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| Content Provider | Springer Nature Link |
|---|---|
| Author | Ahmadi, ur Dellerme, Sabine Laplaze, Laurent Guermache, Fathia Auguy, Florence Duhoux, Emile Bogusz, Didier Guiderdoni, Emmanuel Franche, Claudine |
| Copyright Year | 2003 |
| Abstract | A chimeric gene consisting of the β-glucuronidase (gusA) reporter gene under the control of the metallothionein-like promoter cgMT1 from the tropical tree Casuarina glauca was introduced into Nicotiana tabacum via Agrobacterium tumefaciens and into Oryza sativa by particle bombardment. The strongest histochemical staining for GUS activity was observed in the root system of the transgenic plants, and especially in lateral roots. In contrast, a relatively low level of reporter gene expression was seen in the aerial tissues and GUS staining was located mainly in the plant vascular system. The average ratio of GUS activity between root and leaf was found to be 13:1 in tobacco and 1.5:1 in rice. The pattern of cgMT1 promoter activity in floral organs was found to be different in tobacco and rice. High levels of gusA gene expression were detected in the ovules, pollen grains and tapetum, whereas in rice PcgMT1 directs expression to the vascular system of the floral organs. These results suggest that PcgMT1 is potentially useful in molecular breeding to express genes of interest whose products are preferentially needed in roots. |
| Starting Page | 271 |
| Ending Page | 281 |
| Page Count | 11 |
| File Format | |
| ISSN | 09628819 |
| Journal | Transgenic Research |
| Volume Number | 12 |
| Issue Number | 3 |
| e-ISSN | 15739368 |
| Language | English |
| Publisher | Kluwer Academic Publishers |
| Publisher Date | 2003-01-01 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Human Genetics Plant Sciences Animal Anatomy / Morphology / Histology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Animal Science and Zoology Biotechnology Agronomy and Crop Science |
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