Table 1.
Significant KEGG pathways (corrected P-value ≤0.01) of differentially expressed genes (DEGs) in ‘Zibao’ peel and female flower tissues following light deprivation
| Pathway | DEGs with pathway annotationa | All genes with pathway annotation | P-value | Corrected P-value | Pathway ID |
|---|---|---|---|---|---|
| T4-P vs. T4-F | |||||
| 1 Flavonoid biosynthesis | 18 | 52 | 3.39E-20 | 4.34E-18 | ko00941 |
| 2 Phenylpropanoid biosynthesis | 16 | 182 | 5.70E-10 | 3.65E-08 | ko00940 |
| 3 Ubiquinone and other terpenoid-quinone biosynthesis | 9 | 78 | 4.39E-07 | 1.87E-05 | ko00130 |
| 4 Drug metabolism - cytochrome P450 | 7 | 89 | 8.44E-05 | 0.002306851 | ko00982 |
| 5 Phenylalanine metabolism | 7 | 90 | 9.01E-05 | 0.002306851 | ko00360 |
| 6 Circadian rhythm - plant | 5 | 41 | 0.000136246 | 0.00249136 | ko04712 |
| 7 Stilbenoid, diarylheptanoid and gingerol biosynthesis | 4 | 28 | 0.000379383 | 0.006070124 | ko00945 |
| 8 Metabolism of xenobiotics by cytochrome P450 | 6 | 88 | 0.000557625 | 0.007930668 | ko00980 |
| T4-P vs. LD-P | |||||
| 1 Flavonoid biosynthesis | 22 | 52 | 2.61E-11 | 6.96E-09 | ko00941 |
| 2 Phenylpropanoid biosynthesis | 28 | 182 | 9.31E-06 | 0.001243105 | ko00940 |
| 3 Protein processing in endoplasmic reticulum | 38 | 318 | 5.05E-05 | 0.002694049 | ko04141 |
| 4 Plant hormone signal transduction | 29 | 227 | 0.000135188 | 0.006015865 | ko04075 |
| T4-F vs. LD-F | |||||
| 1 Protein processing in endoplasmic reticulum | 36 | 318 | 4.70E-06 | 0.000872223 | ko04141 |
| 2 Plant hormone signal transduction | 28 | 227 | 1.28E-05 | 0.000872223 | ko04075 |
T4-P peel at stage T4, T4-F female flower tissue at stage T4, LD-P stage 4 peel following light-deprivation treatment, LD-F stage 4 female flower tissue following light-deprivation treatment
a FDR < 0.05 and absolute value of log2 ratio ≥ 2 (2-fold) as the threshold