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Science. 2006 Apr 28;312(5773):577-9.

Natural malaria infection in Anopheles gambiae is regulated by a single genomic control region.

Author information

1
Center for Microbial and Plant Genomics and Department of Microbiology, University of Minnesota, St. Paul, MN 55108, USA.

Abstract

We surveyed an Anopheles gambiae population in a West African malaria transmission zone for naturally occurring genetic loci that control mosquito infection with the human malaria parasite, Plasmodium falciparum. The strongest Plasmodium resistance loci cluster in a small region of chromosome 2L and each locus explains at least 89% of parasite-free mosquitoes in independent pedigrees. Together, the clustered loci form a genomic Plasmodium-resistance island that explains most of the genetic variation for malaria parasite infection of mosquitoes in nature. Among the candidate genes in this chromosome region, RNA interference knockdown assays confirm a role in Plasmodium resistance for Anopheles Plasmodium-responsive leucine-rich repeat 1 (APL1), encoding a leucine-rich repeat protein that is similar to molecules involved in natural pathogen resistance mechanisms in plants and mammals.

PMID:
16645095
DOI:
10.1126/science.1124153
[Indexed for MEDLINE]
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