DELAPORTE, Maryse, SOUDANT, P, LAMBERT, C, JEGADEN, M, MOAL, Jeanne, POUVREAU, Stephane, ...
Within the framework of a national scientific program named "MORtalites ESTivales de l'huitre creuse Crassostrea gigas" (MOREST), a family-based experiment was developed to study the genetic basis of...
DAVID, Elise, BOUDRY, Pierre, DEGREMONT, Lionel, TANGUY, Amelie, QUERE, N, SAMAIN, Jean-Francois, ...
Large-scale mortality events have been observed in Pacific oyster Crassostrea gigas on the west coast of France since the early 1980s, particularly during summer. In order to understand the causes of...
LAMBERT, Christophe, SOUDANT, Phillippe, DEGREMONT, Lionel, DELAPORTE, Maryse, MOAL, Jeanne, BOUDRY, Pierre, ...
High variability among individuals is often encountered when hemocyte characteristics are measured in bivalves. Such variability is suspected to result partly from genetic factors. In this study,...
SAMAIN, Jean-Francois, DEGREMONT, Lionel, SOLETCHNIK, Patrick, HAURE, Joel, BEDIER, Edouard, ROPERT, Michel, ...
Summer mortality of Pacific oysters is known in several countries. However no specific pathogen has been systematically associated with this phenomenon. A complex combination of environmental and...
DEGREMONT, Lionel, ERNANDE, Bruno, BEDIER, Edouard, BOUDRY, Pierre
The multidisciplinary project "MOREST" aims to improve our understanding of causes of summer mortality in Crassostrea gigas juveniles in France and to reduce its impact on oyster production. As pail...
Degremont, Lionel, Ernande, Bruno, Bédier, Edouard, Boudry, Pierre
The multidisciplinary project "MOREST" aims to improve our understanding of causes of summer mortality in Crassostrea gigas juveniles in France and to reduce its impact on oyster production. As pail...
Degremont, Lionel, Ernande, Bruno, Bédier, Edouard, Boudry, Pierre
The multidisciplinary project "MOREST" aims to improve our understanding of causes of summer mortality in Crassostrea gigas juveniles in France and to reduce its impact on oyster production. As pail...
BOUDRY, Pierre, DEGREMONT, Lionel, BEDIER, Edouard, POUVREAU, Stephane, NORMAND, Julien, ERNANDE, Bruno
To date, the most significant method to genetically reduce reproductive effort in the Pacific oyster (Crassostrea gigas) has been through the production of triploids, especially since the development...
SAMAIN, Jean-Francois, DEGREMONT, Lionel, SOLETCHNIK, Patrick, ROPERT, Michel, BEDIER, Edouard, MAZURIE, Joseph, ...
Complex interactions between oyster, environment and pathogens were observed during the MOREST (2001-2005) project on summer mortality events of Crassostrea gigas oysters in France. The talk will...
BOUDRY, Pierre, BEDIER, Edouard, ERNANDE, Bruno, DEGREMONT, Lionel
The multidisciplinary program "MOREST" aims to improve our understanding of causes of summer mortality in Crassostrea gigas juveniles in France and to reduce its impact on oyster production. As part...
TANGUY, Arnaud, BOUTET, Isabelle, BOUDRY, Pierre, DEGREMONT, Lionel, LAROCHE, Jean, MORAGA, Dario
Phosphoglucomutase is a key enzyme in glycolysis and has been widely studied in vertebrates and some invertebrates but no molecular information is available in marine invertebrates despite the...
DEGREMONT, Lionel, BEDIER, Edouard, SOLETCHNIK, Patrick, ROPERT, Michel, HUVET, Arnaud, MOAL, Jeanne, ...
Summer mortality has been reported in the Pacific oyster, Crassostrea gigas, for many years in different parts of the world. The causes of this phenomenon are complex. The multidisciplinary program...
DEGREMONT, Lionel, BOUDRY, Pierre, SOLETCHNIK, Patrick, BEDIER, Edouard, ROPERT, Michel, SAMAIN, Jean-Francois
Three successive generations were produced between 2001 and 2003 to assess to what extent genetic variability exists for survival in juvenile oysters Crassostrea gigas. For each generation, two...
HUVET, Arnaud, DEGREMONT, Lionel, LABREUCHE, Yannick, DANIEL, Jean-Yves, DUBRUNFAUT, Thomas, BOUDRY, Pierre, ...
Summer mortality associated with juveniles of the oyster Crassostrea gigas is the result of a complex interaction between the host, pathogens and environment. Divergent selection based on summer...
DEGREMONT, Lionel, BOUDRY, Pierre, SOLETCHNIK, Patrick, BEDIER, Edouard, ROPERT, Michel, SAMAIN, Jean-Francois
Three successive generations were produced between 2001 and 2003 to assess to what extent genetic variability exists for this trait in juvenile oysters Crassostrea gigas. For each generation, two...
HUVET, Arnaud, HERPIN, Amaury, DEGREMONT, Lionel, LABREUCHE, Yannick, SAMAIN, Jean-Francois, CUNNINGHAM, Charles
Summer mortality associated with juveniles of the oyster Crassostrea gigas is probably the result of a complex interaction between the host, pathogens and environmental factors. Genetic variability...
BOUDRY, Pierre, DEGREMONT, Lionel, TARIS, Nicolas, MCCOMBIE, Helen, HAFFRAY, Pierrick, ERNANDE, Bruno
To date, the most significant genetic improvement for the production of Pacific oyster (Crassostrea gigas) has been obtained through the breeding of triploids, especially since the development of...
BOUDRY, Pierre, DEGREMONT, Lionel, TARIS, Nicolas, MCCOMBIE, Helen, HAFFRAY, Pierrick, ERNANDE, Bruno
To date, the most significant genetic improvement for the production of Pacific oyster (Crassostrea gigas) has been obtained through the breeding of triploids, especially since the development of...
BOUDRY, Pierre, DEGREMONT, Lionel, BEDIER, Edouard, SAMAIN, Jean-Francois
Summer mortality of adults and juveniles has been reported in the Pacific oyster, Crassostrea gigas, for many years and in several countries. The French multidisciplinary program "Morest" aims to...
BOUDRY, Pierre, DEGREMONT, Lionel, TARIS, Nicolas, MCCOMBIE, Helen, HAFFRAY, Pierrick, ERNANDE, Bruno
The most significant genetic improvement for production of Pacific oyster (Crassastrea gigas) has been obtained through the breeding of triploids, especially since the development of tetraploids....
In order to study genetic variability for survival during summer mortality events in the oyster Crassostrea gigas, a first generation (G1) was bred in 2001. 17 G1 half-sib families (HSF) were...
DEGREMONT, Lionel, BEDIER, Edouard, SOLETCHNIK, Patrick, ROPERT, Michel, SAMAIN, Jean-Francois, BOUDRY, Pierre
The French project "Morest", coordinated by IFREMER, aims to a better understanding of the causes of summer mortalities in juvenile oysters by a multidisciplinary approach. Within this program, a...
Contribution of a genetic program to aquaculture : the example of the shellfishery (2003)
LAPEGUE, Sylvie, BEDIER, Edouard, GOYARD, Emmanuel, DEGREMONT, Lionel, BAUD, Jean-Pierre, GERARD, Andre, ...
Two oyster species are currently present along the French coasts : the indigenous European flat oyster (Ostrea edulis), and the Pacific cupped oyster (Crassostrea gigas), that has been introduced...
Genetic and reproction strategy in Crassostrea gigas mortality (2003)
MOAL, Jeanne, BEDIER, Edouard, FLEURY, Pierre-Gildas, LANGLADE, Aime, LE COGUIC, Yvette, DEGREMONT, Lionel, ...
Bi-parental families were produced in hatchery and tested in the field in 2001. Two sets of 5 families were constituted, selected on their high (R) and low (S) survival. These two sets were reared in...
Genetic basis of summer mortality in juvenile cupped oysters (2003)
DEGREMONT, Lionel, BOUDRY, Pierre, BEDIER, Edouard, ROPERT, Michel, SOLETCHNIK, Patrick, HUVET, Arnaud, ...
The French project "Morest", coordinated by IFREMER, aims to understand the causes of the summer mortalities in Crassostrea gigas. In 2001, three sets of families were bred following a nested...
SOLETCHNIK, Patrick, ROPERT, Michel, BEDIER, Edouard, COSTIL, K. S., DUBOIS, Brice, DEGREMONT, Lionel, ...
Field characterization of summer mortality was performed in France in the frame of the Morest project. Natural and hatchery spat were compared between three oyster production areas in France....
DELAPORTE, Maryse, MOAL, Jeanne, SOUDANT, Philippe, LAMBERT, Christophe, POUVREAU, Stephane, ENRIQUEZ, Martha, ...
In the frame of MOREST project, a common biological material, resulting of a mixture of different families produced in experimental hatchery, was reared in two different environmental fields :...
DEGREMONT, Lionel, BOUDRY, Pierre, BEDIER, Edouard, ROPERT, Michel, SOLETCHNIK, Patrick, HUVET, Arnaud, ...
In the scope of the Morest program, 3 series of bi-parental families of cupped oyster consisting of full and half-sib have been created in 2001, and then studied on a regular basis on several sites...
DEGREMONT, Lionel, SOLETCHNIK, Patrick, DONER, Anne
2001 shows how important the "R" and "S" biological families are for experimentation as well as the need to "preserve" these families from mortality during the first year. The "experimental nursing"...
ERNANDE, Bruno, HAURE, Joel, DEGREMONT, Lionel, BEDIER, Edouard, BOUDRY, Pierre
Phenotypic and genetic correlations between fitness-related life-history traits - such as survival, growth and reproductive allocation - have to be considered to better understand selective...
DEGREMONT, Lionel, MOAL, Jeanne, DANIEL, Jean-Yves, BOUDRY, Pierre, VAN VORMHOUDT, A., SELLOS, D., ...
In the scope of the European program GENEPHYS, which aims to establish the relationship between the genetic base and the physiological characters in relation to the growth in Crassostrea gigas, it...