Wolbachia Infection in a Natural Parasitoid Wasp Population

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Duplouy , A , Couchoux , C , Hanski , I & van Nouhuys , S 2015 , ' Wolbachia Infection in a Natural Parasitoid Wasp Population ' , PLoS One , vol. 10 , no. 8 , 0134843 . https://doi.org/10.1371/journal.pone.0134843

Title: Wolbachia Infection in a Natural Parasitoid Wasp Population
Author: Duplouy, Anne; Couchoux, Christelle; Hanski, Ilkka; van Nouhuys, Saskya
Contributor: University of Helsinki, Biosciences
University of Helsinki, University of Sussex
University of Helsinki, Biosciences
University of Helsinki, Biosciences
Date: 2015-08-05
Language: eng
Number of pages: 16
Belongs to series: PLoS One
ISSN: 1932-6203
URI: http://hdl.handle.net/10138/160524
Abstract: The maternally transmitted bacterium Wolbachia pipientis is well known for spreading and persisting in insect populations through manipulation of the fitness of its host. Here, we identify three new Wolbachia pipientis strains, wHho, wHho2 and wHho3, infecting Hyposoter horticola, a specialist wasp parasitoid of the Glanville fritillary butterfly. The wHho strain (ST435) infects about 50% of the individuals in the Aland islands in Finland, with a different infection rate in the two mitochondrial (COI) haplotypes of the wasp. The vertical transmission rate of Wolbachia is imperfect, and lower in the haplotype with lower infection rate, suggesting a fitness trade-off. We found no association of the wHho infection with fecundity, longevity or dispersal ability of the parasitoid host. However, preliminary results convey spatial associations between Wolbachia infection, host mitochondrial haplotype and parasitism of H. horticola by its hyperparasitoid, Mesochorus cf. stigmaticus. We discuss the possibility that Wolbachia infection protects H. horticola against hyperparasitism.
Subject: INDUCED CYTOPLASMIC INCOMPATIBILITY
BUTTERFLY HYPOLIMNAS-BOLINA
MALE-KILLING WOLBACHIA
DROSOPHILA-SIMULANS
ENDOSYMBIONT WOLBACHIA
PHYLOGENETIC ANALYSIS
MITOCHONDRIAL-DNA
HOST
DYNAMICS
SYMBIONT
1181 Ecology, evolutionary biology
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