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| Content Provider | Springer Nature Link |
|---|---|
| Author | Chen, Fanguo Zhao, Feng Liu, Shuwei Xia, Guangmin |
| Copyright Year | 2009 |
| Abstract | A PCR-based strategy was applied to obtain the DNA sequence of γ-gliadin open reading frames present in line II-12, a derivative from a somatic hybrid between bread wheat (Triticum aestivum L.) cv. Jinan177 and tall wheatgrass (Lophopyrum ponticum, 10×). A total 50 analysable sequences were obtained, 18 from II-12 and 16 each from the parents. Amplicon length ranged from 720 to 936 bp, corresponding to a putative mature protein of 239–309 residues. The primary structure of these putative proteins comprised five domains, of which only two varied in length. Phylogenetic analyses showed that the mature γ-gliadin sequences fell into four major clades. Group 1 contained sequences shared between II-12 and L. ponticum, suggesting that some L. ponticum γ-gliadin genes are present in the introgression line. Group 3 has five Jinan177 and five II-12 sequences, indicating that II-12 also carries wheat versions of Gli-1. Group 2 and 4 comprised four and two II-12, three and one Jinan177 as well as one and four L. ponticum sequences, respectively. Fewer genes encoding coeliac disease epitopes were present in II-12 than in the wheat donor parent. Three II-12 γ-gliadins and one from the wheat parent contained an odd number of cysteine residues, and two of them had an additional cysteine residue at the amino end of domain V. The possible use of II-2 for improving quality of bread wheat is discussed. |
| Starting Page | 117 |
| Ending Page | 126 |
| Page Count | 10 |
| File Format | |
| ISSN | 13803743 |
| Journal | Molecular Breeding |
| Volume Number | 24 |
| Issue Number | 2 |
| e-ISSN | 15729788 |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2009-03-14 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Triticum aestivum Lophopyrum ponticum Somatic hybrid introgression line γ-Gliadin Wheat breeding 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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