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| Content Provider | Springer Nature Link |
|---|---|
| Author | Berrin, Jean Guy Pierrugues, Olivier Brutesco, Catherine Alonso, Béatrice Montillet, Jean Luc Roby, Dominique Kazmaier, Michael |
| Copyright Year | 2005 |
| Abstract | A novel Arabidopsis thaliana gene (AtNADK-1) was identified based on its response to radiation and oxidative stress. Levels of AtNADK-1 mRNA increase eight-fold following exposure to ionising radiation and are enhanced three-fold by treatment with hydrogen peroxide. The gene also appears to be differentially regulated during compatible and incompatible plant-pathogen interactions in response to Pseudomonas syringae pv. tomato. The full-length AtNADK-1 cDNA encodes a 58-kDa protein that shows high sequence homology to the recently defined family of NAD(H) kinases. Recombinant AtNADK-1 utilises ATP to phosphorylate both NAD and NADH, showing a two-fold preference for NADH. Using reverse genetics, we demonstrate that AtNADK-1 deficient plants display enhanced sensitivity to gamma irradiation and to paraquat-induced oxidative stress. Our results indicate that this novel NAD(H) kinase may contribute to the maintenance of redox status in Arabidopsis thaliana. |
| Starting Page | 10 |
| Ending Page | 19 |
| Page Count | 10 |
| File Format | |
| ISSN | 16174615 |
| Journal | Molecular and General Genetics MGG |
| Volume Number | 273 |
| Issue Number | 1 |
| e-ISSN | 16174623 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2005-02-15 |
| Publisher Place | Berlin/Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Ionising radiation Oxidative stress Plant-pathogen interaction NAD(H) phosphorylation T-DNA insertion mutant |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Medicine Molecular Biology |
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