AI Article Synopsis
- The study focuses on the yellow fever mosquito as a key vector for diseases like dengue and chikungunya in Ecuador, emphasizing the need to understand its genetics for effective control strategies.
- Researchers analyzed the ND4 mitochondrial gene from mosquito samples at 17 sites in Ecuador, finding two distinct haplotypes that indicate limited genetic diversity among populations.
- Results showed that geographical barriers have minimal impact on the genetic structure of these mosquito populations, suggesting that genetic identity must be considered in vector control planning.
Article Abstract
, also known as the yellow fever mosquito, is the main vector of several arboviruses. In Ecuador, dengue and chikungunya are the most prevalent mosquito-borne diseases. Hence, there is a need to understand the population dynamics and genetic structure of the vector in tropical areas for a better approach towards effective vector control programs. This study aimed to assess the genetic diversity of , through the analyses of the mitochondrial gene ND4, using a combination of phylogenetic and population genetic structure from 17 sites in Ecuador. Results showed two haplotypes in the Ecuadorian populations of . Haplotype 1 was closely related to reported from America, Asia, and West Africa. Haplotype 2 was only related to samples from America. The sampled vectors from the diverse localities showed low nucleotide diversity (π = 0-0.01685) and genetic differentiation (FST = 0.152). AMOVA analyses indicated that most of the variation (85-91%) occurred within populations, suggesting that geographical barriers have little effect on the genetic structure of Ecuadorian populations of . These results agree with the one main population (K = 1) detected by Structure. Vector genetic identity may be a key factor in the planning of vector control strategies.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7996963 | PMC |
| http://dx.doi.org/10.3390/insects12030200 | DOI Listing |
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