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Registros recuperados: 32
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A clarified position for Solanum lycopersicum var. cerasiforme in the evolutionary history of tomatoes (Solanaceae) Inra
Ranc, N.; Muños, S.; Santoni, S.; Causse, M..
The natural phenotypic variability present in the germplasm of cultivated plants can be linked to molecular polymorphisms using association genetics. However it is necessary to consider the genetic structure of the germplasm used to avoid false association. The knowledge of genetic structure of plant populations can help in inferring plant evolutionary history. In this context, we genotyped 360 wild, feral and cultivated accessions with 20 simple sequence repeat markers and investigated the extent and structure of the genetic variation. The study focused on the red fruited tomato clade involved in the domestication of tomato and confirmed the admixture status of cherry tomatoes (Solanum lycopersicum var. cerasiforme). We used a nested sample strategy to...
Tipo: Journal Article Palavras-chave: DOMESTICATION; CORE COLLECTION; GENETIC DIVERSITY; GENOTYPING.
Ano: 2008 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20093e6ec648&uri=/notices/prodinra1/2009/04/
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A global view of genetic diversity in cultivated sorghums using a core collection Inra
Deu, M.; Rattunde, F.; Chantereau, J..
Une analyse approfondie de la structuration de la diversité génétique des sorghos cultivés est présentée. Une core collection de 210 variétés représentatives de la diversité des races, latitudes, réponses à la durée du jour et systèmes de culture a été analysée au moyen de 74 sondes PLFR réparties sur le génome. Les analyses multivariées ont montré la spécificité des guinea margaritiferum ainsi qu’une structuration géographique et raciale de la diversité génétique. L’analyse « neighbour joining » a montré une différenciation entre variétés africaines du nord et du sud de l’équateur. La présence de variétés asiatiques dans chacun de ces grands pôles géographiques d’évolution des sorghos indique 2 introductions en Asie. La race est aussi un des facteurs...
Tipo: Journal Article Palavras-chave: DIVERSITE GENETIQUE; CORE COLLECTION; PLFR RFLP; CORE COLLECTION; GENETIC DIVERSITY.
Ano: 2006 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2007f30ff860&uri=/notices/prodinra1/2007/04/
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Adaptation of european forest trees to climate change. Diaporama Inra
Fady, B..
Tipo: Meeting Paper Palavras-chave: CLIMATE CHANGE; FOREST MANAGEMENT SYSTEM; DISPERSAL; PLASTICITY; GENETIC DIVERSITY; GENETIC RESOURCE.
Ano: 2008 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2008356f0229&uri=/notices/prodinra1/2008/10/
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Application of a SUGAR model to analyse sugar accumulation in peach cultivars that differ in glucose–fructose ratio Inra
Wu, B.H.; Quilot-Turion, B.; Génard, M.; Li, S.H.; Zhao, J.B.; Yang, J.; Wang, Y.Q..
A SUGAR model, which was established to predict the partitioning of carbon into sucrose, glucose, fructose and sorbitol in fruit mesocarp of peach cultivars (Prunus persica (L.) Batch) with normal glucose: fructose ratio (G:F) of 0·8–1·5, was evaluated and extended for peach cultivars with a high G:F ratio of 1·5–7·8. The extended model (SUGARb) is more generic and assumes a high G:F ratio to be due to preferential transformation of sorbitol into glucose, preferential utilization of fructose or preferential conversion of fructose into glucose. The simulated seasonal variations in sugars via the SUGARb-model-matched experimental data for three normal and three high G:F cultivars well, and accurately exhibited G:F ratio characteristics. The relative rates of...
Tipo: Journal Article Palavras-chave: ACTIVITE ENZYMATIQUE; DIVERSITE GENETIQUE SUGAR; FRUCTOSE; GLUCOSE; SUCROSE; SORBITOL; GENETIC DIVERSITY; QUALITY.
Ano: 2011 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD201186da1c25&uri=/notices/prodinra1/2011/06/
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Biodiversity at gene level in Pinus nigra range wide and in the Troodos Mountain of Cyprus: a bibliographic synthesis Inra
Fady, B..
Tipo: Meeting Paper Palavras-chave: BIBLIOGRAPHIE DISTRIBUTION; GENETIC DIVERSITY; GENETIC MARKER; ADAPTIVE TRAITS; CLIMATE CHANGE; GENETIC RESOURCES; CONIFER.
Ano: 2007 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20081fe8ad92&uri=/notices/prodinra1/2008/08/
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Biological properties and relative fitness of inter-subgroup cucumber mosaic virus RNA 3 recombinants produced in vitro Inra
Pierrugues, O.; Guilbaud, L.; Fernandez-Delmond, I.; Fabre, F.; Tepfer, M.; Jacquemond, M..
In vitro reverse transcription of a mixture of total RNA from plants infected with the I17F or R strains of cucumber mosaic virus (CMV), representative of subgroups IA and II, respectively, results in viral cDNA populations including rare recombinant RNA 3 molecules, some of which also have point mutations. The biological properties of 17 recombinants in the capsid gene or the39 non-coding region of RNA 3 were evaluated when associated with I17F RNAs 1 and 2. Sixviruses displayed deficiencies (non-viability, deficiencies for movement and/or replication, delayed infection, loss of aphid transmissibility). Nine induced symptoms close to those of I17F-CMV ontobacco and pepper plants. All recombinants bearing the movement protein (MP) of R-CMVand part or most...
Tipo: Journal Article Palavras-chave: GENOME VIRAL; ARN VIRAL; PROPRIETE BIOLOGIQUE CUCUMBER MOSAIC VIRUS; GENETIC DIVERSITY; CMV; RECOMBINAISON GENETIQUE; RT-PCR.
Ano: 2007 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2008309b90b2&uri=/notices/prodinra1/2008/06/
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Conservation of biodiversity at gene level in mediterranean ecosystems Inra
Fady, B.; Médail, F.; Diadema, K.; Conord, C..
Tipo: Meeting Paper Palavras-chave: ENDEMISM; SPECIES RICHNESS; GENETIC DIVERSITY; EVOLUTIONARY PROCESS; CONSERVATION.
Ano: 2007 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2008ba6e8133&uri=/notices/prodinra1/2008/08/
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Contemporary seed and pollen dispersal abilities of silver fir (Abies alba Mill.)at range margins Inra
Oddou-Muratorio, S.; Amm, A.; Burczyk, J.; Chybicki, I.J.; Lewandowski, A.; Litkowiec, M.; Pichot, C.; Klein, E..
Tipo: Conference Paper Palavras-chave: GENE FLOW; MICROSATELLITE MARKER; GENETIC DIVERSITY; CLIMATE CHANGE; PARENTAGE ANALYSIS; POLLEN DISPERSAL; SEED DISPERSAL; SELFING.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD201087f4c0da&uri=/notices/prodinra1/2010/06/
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Diploid ancestors of triploid export banana cultivars: molecular identification of 2n restitution gamete donors and n gamete donors Inra
Rabouin, L.-M.; Carreel, F.; Noyer, J.L.; Baurens, F.C.; Horry, J.-P.; Bakry, F.; Tezenas Du Montcel, H.; Ganry, J.; Lanaud, C.; Lagoda, P.J.L..
The origin of triploid export banana cultivars was investigated. They all belong to Cavendish and Gros Michel subgroups of triploid clones and have a monospecific Musa acuminata origin. The appearance of these cultivars is thought to be result of hybridization between partially sterile diploid cultivars producing non reduced gametes and fertile diploids producing normal haploid gametes. To trace these diploid ancestors we compared the RFLP patterns, revealed by 36 probe/enzyme combinations, of 176 diploid clones representing the worldwide available variability with that of clones from the Cavendish and Gros Michel subgroups. This lead us to the identification of the common putative diploid ancestor of cultivars from Cavendish and Gros Michel subgroups...
Tipo: Journal Article Palavras-chave: ANCETRE GENETIQUE BANANA; GENETIC DIVERSITY; RFLP.
Ano: 2005 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2007cce4bf7d&uri=/notices/prodinra1/2007/05/
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Dual Origins of Dairy Cattle Farming – Evidence from a Comprehensive Survey of European Y-Chromosomal Variation Inra
Edwards, C.J.; Ginja, C.; Kantanen, J.; Pérez-Pardal, L; Tresset, A.; Stock, F.; Gama, L.T.; Penedo, M.C.T.; Bradley, D.G.; Lenstra, J.A.; Nijman, I.J.; INRA, Institut National de la Recherche Agronomique (FRA); INRA, Institut National de la Recherche Agronomique (FRA); European Cattle Genetic Diversity Consortium (INT).
Background: Diversity patterns of livestock species are informative to the history of agriculture and indicate uniqueness ofbreeds as relevant for conservation. So far, most studies on cattle have focused on mitochondrial and autosomal DNAvariation. Previous studies of Y-chromosomal variation, with limited breed panels, identified two Bos taurus (taurine)haplogroups (Y1 and Y2; both composed of several haplotypes) and one Bos indicus (indicine/zebu) haplogroup (Y3), as wellas a strong phylogeographic structuring of paternal lineages.Methodology and Principal Findings: Haplogroup data were collected for 2087 animals from 138 breeds. For 111 breeds,these were resolved further by genotyping microsatellites INRA189 (10 alleles) and BM861 (2 alleles). European...
Tipo: Journal Article Palavras-chave:  BOS-TAURUS; GENETIC DIVERSITY; DOMESTIC CATTLE; MITOCHONDRIAL-DNA; PORTUGUESE CATTLE; ANCIENT DNA; LINKAGE MAP; BREEDS; POPULATIONS; MARKERS.
Ano: 2011 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD201182c528fa&uri=/notices/prodinra1/2011/04/
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Genes flow in populations of Bremia lactucae, the causal agent of downy mildew of lettuce, in France Inra
Valade, R.; Maisonneuve, B.; Neema, C..
Tipo: Conference Paper Palavras-chave: LETTUCE; MILDEW; GENETIC DIVERSITY; GENEFLOW; POLYMORPHISM.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2010fe282fb4&uri=/notices/prodinra1/2010/06/
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Genetic diversity of the greater yam (Dioscorea alata L.) and relatedness to D. nummularia Lam. and D. transversa Br. as revealed with AFLP markers Inra
Malapa, R.; Arnau, G.; Noyer, J.L.; Lebot, V..
Amplified fragment length polymorphism markers were used to assess the genetic relatedness between Dioscorea alata and nine other edible Dioscorea. These species include D. abyssinica Hoch., D. bulbifera L., D. cayenensis-rotundata Lamk. et Poir., D. esculenta Burk., D. nummularia Lam., D. pentaphylla L., D. persimilis Prain. et Burk., D. transversa Br. and D. trifida L. Four successive studies were conducted with emphasis on the genetic relationship within D. alata and among species of the Enantiophyllum section from Vanuatu. Study 1 was carried out to select a set of polymorphic primer pairs using 11 combinations and eight species belonging to five distinct sections. The four most polymorphic primer pairs were used in study 2 among six species of the...
Tipo: Journal Article Palavras-chave: AFLP MARKERS; ENANTIOPHYLLUM; GENETIC DIVERSITY; PLOIDY LEVELS.
Ano: 2005 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2007c6c0ef1a&uri=/notices/prodinra1/2009/03/
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Genetic signature of a 150-year-old population bottleneck in Fagus sylvatica despite rapid population extension Inra
LANDER, T.A.; Prouillet-Leplat, H.; Klein, E.; Oddou-Muratorio, S..
Tipo: Conference Paper Palavras-chave: BOTTELNECK; COLONISATION; GENETIC STRUCTURE; MICROSATELLITE; CLIMATE CHANGE; GENETIC DIVERSITY.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2010b8387dbe&uri=/notices/prodinra1/2010/06/
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Genetic structure of Botrytis cinerea populations from vegetable greenhouses in France. Abstract Inra
Decognet, V.; Bardin, M.; Walker, A.S.; Fermaud, M.; Nicot, P..
Tipo: Conference Paper Palavras-chave: CROPPING SYSTEM; MICROSATELLITES; GENETIC DIVERSITY; GENOTYPE.
Ano: 2007 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2008e753b37a&uri=/notices/prodinra1/2008/05/
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Genetically depauperate but widespread: the case of an emblematic mediterranean pine Inra
Vendramin, G.G.; Fady, B.; Gonzalez-Martinez, S.C.; Hu, F.S.; Scotti, I.; Sebastiani, F.; Soto, A.; Petit, R.J..
Genetic variation is generally considered a prerequisite for adaptation to new environmental conditions. Thus the discovery of genetically depauperate but geographically widespread species is unexpected. We used 12 paternally inherited chloroplast microsatellites to estimate population genetic variation across the full range of an emblematic circum-Mediterranean conifer, stone pine (Pinus pinea L.). The same chloroplast DNA haplotype is fixed in nearly all of the 34 investigated populations. Such a low level of variation is consistent with a previous report of very low levels of diversity at nuclear loci in this species. Stone pine appears to have passed through a severe and prolonged demographic bottleneck, followed by subsequent natural- and...
Tipo: Journal Article Palavras-chave: CHLOROPLAST MICROSATELLITES; CONSERVATION GENETICS; DIVERSITY DEPLETION; HUMAN IMPACT; GENETIC DIVERSITY.
Ano: 2008 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2008d1b09d83&uri=/notices/prodinra1/2008/03/
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Genomic regions involved in productivity of two specific poplar families in Europe. 2. Biomass production and its relationships with tree architecture and phenology Inra
Marron, N.; Storme, V.; Dillen, S.Y.; Bastien, C.; Ricciotti, L.; Salani, F.; Sabatti, M.; Rae, A.M.; Ceulemans, R.; Boerjan, W..
Short-rotation coppice of hybrid poplar is a promising renewable feedstock for biofuel production. Breeding for high biomass in short-rotation coppice has started only recently. Two hybrid poplar families were grown at two sites in Europe and phenotyped for a variety of biomass-related traits (1) to examine the extent of phenotypic and genetic variation in biomass production, ramification, resprouting, and phenology, (2) to search for genomic regions involved in productivity, and (3) to determine the effect of the environment on the expression of these traits. The performance of both families differed within and among sites. A pronounced heterosis was observed in most cases. Moderate to high heritability values were found. Seventeen quantitative trait loci...
Tipo: Journal Article Palavras-chave: POPLAR; BIOMASS; CROP PRODUCTION; GENETIC DIVERSITY; GENOMICS; HERITABILITY; HETEROSIS; HYBRIDS; PHENOLOGY; PHENOTYPES; PLANT BREEDING; PRODUCTIVITY; QTL; QUANTITATIVE TRAIT LOCI; RENEWABLE ENERGY; SELECTION CRITERIA; WOOD; GENETIC VARIABILITY; HERITABLE CHARACTERS; HYBRID VIGOR.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20107d842062&uri=/notices/prodinra1/2010/10/
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How Ebola Impacts Genetics of Western Lowland Gorilla Populations Inra
Le Gouar, P.J.; Vallet, D.; David, L.; Bermejo, M.; Gatti, S.; Levréro, F.; Petit, E.; Ménard, N..
BackgroundEmerging infectious diseases in wildlife are major threats for both human health and biodiversity conservation. Infectious diseases can have serious consequences for the genetic diversity of populations, which could enhance the species' extinction probability. The Ebola epizootic in western and central Africa induced more than 90% mortality in Western lowland gorilla population. Although mortality rates are very high, the impacts of Ebola on genetic diversity of Western lowland gorilla have never been assessed.Methodology/Principal FindingsWe carried out long term studies of three populations of Western lowland gorilla in the Republic of the Congo (Odzala-Kokoua National Park, Lossi gorilla sanctuary both affected by Ebola and Lossi's periphery...
Tipo: Journal Article Palavras-chave: EBOLA; GORILLE; DIVERISTE GENETIQUE; EPIZOOTIE GORILLA; GENETIC DIVERSITY; EPIZOOTIC.
Ano: 2009 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD201192b8d595&uri=/notices/prodinra1/2011/07/
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Influence of climate change on the natural distribution of tree species. Diaporama Inra
Fady, B..
Tipo: Meeting Paper Palavras-chave: CLIMATE CHANGE; PLASTICITY; GENETIC RESOURCES; FOREST TREE; FOREST ECOSYSTEM; GENETIC DIVERSITY; SEED DISPERSAL.
Ano: 2008 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2008cffdb245&uri=/notices/prodinra1/2008/09/
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Insights into the Genetic History of French Cattle from Dense SNP Data on 47 Worldwide Breeds Inra
Gautier, M.; Laloë, D.; Moazami-Goudarzi, K..
Background: Modern cattle originate from populations of the wild extinct aurochs through a few domestication eventswhich occurred about 8,000 years ago. Newly domesticated populations subsequently spread worldwide following breedermigration routes. The resulting complex historical origins associated with both natural and artificial selection have led to thedifferentiation of numerous different cattle breeds displaying a broad phenotypic variety over a short period of time.Methodology/Principal Findings: This study gives a detailed assessment of cattle genetic diversity based on 1,121individuals sampled in 47 populations from different parts of the world (with a special focus on French cattle) genotyped for44,706 autosomal SNPs. The analyzed data set...
Tipo: Journal Article Palavras-chave: FRENCH CATTLE; GENETIC HISTORY; GENETIC DIVERSITY.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2011efc2ec89&uri=/notices/prodinra1/2011/06/
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Linkage disequilibrium mapping for tomato fruit quality traits Inra
Causse, M.; Ranc, N.; Munos, S.; Rolland, S.; Le Paslier, M.C.; Santoni, S.; Bouchet, J.P.; Brunel, D..
Tipo: Conference Paper Palavras-chave: GENE CANDIDAT CORE COLLECTION; POLYMORPHISM; CANDIDATE GENE; FRUIT QUALITY; GENETIC DIVERSITY; SSR MARKERS.
Ano: 2008 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2008fcec2cc8&uri=/notices/prodinra1/2008/11/
Registros recuperados: 32
Primeira ... 12 ... Última
 

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