Table 2.
The regulation of the transcription factors to the plant sterols synthesis in plants.
| Transcription Factor (TF) | TF Source | Plant | Regulation Type | Structural Gene | References |
|---|---|---|---|---|---|
| WsWRKY1 | Withania somnifera | Withania somnifera | Positive | HMGS, HMGR, SQS, SQE, CAS, C14-R, DWF1, 7DR-1, SSR1, and CYP710A1 | [126] |
| WsWRKY1 | Withania somnifera | Nicotiana tabacum | Positive | HMGR, FPPS, SQS SQE, CAS, SMT1, and CYP51 | [126] |
| WsWRKY1 | Withania somnifera | Solanum lycopersicum | Positive | SQS and SQE | [127] |
| PqWRKY1 | Panax quinquefolius | Arabidopsis thaliana | Positive | HMGR, SQS1, and SQE2 | [128] |
| WsMYC2 | Withania somnifera | Tripterygium wilfordii | Positive | CYP710A and CAS | [129] |
| TwMYC2a/TwMYC2b | Tripterygium wilfordii | Tripterygium wilfordii | Negative | HMGR1 | [130] |
| ERF4 | Solanum lycopersicum | Solanum lycopersicum | Positive | Nearly all genes of the cholesterol biosynthesis | [131] |