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Simple protocol for population (Sanger) sequencing for Zika virus genomic regions

Overview of attention for article published in Memórias do Instituto Oswaldo Cruz, November 2017
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Title
Simple protocol for population (Sanger) sequencing for Zika virus genomic regions
Published in
Memórias do Instituto Oswaldo Cruz, November 2017
DOI 10.1590/0074-02760170248
Pubmed ID
Authors

Gabriela Bastos Cabral, João Leandro de Paula Ferreira, Renato Pereira de Souza, Mariana Sequetin Cunha, Adriana Luchs, Cristina Adelaide Figueiredo, Luís Fernando de Macedo Brígido

Abstract

A number of Zika virus (ZIKV) sequences were obtained using Next-generation sequencing (NGS), a methodology widely applied in genetic diversity studies and virome discovery. However Sanger method is still a robust, affordable, rapid and specific tool to obtain valuable sequences. The aim of this study was to develop a simple and robust Sanger sequencing protocol targeting ZIKV relevant genetic regions, as envelope protein and nonstructural protein 5 (NS5). In addition, phylogenetic analysis of the ZIKV strains obtained using the present protocol and their comparison with previously published NGS sequences were also carried out. Six Vero cells isolates from serum and one urine sample were available to develop the procedure. Primer sets were designed in order to conduct a nested RT-PCR and a Sanger sequencing protocols. Bayesian analysis was used to infer phylogenetic relationships. Seven complete ZIKV envelope protein (1,571 kb) and six partial NS5 (0,798 Kb) were obtained using the protocol, with no amplification of NS5 gene from urine sample. Two NS5 sequences presented ambiguities at positions 495 and 196. Nucleotide analysis of a Sanger sequence and consensus sequence of previously NGS study revealed 100% identity. ZIKV strains described here clustered within the Asian lineage. The present study provided a simple and low-cost Sanger protocol to sequence relevant genes of the ZIKV genome. The identity of Sanger generated sequences with published consensus NGS support the use of Sanger method for ZIKV population studies. The regions evaluated were able to provide robust phylogenetic signals and may be used to conduct molecular epidemiological studies and monitor viral evolution.

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Mendeley readers

Mendeley readers

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Geographical breakdown

Country Count As %
Unknown 47 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 11 23%
Student > Bachelor 8 17%
Researcher 6 13%
Professor > Associate Professor 2 4%
Professor 2 4%
Other 4 9%
Unknown 14 30%
Readers by discipline Count As %
Medicine and Dentistry 7 15%
Biochemistry, Genetics and Molecular Biology 5 11%
Agricultural and Biological Sciences 4 9%
Immunology and Microbiology 3 6%
Pharmacology, Toxicology and Pharmaceutical Science 2 4%
Other 9 19%
Unknown 17 36%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 01 December 2017.
All research outputs
#20,663,600
of 25,382,440 outputs
Outputs from Memórias do Instituto Oswaldo Cruz
#1,185
of 1,502 outputs
Outputs of similar age
#339,783
of 446,465 outputs
Outputs of similar age from Memórias do Instituto Oswaldo Cruz
#16
of 27 outputs
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So far Altmetric has tracked 1,502 research outputs from this source. They receive a mean Attention Score of 4.6. This one is in the 13th percentile – i.e., 13% of its peers scored the same or lower than it.
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