FN Archimer Export Format
PT J
TI Impact of pCO2 on the energy, reproduction and growth of the shell of the pearl oyster Pinctada margaritifera
BT 
AF LE MOULLAC, Gilles
   SOYEZ, Claude
   VIDAL-DUPIOL, Jeremie
   BELLIARD, Corinne
   FIEVET, Julie
   SHAM-KOUA, Manaarii
   LO-YAT, Alain
   SAULNIER, Denis
   GAERTNER-MAZOUNI, N.
   GUEGUEN, Yannick
AS 1:1;2:1;3:1;4:1;5:1;6:1;7:1;8:1;9:2;10:3;
FF 1:PDG-RBE-RMPF;2:PDG-RBE-RMPF;3:PDG-RBE-RMPF;4:PDG-RBE-RMPF;5:PDG-RBE-RMPF;6:PDG-RBE-RMPF;7:PDG-RBE-RMPF;8:PDG-RBE-RMPF;9:;10:PDG-RBE-IHPE;
C1 IFREMER, UMR Ecosyst Insulaires Oceaniens EIO 241, Labex Corail, Ctr Pacifique, BP 49, Taravao 98719, Tahiti, Fr Polynesia.
   Univ Polynesie Francaise, UMR Ecosyst Insulaires Oceaniens EIO 241, Labex Corail, BP 6570, Faaa 98702, Tahiti, Fr Polynesia.
   Univ Montpellier, CNRS, UPVD, Ifremer,UMR IHPE 5244, CC 80, F-34095 Montpellier, France.
C2 IFREMER, FRANCE
   UNIV POLYNESIE FRANCAISE, FRANCE
   IFREMER, FRANCE
SI TAHITI
   MONTPELLIER
SE PDG-RBE-RMPF
   PDG-RBE-IHPE
UM IHPE
   EIO
IN WOS Ifremer jusqu'en 2018
   copubli-france
   copubli-univ-france
IF 2.176
TC 17
UR https://archimer.ifremer.fr/doc/00321/43189/42737.pdf
LA English
DT Article
DE ;Global change;Pearl oyster;Bioenergetic;Biomineralization;Pacific Ocean;French Polynesia
AB The possible consequences of acidification on pearl farming are disruption of oyster metabolism and change in growth. In the laboratory, we studied the impact of pCO2 (3540, 1338 and 541μatm) on the physiology of pearl oysters exposed for 100 days. This experiment was repeated after an interval of one year. Several physiological compartments were examined in pearl oysters: the scope for growth by measuring ingestion, assimilation and oxygen consumption, gametogenesis by means of histological observations, shell growth by measurement and observation by optical and electronic microscopy, and at molecular level by measuring the expression of nine genes of mantle cells implied in the biomineralisation process. Results from both experiments showed that high pCO2 had no effect on scope for growth and gametogenesis. High pCO2 (3540 μatm) significantly slowed down the shell deposit rate at the ventral side and SEM observations of the inside of the shell found signs of chemical dissolution. Of the nine examined genes high pCO2significantly decreased the expression level of one gene (Pmarg-PUSP 6). This study showed that shell growth of the pearl oyster would be slowed down without threatening the species since the management of energy and reproduction functions appeared to be preserved. Further investigations should be conducted on the response of offspring to acidification.
PY 2016
PD DEC
SO Estuarine Coastal And Shelf Science
SN 0272-7714
PU Academic Press Ltd- Elsevier Science Ltd
VL 182
IS Part.B
UT 000390728100008
BP 274
EP 282
DI 10.1016/j.ecss.2016.03.011
ID 43189
ER

EF