TAILIEUCHUNG - Báo cáo sinh học: " Genetic variability of host-parasite relationship traits: utilization of isofemale lines in a Drosophila simulans parasitic wasp"

Tuyển tập các báo cáo nghiên cứu về sinh học được đăng trên tạp chí sinh học Journal of Biology đề tài: Genetic variability of host-parasite relationship traits: utilization of isofemale lines in a Drosophila simulans parasitic wasp | Genet. Sei. Evol. 1989 21 437-446 Elsevier INRA 437 Original article Genetic variability of host-parasite relationship traits utilization of isofemale lines in a Drosophila simulans parasitic wasp Y. Carton u p. Capy 1 and A. J. Nappi2 1 Centre National de la Recherche Scientifique Laboratoire de Biologic et Génétique Evolutives 91198 Gif-sur- Yvette Cédex France 2 Department of Biology Loyola University of Chicago Chicago IL 60626 USA received 3 November 1988 accepted 21 August 1989 Summary - We investigated genetic variability of traits involved in the successful parasitization of larvae of Drosophila melanogaster and D. simulant by the hymenopteran parasite Leptopilina boulardi. Characters studied were the rate of infestation overall developmental success ability to escape host encapsulation developmental success after eclosion and physiological incompatibility betweep the 2 partners. These investigations were performed over 3_generations Gl G2 and G4 using 14 isofemale lines of L. boulardi collected in Tunisia. The host was D. simulans. For the first 4 traits the mean values were relatively constant from 1 generation to another. Comparisons of variability within and between isofemale lines of the same generation and correlations between generations indicate a genetic component for 2 traits overall developmental success and ability to evade encapsulation. Drosophila parasitoids - host infestation - developmental success - encapsulation escape - genetic variability Resume - Variabilité génétique dans les relations hôte-parasitoĩde utilisation des lignées isofemelles chez un hỵménoptère parasite de drosophile. La variạbilité génétique de caracteres impliques dans lesucces d infestation de larves de Drosophila melanogaster et de D. simulans par Leptopilina boulardi un hyménoptère parasite a été entreprise. Les caractères étudiés étaient le taux d infestation le succès de développement global aptitude à éyiter r encapsulation parThôte le succès dedéveloppementaprès

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