FN Archimer Export Format
PT J
TI Variance in the reproductive success of flat oyster Ostrea edulis L. assessed by parentage analyses in natural and experimental conditions
BT 
AF LALLIAS, Delphine
   TARIS, Nicolas
   BOUDRY, Pierre
   BONHOMME, Francois
   LAPEGUE, Sylvie
AS 1:1;2:1;3:1;4:2;5:1;
FF 1:PDG-DOP-DCN-AGSAE-LGP;2:PDG-DOP-DCN-AGSAE-LGP;3:PDG-DOP-DCB-PFOM-PI;4:;5:PDG-DOP-DCN-AGSAE-LGP;
C1 IFREMER, Lab Genet & Pathol, F-17390 Ronce Les Bains, La Tremblade, France.
   Univ Montpellier 2, CNRS, UMR 5554, Dept Integrat Biol,ISEM,SMEL, F-34200 Sete, France.
C2 IFREMER, FRANCE
   UNIV MONTPELLIER, FRANCE
SI LA TREMBLADE
   BREST
   MONTPELLIER
SE PDG-DOP-DCN-AGSAE-LGP
   PDG-DOP-DCB-PFOM-PI
   PDG-DOP-DCM-BOME-LALR
IN WOS Ifremer jusqu'en 2018
   copubli-france
   copubli-univ-france
IF 1.747
TC 29
UR https://archimer.ifremer.fr/doc/00012/12329/9222.pdf
LA English
DT Article
AB In order to document further the phenomena of variance in reproductive success in natural populations of the European flat oyster Ostrea Midis, two complementary studies based on natural and experimental populations were conducted. The first part of this work was focused on paternity analyses using a set of four microsatellite markers for larvae collected from 13 brooding females sampled in Quiberon Bay (Brittany, France). The number of individuals contributing as the male parent to each progeny assay was highly variable, ranging from 2 to more than 40. Moreover, paternal contributions showed a much skewed distribution, with some males contributing to 50-100% of the progeny assay. The second part of this work consisted of the analysis of six successive cohorts experimentally produced from an acclimated broodstock (62 wild oysters sampled in the Quiberon Bay). Allelic richness was significantly higher in the adult population than in the temporal cohorts collected. Genetic differentiation (F-st estimates) was computed for each pair of samples and all significant values ranged from 0-7 to 11.9%. A limited effective number of breeders (generally below 25) was estimated in the six temporal cohorts. The study gives first indications of the high variance in reproductive success as well as a reduced effective size, not only under experimental conditions but also in the wild. Surprisingly, the pool of the successive cohorts, based on the low number of loci used, appeared to depict a random and representative set of alleles of the progenitor population, indicating that the detection of patterns of temporal genetic differentiation at a local scale most likely depends on the sampling window.
PY 2010
PD JUL
SO Genetics Research
SN 0016-6723
PU Cambridge Univ Press
VL 92
IS 3
UT 000281274300002
BP 175
EP 187
DI 10.1017/S0016672310000248
ID 12329
ER

EF