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| 文献 | ||
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| 著者 | Feng H., Fan X., Yan M., Liu X., Miller A.J., Xu G. | |
| タイトル | Multiple roles of nitrate transport accessory protein NAR2 in plants. | |
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Abstract: Two component high affinity nitrate transport system, NAR2/NRT2, has been defined in several plant species. In Arabidopsis, AtNAR2.1 has a role in the targeting of AtNRT2.1 to the plasma membrane. The gene knock out mutant AtNAR2.1 lacks inducible high-affinity transport system (IHATS) activity, it also shows the same inhibition of lateral root (LR) initiation on the newly developed primary roots as the AtNRT2.1 mutant in response to low nitrate supply. In rice, OsNAR2.1 interacts with OsNRT2.1, OsNRT2.2 and OsNRT2.3a to provide nitrate uptake over high and low concentration ranges. In rice roots OsNAR2.1 and its partner NRT2s show some expression differences in both tissue specificity and abundance. Knockdown of OsNAR2.1 suppressed expression of OsMADS (AK241644), a homologous gene of ANR1 involved in the nitrate signaling pathway of lateral root development and resulted in decreased lateral root length despite of nitrate status in the roots. It can be predicted that NAR2 plays multiple roles in addition to being an IHATS component in plants. |
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| 掲載誌 | Plant Signal Behav | |
| Country | China | |
| 刊数 | 6(9) | |
| ページ | 1286-9 | |
| 発刊年 | 2011 | |
| PubMed ID | 21852757 | |
| PubMed Central ID | - | |
| DOI | - | |
| URL | - | |
| 関連情報 | ||
| 遺伝子 | HTNE NAR2.1 NAR2.2 NRT2.1 NRT2.2 NRT2.4 | |
| INSD | - | |
| 系統 |
野生イネ コアコレクション |
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| 突然変異系統(遺伝研 Collection) | - | |
| 種子不稔系統 | - | |
| 致死変異体系統 | - | |
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組織別発生段階 - 突然変異系統(遺伝子) |
- | |
| 栽培イネ品種(遺伝研 Collection) | - | |
| 組織別発生段階 | - | |
