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| Content Provider | Springer Nature Link |
|---|---|
| Author | Chen, Lin Zhao, Xiufeng Ding, Chengqiang Wang, Shaohua Ding, Yanfeng |
| Copyright Year | 2014 |
| Abstract | Fe is an essential mineral element that plants need for their growth. When there is low soil availability of Fe, plants show severe deficiency symptoms. Under Fe-deficiency conditions, plants alter a number of processes to acquire Fe from soil. Genes involved in these mechanisms have been identified from different model plants, including Arabidopsis and rice. Fe transport within plants is also tightly regulated. In this study, we used H9405, a cultivar of rice with high Fe accumulation in seeds, and Yangdao 6, a cultivar with low seed Fe accumulation, to study their responses under different Fe conditions. Our results showed that genes involved in acquisition of Fe from soil in these two cultivars were both up-regulated in roots under Fe-deficiency conditions, and the elevation of the expression was much higher in Yangdao 6 than in H9405. However, remobilization-related genes in shoot vasculature were expressed in an opposite way between the two cultivars. In H9405, the expression of these genes was up-regulated; but in Yangdao 6, their expression was reduced. Our results showed that the differential expression of root-uptake and shoot-remobilization genes in the two cultivars is correlated to the Fe content in roots, shoots, and seeds. Strategies to biofortify rice cultivars with different characteristics were also discussed based on our discovery. |
| Starting Page | 769 |
| Ending Page | 777 |
| Page Count | 9 |
| File Format | |
| ISSN | 07217595 |
| Journal | Journal of Plant Growth Regulation |
| Volume Number | 33 |
| Issue Number | 4 |
| e-ISSN | 14358107 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2014-05-11 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Rice (Oryza sativa) Fe deficiency Gene expression Shoot Root Response Plant Sciences Plant Anatomy/Development Plant Physiology Agriculture |
| Content Type | Text |
| Resource Type | Article |
| Subject | Plant Science Agronomy and Crop Science |
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