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Natural diversity of the malaria vector Anopheles gambiae

The Anopheles gambiae 1000 Genomes Consortium
doi: https://doi.org/10.1101/096289
1Malaria Programme, Wellcome Trust Sanger Institute, Hinxton, Cambridge CB10 1SA, UK
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Abstract

The sustainability of malaria control in Africa is threatened by rising levels of insecticide resistance, and new tools to prevent malaria transmission are urgently needed. To gain a better understanding of the mosquito populations that transmit malaria, we sequenced the genomes of 765 wild specimens of Anopheles gambiae and Anopheles coluzzii sampled from 15 locations across Africa. The data reveal high levels of genetic diversity, with over 50 million single nucleotide polymorphisms across the 230 Mbp genome. We observe complex patterns of population structure and marked variations in local population size, some of which may be due at least in part to malaria control interventions. Insecticide resistance genes show strong signatures of recent selection associated with multiple independent mutations spreading over large geographical distances and between species. The genetic variability of natural populations substantially reduces the target space for novel gene-drive strategies for mosquito control. This large dataset provides a foundation for tracking the emergence and spread of insecticide resistance and developing new vector control tools.

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The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY 4.0 International license.
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Posted December 22, 2016.
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Natural diversity of the malaria vector Anopheles gambiae
The Anopheles gambiae 1000 Genomes Consortium
bioRxiv 096289; doi: https://doi.org/10.1101/096289
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Natural diversity of the malaria vector Anopheles gambiae
The Anopheles gambiae 1000 Genomes Consortium
bioRxiv 096289; doi: https://doi.org/10.1101/096289

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