Culex pipiens affected by joint infection of a mosquito iridescent virus and Strelkovimermis spiculatus |
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Authors: | Muttis Evangelina Micieli María Victoria García Juan José |
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Institution: | Centro de Estudios Parasitológicos y Vectores (CEPAVE CONICET-CCT-La Plata-UNLP), Calle 2 No. 584, 1900 La Plata, Buenos Aires, Argentina |
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Abstract: | Dual infections with a mosquito iridescent virus (MIV) and the mermithid nematode, Strelkovimermis spiculatus were recorded in natural Culex pipiens populations around La Plata city, Argentina. S. spiculatus was detected in 82% of samples that were positive for MIV infection. Dissected larvae of Cx. pipiens with patent MIV infection presented 42% infection with S. spiculatus. Larvae of Cx. pipiens exposed to MIV and S. spiculatus under laboratory conditions produced a high joint infection rate (82.5%) while no infection was recorded on larvae exposed to virus suspension only. Field and laboratory results suggest a strong association between S. spiculatus and MIV in natural populations of Cx. pipiens, in which S. spiculatus could be a mode of entry for the virus into the mosquito hemocele. |
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Keywords: | Culex pipiens Iridoviridae Mermithidae |
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