Table 3.
Comparison group | Gene name | Number of DEGs | Upreg-ulated DEGs | Downreg-ulated DEGs | Description | Biological functions |
---|---|---|---|---|---|---|
GY vs. PY | MYB | 19 | 6 | 13 | MYB TFs | Cell development and anthocyanin pathway |
AP2/ERF | 21 | 6 | 15 | Ethylene-responsive TF | Plant development and stress response | |
bHLH | 13 | 2 | 11 | Basic helix-loop-helix protein | Plant development and substance metabolism | |
Other TFs | 21 | 13 | 8 | |||
In total | 74 | 27 | 47 | |||
GM vs. PM | MYB | 9 | 5 | 4 | MYB TFs | Cell development and anthocyanin pathway |
AP2/ERF | 10 | 10 | 0 | Ethylene-responsive TF | Plant development and stress response | |
bHLH | 8 | 2 | 6 | Basic helix-loop-helix protein | Plant development and substance metabolism | |
Other TFs | 18 | 6 | 7 | |||
In total | 45 | 23 | 17 | |||
GY vs. GM | bHLH | 29 | 4 | 25 | Basic helix-loop-helix protein | Plant development and substance metabolism |
MYB | 33 | 7 | 26 | MYB TFs | Cell development and anthocyanin pathway | |
AP2/ERF | 22 | 11 | 11 | Ethylene-responsive TF | Plant development and stress response | |
WRKY | 18 | 9 | 9 | WRKY DNA-binding protein | Defense responses and plant development | |
HD-ZIP | 8 | 3 | 5 | Homeobox-leucine zipper protein | Photomorphogenesis and fruit ripening | |
MADS-box | 5 | 0 | 5 | MADS-box TFs | Fruit development and ripening | |
Other TFs | 25 | 1 | 24 | |||
In total | 140 | 35 | 105 | |||
PY vs. PM | MYB | 29 | 18 | 11 | MYB TFs | Cell development and anthocyanin pathway |
bHLH | 26 | 7 | 19 | Basic helix-loop-helix protein | Plant development and substance metabolism | |
AP2/ERF | 19 | 12 | 7 | Ethylene-responsive TF | Plant development and stress response | |
WRKY | 15 | 11 | 4 | WRKY DNA-binding protein | Defense responses and plant development | |
HD-ZIP | 10 | 0 | 10 | Homeobox-leucine zipper protein | Photomorphogenesis and fruit ripening | |
HSF | 8 | 7 | 1 | Ethylene-responsive TF | Plant growth, development and stress response | |
HAP | 4 | 0 | 4 | Nuclear TF Y subunit A | Embryonic development and chloroplast biogenesis | |
Other TFs | 30 | 11 | 19 | |||
In total | 141 | 66 | 75 |
GY, “Green Peel” young fruit; PY, “Purple Peel” young fruit; GM, “Green Peel” mature fruit; PM, “Purple Peel” mature fruit. Differentially expressed genes were identified by FDR ≤ 0.001 and absolute value of log2 ratio ≥ 2.