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1 results

  • Genetic complexity and gametocyte production of Plasmodium falciparum in Fulani and Mossi communities in Burkina Faso

  • G. M. PAGANOTTI, C. PALLADINO, D. MODIANO, B. S. SIRIMA, L. RÅBERG, A. DIARRA, A. KONATÉ, M. COLUZZI, D. WALLIKER, H. A. BABIKER
  • Journal:
    Parasitology / Volume 132 / Issue 5 / May 2006
    Published online by Cambridge University Press:
    18 January 2006, pp. 607-614

  • We have examined Plasmodium falciparum gametocyte prevalence, density and their genetic complexity among children of 2 sympatric ethnic groups (Mossi and Fulani) in villages in Burkina Faso. The 2 groups are known to have distinct differences in their susceptibility and immune responses to malaria. We used RT-PCR and sequence-specific probes to detect and type RNA of the gametocyte-specific protein Pfs48/45. There were no differences in detection rates of asexual forms and gametocytes among the 2 groups, using PCR and RT-PCR, respectively. However, there were significant differences in densities of asexual forms and gametocytes, which were both higher among Mossi than Fulani. Both asexual forms and gametocyte densities were influenced by age and ethnicity. Multiple-clone infections with more than 1 gametocyte genotype were equally prevalent among Fulani and Mossi. These differences can most probably be attributed to genetic differences in malaria susceptibility in the 2 ethnic groups.