Natural Vertical Transmission of Zika Virus in Larval Aedes aegypti Populations, Morelos, Mexico

Izquierdo-Suzán, Mónica; Zárate, Selene; Torres-Flores, Jesús; Correa-Morales, Fabián; González-Acosta, Cassandra; Sevilla-Reyes, Edgar E.; Lira, Rosalia; Alcaraz-Estrada, Sofía L.; Yocupicio-Monroy, Martha

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Natural Vertical Transmission of Zika Virus in Larval Aedes aegypti Populations, Morelos, Mexico

August 2019
By Izquierdo-Suzán, Mónica ; Zárate, Selene ; Torres-Flores, Jesús ; ...
Source: Emerg Infect Dis. 25(8):1477-1484

[PDF-2.75 MB]

English

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Details:

Alternative Title:

Emerg Infect Dis
Personal Author:

Izquierdo-Suzán, Mónica ; Zárate, Selene ; Torres-Flores, Jesús ; Correa-Morales, Fabián ; González-Acosta, Cassandra ; ... More +

Izquierdo-Suzán, Mónica ; Zárate, Selene ; Torres-Flores, Jesús ; Correa-Morales, Fabián ; González-Acosta, Cassandra ; Sevilla-Reyes, Edgar E. ; Lira, Rosalia ; Alcaraz-Estrada, Sofía L. ; Yocupicio-Monroy, Martha Less -
Description:

We characterized natural vertical transmission of Zika virus in pools of Aedes aegypti larvae hatched from eggs collected in Jojutla, Morelos, Mexico. Of the 151 pools analyzed, 17 tested positive for Zika virus RNA; infectious Zika virus was successfully isolated from 1 of the larvae pools (31N) in C6/36 cells. Real-time quantitative PCR and indirect immunofluorescence assays confirmed the identity of the isolate, named Zika virus isolate 31N; plaque assays in Vero cells demonstrated the isolate's infectivity in a mammalian cell line. We obtained the complete genome of Zika virus isolate 31N by next-generation sequencing and identified 3 single-nucleotide variants specific to Zika virus isolate 31N using the meta-CATS tool. These results demonstrate the occurrence of natural vertical transmission of Zika virus in wild Ae. aegypti mosquitoes and suggest that this transmission mode could aid in the spread and maintenance of Zika virus in nature.
Subjects:

[+]

Aedes Aegypti Larvae Mosquitoes Natural Vertical Transmission Research Vector-borne Infections Viruses Zika Virus
Source:

Emerg Infect Dis. 25(8):1477-1484
Pubmed ID:

31310224
Pubmed Central ID:

PMC6649329
Document Type:

Journal Article
Place as Subject:

Mexico
Location:

North America
Collection(s):

Emerging Infectious Diseases
Main Document Checksum:

[+]

urn:sha256:1c5d6bd92d5f22df6427c671e15c23d9be5b48597e0da83443dae76193e7624f
Download URL:

https://stacks.cdc.gov/view/cdc/80321/cdc_80321_DS1.pdf
File Type:

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