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| Content Provider | Springer Nature Link |
|---|---|
| Author | Ma, Ying Wang, Da Gang Li, Hai Chao Zheng, Gui Jie Yang, Yong Qing Li, Hua Wei Zhi, Hai Jian |
| Copyright Year | 2011 |
| Abstract | Soybean mosaic virus (SMV) disease is one of the most destructive soybean (Glycine max (L.) Merr.) diseases worldwide, causing yield losses and significant deterioration in seed quality. ‘Qihuang No.1’ has a wide resistance spectrum and is extensively used in breeding programs in China. The dominant SMV resistance gene R SC14Q from the cultivar Qihuang No.1 was previously mapped to a 4.2 cM region on soybean chromosome 13 (formerly linkage group (LG) F). Fine mapping of R SC14Q is essential for high efficiency of marker-assisted selection (MAS) and its map-based cloning. Residual heterozygous lines (RHLs) derived from a soybean recombinant inbred line (RIL) were used to fine map R SC14Q . The RILs were obtained from a cross between ‘Qihuang No.1’ (resistant) and ‘Nannong1138-2’ (susceptible). The genomic sequence in an approximately 6 cM interval between the markers Satt334 and Sct_033 flanking R SC14Q was used to develop five simple sequence repeats and two InDel markers. Linkage analysis between inoculation phenotype and genetic markers localized R SC14Q to the interval between Satt334 and MY750, with genetic distances of 0.6 and 0.5 cM, respectively, corresponding to a physical distance on the ‘Williams 82’ draft assembly (Glyma1.13) of 1.18 Mb. Based on the genes sequences in the R SC14Q locus region with predicted functions for resistance, one SNP marker, MY525, was developed between Satt334 and MY750. Thus, the genomic region containing the R SC14Q was further narrowed to a 616 kb interval. |
| Starting Page | 127 |
| Ending Page | 135 |
| Page Count | 9 |
| File Format | |
| ISSN | 00142336 |
| Journal | Euphytica |
| Volume Number | 181 |
| Issue Number | 1 |
| e-ISSN | 15735060 |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2011-06-08 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Fine mapping Resistance gene Soybean mosaic virus (SMV) Residual heterozygous line (RHL) Plant Sciences Plant Physiology Biotechnology Plant Pathology Plant Genetics & Genomics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Plant Science Horticulture Agronomy and Crop Science |
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