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| Content Provider | Springer Nature Link |
|---|---|
| Author | Allen, M. S. Ferguson, M. M. Danzmann, R. G. |
| Copyright Year | 2013 |
| Abstract | We examined the distribution of alleles at 63 microsatellite loci distributed across 29 linkage groups in broodstock females from a commercial population of rainbow trout spawning on different dates throughout the season (August to January). A total of 368 females, 184 and 117 females from each of the tail-ends of the spawning distribution and a subsample of 67 females spawning in the middle, were used to detect marker–trait associations. Twenty-one loci in a subset of genomic regions (RT-5, 7, 8, 10, 12, 14, 15, 22, 23, 24, 25, 29, 30, and 31) were significantly associated with variation in spawning date. Many of these markers localize to regions with known spawning date quantitative trait loci based on previous studies. An individual assignment analysis was used to test how well the molecular data could be used to assign individuals to their correct spawning group, and markers were given a ranking reflecting their contribution to the accuracy of assignment. The top 15 ranked markers were successful at assigning the majority of females to the correct spawning group based on genotype with an average accuracy of 76 %. The most likely genes that could contribute to these differences in spawning date are discussed. Together, these data indicate that the loci could be incorporated into a selection index with phenotype data to increase the accuracy of selection for spawning date. |
| Starting Page | 289 |
| Ending Page | 298 |
| Page Count | 10 |
| File Format | |
| ISSN | 14362228 |
| Journal | Marine Biotechnology |
| Volume Number | 16 |
| Issue Number | 3 |
| e-ISSN | 14362236 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2013-10-11 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Life history Circadian genes Marker–trait associations Salmonid fishes Freshwater & Marine Ecology Microbiology Zoology Engineering |
| Content Type | Text |
| Resource Type | Article |
| Subject | Aquatic Science Biotechnology |
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