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| Content Provider | Springer Nature Link |
|---|---|
| Author | Jung, Hyungtaek Lyons, Russell E. Li, Yutao Thanh, Nguyen Minh Dinh, Hung Hurwood, David A. Salin, Krishna R. Mather, Peter B. |
| Copyright Year | 2013 |
| Abstract | A candidate gene approach using type I single nucleotide polymorphism (SNP) markers can provide an effective method for detecting genes and gene regions that underlie phenotypic variation in adaptively significant traits. In the absence of available genomic data resources, transcriptomes were recently generated in Macrobrachium rosenbergii to identify candidate genes and markers potentially associated with growth. The characterisation of 47 candidate loci by ABI re-sequencing of four cultured and eight wild samples revealed 342 putative SNPs. Among these, 28 SNPs were selected in 23 growth-related candidate genes to genotype in 200 animals selected for improved growth performance in an experimental GFP culture line in Vietnam. The associations between SNP markers and individual growth performance were then examined. For additive and dominant effects, a total of three exonic SNPs in glycogen phosphorylase (additive), heat shock protein 90 (additive and dominant) and peroxidasin (additive), and a total of six intronic SNPs in ankyrin repeats-like protein (additive and dominant), rolling pebbles (dominant), transforming growth factor-β induced precursor (dominant), and UTP-glucose-1-phosphate uridylyltransferase 2 (dominant) genes showed significant associations with the estimated breeding values in the experimental animals (P = 0.001 − 0.031). Individually, they explained 2.6 − 4.8 % of the genetic variance (R 2 = 0.026 − 0.048). This is the first large set of SNP markers reported for M. rosenbergii and will be useful for confirmation of associations in other samples or culture lines as well as having applications in marker-assisted selection in future breeding programs. |
| Starting Page | 161 |
| Ending Page | 180 |
| Page Count | 20 |
| File Format | |
| ISSN | 14362228 |
| Journal | Marine Biotechnology |
| Volume Number | 16 |
| Issue Number | 2 |
| e-ISSN | 14362236 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2013-10-15 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Macrobrachium rosenbergii Transcriptome ABI re-sequencing Growth-related candidate genes SNPs Associations Estimated breeding values Freshwater & Marine Ecology Microbiology Zoology Engineering |
| Content Type | Text |
| Resource Type | Article |
| Subject | Aquatic Science Biotechnology |
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