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Characterization and PCR multiplexing of polymorphic microsatellite loci for the invasive ant Wasmannia auropunctata Inra
Fournier, D.; Foucaud, J.; Loiseau, A.; Cros-Arteil, S.; Jourdan, H.; Orivel, J.; Le Breton, J.; Chazeau, J.; Dejean, A.; Keller, L.; Estoup, A..
Highly polymorphic genetic markers provide a useful tool for estimating genetic parametersin studies of the evolution of sociality in insects. We isolated and characterized 12 polymorphicmicrosatellite loci in the invasive ant, Wasmannia auropunctata, and described experimental conditions for PCR (polymerase chain reaction) multiplexing and simultaneously genotyping these loci in two sets of five and seven markers. The number of alleles per locus ranged from two to 14 and the observed heterozygosity ranged from 0.233 to 0.967. Moreover, results of cross-species amplification tests are reported in three other species of Wasmannia and in two species of the genus Allomerus
Tipo: Journal Article Palavras-chave: STRUCTURE GENETIQUE; POLYMORPHISME ANTS; BLEPHARIDATTINI; ESPECE ENVAHISSANTE; MICROSATELLITES; MYRMICINAE; PEST.
Ano: 2005 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20074ea97322&uri=/notices/prodinra1/2007/08/
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Ecologically heterogeneous populations of the invasive ant Wasmannia auropunctata within its native and introduced ranges Inra
Orivel, J.; Grangier, J.; Foucaud, J.; Le Breton, J.; Andrès, F.X.; Jourdan, H.; Delabie, J.H.C.; Fournier, D.; Cerdan, P.; Facon, B.; Estoup, A.; Dejean, A..
The biology of most invasive species in their native geographical areas remains largely unknown. Such studies are, however, crucial in shedding light on the ecological and evolutionary processes underlying biological invasions.The present study focuses on the little fire ant 2. Wasmannia auropunctata, a species native to Central and South America that has been widely introduced and which has become invasive throughout the tropics. We characterise and compare several ecological traits of native populations in French Guiana with those in one of its introduced ranges, New Caledonia.We found ecologically heterogeneous populations of 3. W. auropunctata coexisting in the species’ native geographical area. First, we found populations restricted to naturally...
Tipo: Journal Article Palavras-chave: BIOLOGICAL INVASION; DISTURBANCE; ECOLOGICAL RAITS; NATIVE; WASMANNIA AUROPUNCTATA; AIRE DE REPARTITION NATURELLE; ESPECES INVASIVES; FOURMI DE FEU.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2011edf5f41a&uri=/notices/prodinra1/2011/06/
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Les relations entre Scaphopetalum thonneri (de Wildeman et Durand) (Sterculiaceae) et les hôtes de ses domaties IRD
Dejean, A.; Djieto-Lordon, C..
Une enquête écologique portant sur le contenu des poches foliaires du myrmécophyte #Scaphopetalum thonneri$ a permis de mettre en évidence une relation entre cette plante et différentes espèces de fourmis. Les #Technomyrmex$ (#Dolichoderinae$) sont les plus fréquentes. On trouve aussi des #Tetramorium$ et des #Crematogaster$ (#Myrmicinae$). Ces poches abritent également des fondations de #Cataulacus$, #Crematogaster$, #Pheidole$, #Tetramorium$ (#Myrmicinae$) et de la #Ponerinae Discothyrea oculata$. Les reines fondatrices de cette dernière s'installent dans des poches occupées par des pontes d'araignées. Elles approvisionnent ensuite leur couvain à partir des oeufs d'araignée. Des #Lombricidae$, de nombreux arthropodes et des gastéropodes ont également été...
Tipo: Text Palavras-chave: ECOLOGIE; FORET DENSE; ARBUSTE; INSECTE; RELATION INTERSPECIFIQUE; FOURMI; MYRMECOPHYTE; ARAIGNEE.
Ano: 1996 URL: http://www.documentation.ird.fr/hor/fdi:010009682
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PARP-1 transcriptional activity is regulated by sumoylation upon heat shock Inra
Martin, N.; Schwamborn, K.; Schreiber, V.; Werner, A.; Guillier, C.; Zhang, X.D.; Bischof, O.; Seeler, J.S.; Dejean, A..
Heat shock and other environmental stresses rapidly induce transcriptional responses subject to regulation by a variety of post-translational modifications. Among these, poly(ADP-ribosyl)ation and sumoylation have received growing attention. Here we show that the SUMO E3 ligase PIASy interacts with the poly(ADP-ribose) polymerase PARP-1, and that PIASy mediates heat shock-induced poly-sumoylation of PARP-1. Furthermore, PIASy, and hence sumoylation, appears indispensable for full activation of the inducible HSP70.1 gene. Chromatin immunoprecipitation experiments show that PIASy, SUMO and the SUMO-conjugating enzyme Ubc9 are rapidly recruited to the HSP70.1 promoter upon heat shock, and that they are subsequently released with kinetics similar to PARP-1....
Tipo: Journal Article Palavras-chave: HEAT SHOCK; PARP-1; SUMO.
Ano: 2009 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2011f23bc300&uri=/notices/prodinra1/2011/05/
Registros recuperados: 4
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