Table 3.
Genes encoding ATP-Binding Cassette (ABC) for Cd transport in plants.
| Plant Species | Genes | Expression Sites | Subcellular Location | Function | References |
|---|---|---|---|---|---|
| Arabidopsis thaliana | AtABCC1 | - | Tonoplast | Cd sequestration | [92] |
| AtABCC2 | - | Tonoplast | Cd sequestration | [92] | |
| AtABCC3 | - | - | Cd sequestration | [94] | |
| AtMRP6/AtABCC6 | Xylem-opposite pericycle cells where lateral roots initiate | - | [95] | ||
| AtMRP7 | - | Plasma membrane and tonoplast | Cd sequestration | [96] | |
| AtPDR8 | Root epidermal cells | Plasma membrane | Cd efflux | [91] | |
| AtATM3 | Roots | Mitochondrial membrane | - | [90,97] | |
| Oryza sativa L. | OsABCC9 | Root stele | Tonoplast | Cd sequestration | [98] |
| OsABCG36 | Roots | Plasma membrane | Cd efflux | [99] | |
| OsABCG43 | Roots | - | Cd sequestration | [100] | |
| OsABCG48 | - | - | - | [101] | |
| Triticum aestivum | TaABCC13 | - | - | Cd uptake and transport | [102] |
| Rehmannia glutinosa | RgABCC1 | Roots | - | - | [103] |
| Populus tomentosa | PtoABCG36 | Roots | Plasma membrane | Cd efflux | [104] |