Table 2 Comparison on mechanisms of Fe/Cd detoxicfication in rice
Mechanisms | Fe | Cd | References |
|---|---|---|---|
Cellular sequestration | Â | Â | Â |
Storage sites | Vacuole in the flag leaves and sheaths | Vacuole in the root cells and leaves | Choppala et al. 2014; Pich et al. 2001; |
Chemical forms | Fe(II)-NA | Cd-PC | Takahashi et al. 2012a; |
Mediated transporters | OsVIT1/2 | OsHMA3 | Zhang et al. 2012 |
Location of transporters | Tonoplast | Tonoplast | Â |
Combination of Fe/Cd and organics | Â | Â | Â |
Storage sites | Chloroplast or embryo in the leaves and seeds | Cell wall in the roots and leaves | Ravet et al. 2009; Xiong et al. 2009 |
Chemical forms | Fe-Ferritin | Cd-Pectin and Cd-Hemicellulose | Â |