Table 2. Functional categorization of genotype-specific expressed genes.
| Functional groups | Chiifu- specific | Kenshin-specific |
| Chloroplast/mitochondrion | 8 | 2 |
| Developmental processes | 8 | 2 |
| Hydrolase activity | 4 | 3 |
| Ion binding | 0 | 1 |
| Oxidoreductase activity | 1 | 1 |
| Protein phosphorylation | 3 | 6 |
| Protein ubiquitination | 1 | 2 |
| Response to stress | 29 | 3 |
| Transport process | 5 | 2 |
| Other | 9 | 2 |
| Unknown biological processes | 18 | 14 |
| NHF | 48 | 18 |
| Total | 134 | 56 |
Functional classifications were carried out using Arabidopsis GO annotation tool (http://www.arabidopsis.org/tools/bulk/go/index.jsp) based on the Arabidopsis homologues information. NHF, no_hit_found.