Table 3.
List of genes encoding TFs manipulated to enhance oil yield and/or change the FA composition in seeds.
| Gene | Gene source | Target species | Strategy | Effect in seed oil content | Effect in fatty Acid composition | References |
|---|---|---|---|---|---|---|
| ABI3 | A. thaliana | A. thaliana | Down-regulation | ↘ seed oil content by up to 30% | ↘ C20:1 | (Yang et al., 2022) |
| Down-regulation | ↘ seed oil content by up to 42% | ↘ C16:0, C16:1, C18:0, C18:1, C18:2, C18:3, C20:0, C20:1, C22:0, C22:1 | (Roscoe et al., 2015) | |||
| Dof1 | G. hirsutum | G. hirsutum | Over-expression | ↗ seed oil content by 16% | (Su et al., 2017) | |
| DREBL | G. max | A. thaliana | Over-expression | ↗ seed oil content by 10% | ↗ C18:1, C18:2, C18:3, C20:1 | (Zhang et al., 2016) |
| FUS3 | B. napus | B. napus | Down-regulation | ↘ seed oil content by up to 12% | ↗ C18:2 | (Elahi et al, 2015) |
| A. thaliana | A. thaliana | Down-regulation | ↘ seed oil content by up to 67% | ↘ C16:0, C16:1, C18:0, C18:1, C18:2, C18:3, C20:0, C20:1, C22:0, C22:1 | (Roscoe et al., 2015) | |
| GLABRA2 (GL2) | A. thaliana | A. thaliana | Down-regulation | ↗ seed oil content by 7% | (Shi et al., 2012) | |
| GRF2 | B. napus | A. thaliana | Over-expression | ↗ seed oil content by 48% | (Liu et al., 2012) | |
| LEC1 | Z. mays | Z. mays | Over-expression | ↗ seed oil content by 48% | (Shen et al., 2010) | |
| B. napus | B. napus | Over-expression | ↗ seed oil content by 2% | ↗ C16:0, C18:0, C18:2, C18:3; ↘ C18:1 | (Tan et al., 2011) | |
| Z. mays | A. thaliana | Over-expression | ↗ seed oil by 20% | (Zhu et al., 2018) | ||
| C. sativa | Over-expression | ↗ seed oil by more than 26% | (Zhu et al., 2018) | |||
| B. napus | B. napus | Over-expression | ↘ seed oil content by up to 16% | ↗ C18:1, C18:3; ↘ C16:0 | (Elahi et al., 2016) | |
| Down-regulation | ↘ seed oil content by up to 12% | no significant difference | (Elahi et al., 2016) | |||
| A. thaliana | A. hypogea | Over-expression | ↗ seed oil by up to 16% | ↗ C18:1, C18:2, C18:3, C20:1; ↘ C16:0, C18:0 | (Tang et al., 2018) | |
| LEC2 | G. max | A. thaliana | Over-expression | ↗ seed oil content by 34% | ↗ C18:0, C18:1; ↘ C16:0, C18:2, C20:1 | (Manan et al., 2017) |
| L1L | B. napus | B. napus | Over-expression | ↗ seed oil content by 16% | ↗ C16:0, C18:0, C18:2, C18:3; ↘ C18:1 | (Tan et al., 2011) |
| MED15 | A. thaliana | A. thaliana | Over-expression | ↗ seed oil content by up to 15% | ↘ C20:1 | (Kim et al., 2016) |
| Down-regulation | ↘ seed oil content by up to 30% | ↘ C18:2; ↗ C18:3, C20:0 | (Kim et al., 2016) | |||
| MIF1 | A. thaliana | A. thaliana | Over-expression | ↗ seed oil content by 13% | ↗ C18:1, C20:0, C20:1; ↘ C18:3, C20:2, C20:3 | (Cheng et al., 2021) |
| Down-regulation | no significant difference | no significant difference | (Cheng et al., 2021) | |||
| MYB1 | J. curcas | A. thaliana | Over-expression | ↗ seed oil content by up to 28% | ↗ C18:3, C20:1; ↘ C18:1 | (Khan et al., 2019) |
| MYB115 or MYB118 | A. thaliana | A. thaliana | Down-regulation | ↘ Total omega-7 fatty acids | (Troncoso-Ponce et al., 2016) | |
| MYB89 | A. thaliana | A. thaliana | Down-regulation | ↗ seed oil content by up to 30% | ↗ C16:0, C18:0, C18:1, C18:2; C18:3; C20:0; C20:1, C22:1 | (Li et al., 2017) |
| MYB96 | C. sativa | C. sativa | Over-expression | ↗ seed oil content by up to 21% | (Kim et al., 2019) | |
| Down-regulation | ↘ seed oil content by up to 15% | ↘ C16:0, C18:0, C18:2, C18:3, C20:1, C20:2 | (Lee et al., 2018) | |||
| WRI1 | A. thaliana | L. campestre | Over-expression | ↗ seed oil by up to 16% in T3 seeds | ↘ C18:1, C18:2, C20:1, C22:1 | (Ivarson et al., 2017) |
| B. napus | A. thaliana | Over-expression | ↗ seed oil by 10–40% | (Liu et al., 2010) | ||
| A. thaliana | C. sativa | Over-expression | ↗ seed oil by 8-31% | ↗ C18:2, C18:3; ↘ C18:1, C20:1 | (An and Suh, 2015) | |
| Z. mays | Z. mays | Over-expression | ↗ seed oil by 9% | ↗ C16:0, C18:0, C18:1, C18:3; ↘ C9:0, C10:0 | (Pouvreau et al., 2011) | |
| G. max | G. max | Over-expression | ↗ seed oil content by up to 13% | ↗ C18:1, C18:2 | (Chen et al., 2018) | |
| C. nucifera | A. thaliana | Over-expression | ↗ seed oil content by up to 20% | ↗ C16:0, C18:0, C18:1; ↘ C20:1 | (Sun et al., 2017) | |
| C. nucifera | O. sativa | Over-expression | ↗ seed oil content by up to 7% | ↗ C16:0, C18:3; ↘ C18:1 | (Sun et al., 2017) | |
| Z. mays | Z. mays | Over-expression | ↗ seed oil by 46% | no significant difference | (Shen et al., 2010) | |
| H. annuus | A. thaliana | Over-expression | ↗ seed oil by 40% | (Lim et al., 2022) | ||
| A. thaliana | A. thaliana | Down-regulation | ↘ seed oil content by up to 33% | ↗ C18:3, C22:1; ↘ C18:1, C18:2, C20:1 | (Baud et al., 2007) | |
| WRKY6 | A. thaliana | A. thaliana | Down-regulation | ↗ seed oil content by 25-27% | ↗ C18:3, C20:0; ↘ C18:2 | (Song et al., 2020) |