Center for the Production and Infection of Anopheles  

  HEADBOURGOUIN Catherine, PhD /
  MEMBERSDr MITRI, Christian (Post doc)/ Dr THIERY Isabelle (Engineer)/ JACQUES Jean-Claude (Technicien superieur)/ LANDIER Annie ((Technicienne supérieure)/THOUVENOT Catherine (Technicienne)/ TOURON Solange (Technicienne)/ LECOQ Marie-Thérèse (Technicienne)/ GARNERO Sylvie (Secrétaire)

  Annual Report

The CEPIA,CEnter for Production and Infection of Anopheles, has been created to fulfil the needs of several teams of the Institute in Anopheles mosquitoes for diverse scientific programs in Malariology (Parasitology and Entomology). The basic concept was to concentrate in a single structure the production capacity and the competences for manipulating Anopheles mosquitoes.

As the ultimate goal of many projects in Malariology is to find ways to interrupt transmission of human malaria, the CEPIA has also capitalized in the production of Plasmodium falciparum gametocytes and of mosquitoes infected with this parasite species. These mosquitoes are used for studying Plasmodium-mosquito interactions and as a source of sporozoites that cannot be produced in vitro.

The objectives of the CEPIA are :

  1. mass production of Anopheles mosquitoes that are natural hosts and vectors, or laboratory hosts for diverse Plasmodium species,

  2. production and maintenance of diverse Anopheles species or strains,

  3. providing lab facilities, equipment and expertise for the research teams in order to:

    1. perform mosquito infection with rodent malaria parasites,

    2. perform mosquito dissections or manipulations,

  4. producing P. falciparum gametocytes and performing Anopheles infection with this parasite species,

  5. set up functional genomic tools in Anopheles, such as transgenesis and RNAi.

To ensure an intensive production of good quality mosquitoes, a quality system has been developed that includes standardized procedures for production and quality control tools, such as the weekly survey of the mosquito receptivity to a P. berghei GFP reference strain.

Since Avril 2006, we have successfully established routine infection of Anopheles with P. falciparum. This achievement permits to address several scientific issues pertaining to the transmission of the human malaria parasite including mosquito refractoriness and vaccine developments. Several collaborations, within and outside the Institute, have been initiated.. In particular, we contribute to the functional genomic analysis of the An. gambiae APL1 locus, in collaboration with Prof K. Vernick (GGIV).

In the context of ecological survey of the effects of the Global Climate Changes, the CEPIA contributed with national and international teams to assess the competency of wild populations of European Anopheles species to P . falciparum.

Besides its ability to provide mosquito and parasite samples, the CEPIA is providing its expertise in Anopheles biology and functional genomics using RNA interference. As such, it interacts with several groups in France and Europe. As an example, the CEPIA has significantly contributed to the analysis of the stereoidogenesis pathways in An. gambiae. This led to the discovery of an yet un-described situation in insects: the high production of the insect female vitellogenic hormone by male mosquitoes and its transfer to the female during mating. (Pondeville et al, PNAS 2008)

Keywords: Plasmodium, Anopheles, sporozoite, oocyst, RNAi, malaria, interaction



Pondeville E, Maria A, Jacques JC, Bourgouin C, Dauphin-Villemant C.(2008) Anopheles gambiae males produce and transfer the vitellogenic steroid hormone 20-hydroxyecdysone to females during mating.Proc Natl Acad Sci U S ADec 16;105(50):19631-6. Epub 2008 Dec 5..PMID: 19060216

Robert V, Bourgouin C, Depoix D, Thouvenot C, Lombard MN, Grellier P.(2008) Malaria and obesity: obese mice are resistant to cerebral malaria. Malar J. May 19;7:81. PMID: 18489748

Lambrechts L, Morlais I, Awono-ambene P., Cohuet A., Simard F., Jacques J.-C., Bourgouin C., and Koella J.(2007). Effect of infection by Plasmodium falciparum on the melanization immune response of Anopheles gambiae. American journal of Tropical Medicine and Hygiene, 78, 3, PMID: 17360870

Frischknecht, F., Martin, B., Thiery, I., Bourgouin, C. And Robert Menard (2006) “Using green fluorescent malaria parasites to screen for permissive vector mosquitoes”. Malaria J.5: 23, PMID: 16569221

Boisson, B., J. C. Jacques, V. Choumet, E. Martin, J. Xu, K. Vernick, and C. Bourgouin. 2006. Gene silencing in mosquito salivary glands by RNAi. FEBS Lett 580:1988-92. PMID: 16530187

Activity Reports 2009 - Institut Pasteur
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