Table 1.
NA, Fe, and Zn concentrations in NAS-overexpressing plants.
| Promoter | Gene | Plant | Tissue | NA | Fe | Zn | Tolerance to Fe deficiency |
Ref. |
|---|---|---|---|---|---|---|---|---|
| 35S | HvNAS1 | Soybean | Unpolished seeds | 768.1 ± 82.9 (x4) | 104 ± 9 (x2) | 65 ± 3 (x1.5) | ○ | Nozoye et al., 2014a |
| 35S | HvNAS1 | Sweet potato | Leaves | 339.5 ± 10.6∗ (x9.1) | 52.9 ± 7 (x3) | 16 ± 1.9 (x3) | ○ | Nozoye et al., 2017 |
| 35S | HvNAS1 | Sweet potato | Storage roots | 225.9∗ ± 140.2 (x4.6) | 15.1 ± 4 (x2.1) | 3.5 ± 0.7 (x3.5) | ○ | Nozoye et al., 2017 |
| 35S | HvNAS1 | Tobacco | Leaves | 78.9∗ ± 6 (x8.7) | 3.7∗ ± 0.5 (x5) | 9.6∗ ± 1.9 (x2.3) | nd | Kim et al., 2005 |
| 35S | HvNAS1 | Rice | Polished seeds | 75.8 ± 25.8 (x10.6) | 9 ± 1.3 (x2) | 45 ± 3.5 (x1.5) | nd | Masuda et al., 2009 |
| OsActin1 | HvNAS1 | Rice | Leaves | 24.3∗ ± 0.8 (x16) | 170 ± 5 (x1) | 25 ± 0.5 (x1) | nd | Masuda et al., 2009 |
| OsActin1 | HvNAS1 | Rice | Polished seeds | 30.3 ± 1.5 (x5.1) | 6 ± 2.5 (x1) | 37 ± 2.5 (x1) | nd | Masuda et al., 2009 |
| 35Sx2 | OsNAS1 | Rice | Unpolished seeds | 96 to 115 (x6.4) | 25 to 56 (x2.4) | 40 to 59 (x1.9) | nd | Johnson et al., 2011 |
| 35Sx2 | OsNAS2 | Rice | Unpolished seeds | 152 to 168 (x9.3) | 19 to 81 (x3.5) | 30 to 95 (x2.5) | nd | Johnson et al., 2011 |
| 35Sx2 | OsNAS3 | Rice | Unpolished seeds | 174 to 210 (x11.7) | 21 to 63 (x2.7) | 30 to 79 (x2.1) | nd | Johnson et al., 2011 |
| Maize ubiquitin promoter |
OsNAS1 | Rice | Leaves | 400 ± 50 (x6.7) | 28 ± 5 (x2.3) | 120 ± 5 (x5.5) | nd | Zheng et al., 2010 |
| Rice glutelin B1 promoter | OsNAS1 | Rice | Unpolished seeds | 41 to 65 (x5.2) | 15.24 to 18.6 (x1.5) | 31.74 to 36.99 (x2.3) | nd | Zheng et al., 2010 |
| Rice glutelin B1 promoter | OsNAS1 | Rice | Polished seeds | 23.5 to 47 (x8.2) | 5 (x1) | 27.05 to 29.07 (x2.3) | nd | Zheng et al., 2010 |
| Rice glutelin B1 promoter | OsNAS1 | Rice | Leaves | 60 ± 5 (x1) | 18 ± 2 (1.8) | 30 ± 2 (x1.9) | nd | Zheng et al., 2010 |
| Average | 186.3 (7.6) | 45.0 (2.2) | 46.4 (2.3) |
Concentrations in μg/g field weight (FW) or μg/g dry weight (DW) are indicated with or without asterisks, respectively. Values inside parentheses represent the fold change in non-transgenic plants. nd, not determined; ref, reference.