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Registros recuperados: 7
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Comparative mapping in Salicaceae: a tool for identifying important genes controlling adaptive traits Inra
Jorge, V.; Fabbrini, F.; Faivre-Rampant, P.; Fladung, M.; Gaudet, M.; Lagercrantz, U.; Leplé, J.C.; Morgante, M.; Pakull, B.; Sabatti, M.; Storme, V.; Taylor, G.; Vitacolonna, N.; DeWoody, J.; Bastien, C..
Comparative QTL mapping for adaptive traits among populations and species can lead to the identification of genomic regions conserved over a long evolutionary period and therefore potentially harboring genes of great importance for adaptive processes. At the same time, non-conserved QTLs could be responsible for local adaptation or interspecific differentiation.The availability of Populus as a model system for tree and woody perennial plant biology has largely been driven by the rapid development of genomic and molecular biology resources for this genus, culminating in the completion of a draft sequence of the Populus trichocarpa (black cottonwood) genome. Numerous genetic maps are available in different Populus and Salix species and QTLs for adaptive...
Tipo: Conference Paper Palavras-chave: GENE CANDIDAT; CARTE GENETIQUE; SEQUENCE GENOMIQUE; IDENTIFICATION DE GENES CANDIDATE GENE; GENETIC MAPPING; GENOME SEQUENCE; GENE IDENTIFICATION.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20105597576d&uri=/notices/prodinra1/2010/11/
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Effects of environment and progeny on biomass estimations of five hybrid poplar families grown at three contrasting sites across Europe Inra
Dillen, S.Y.; Marron, N.; Bastien, C.; Ricciotti, L.; Salani, F.; Sabatti, M.; Pinel, M.P.C.; Pinel, A.M.; Taylor, G.; Ceulemans, R..
The quantitative and qualitative estimation of aboveground previous termbiomassnext term production is essential for short-rotation forestry. Indirect methods of previous termbiomassnext term estimation have been developed based on the establishment of regressions between previous termbiomassnext term components and tree dimensions as well as canopy architecture. The difficulty encountered with this method is to know whether, and to what degree, the obtained equations can be used under contrasting environmental conditions and for different genetic backgrounds. In the present study, allometric equations were developed linking tree dry weight (stem, branch and aboveground tree dry weight) with stem circumference, stem height and number of sylleptic branches...
Tipo: Journal Article Palavras-chave: PEUPLIER HYBRIDE; TAILLIS A COURTE ROTATION; CONDITION ENVIRONNEMENTALE; FACTEUR DU MILIEU; EFFET GENETIQUE; EQUATION ALLOMETRIQUE; MATIERE SECHE HYBRID POPLAR; SHORT ROTATION COPPICE; ENVIRONMENTAL CONDITION; GENETIC BACKGROUND; ALLOMETRIC EQUATION; DRY WEIGHT; BIOMASS.
Ano: 2007 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20078f3694e5&uri=/notices/prodinra1/2008/10/
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Genetic linkage maps of Populus alba L. and comparative mapping analysis of sex determination across Populus species Inra
Paolucci, I.; Gaudet, M.; Jorge, V.; Beritognolo, I.; Terzoli, S.; Kuzminsky, E.; Muleo, R.; Scarascia Mugnozza, G.; Sabatti, M..
White poplar (Populus alba L.) is native toEurasia and is unexploited for its growth potential andstress-adaptive mechanisms. A better knowledge of itsgenome will allow for more effective protection and use ofcritical genetic resources. The main objective of this studywas the construction of highly informative P. alba geneticmaps. Two genotypes were selected from contrastingnatural Italian populations and crossed to generate an F1mapping pedigree. Amplified fragment length polymorphismand simple sequence repeat markers were used togenotype 141 F1 individuals. The pseudo-testcross strategywas applied for linkage analysis. The generated mapsshowed good overall colinearity to each other and allowedfor a complete alignment with the 19 haploid chromosomesof the...
Tipo: Journal Article Palavras-chave: DETERMINISME GENETIQUE; DETERMINATION DU SEXE; CARTE DE LIAISON SEX DETERMINATION; LINKAGE MAP; SSR; AFLP.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20107bbd2f12&uri=/notices/prodinra1/2011/01/
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Genetic linkage maps of Populus nigra L. including AFLPs, SSRs, SNPs, and sex trait Inra
Gaudet, M.; Jorge, V.; Paolucci, I.; Beritognolo, I.; Scarascia Mugnozza, G.; Sabatti, M..
Black poplar (Populus nigra L.) is a tree of ecological and economic interest. A better knowledge of P. nigra genome is needed for an effective protection and use of its genetic resources. The main objective of this study is the construction of a highly informative genetic map of P. nigra species including genes of adaptive and economic interest. Two genotypes originated from contrasted natural Italian populations were crossed to generate a F1 mapping pedigree of 165 individuals. Amplification fragment length polymorphism (AFLP), simple sequence repeat (SSR), and single nucleotide polymorphism (SNP) markers were used to genotype 92 F1 individuals, and the pseudo-test-cross strategy was applied for linkage analysis. The female parent map included 368...
Tipo: Journal Article Palavras-chave: CARTE GENETIQUE; IDENTIFICATION DE GENES; DETERMINISME DU SEXE.
Ano: 2008 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20076d63e528&uri=/notices/prodinra1/2009/04/
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Genetic variability of carbon isotope discrimination in seedlings from Populus nigra L. populations grown under contrasting temperatures Inra
Chamaillard, S.; Villar, M.; Fichot, R.; Sabatti, M.; Villani, F.; Brignolas, F.; Barbaroux, C..
Climatic events predicted for this century should involve drier and warmer summers, such as those that occurred in 2003 and 2005 in France. The higher temperatures could become a limiting factor for the regeneration of Populus nigra L. species. During establishment and development in summer period, seedlings must be able to resist high temperatures (until 57.8°C on sand on a Loire island in July 2009). Therefore, maintaining a high transpiration rate (E) for leaf cooling (and therefore a high stomatal conductance to water vapour (gs)), may be a prerequisite for seedlings to survive under high temperatures. To test this hypothesis, we used bulk leaf carbon isotope discrimination (Δ) as a time-integrated index of gas exchange activity (Farquhar et al. 1989)....
Tipo: Conference Paper Palavras-chave: DISCRIMINATION ISOTOPIQUE DU CARBONE; EFFICIENCE D'UTILISATION DE L'EAU; CHAMBRE DE CROISSANCE BLACK POPLAR; CLIMATIC CHANGE; TRANSPIRATION; CARBON ISOTOPE DISCRIMINATION; GENETIC VARIABILITY; SEEDLING; GROWTH CHAMBER; WATER-USE EFFICIENCY; TEMPERATURE.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2010f4d0bcbe&uri=/notices/prodinra1/2011/02/
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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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Plasticity of growth and sylleptic branchiness in two poplar families grown at three sites across Europe Inra
Marron, N.; Bastien, C.; Sabatti, M.; Taylor, G.; Ceulemans, R..
Two hybrid poplar maternal half-sib families, resulting from controlled crosses of the female parent Populus deltoides ‘S9-2’ with P. nigra ‘Ghoy’ and P. trichocarpa ‘V24’, were grown at three sites: northern Italy, central France and southern England. Juvenile stem growth traits (height, circumferenceand volume) and sylleptic branchiness (number of branches, density of branches per unit of stem height, percentage of the stem carrying branches and distance of the highest sylleptic branch to the top of the stem) were measured on 1-year-old shoots. Our general objectives were to determine the degree to which the expression of stem growth and syllepsis and the relationships between them are affected by environmental conditions and to evaluate the efficiency...
Tipo: Journal Article Palavras-chave: HERITABILITE; HETEROSIS; INTERACTION GENOTYPE ENVIRONNEMENT; CROISSANCE DE LA TIGE; PLASTICITE; RAMIFICATION SYLLEPTIQUE; BRANCHAISON.
Ano: 2006 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2007de8d60e7&uri=/notices/prodinra1/2007/06/
Registros recuperados: 7
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