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Experientia

, Volume 46, Issue 2, pp 224–225 | Cite as

Development of malaria parasites in mosquitoes fed with ookinetes suspended in defined media

  • M. Samish
Research Articles

Summary

Information concerning the specific nutritional requirements of malarial parasites developing in the mosquito host has been difficult to obtain, owing primarily to the complex nature of the blood meal that accompanies the parasites and the lack of success in culturing the complete invertebrate cycle ofPlasmodium in vitro. The present report describes a blood-free system for infecting mosquitoes with ookinetes ofPlasmodium berghei and for allowing the latter to develop into infective sporozoites. Ookinetes cultured in vitro were separated from blood proteins, suspended in defined medium, and fed toAnopheles stephensi mosquitoes through a membrane. The mosquitoes were then maintained on the same defined medium plus 5% sucrose. Infectivity of the parasites was demonstrated 17–19 days later by intracardial inoculation of the macerated mosquitoes into hamsters. This system makes it possible to evaluate nutritional factors that affect parasite development in the mosquito host under controlled conditions.

Key words

Anopheles stephensi Plasmodium berghei transmission of malaria artificial feeding of mosquitoes in vitro development ofPlasmodium 

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Copyright information

© Birkhäuser Verlag Basel 1990

Authors and Affiliations

  • M. Samish
    • 1
  1. 1.Department of Entomology and Economic Zoology, Cook CollegeRutgers UniversityNew BrunswickUSA

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