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| Content Provider | Springer Nature Link |
|---|---|
| Author | Kim, Yun Hee Lim, Soon Yang, Kyoung Sil Kim, Cha Young Kwon, Suk Yoon Lee, Haeng Soon Wang, Xin Zhou, Zhilin Ma, Daifu Yun, Dae Jin Kwak, Sang Soo |
| Copyright Year | 2009 |
| Abstract | Transgenic sweetpotato (Ipomoea batatas L. cv. Yulmi) plants expressing the Arabidopsis nucleoside diphosphate kinase 2 (AtNDPK2) gene under the control of an oxidative stress–inducible peroxidase (SWPA2) promoter (referred to as SN plants) were developed and evaluated for enhanced tolerance of SN plants under various abiotic stress conditions. The level of AtNDPK2 expression and NDPK activity in SN plants following methyl viologen (MV) treatment was positively correlated with the plant’s tolerance to MV. Interestingly, we observed that antioxidant enzyme activities such as peroxidase, ascorbate peroxidase, and catalase increased in MV-treated SN plants. In addition, SN plants showed enhanced tolerance to cold, high salinity, and drought stresses by an increase in the activity of H$_{2}$O$_{2}$ scavenging enzymes. These results indicate that overexpression of AtNDPK2 in sweetpotato might efficiently modulate oxidative stress from various environmental stresses. |
| Starting Page | 233 |
| Ending Page | 244 |
| Page Count | 12 |
| File Format | |
| ISSN | 13803743 |
| Journal | Molecular Breeding |
| Volume Number | 24 |
| Issue Number | 3 |
| e-ISSN | 15729788 |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2009-05-05 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | H$_{2}$O$_{2}$ scavenging enzyme Nucleoside diphosphate kinase 2 Oxidative stress Peroxidase promoter Sweetpotato Biotechnology Plant Physiology Plant Sciences Plant Pathology Plant Genetics & Genomics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Plant Science Molecular Biology Biotechnology Agronomy and Crop Science |
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