Dynamic proteomic analysis of Aedes aegypti Aag-2 cells infected with Mayaro virus.

Parasites & Vectors
Anna Fernanda VasconcellosSébastien Charneau

Abstract

Mayaro virus (MAYV) is responsible for a mosquito-borne tropical disease with clinical symptoms similar to dengue or chikungunya virus fevers. In addition to the recent territorial expansion of MAYV, this virus may be responsible for an increasing number of outbreaks. Currently, no vaccine is available. Aedes aegypti is promiscuous in its viral transmission and thus an interesting model to understand MAYV-vector interactions. While the life-cycle of MAYV is known, the mechanisms by which this arbovirus affects mosquito host cells are not clearly understood. After defining the best conditions for cell culture harvesting using the highest virus titer, Ae. aegypti Aag-2 cells were infected with a Brazilian MAYV isolate at a MOI of 1 in order to perform a comparative proteomic analysis of MAYV-infected Aag-2 cells by using a label-free semi-quantitative bottom-up proteomic analysis. Time-course analyses were performed at 12 and 48 h post-infection (hpi). After spectrum alignment between the triplicates of each time point and changes of the relative abundance level calculation, the identified proteins were annotated and using Gene Ontology database and protein pathways were annotated using the Kyoto Encyclopedia of Genes and Genomes...Continue Reading

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Citations

Jun 16, 2021·Annual Review of Virology·Alice Fletcher-Etherington, Michael P Weekes

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Methods Mentioned

BETA
light microscopy
acetylation
PCA

Software Mentioned

FactoMineR
Blast2Go
R environment
Progenesis QI for
R
BlastKOALA
Mascot
Metaboanalyst
GraphPad Prism
Xcalibur

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