Table 2. Summarized description of functional association of genes with various drought related ontology terms identified at different stages based on step-wise screening procedure.
| Ontologies | Ontology terms | Ontology accessions | Identified genes | Merged and screened genes |
|---|---|---|---|---|
| Gene Ontology | Biological process | GO:0009414 | 167 | 126 |
| Cellular component | GO:0005575 | 148 | ||
| Molecular function | GO:0003674 | 133 | ||
| Trait Ontology | Drought tolerance | GO:0009414, GO:0009819 | 150 | 296 |
| Chlorophyll content | TO:0000495 | 12 | ||
| Stay green trait | TO:0002712 | 2 | ||
| Biochemical trait | TO:0000277 | 2 | ||
| Leaf senescence | TO:0000249, GO:0010150 | 132 | ||
| Growth & development trait | TO:0000357 | 2 | ||
| Environment Ontology | Drought environment | EO:0007404 | 1165 | 1681 |
| Sodium chloride regimen | EO:0007048 | 1193 | ||
| Salt regimen | EO:0007185 | 398 | ||
| Watering regimen | EO:0007383 | 2406 | ||
| Cold temperature regimen | EO:0007174 | 1372 | ||
| Plant structure ontology | Inflorescence | PO:0009049 | 10200 | 98 |
| Tassel inflorescence | PO:0020126 | 32 | ||
| Growth Ontology | Reproductive stage | GRO:0007140 | 2803 | 712 |
| Seedling stage | GRO:0007047 | 9088 | ||
| Booting stage | GRO:0007148 | 286 | ||
| Early-booting stage | GRO:0007149 | 1949 | ||
| Late-booting stage | GRO:0007150 | 1 | ||
| Flowering Stage | GRO:0007151 | 6497 | ||
| Heading stage | GRO:0007044 | 6454 | ||
| Total | 23 | 23 | 11,987 (unique) | 2,224 (unique) |