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Isolation of microsatellite loci for the endangered vermetid gastropod Dendropoma lebeche using Illumina MiSeq next generation sequencing technology

AuthorsLópez Márquez, Violeta; García-Jiménez, Ricardo; Calvo, Marta ; Templado, José ; Machordom, Annie
Dendropoma petraeum species complex
Cross-species amplification
Population structure
Endangered species
Issue DateDec-2018
CitationMolecular Biology Reports 45(6): 2775-2781 (2018)
AbstractDendropoma petraeum, considered the primary vermetid reef-building species in the Mediterranean, has recently been shown to be a species complex of at least four cryptic species. These species have highly restricted, non-overlapping distributions, causing concern for their conservation status. To better study the genetic diversity of these populations, we selected one of these species, Dendropoma lebeche (Templado et al. in Mediterr Mar Sci 17(1):13–31, 2016), which is restricted to the western Mediterranean, for microsatellite marker development using Illumina MiSeq. We provide an initial survey of 29 polymorphic microsatellite loci for D. lebeche. Genetic analyses identified 2–11 alleles per locus across the 30 samples examined. Observed and expected heterozygosities ranged from 0.067 to 0.800 and 0.064 to 0.770, respectively. None of the loci deviated from Hardy–Weinberg equilibrium or showed signs of being under selective pressure. Significant linkage disequilibrium was found between two loci. We also show the cross-species amplification of these microsatellite markers in the other three species of the complex, the Tyrrhenian–Sicilian lineage, D. cristatum (Biondi, 1859), the Levantine lineage, D. anguliferum (Monterosato, 1878) and Dendropoma sp. found along the Ionian–Aegean coasts, suggesting their potential utility for future phylogenetic and evolutionary studies.
Publisher version (URL)https://doi.org/10.1007/s11033-018-4346-x
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