Table 2.
Gene families involved in As uptake, transport and metabolism in rice.
| Name | Category | As species | Remarks | Reference |
|---|---|---|---|---|
| OsPT1 | P transporter | AsV | AsV transporter to root | [57] |
| OsPT2 | P transporter | AsV | AsV transporter root to shoot | [57] |
| OsNIP2;1 (Lsi1) | NIPs | AsIII, DMA, MMA | AsIII, DMA and MMA transporter to root | [63] |
| OsNIP2;2 (Lsi2) | ||||
| OsNIP1;1 | ||||
| OsNIP3;1 | ||||
| OsNIP3;2 | ||||
| OsNIP3;3 | ||||
| OsPIP1;2 | PIP (plasma membrane intrinsic protein) | AsIII | AsIII transport root to shoot | [65] |
| OsPIP1;3 | ||||
| OsPIP2;4 | ||||
| OsPIP2;6 | ||||
| OsPIP2;7 | ||||
| OsNRAMP1 | NRAMP (natural resistance-associated macrophage protein) | AsIII | AsIII transport root to shoot | [5] |
| OsHAC1;1 | NIPs | DMA, MMA, AsV | DMA and MMA transporter to root | [63] |
| OsHAC1;2 | AsV reduction to AsIII in root | |||
| OsHAC4 | ||||
| OsNPF8;1 (OsPTR7) | Putative Peptide Transporter | DMA | Translocation of DMA in plant, including xylem, phloem and grains | [62] |
| OsABCC1 | ATP-binding cassette transporter | As | Detoxifying | [66] |