Dunn, A.M. and Hatcher, M.J. (1997) The effect of salinity on transovarial transmission of a microsporidian infecting Gammarus duebeni. Parasitology, 115 (4). pp. 381-385. ISSN 1469-8161
Abstract
This is an investigation of the impact of salinity on transovarial transmission and burden of a microsporidian sex ratio distorter in the inter-tidal crustacean Gammarus duebeni. Exposure of parasitized mothers to increased salinity during the gonotrophic cycle caused an increase in parasite burden in the follicle cells and a decrease in burden in the oocytes. It appears that salinity impedes parasite transmission from the follicle cells to the oocytes during host oogenesis. A lower proportion of the young were infected in broods from elevated salinity and, in infected offspring, parasite burden was lower than in control embryos. Parasite replication occurred during embryogenesis. However, the pattern of parasite growth did not differ between salinities, indicating that differences in parasite burden could be attributed to a reduction in the initial parasite burden transmitted to the gamete, rather than to a reduction in parasite replication during host embryogenesis. We discuss our findings with respect to parasite/host dynamics and the ecology of the host.
Metadata
Item Type: | Article |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | Copyright © 1997 Cambridge University Press. |
Keywords: | microsporidian, salinity, parasite burden, transovarial transmission, Gammarus duebeni |
Dates: |
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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 17:23 |
Published Version: | http://dx.doi.org/10.1017/S0031182097001492 |
Status: | Published |
Refereed: | Yes |
Identification Number: | 10.1017/S0031182097001492 |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:1009 |