1 | 190 | Cellular response to iron | 46 | Higher in pulp |
Transmembrane receptor protein tyrosine kinase signaling pathway | ||||
2 | 166 | Xyloglucan metabolism | 11 | Higher in pulp; decreasing with increasing Brix in pulp |
Growth | ||||
3 | 238 | Photosynthesis | 12 | Decreasing in pulp; increasing skin. |
Respiration | ||||
4 | 216 | Oxygen transport | 4 | Similar in both tissues; increasing with Brix |
Heat response | ||||
5 | 142 | None | 0 | Both decreasing with Brix |
6 | 189 | Amino acid phosphorylation | 5 | Higher in skin; decreasing in skin with Brix |
7 | 123 | None | 0 | Higher in skin peaking at 25 °Brix |
8 | 369 | Terpenoid metabolism | 169 | Higher in skin peaking at 23.2 °Brix |
Pigment biosynthesis | ||||
Organic acid biosynthesis | ||||
Amino acid phosphorylation | ||||
Fatty acid metabolism | ||||
9 | 234 | Phenylpropanoid metabolism | 63 | Higher in skin peaking at 23.2 °Brix |
Photosynthesis | ||||
Abiotic stress response | ||||
10 | 186 | Phenylpropanoid metabolism | 26 | Higher in skin decreasing at 25 °Brix |
Organic acid catabolism |