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Horizontal transfer of parasitic sex ratio distorters between crustacean hosts

Dunn, A.M. and Rigaud, T. (1998) Horizontal transfer of parasitic sex ratio distorters between crustacean hosts. Parasitology, 117 (1). pp. 15-19. ISSN 1469-8161

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Abstract

Parasitic sex ratio distorters were artificially transferred within and between crustacean host species in order to study the effects of parasitism on host fitness and sex determination and to investigate parasite–host specificity. Implantation of Nosema sp. to uninfected strains of its Gammarus duebeni host resulted in an active parasite infection in the gonad of recipient females and subsequent transovarial parasite transmission. The young of artificially infected females were feminized by the parasite, demonstrating that Nosema sp. is a cause of sex ratio distortion in its host. In contrast, we were unable to cross-infect Armadillidium vulgare with the feminizing microsporidian from G. duebeni or to cross-infect G. duebeni with the feminizing bacterium Wolbachia sp. from A. vulgare.

Item Type: Article
Copyright, Publisher and Additional Information: Copyright © 1998 Cambridge University Press.
Keywords: artificial infection, Nosema sp., Wolbachia sp., sex ratio distorter, feminization
Institution: The University of Leeds
Academic Units: The University of Leeds > Faculty of Biological Sciences (Leeds) > Institute of Integrative and Comparative Biology (Leeds)
Depositing User: Repository Officer
Date Deposited: 14 Mar 2006
Last Modified: 05 Jun 2014 07:53
Published Version: http://dx.doi.org/10.1017/S0031182098002820
Status: Published
Refereed: Yes
Identification Number: 10.1017/S0031182098002820
URI: http://eprints.whiterose.ac.uk/id/eprint/1010

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