Abstract
We document isolation and characterization of 13 tri- and tetranucleotide microsatellite DNA markers in brook trout (Salvelinus fontinalis). These markers displayed moderate to high levels of allelic diversity (averaging 20.5 alleles/locus) and heterozygosity (averaging 53.5%) in a range-wide survey of more than 13,000 fish. A comparison of two geographically proximal populations located on opposite sides of the eastern continental divide in Maryland, USA, found no deviations from Hardy-Weinberg equilibrium and minimal linkage disequilibrium. Microsatellite markers developed for S. fontinalis yielded sufficient genetic diversity to: (1) produce unique multilocus genotypes; (2) elucidate phylogeographic structure; and (3) provide unique demographic perspectives of population sizes and historical demographics. This suite of markers also provided considerable cross-species amplification utility among related salmonids.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 539-543 |
| Number of pages | 5 |
| Journal | Conservation Genetics Resources |
| Volume | 4 |
| Issue number | 3 |
| DOIs | |
| State | Published - Sep 2012 |
All Science Journal Classification (ASJC) codes
- Ecology, Evolution, Behavior and Systematics
- Genetics
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