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Registros recuperados: 5
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Bioinformatic analysis of ESTs collected by Sanger and pyrosequencing methods for a keystone forest tree species : oak Inra
Ueno, S.; Le Provost, G.; Léger, V.; Klopp, C.; Noirot, C.; Frigerio, J.M.; Salin, F.; Salse, J.; Abrouk, M.; Murat, F.; Brendel, O.; Derory, J.; Abadie, P.; Léger, P.; Cabane, C.; Barré, A.; De Daruvar, A.; Couloux, A.; Wincker, P.; Reviron, M.-P.; Kremer, A.; Plomion, C..
Background: The Fagaceae family comprises about 1,000 woody species worldwide. About half belong to the Quercus family. These oaks are often a source of raw material for biomass wood and fiber. Pedunculate and sessile oaks, are among the most important deciduous forest tree species in Europe. Despite their ecological and economical importance, very few genomic resources have yet been generated for these species. Here, we describe the development of an EST catalogue that will support ecosystem genomics studies, where geneticists, ecophysiologists, molecular biologists and ecologists join their efforts for understanding, monitoring and predicting functional genetic diversity.Results: We generated 145,827 sequence reads from 20 cDNA libraries using the Sanger...
Tipo: Journal Article Palavras-chave: POLYMORPHISME NUCLÉOTIDIQUE SIMPLE; RESSOURCE GÉNOMIQUE; EXTRACTION D'ARN; CLONAGE D'ADN; OUTIL D'ANALYSE.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2011fe822ff&uri=/notices/prodinra1/2011/03/
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Extensive synteny conservation of holocentric chromosomes in Lepidoptera despite high rates of local genome rearrangements Inra
D'Alençon, E.; Sezutsu, H.; Legeai, F.; Permal, E.; Bernard-Samain, S.; Gimenez, S.; Gagneur, C.; Cousserans, F.; Shimomura, M.; Brun-Barale, A.; Flutre, T.; Couloux, A.; East, P.; Mita, K.; Quesneville, H.; Fournier, P.; Feyereisen, R..
The recent assembly of the silkworm Bombyx mori genome with 432 Mb on 28 holocentric chromosomes has become a reference in the genomic analysis of the very diverse Order of Lepidoptera. We sequenced BACs from two major pests, the noctuid moths Helicoverpa armigera and Spodoptera frugiperda, corresponding to 15 regions distributed on 11 B. mori chromosomes, each BAC/region being anchored by known orthologous gene(s) to analyze syntenic relationships and genome rearrangements among the three species. Nearly 300 genes and numerous transposable elements were identified, with long interspersed nuclear elements and terminal inverted repeats the most abundant transposable element classes. There was a high degree of synteny conservation between B. mori and the two...
Tipo: Journal Article Palavras-chave: COMPARATIVE GENOMICS; SILKWORM; NOCTUIDAE; TRANSPOSABLE ELEMENTS; GENE CLUSTERS.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2011a868a119&uri=/notices/prodinra1/2011/02/
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Laying the foundations for a new classification of Agaonidae (Hymenoptera: Chalcidoidea), a multilocus phylogenetic approach Inra
Cruaud, A.; Jabbour-Zahab, R.; Genson, G.; Cruaud, C.; Couloux, A.; Kjellberg, F.; van Noort, S.; Rasplus, J.Y..
A phylogeny of the Agaonidae (Chalcidoidea) in their restricted sense, pollinators of Ficus species (Moraceae), is estimated using 4182 nucleotides from six genes, obtained from 101 species representing 19 of the 20 recognized genera, and four outgroups. Data analysed by parsimony and Bayesian inference methods demonstrate that Agaonidae are monophyletic and that the previous classification is not supported. Agaonidae are partitioned into four groups: (i) Tetrapus, (ii) Ceratosolen + Kradibia, (iii) some Blastophaga + Wiebesia species, and (iv) all genera associated with monoecious figs and a few Blastophaga and Wiebesia. The latter group is subdivided into subgroups: (i) Pleistodontes, (ii) Blastophaga psenes and neocaledonian Dolichoris, (iii) some...
Tipo: Journal Article Palavras-chave: HYMÉNOPTÈRES; INFERENCE BAYESIENNE; CLASSIFICATION.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2011ca24536e&uri=/notices/prodinra1/2011/06/
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The dragon tamed? A molecular phylogeny of the Conoidea (Gastropoda) ArchiMer
Puillandre, N.; Kantor, Yu. I.; Sysoev, A.; Couloux, A.; Meyer, C.; Rawlings, T.; Todd, J. A.; Bouchet, P..
The superfamily Conoidea constitutes one of the most diverse and taxonomically challenging groups among marine molluscs. Classifications based on shell or radular characters are highly contradictory and disputed. Whereas the monophyly of the Conidae and Terebridae has not been challenged, the other constituents of the superfamily are placed in a ‘trash’ group, the turrids, the non-monophyly of which has been demonstrated by anatomical and molecular evidence. We present here a new molecular phylogeny based on a total of 102 conoidean genera (87 ‘turrids’, 5 cones and 10 terebrids) and three mitochondrial genes [cytochrome oxidase I (COI), 12S rRNA and 16S rRNA]. The resulting tree recognizes 14 clades. When the Conidae (Conus s.l.) and Terebridae are ranked...
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Ano: 2011 URL: https://archimer.ifremer.fr/doc/00144/25554/23699.pdf
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Transcript Profiling of Poplar Leaves upon Infection with Compatible and Incompatible Strains of the Foliar Rust Melampsora larici-populina Inra
Rinaldi, C.; Kohler, A.; Frey, P.; Duchaussoy, F; Ningre, F; Couloux, A.; Wincker, P; Le Thiec, D.; Fluch, S.; Martin, F.; Duplessis, S..
To understand key processes governing defense mechanisms in poplar (Populus spp.) upon infection with the rust fungus Melampsora larici-populina, we used combined histological and molecular techniques to describe the infection of Populus trichocarpa X Populus deltoides 'Beaupre' leaves by compatible and incompatible fungal strains. Striking differences in host-tissue infection were observed after 48-h postinoculation (hpi) between compatible and incompatible interactions. No reactive oxygen species production could be detected at infection sites, while a strong accumulation of monolignols occurred in the incompatible interaction after 48 hpi, indicating a late plant response once the fungus already penetrated host cells to form haustorial infection...
Tipo: Journal Article Palavras-chave: OBLIGATE BIOTROPHIC PATHOGEN; EXPRESSED SEQUENCE TAGS; FOR-GENE SPECIFICITY; HYPERSENSITIVE RESPONSE; HYBRID POPLAR; DISEASE RESISTANCE; LEAF RUST; FLAX RUST; AVIRULENCE GENES; GENOMIC SEQUENCE.
Ano: 2007 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20072887511d&uri=/notices/prodinra1/2011/04/
Registros recuperados: 5
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