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Characterization of Vitis vinifera L. somatic variants exhibiting abnormal flower development patterns Inra
Chatelet, P.; Laucou, V.; Fernandez, L.; Sreekanta, L.; Lacombe, T.; Martinez-Zapater, J.M.; Thomas, M.R.; Torregrosa, L..
Mutants have proven to be a key resource for functional genomic studies in model annual plant species. In perennial plant species where mutants are difficult to generate and to screen, spontaneous somatic variants represent a unique resource to understand the genetic control of complex developmental patterns. The morphological and histological characterization of six Vitis vinifera L. somatic variants that display four different abnormal phenotypes of flower development are described here. A phenotype of reiterated reproductive meristems (RRM), with both flower and petal reiteration, was observed in a somatic variant of the cultivar Carignan. An abnormal development of reproductive organs was displayed by the unfused carpels (UFC) somatic variant of cv....
Tipo: Journal Article Palavras-chave: ORGANE REPRODUCTEUR FLOWER DEVELOPMENT; GRAPEVINE; MADS-BOX; REPRODUCTIVE ORGANS; SOMATIC VARIANTS.
Ano: 2007 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20086f008e38&uri=/notices/prodinra1/2008/10/
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Construction of nested genetic core collections to optimize the exploitation of natural diversity in Vitis vinifera L. subsp sativa Inra
Le Cunff, L.; Fournier-Level, A.; Laucou, V.; Vezzulli, S.; Lacombe, T.; Adam-Blondon, A.F.; Boursiquot, J.M.; This, P..
Background: The first high quality draft of the grape genome sequence has just been published. This is a critical step in accessing all the genes of this species and increases the chances of exploiting the natural genetic diversity through association genetics. However, our basic knowledge of the extent of allelic variation within the species is still not sufficient. Towards this goal, we constructed nested genetic core collections (G-cores) to capture the simple sequence repeat (SSR) diversity of the grape cultivated compartment (Vitis vinifera L. subsp. sativa) from the world's largest germplasm collection (Domaine de Vassal, INRA Herault, France), containing 2262 unique genotypes. Results: Sub-samples of 12, 24, 48 and 92 varieties of V. vinifera L....
Tipo: Journal Article Palavras-chave: RESISTANCE AUX MALADIES; VIGNE; DIVERSITE; POLYMORPHISME; SEQUENCE NUCLEOTIDIQUE; MARQUEUR GENETIQUE; EXPRESSION DES GENES; DIVERSITE GENETIQUE SINGLE NUCLEOTIDE POLYMORPHISMS; LINKAGE DISEQUILIBRIUM; CULTIVATED GRAPEVINE; MICROSATELLITE LOCI; CROHNS DISEASE; WINE GRAPES; EXPRESSION; MUTATION; GENOME; SUSCEPTIBILITY.
Ano: 2008 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20117dca1051&uri=/notices/prodinra1/2011/05/
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Low level of pollen-mediated gene flow from cultivated to wild grapevine: consequences for the evolution of the endangered subspecies Vitis vinifera L. subsp. silvestris Inra
Di Vecchi-Staraz, M.; Laucou, V.; Bruno, G.; Lacombe, T.; Gerber, S.; Bourse, T.; Boselli, M.; This, P..
A parentage and a paternity-based approach were tested for estimation of pollen-mediated gene flow in wild grapevine (Vitis vinifera L. subsp. silvestris), a wind-pollinated species occurring in Mediterranean Europe and southwestern Asia. For this purpose, 305 seedlings collected in 2 years at 2 locations in France from 4 wild female individuals and 417 wild individuals prospected from France and Italy were analyzed using 20 highly polymorphic microsatellite loci. Their profiles were compared with a database consisting of 3203 accessions from the Institut National de la Recherche Agronomique Vassal collection including cultivars, rootstocks, interspecific hybrids, and other wild individuals. Paternity was assigned for 202 (66.2%) of the 305 seedlings,...
Tipo: Journal Article Palavras-chave: ANALYSE DE PATERNITÉ; DISPERSION DU POLLEN; PLANTE TRANSGÉNIQUE; VIGNE SAUVAGE; MICROSATELLITE; EXTRACTION D'ADN PATERNITY ANALYSIS; POLLEN DISPERSAL; ROOTSTOCK; SEEDLING; TRANSGENIC PLANT; TRUE-TO-TYPE.
Ano: 2009 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20097040a34d&uri=/notices/prodinra1/2009/03/
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