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Développement de marqueurs moléculaires liés à la résistance à la mortalité estivale chez l'huître creuse Crassostrea gigas - Approche QTL ArchiMer
Sauvage, Christopher.
The Pacific oyster Crassostrea gigas is the most cultivated marine species in the world (4.2 million tonnes for a turnover of 3.5 billion US dollars according to the FAO 2005). Flat oyster culture is one of the components of the French economic activity. However, for more than 15 years, farms have had to face some summer mortality episodes (30 %-60 %), that could jeopardize European mollusc culture competitivity. More than the economical importance of C. gigas, which justifies a great research effort, oysters constitute a study model of the complex physiological and genetic basis (i.e. growth, reproduction, and survival) strongly correlated to the oyster's response to different environmental conditions. One of the considered solutions is the selection of...
Tipo: Text Palavras-chave: Crassostrea gigas; Huître; Microsatellite; SNP (Single Nucleotide Polymorphism); QTL (Quantitative Trait Locus); Phénotype; Génotype; Cartographie; Marqueurs moléculaires; Sélection Génétique; Génétique.
Ano: 2008 URL: http://archimer.ifremer.fr/doc/2008/these-4544.pdf
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Ecophysiologie de la Qualité des Fruits (équipe EQF) National Institute of Agronomic Research
Génard, Michel; Bertin, Nadia; Borel, Charlotte; Bussières, Philippe; Dumas, Yvon; Gautier, Hélène.
Élaboration de la qualité du fruit. Modélisation de la qualité du fruit Modèles et génétique: Variables de qualité et paramètres génétiques; Quels paramètres pour rendre compte du contrôle génétique sur les variables de qualité ?
Tipo: Working Paper Palavras-chave: Ecophysiology; Organoleptic quality; Plant physiology; Modeling; Fruit tree; Genotype; Écophysiologie; Qualité organoleptique; Physiologie végétale; Modélisation; Arbre fruitier; Génotype.
Ano: 2004 URL: http://hdl.handle.net/2174/76
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Maîtrise de la composition des graines de grande culture (tournesol, soja, haricot). Impact des interactions ITK*Génotype National Institute of Agronomic Research
Bouniols, A.; Roche, J..
Variation de la composition intrinsèque de la graine en conditions de culture agricoles: progrès à réaliser pour maîtriser la qualité de la production Amélioration de la qualité accessible par 2 voies complémentaires: Utilisation de la voie génétique (sélection de génotypes sur des critères de teneurs en acides gras et constituants mineurs) Adaptation des conduites culturales pour l’élaboration de la qualité recherchée: impact des facteurs abiotiques (disponibilité hydrique, température,…)
Tipo: Working Paper Palavras-chave: Seed; Cultural practices; Seed composition; Genotype; Graine; Itinéraire technique; Qualité; Génotype; Grande culture.
Ano: 2005 URL: http://hdl.handle.net/2174/85
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Taxonomie et virulence de vibrions pathogènes d'huîtres creuses Crassostrea gigas ArchiMer
Le Roux, Frédérique.
As the emergence of new vibriosis in the European Atlantic coasts has been associated with mass mortalities of molluscs cuasing important economic losses, the project obectives are to provide knowledge and operational tools to evaluate the impact of vibriosis on farmed japenese oyster Crassostrea gigas. Facing the diversity of Vibrio species associated to bivalve disease outbreaks, the difficulties of identification and the detemrination of their pathogenic abilities we propose a double approach to correlate phenotype/geneotype of a bacteria with risk of disease : 1) by genotyping we will evaluate if specific strains are associated with disease. 2) by evaluating likely virulence mechanisms implicated in pathogenesis, we will characterise the genes...
Tipo: Text Palavras-chave: Taxonomie; Marqueur génétique; Pathogène; Génotype; Phénotype; Crassotrea gigas; Huître; Vibrioses; Diagnostique.
Ano: 2004 URL: http://archimer.ifremer.fr/doc/2004/these-3699.pdf
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