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© Research
Publication : mSphere

Differential intra-host infection kinetics in Aedes aegypti underlie superior transmissibility of African relative to Asian Zika virus.

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in mSphere - 20 Dec 2023

Phengchat R, Pakparnich P, Pethrak C, Pengon J, Sartsanga C, Chotiwan N, Uppakara K, Suksirisawat K, Lambrechts L, Jupatanakul N

Link to Pubmed [PMID] – 37943061

Link to DOI – 10.1128/msphere.00545-23

mSphere 2023 Dec; 8(6): e0054523

The recent Zika virus (ZIKV) epidemic in the Americas highlights its potential public health threat. While the Asian ZIKV lineage has been identified as the main cause of the epidemic, the African lineage, which has been primarily confined to Africa, has shown evidence of higher transmissibility in Aedes mosquitoes. To gain a deeper understanding of this differential transmissibility, our study employed a combination of tissue-level infection kinetics and single-cell-level infection kinetics using in situ immunofluorescent staining. We discovered that the African ZIKV lineage propagates more rapidly and spreads more efficiently within mosquito cells and tissues than its Asian counterpart. This information lays the groundwork for future exploration of the viral and host determinants driving these variations in propagation efficiency.