Sweet Drinks Are Made of This: Conservation Genetics of an Endemic Palm Species from the Dominican Republic
| Autor: | M. Patrick Griffith, Jeremy Moynihan, Eric von Wettberg, Alberto Veloz, Carl E. Lewis, Brígido Peguero, Mike Maunder, Sandra Namoff, Francisco Jiménez, Rosa A. Rodríguez-Peña, Javier Francisco-Ortega, Melissa Abdo, Alan W. Meerow |
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| Rok vydání: | 2010 |
| Předmět: |
Gene Flow
Genetic Markers Conservation genetics Conservation of Natural Resources In situ conservation DNA Plant Genotype Population Pseudophoenix ekmanii Arecaceae Linkage Disequilibrium Genetic drift Genetics Cluster Analysis Inbreeding education Molecular Biology Genetics (clinical) education.field_of_study Genetic diversity biology Ecology Dominican Republic Genetic Drift Genetic Variation biology.organism_classification Genetics Population Threatened species Genome Plant Microsatellite Repeats Multilocus Sequence Typing Biotechnology |
| Zdroj: | Journal of Heredity. 102:1-10 |
| ISSN: | 1465-7333 0022-1503 |
| Popis: | Pseudophoenix ekmanii is a threatened palm species endemic to the Dominican Republic. Sap from trees is extracted to make a local drink; once they are tapped the individual usually dies. Plants are also illegally harvested for the nursery trade and destroyed by poachers hunting the endemic and threatened Hispaniolan parrot. We used 7 DNA microsatellite markers to assist land managers in developing conservation strategies for this palm. We sampled 4 populations along the known distribution range of this species (3 populations from the mainland and 1 from the small island of Isla Beata), for a total sample of n = 104. We found strong evidence for genetic drift, inbreeding, and moderate gene flow (i.e., all populations had at least 4 loci that were not in Hardy-Weinberg equilibrium, at least 9 loci pairs were in linkage disequilibrium, the pairwise F(ST) values ranged from 0.069 to 0.266, and had positive F(IS) values). Data supported an isolation-by-distance model, and cluster analyses based on genetic distances resolved 2 groups that match a north-south split. The population from Isla Beata had the lowest levels of genetic diversity and was the only one in which we found pairs of individuals with identical shared multilocus genotypes. |
| Databáze: | OpenAIRE |
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