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Unlike Zika, Chikungunya virus interferes in the viability of Aedes aegypti eggs, regardless of females’ age

by Talyuli, Octávio A. C. , Farnesi, Luana Cristina , Cupolillo, Aline Possati , Resck, Maria Eduarda Barreto , Padilha, Karine Pedreira , Lourenço-de-Oliveira, Ricardo , Ferreira-de-Brito, Anielly , Bruno, Rafaela Vieira

in 631/250/255 / 631/250/255/2514 / Aedes - virology / Aedes aegypti / Animals / Aquatic insects / Chikungunya Fever - transmission / Chikungunya Fever - virology / Chikungunya virus / Chikungunya virus - isolation & purification / Eggs / Fecundity / Female / Females / Fertility / Humanities and Social Sciences / Mosquito Vectors - virology / Mosquitoes / multidisciplinary / Ovum - growth & development / Ovum - virology / Science / Science (multidisciplinary) / Vector-borne diseases / Zika virus / Zika Virus - isolation & purification / Zika Virus Infection - transmission / Zika Virus Infection - virology

2020

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Unlike Zika, Chikungunya virus interferes in the viability of Aedes aegypti eggs, regardless of females’ age

2020

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Unlike Zika, Chikungunya virus interferes in the viability of Aedes aegypti eggs, regardless of females’ age

2020

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Journal Article

Unlike Zika, Chikungunya virus interferes in the viability of Aedes aegypti eggs, regardless of females’ age

Talyuli, Octávio A. C.,

Farnesi, Luana Cristina,

Cupolillo, Aline Possati,

Resck, Maria Eduarda Barreto,

Padilha, Karine Pedreira,

Lourenço-de-Oliveira, Ricardo,

Ferreira-de-Brito, Anielly,

Bruno, Rafaela Vieira

2020

Overview

Chikungunya and Zika are arboviruses transmitted by the mosquito Aedes aegypti . Mosquito fecundity and egg viability are important parameters of vectorial capacity. Here we aim to understand, comparatively, the effects of Chikungunya virus (CHIKV) and Zika virus (ZIKV) infections on the fecundity and fertility of young and old Aedes aegypti females. Using artificial infection blood feeding experiments we observed that both CHIKV and ZIKV do not alter the number of eggs laid when compared to uninfected females, although the egg fertility significantly decreases in both young and old CHIKV-infected females. There is an upward trend of null females (infertile females) from 2.1% in young to 6.8% in old ZIKV-infected females. Together, our data revealed that CHIKV and ZIKV affects differently Ae. aegypti physiology, that may be related to different viral spread in nature.

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Publisher

Nature Publishing Group UK,Nature Publishing Group

Subject

/ Animals

/ Chikungunya Fever - transmission