Susceptibility of Field-Collected to spp. in Western Amazonian Brazil.

Genes (Basel)

Departamento de Epidemiologia, Faculdade de Saúde Pública, Universidade de São Paulo, São Paulo 05508-060, Brazil.

Published: October 2021

AI Article Synopsis

  • This study explores the genetic factors that affect mosquito susceptibility to malaria infection in Brazil, focusing on a dominant malaria vector species.
  • Researchers employed a genome-wide association study (GWAS) to analyze thousands of genetic variants, identifying significant SNPs linked to mosquito susceptibility to malaria.
  • The findings highlight key genes like Cytochrome P450 that could influence malaria transmission dynamics, providing valuable insights for malaria control strategies in endemic regions.

Article Abstract

Mosquito susceptibility to  spp. infection is of paramount importance for malaria occurrence and sustainable transmission. Therefore, understanding the genetic features underlying the mechanisms of susceptibility traits is pivotal to assessing malaria transmission dynamics in endemic areas. The aim of this study was to investigate the susceptibility of -the dominant malaria vector in Brazil-to spp. using a reduced representation genome-sequencing protocol. The investigation was performed using a genome-wide association study (GWAS) to identify mosquito genes that are predicted to modulate the susceptibility of natural populations of the mosquito to infection. After applying the sequence alignment protocol, we generated the variant panel and filtered variants; leading to the detection of 202,837 SNPs in all specimens analyzed. The resulting panel was used to perform GWAS by comparing the pool of SNP variants present in   infected with spp. with the pool obtained in field-collected mosquitoes with no evidence of infection by the parasite (all mosquitoes were tested separately using RT-PCR). The GWAS results for infection status showed two statistically significant variants adjacent to important genes that can be associated with susceptibility to infection: Cytochrome P450 () and This study provides relevant knowledge on malaria transmission dynamics by using a genomic approach to identify mosquito genes associated with susceptibility to infection in in western Amazonian Brazil.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8623036PMC
http://dx.doi.org/10.3390/genes12111693DOI Listing

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