Strong genetic isolation of the black-lipped pearl oyster (Pinctada margaritifera) in the Marquesas archipelago (French Polynesia)

Scientific Reports
Céline ReisserChin-Long Ky

Abstract

The French Polynesian islands are internationally known for their black pearls, produced by culture of the black lipped pearl oyster Pinctada margaritifera. The ongoing development of hatcheries for P. margaritifera in French Polynesia poses new challenges for the industry, particularly regarding the maintenance of genetic diversity in the hatchery stocks. This emphasizes the necessity to characterize the genetic diversity and differentiation within natural and exploited populations, to carefully select putative parental populations. The present study aimed at validating the phylogenetic status and investigating genetic attributes of populations from the only two non-exploited archipelagos of French Polynesia, the Marquesas archipelago, and the Australes archipelago, never analysed before. We found that individuals from both archipelagos belonged to P. margaritifera species. However, while the Australes population was genetically similar to non-exploited populations of the Tuamotu, the Marquesas populations were highly differentiated from the rest of the populations. This differentiation cannot not be only attributed to geographic distance and aquaculture status, but likely to hydrodynamic barriers allowing vicariant events to ...Continue Reading

References

Sep 29, 2004·Proceedings. Biological Sciences·Jonathan P EvansAndrea Pilastro
Dec 8, 2006·Molecular Biology and Evolution·Marie-Pierre Chapuis, Arnaud Estoup
Mar 30, 2010·Marine Biotechnology·Regina L CunhaSophie Arnaud-Haond
Dec 21, 2010·Bioinformatics·Klaus Peter Schliep
Jul 1, 2008·Molecular Ecology Resources·Robin S Waples, Chi DO
Sep 20, 2011·Bioinformatics·Thibaut Jombart, Ismaïl Ahmed
Feb 24, 2012·Systematic Biology·Fredrik RonquistJohn P Huelsenbeck
Sep 5, 2014·Molecular Ecology Resources·Jack PewTimothy R Frasier
Jan 17, 2017·Scientific Reports·Erwan Delrieu-TrottinSerge Planes

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Datasets Mentioned

BETA
MK913750
MK913760
MK913770
MK913740
MK913749

Methods Mentioned

BETA
PCR

Software Mentioned

MrBayes
ade4
STRUCTURE
diveRsity
stats R
Dryad
FreeNA
R package phangorn
adegenet
Geneious

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