Research Topics
Genomes and GenesSpecies | Claude RispeSummaryAffiliation: Institut National de la Recherche Agronomique Country: France Publications
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Detail Information
Publications
Evolutionary study of duplications of the miRNA machinery in aphids associated with striking rate acceleration and changes in expression profilesBenjamín Ortiz-Rivas
INRA, UMR 1349 IGEPP, Le Rheu, 35653, France
BMC Evol Biol 12:216. 2012..We have also carried out an analysis of the expression of both copies of ago-1 and dcr-1 by semi-quantitative PCR in different morphs of the pea aphid life cycle...
Tempo and mode of early gene loss in endosymbiotic bacteria from insectsF Delmotte
UMR Santé Végétale INRA ENITAB, INRA BP81, 33883 Villenave d Ornon Cedex, France
BMC Evol Biol 6:56. 2006..coli (i.e. codon adaptive index, or CAI), and also estimates of evolutionary rates (Ka) between pairs of orthologs either in free-living bacteria or in pairs of symbionts...
Large gene family expansion and variable selective pressures for cathepsin B in aphidsClaude Rispe
Institut National de la Recherche Agronomique, Unité Mixte de Recherche 1099 BiO3P, Le Rheu, France
Mol Biol Evol 25:5-17. 2008..pisum. Putative biological roles of the diversified cathepsin B-like gene copies in aphids are discussed in relation to their nutritional physiology specialized for plant sap feeding lifestyle...
Strong heterogeneity in nucleotidic composition and codon bias in the pea aphid (Acyrthosiphon pisum) shown by EST-based coding genome reconstructionClaude Rispe
Institut National de la Recherche Agronomique, Domaine de la Motte, Unité Mixte de Recherche 1099 BiO3P, Le Rheu, France
J Mol Evol 65:413-24. 2007..Finally, genomic traces were analyzed to build 206 fragments containing a full CDS, which allowed studying the correlations between GC contents of coding and those of noncoding (flanking and introns) sequences...
Expansion of the miRNA pathway in the hemipteran insect Acyrthosiphon pisumStéphanie Jaubert-Possamai
Institut de la Recherche Agronomique INRA, UMR1099 BiO3P, Domaine de la Motte, F 35653 Le Rheu, France
Mol Biol Evol 27:979-87. 2010..Investigating the function of these novel genes offers an exciting new challenge in aphid biology...
Cuticular proteins and seasonal photoperiodism in aphidsAurore Gallot
INRA, UMR BiO3P, BP 35327, 35653 Le Rheu Cedex, France
Insect Biochem Mol Biol 40:235-40. 2010..This review focuses on the description of cuticular protein genes in the pea aphid and their regulation during the change of reproductive mode...
Gene knockdown by RNAi in the pea aphid Acyrthosiphon pisumStéphanie Jaubert-Possamai
INRA, Agrocampus Rennes, UMR 1099 BiO3P Biology of Organisms and Populations Applied to Plant Protection, F 35653 Le Rheu, France
BMC Biotechnol 7:63. 2007..RNA interference (RNAi) is a powerful method to inhibit gene expression in a sequence specific manner...
AphidBase: a database for aphid genomic resourcesJean Pierre Gauthier
INRA, Agrocampus Rennes, UMR 1099 BiO3P Biology of Organisms and Populations Applied to Plant Protection, F 35653 Le Rheu, France
Bioinformatics 23:783-4. 2007..AphidBase represents one of the first genomic databases for a hemipteran insect. AVAILABILITY: http://w3.rennes.inra.fr/AphidBase...
Mutational and selective pressures on codon and amino acid usage in Buchnera, endosymbiotic bacteria of aphidsClaude Rispe
UMR BiO3P, Institut National de la Recherche Agronomique, BP35327, 35653 Le Rheu Cedex, France
Genome Res 14:44-53. 2004..However, Buchnera from Baizongia pistaciae appears to have suffered a stronger symbiotic syndrome than the two other species...
Accelerated evolution of sex chromosomes in aphids, an x0 systemJulie Jaquiery
Institut National de Recherche Agronomique INRA, Unité Mixte de Recherche 1099, Biology of Organisms and Populations Applied to Plant Protection, Le Rheu, France
Mol Biol Evol 29:837-47. 2012..Overall, this study highlights the particular relevance of aphids to study the evolutionary factors driving sex chromosomes and genome evolution...
Dynamics of production of sexual forms in aphids: theoretical and experimental evidence for adaptive "coin-flipping" plasticityFabien Halkett
Unité Mixte de Recherche Institut National de la Recherche Agronomique Agrocampus de Rennes, Biologie des Organismes et des Populations, appliquée à la Protection des Plantes, 35042 Rennes Cedex, France
Am Nat 163:E112-25. 2004..Both predictions are validated against standardized trap data on aphid flight accompanied by meteorological data, and the predictions support adaptive phenotypic plasticity...
The anatomy of an aphid genome: from sequence to biologyDenis Tagu
INRA, UMR BiO3P, BP, Le Rheu Cedex, France
C R Biol 333:464-73. 2010..Thus, in the second part of the review, we envisage how this genomic resource will fuel many other disciplines such as ecology, evolutionary biology, population genetics and symbiosis...
Phylogenetic evidence for hybrid origins of asexual lineages in an aphid speciesFrancois Delmotte
Institut National de la Recherche Agronomique, Unité Mixte de Recherche Biologie des Organismes et des Populations appliquée à la Protection des Plantes, BP 35327, 35653 Le Rheu Cedex, France
Evolution 57:1291-303. 2003..It also presents a robust approach for testing whether hybrid origin of asexuality is also a common phenomenon in aphids...
Large-scale gene discovery in the pea aphid Acyrthosiphon pisum (Hemiptera)Beatriz Sabater-Muñoz
INRA Rennes, UMR INRA Agrocampus BiO3P, BP 35327, F 35653 Le Rheu cedex, France
Genome Biol 7:R21. 2006..This project is the first to address the genetics of the Hemiptera and of a hemimetabolous insect...
Gene expression levels influence amino acid usage and evolutionary rates in endosymbiotic bacteriaJörg Schaber
Institut Cavanilles de Biodiversitat i Biologia Evolutiva, Universitat de Valencia, A C 22085, 46071 Valencia, Spain
Gene 352:109-17. 2005....
