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The effects ofNosema algerae on the development ofPlasmodium yoelii nigeriensis inAnopheles stephensi

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Abstract

Experimental simultaneous infections ofAnopheles stephensi (Diptera: Culicidae) withNosema algerae (Microsporida: Nosematidae) andPlasmodium yoelli nigeriensis under standardized laboratory conditions showed partial suppression of the malaria parasite. At 9 days after an infective bloodmeal, the oocysts in the midgut were counted; 12.1%–66.6% of the double-infected mosquitoes exhibited no oocysts, whereas only 4.5%–12% of the control group showed no oocysts. The mean reduction in oocyst numbers under the influence ofNosema was 84.68%. At 14 days after infection withPlasmodium, the amount of sporozoites was examined; their mean reduction in eight experiments was 70%.

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Authors and Affiliations

  1. Institut für Medizinische Parasitologie der Universität Bonn, Sigmund-Freud-Strasse 25, W-5300, Bonn 1, Germany

    W. Schenker, W. A. Maier & H. M. Seitz

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  1. W. Schenker
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  2. W. A. Maier
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  3. H. M. Seitz
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Schenker, W., Maier, W.A. & Seitz, H.M. The effects ofNosema algerae on the development ofPlasmodium yoelii nigeriensis inAnopheles stephensi . Parasitol Res 78, 56–59 (1992). https://doi.org/10.1007/BF00936182

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  • DOI: https://doi.org/10.1007/BF00936182

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