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Geo-referenced population-specific microsatellite data across American continents, the MacroPopGen Database
Elizabeth R Lawrence1, Javiera N Benavente2,3, Jean-Michel Matte2
1Department of Biology, Concordia University, 7141 Sherbrooke Street W., Montreal, Quebec, H4B 1R6, Canada. elizabeth-lawrence@outlook.com.
Scientific Data
|April 5, 2019
Summary
The MacroPopGen database synthesizes vertebrate population genetics across the Americas. Caribbean populations show higher genetic differentiation and lower allele diversity compared to mainland populations.
Area of Science:
- Population genetics
- Biodiversity research
- Conservation biology
Background:
- Lack of synthesized nuclear DNA population genetic data for broad-scale diversity comparisons.
- Vertebrate population genetic data across the Americas remains largely uncollated.
Purpose of the Study:
- To create a comprehensive database (MacroPopGen) of vertebrate population genetic data.
- To enable large-scale comparisons of intraspecific diversity and species diversity.
- To analyze genetic differentiation and diversity patterns across geographic regions and taxonomic groups.
Main Methods:
- Collated and geo-referenced nuclear microsatellite DNA data from 1,308 studies.
- Included data from 897 species and 9,090 genetically distinct populations.
- Measured genetic differentiation (FST) and mean number of alleles (MNA).
Main Results:
- Caribbean populations exhibited higher FST (0.12) and lower MNA (4.11) than mainland populations (0.07-0.09 and 4.84-5.54).
- Mammalian populations had lower MNA (4.86) compared to other vertebrate groups.
- Anadromous fishes (0.06) and birds (0.05) showed the lowest mean FST.
Conclusions:
- MacroPopGen provides a valuable resource for analyzing population genetic diversity.
- Significant regional and taxonomic variations in genetic diversity were identified.
- The database supports future research in spatial analysis, conservation, and impact assessments.
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