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| 文献 | ||
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| 著者 | Liu Q., Dong G.R., Ma Y.Q., Zhao S.M., Liu X., Li X.K., Li Y.J., Hou B.K. | |
| タイトル | Rice Glycosyltransferase Gene <i>UGT85E1</i> Is Involved in Drought Stress Tolerance Through Enhancing Abscisic Acid Response. | |
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Abstract: Drought is one of the most important environmental constraints affecting plant growth and development and ultimately leads to yield loss. Uridine diphosphate (UDP)-dependent glycosyltransferases (UGTs) are believed to play key roles in coping with environmental stresses. In rice, it is estimated that there are more than 200 <i>UGT</i> genes. However, most of them have not been identified as their physiological significance. In this study, we reported the characterization of a putative glycosyltransferase gene <i>UGT85E1</i> in rice. <i>UGT85E1</i> gene is significantly upregulated by drought stress and abscisic acid (ABA) treatment. The overexpression of <i>UGT85E1</i> led to an enhanced tolerance in transgenic rice plants to drought stress, while the <i>ugt85e1</i> mutants of rice showed a more sensitive phenotype to drought stress. Further studies indicated that <i>UGT85E1</i> overexpression induced ABA accumulation, stomatal closure, enhanced reactive oxygen species (ROS) scavenging capacity, increased proline and sugar contents, and upregulated expression of stress-related genes under drought stress conditions. Moreover, when <i>UGT85E1</i> was ectopically overexpressed in Arabidopsis, the transgenic plants showed increased tolerance to drought as well as in rice. Our findings suggest that <i>UGT85E1</i> plays an important role in mediating plant response to drought and oxidative stresses. This work may provide a promising candidate gene for cultivating drought-tolerant crops both in dicots and monocots. |
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| 掲載誌 | Front Plant Sci | |
| Country | China | |
| 刊数 | 12 | |
| ページ | 790195 | |
| 発刊年 | 2021 | |
| PubMed ID | 35003178 | |
| PubMed Central ID | 8733621 | |
| DOI | 10.3389/fpls.2021.790195 | |
| URL | - | |
| 関連情報 | ||
| 遺伝子 | ABA2 ABA4 ABI5 APX2 BZIP23 CATA CATB DREB1A ERA1 ERF32 LEA22 NCED1 RAB16A SODB UGT85E1 | |
| INSD | - | |
| 系統 |
野生イネ コアコレクション |
- |
| 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 | - | |
