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| Content Provider | Springer Nature Link |
|---|---|
| Author | Yu, John Z. Ulloa, Mauricio Hoffman, Steven M. Kohel, Russell J. Pepper, Alan E. Fang, David D. Percy, Richard G. Burke, John J. |
| Copyright Year | 2014 |
| Abstract | A quantitative trait locus (QTL) mapping was conducted to better understand the genetic control of plant architecture (PA), yield components (YC), and fiber properties (FP) in the two cultivated tetraploid species of cotton (Gossypium hirsutum L. and G. barbadense L.). One hundred and fifty-nine genomic regions were identified on a saturated genetic map of more than 2,500 SSR and SNP markers, constructed with an interspecific recombinant inbred line (RIL) population derived from the genetic standards of the respective cotton species (G. hirsutum acc. TM-1 × G. barbadense acc. 3-79). Using the single nonparametric and MQM QTL model mapping procedures, we detected 428 putative loci in the 159 genomic regions that confer 24 cotton traits in three diverse production environments [College Station F&B Road (FB), TX; Brazos Bottom (BB), TX; and Shafter (SH), CA]. These putative QTL loci included 25 loci for PA, 60 for YC, and 343 for FP, of which 3, 12, and 60, respectively, were strongly associated with the traits (LOD score ≥ 3.0). Approximately 17.7 % of the PA putative QTL, 32.9 % of the YC QTL, and 48.3 % of the FP QTL had trait associations under multiple environments. The At subgenome (chromosomes 1–13) contributed 72.7 % of loci for PA, 46.2 % for YC, and 50.4 % for FP while the Dt subgenome (chromosomes 14–26) contributed 27.3 % of loci for PA, 53.8 % for YC, and 49.6 % for FP. The data obtained from this study augment prior evidence of QTL clusters or gene islands for specific traits or biological functions existing in several non-homoeologous cotton chromosomes. DNA markers identified in the 159 genomic regions will facilitate further dissection of genetic factors underlying these important traits and marker-assisted selection in cotton. |
| Starting Page | 1347 |
| Ending Page | 1367 |
| Page Count | 21 |
| File Format | |
| ISSN | 16174615 |
| Journal | Molecular and General Genetics MGG |
| Volume Number | 289 |
| Issue Number | 6 |
| e-ISSN | 16174623 |
| Language | English |
| Publisher | Springer Berlin Heidelberg |
| Publisher Date | 2014-10-15 |
| Publisher Place | Berlin/Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Cotton (Gossypium spp.) DNA markers Plant architecture (PA) Yield components (YC) Fiber properties (FP) Quantitative trait loci (QTLs) Cell Biology Biochemistry Microbial Genetics and Genomics Plant Genetics & Genomics Animal Genetics and Genomics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Medicine Molecular Biology |
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