Table 1.
List of putative cis-acting elements in the psaD promoter in Chlorella vulgaris.
| No | Name | Sequence | Function |
|---|---|---|---|
| 1 | BRE | GGGCGCC | TFIIB recognition element |
| 2 | CAAT box | GGCAAT CAAT CAAAT |
Common cis-acting element in promoter and enhancer regions |
| 3 | CCAAT box | CAACGG | MYBHv1 binding site |
| 4 | CATT box | GCATTC | Part of light-responsive element |
| 5 | CCCAT motif | CCCAT | Putative core element, sap |
| 6 | CGTCA-motif | CGTCA | MeJA-responsiveness |
| 7 | DPE | GGCACC | Downstream promoter element, requires an Inr |
| 8 | G-box | CACGTG | cis-acting regulatory element involved in light responsiveness |
| 9 | GATA box | GATA | Binding with ASF-2, required for high level, light-regulated, and tissue-specific expression |
| 10 | GT-1 motif | GATAAT GAAAA |
Pathogen- and salt-induced element |
| 11 | Inr | CTCATTCC | Initiator element, core promoter element |
| 12 | MNF1 | GTGCCCTAAAGCTGCA | Light-responsive element |
| 13 | SORLIP1AT/2AT | GCCAC GGGCC |
Light-responsive elements |
| 14 | Sp1 | CCACCC | Light-responsive element |
| 15 | TATA box | TATA | Core promoter element around −30 of transcription start |
| 16 | TGACG-motif | TGACG | MeJA-responsiveness |
| 17 | W box | TGACT TTGAC |
cis-regulatory element, recognized by WRKY transcription factors, stress responsive |
| 18 | 5’ untranslated region (UTR) Py-rich stretch | TTTCTTCTGT | Confers high transcription levels without the need for other upstream cis-acting elements |