Transovarial Transmission of Chikungunya Virus by Aedes albopictus Mosquitoes Ingesting Microfilariae of Dirofilaria immitis under Laboratory Conditions

Female Aedes albopictus mosquitoes of the Miki strain were experimentally fed on defibrinated sheep blood containing 5×107PFU of chikungunya virus and 20, 000 microfilariae of Dirofilaria immitis per milliliter. Fully engorged mosquitoes transmitted the virus to a small percentage of the F1 progeny,...

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Bibliographic Details
Published in:MICROBIOLOGY and IMMUNOLOGY 1993, Vol.37(5), pp.419-421
Main Authors: Zytoon, Eiman M., El-Belbasi, Hussein I., Matsumura, Takeo
Format: Article
Language:English
Subjects:
Aedes - microbiology
Aedes - parasitology
Aedes albopictus
Animals
Biological and medical sciences
Chikungunya virus
Chikungunya virus - growth & development
Culicidae
Diptera
Dirofilaria immitis
Dirofilariasis - blood
Dog Diseases - blood
Dog Diseases - parasitology
Dogs
Female
Fundamental and applied biological sciences. Psychology
Larva - microbiology
Male
Microbiology
Microfilariae
Replicative cycle, interference, host-virus relations, pathogenicity, miscellaneous strains
Togaviridae Infections - transmission
Transovarial transmission
Virology
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Summary:Female Aedes albopictus mosquitoes of the Miki strain were experimentally fed on defibrinated sheep blood containing 5×107PFU of chikungunya virus and 20, 000 microfilariae of Dirofilaria immitis per milliliter. Fully engorged mosquitoes transmitted the virus to a small percentage of the F1 progeny, but females of the F1 generation did not transmit the virus to the F2 progeny. The control mosquitoes that ingested the virus without microfilariae did not transmit the virus to their eggs, larvae, or pupae in the F1 or F2 generations. These results showed that A. albopictus of this strain that concurrently ingested the virus and microfilariae transmitted the virus by the transovarial route under experimental conditions.
ISSN:0385-5600
1348-0421
DOI:10.1111/j.1348-0421.1993.tb03232.x