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Full Genome Analysis of Circulating DENV-2 in Senegal Reveals a Regional Diversification Into Separate Clades <strong> </strong><strong> </strong>

Domaine:

healthcare

Type de record:

paper
Créateur:
IdrAmaMigMou
Éditeur:
MDP
Hôte:
To assess the genetic diversity of circulating dengue virus 2 in Senegal in 2018 we performed molecular characterization by complete genome sequencing and performing phylogenetic analysis. Sequenced strains belong to Cosmopolitan genotype of DENV-2 we observed intra-genotype variability leading to a divergence in two clades with differential geographic distribution. We report two variants namely; the “Northern variant” harbouring three nonsynonymous mutations (V1183M, R1405K, P2266T) located respectively on NS2A, NS2B and NS4A and the “Western variant” with two nonsynonymous mutations (V1185E, V3214E) located respectively in the NS2A gene and the NS5 gene. Findings calls for in depth in vitro and functional study to elucidate the impact of observed mutations on viral fitness, spread, epidemiology and disease outcome.

Licenses

http://creativecommons.org/licenses/by/4.0

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