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| Content Provider | Springer Nature Link |
|---|---|
| Author | Wang, Ji Rui Wei, Yu Ming Yan, Ze Hong Zheng, You Liang |
| Copyright Year | 2007 |
| Abstract | This study characterizes 80 dimeric α-amylase inhibitor genes from 68 accessions of the einkorn wheats Triticum urartu, T. boeoticum, and T. monococcum. The mature protein coding sequences of WDAI genes were analyzed. Nucleotide sequence variations in these regions resulted from base substitution and/or indel mutations. Most of the WDAI gene sequences from T. boeoticum and all sequences from T. monococcum had one nucleotide insertion in the coding region, such that these α-amylase inhibitor sequences could not encode the correct mature proteins. We identified 21 distinct haplotypes from the diploid wheat WDAI gene sequences. A main haplotype was found in 15 gene samples from the Au genome and 35 gene samples from the Am genome. The T. monococcum and T. boeoticum accessions shared the same main haplotype, with 25 samples from T. monococcum and 10 from T. boeoticum. The WDAI gene sequences from the Au and Am genomes could be obviously clustered into two clades, but the sequences from the Am genome of T. boeoticum and T. monococcum could not be clearly distinguished. The phylogenetic analysis revealed that the WDAI gene sequences from the Am genome had accumulated fewer variations and evolved at a slower rate than the sequences from the Au genome. Although some accessions from only one or two areas had unique mutations at the same position, the diversity of WDAI gene sequences in diploid wheat showed little relationship to the origin of the accessions. |
| Starting Page | 803 |
| Ending Page | 814 |
| Page Count | 12 |
| File Format | |
| ISSN | 00062928 |
| Journal | Biochemical Genetics |
| Volume Number | 45 |
| Issue Number | 11-12 |
| e-ISSN | 15734927 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2007-10-11 |
| Publisher Place | Boston |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Diploid wheat Phylogenetic analysis Haplotype Single nucleotide polymorphism Medical Microbiology Zoology Biochemistry Human Genetics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Medicine Biochemistry Molecular Biology Ecology, Evolution, Behavior and Systematics |
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