Isolation and characterisation of 16 microsatellite loci from a widespread tropical hydrozoan, Lytocarpia brevirostris (Busk, 1852)
Résumé
We isolated and characterized 16 polymorphic microsatellite loci for Lytocarpia brevirostris (Aglaophe- niidae), a hydrozoan common in the tropical Indo-Pacific region. Four to 34 alleles per locus were detected at the Indo-Pacific scale. At the population level, observed (Ho) and expected (He) heterozygosities ranged across 0.100–0.625 and 0.097–0.597, respectively. Three markers showed significant deviation from Hardy–Weinberg equi- librium, all of them presenting null alleles. Linkage dis- equilibrium was detected in three pairs of loci among 120. These primers provide powerful tools for studying popu- lation genetic diversity and the implication of life cycle strategies on population differentiation in tropical hydro- zoans. This will be valuable for the conservation of coral reefs biodiversity and the design of marine protected areas.
Mots clés
Hydrozoa
Linkage Disequilibrium
Marine Protected Area
Microsatellite Locus
Reproductive Mode
Genetic Diversity
Coral Reef Biodiversity
Population Structure
Suspension Feeder
Population Differentiation
Allele Size
Null Allele
Diversity Index
Microsatellite Marker
Cryptic Specie
Titanium
Aglaopheniidae
Microsatellite
Lytocarpia brevirostris
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Postaire et al. - 2015 - Isolation and characterisation of 16 microsatellit_hal.pdf (45.18 Ko)
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