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| Content Provider | Springer Nature Link |
|---|---|
| Author | Zhang, Man Li, Kai Zhang, Chunhong Gai, Junyi Yu, Deyue |
| Copyright Year | 2008 |
| Abstract | 1-Deoxy-d-xylulose-5-phosphate synthase (DXS) catalyses the first committed step of the 2C-methyl-d-erythritol-4-phosphate (MEP) pathway, which is an alternative isoprenoids biosynthetic route that has been recently discovered. In this work, a DXS1-like cDNA (GmDXS1) was isolated from soybean. The full-length cDNA of GmDXS1 encoded 708 amino acid residues with a predicted molecular mass of 76.4 KD. Sequence alignment showed that GmDXS1 had high homology to known DXS proteins from other plant species and contained the conserved N-terminal plastid transit peptide, the N-terminal thiamine binding domain and pyridine binding DRAG domain. Phylogenetic analysis indicated that GmDXS1 belonged to the plant DXS1 cluster. Southern blot analysis indicated that a single copy of GmDXS1 gene existed in soybean genome. Tissue expression analysis revealed that GmDXS1 expressed in all photosynthetic tissues except pod walls and roots. Green fluorescence analysis with the fusion protein 35S:GmDXS1:GFP suggested that GmDXS1 was localized in plastid. The relatively higher photosynthetic pigment content in transgenic tobacco leaves compared to the control implied that GmDXS1 catalyzed the first potential regulatory step in photosynthetic pigment biosynthesis via the MEP pathway. |
| Starting Page | 879 |
| Ending Page | 887 |
| Page Count | 9 |
| File Format | |
| ISSN | 03014851 |
| Journal | Molecular Biology Reports |
| Volume Number | 36 |
| Issue Number | 5 |
| e-ISSN | 15734978 |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2008-04-25 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | 1-Deoxy-d-xylulose-5-phosphate synthase 2C-methyl-d-erythritol-4-phosphate (MEP) pathway Gene cloning Glycine max (L.) Merr. Transgenic tobacco Animal Biochemistry Animal Anatomy / Morphology / Histology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Medicine Molecular Biology |
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