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Moya, Andrès

0 sélectionnée(s) / 11 réponse(s)

Article Early progress in aphid genomics and consequences for plant-aphid interactions studies Tagu, Denis ; Klingler, J.P. ; Moya, Andrès ; Simon, Jean-Christophe

Molecular Plant Microbe Interactions, 2008 , Volume 21 , n° 6 , 701-708 p. [ ISSN : 0894-0282 ]

Résumé :
Aphids occupy a niche comprising two conceptual realms: a micron-scale feeding site beneath the plant surface, in which a syringe-like appendage mediates chemical exchange with a specific plant cell type and the larger realm of a metazoan with sensory organs, a nervous system, and behavior, all...Aphids occupy a niche comprising two conceptual realms: a micron-scale feeding site beneath the plant surface, in which a syringe-like appendage mediates chemical exchange with a specific plant cell type and the larger realm of a metazoan with sensory organs, a nervous system, and behavior, all responsive to the condition of the host plant and the broader environment. The biology that connects these realms is not well understood, but new details are emerging with the help of genomic tools. The power of these tools is set to increase substantially now that the first genome of an aphid is being sequenced and annotated. This has been possible because a community of aphid researchers focused their efforts to develop and share genomic resources through an international consortium. This complete genome sequence, along with other resources, should permit major advances in understanding the complex and peculiar biological traits responsible for aphids' evolutionary success and their damaging effects on agriculture. This review highlights early progress in the application of aphid genomics and identifies key issues of plant-aphid interactions likely to benefit as molecular tools are further developed. Use of this new knowledge could make significant contributions to crop protection against these and other phloem-feeding insects.

PUCERON ; ACYRTHOSIPHON PISUM ; PARTHENOGENESE
GENOMIQUE ; VIRUS PHYTOPATHOGENE ; VIRUS ; RELATION PLANTE-INSECTE ; SYMBIOSE

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- UMR IGEPP
633241 : UMR Institut de génétique environnement et protection des plantes (UMR IGEPP) - Cote = B-1409

Article Sex versus parthenogenesis: A transcriptomic approach of photoperiod response in the model aphid Acyrthosiphon pisum (Hemiptera: Aphididae) Cortes, Teresa ; Tagu, Denis ; Simon, Jean-Christophe ; Moya, Andrès ; Martinez-Torres, David

Gene, 2008 , Volume 408 , n° 1-2 , 146-156 p. [ ISSN : 0378-1119 ]

Résumé :
Most aphids develop a cyclic parthenogenesis life-cycle. After several generations of viviparous parthenogenetic females, it follows a single annual generation of sexual individuals, usually in autumn, that mate and lay the sexual eggs. Shortening of photoperiod at the end of the summer is a key...Most aphids develop a cyclic parthenogenesis life-cycle. After several generations of viviparous parthenogenetic females, it follows a single annual generation of sexual individuals, usually in autumn, that mate and lay the sexual eggs. Shortening of photoperiod at the end of the summer is a key factor inducing the sexual response. With the survey here reported we aimed at identifying a collection of candidate genes to participate at some point in the cascade of events that lead to the sexual phenotypes. Following a suppression subtractive hybridization methodology (SSH) on the model aphid Acyrthosiphon pisum, we built and characterised two reciprocal cDNA libraries (SDU and SDD) enriched respectively in genes up-regulated or down-regulated by short photoperiod conditions that lead to the sexual response in this aphid species. A total of 557 ESTs were obtained altogether representing 223 non-overlapping contigs. 29% of these were new sequences not present in previous aphid EST libraries. BLAST searches allowed putative identification of about 54% of the contigs present in both libraries. Relative quantification of expression through real-time quantitative PCR demonstrated the differential expression in relation with the photoperiod of 6 genes (3 up-regulated and 3 down-regulated by shortening the day length). Among these, expression of a tubulin gene, two cuticular proteins and a yet unidentified sequence along the day-night cycle was further investigated. Implications for current studies on gene regulation of the dichotomy sex vs. parthenogenesis in aphids are discussed.

PUCERON ; PARTHENOGENESE ; PHOTOPERIODE ; ACYRTHOSIPHON PISUM ; HYBRIDATION SOUSTRACTIVE ET SUPPRESSIVE
CYCLE DE VIE ; GENE ; EXPRESSION GENIQUE

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- UMR IGEPP
633247 : UMR Institut de génétique environnement et protection des plantes (UMR IGEPP) - Cote = B-1389

Article Large-scale gene discovery in the pea aphid Acyrthosiphon pisum (Hemiptera) Sabater-Muñoz, Beatriz ; Legeai F ; Rispe, Claude ; Bonhomme, Joël ; Dearden P ; Dossat C ; Duclert A ; Gauthier, Jean-Pierre ; Giblot-Ducray, Danièle ; Hunter, Wayne ; Dang, Phat ; Kambhampati, Srini ; Martinez-Torres, David ; Cortes, Teresa ; Moya, Andrès ; Nakabachi, Atsushi ; Philippe, Cathy ; Prunier-Leterme, Nathalie ; Rahbé, Yvan ; Simon, Jean-Christophe ; Stern, David L. ; Wincker, Patrick ; Tagu, Denis

Genome Biology, 2006 , Volume 7 , n° 3 , R21-11 p.

ACYRTHOSIPHON PISUM ; PUCERON ; POIS ; TAGS

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- UMR IGEPP
630025 : UMR Institut de génétique environnement et protection des plantes (UMR IGEPP) - Cote = B-1213

Article Tempo and mode of early gene loss in endosymbiotic bacteria from insects Delmotte, François ; Rispe, Claude ; Schaber, Jörj ; Silva, Francisco J. ; Moya, Andrès

BMC Evolutionary Biology, 2006 , Volume 6 , 56-68 p.

EVOLUTION ; INSECTE

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- UMR IGEPP
630007 : UMR Institut de génétique environnement et protection des plantes (UMR IGEPP) - Cote = B-1282

Article Gene expression levels influence amino acid usage and evolutionary rates in endosymbiotic bacteria Schaber, Jörj ; Rispe, Claude ; Wernegreen, Jennifer ; Buness, Andreas ; Delmotte, François ; Silva, Francisco J. ; Moya, Andrès

Gene, 2005 , Volume 352 , 109-117 p.

BLOCHMANNIA ; BUCHNERA ; EXPRESSION GENIQUE ; INSECTE ; VARIATION ; WIGGLESWORTHIA

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630096 : UMR Institut de génétique environnement et protection des plantes (UMR IGEPP) - Cote = B-1252

Article Mutational and selective pressures on codon and amino acid usage in Buchnera, endosymbiotic bacteria of aphids Rispe, Claude ; Delmotte, François ; Van Ham RCHJ ; Moya, Andrès

Genome Research, 2004 , Volume 14 , n° 1 , 44-53 p.

PUCERON ; BACTERIE ; ENDOSYMBIOSE ; RESISTANCE

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- UMR IGEPP
630132 : UMR Institut de génétique environnement et protection des plantes (UMR IGEPP) - Cote = B-1132

Article Assessing the nucleotide diversity of three aphid species by RAPD Martinez-Torres, David ; Carrio, R. ; Latorre, Amparo ; Simon, Jean-Christophe ; Hermoso, A. ; Moya, Andrès

Journal of Evolutionary Biology (CHE), 1997 , Volume 10 , 459-477 p.

PUCERON ; APHIDIDAE ; RAPD ; INSECTE ; RAVAGEUR DES PLANTES ; STRUCTURE DE LA POPULATION ; VARIATION GENETIQUE ; GENETIQUE MITOCHONDRIALE ; ALLOZYME ; NUCLEOTIDE ; PCR

Localiser cette bibliothèque :
- UMR IGEPP
630846 : UMR Institut de génétique environnement et protection des plantes (UMR IGEPP) - Cote = Z-761

Article Geographic distribution and seasonal variation of mitochondrial DNA haplotypes in the aphid Rospalosiphum padi (Hemiptera: Aphididae) Martinez-Torres, David ; Moya, Andrès ; Hebert, P.D.N. ; Simon, Jean-Christophe

Bulletin of Entomological Research (GBR), 1997 , Volume 87 , 161-167 p.

PUCERON ; HEMIPTERE ; ROSPALOSIPHUM PADI ; INSECTE ; PARTHENOGENESE ; CYCLE DE DEVELOPPEMENT ; DISTRIBUTION GEOGRAPHIQUE ; VARIATION SAISONNIERE ; VARIATION GENETIQUE ; ADN ; MITOCHONDRIE ; RFLP ; MARQUEUR GENETIQUE

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- UMR IGEPP
630847 : UMR Institut de génétique environnement et protection des plantes (UMR IGEPP) - Cote = Z-742

Article Genetic variation in natural populations of the aphid Rhopalosiphum padi as revealed by maternally inherited markers Martinez-Torres, David ; Simon, Jean-Christophe ; Fereres, A. ; Moya, Andrès

Molecular Ecology (GBR), 1996 , Volume 5 , 659-670 p.

PUCERON ; APHIDIDAE ; RHOPALOSIPHUM PADI ; INSECTE ; RAVAGEUR DES PLANTES ; STRUCTURE DE LA POPULATION ; VARIATION GENETIQUE ; CYCLE DE DEVELOPPEMENT ; PARTHENOGENESE ; CLONE ; GENETIQUE MITOCHONDRIALE ; RFLP ; DYNAMIQUE DES POPULATIONS

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- UMR IGEPP
630792 : UMR Institut de génétique environnement et protection des plantes (UMR IGEPP) - Cote = Z-705

Article Molecular characterization of cyclic and obligate parthenogens in the aphid Rhopalosiphum padi (L.) Simon, Jean-Christophe ; Martinez-Torres, David ; Latorre, Amparo ; Moya, Andrès ; Hebert, P.D.N.

Proceedings Royal Society of London Biological Sciences (GBR), 1996 , Volume 263 , 481-486 p.

PUCERON ; HOMOPTERE ; RHOPALOSIPHUM ; DIFFERENCIATION GENETIQUE ; ADN MITOCHONDRIAL ; MARQUEUR MOLECULAIRE ; PARTHENOGENESE

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- UMR IGEPP
630809 : UMR Institut de génétique environnement et protection des plantes (UMR IGEPP) - Cote = Z-686

Colloque Molecular markers linked to life cycle variation in the cereal aphid Rhopalosiphum padi L. (Homoptera : aphididae) Simon, Jean-Christophe ; Martinez-Torres, David ; Moya, Andrès ; Latorre, Amparo ; Hebert, P.D.N.

631832 : UMR Institut de génétique environnement et protection des plantes (UMR IGEPP) - Cote = Z-703

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- UMR IGEPP

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