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Protocol for Detecting and Sequencing Chikungunya Virus from Field-Collected Mosquitoes

  • Cecília Artico Banho
  • , Olivia Borghi Nascimento
  • , Lívia Sacchetto
  • , Nikos Vasilakis
  • , Mauricio Lacerda Nogueira

Research output: Chapter in Book/Report/Conference proceeding › Chapter

Abstract

Arboviral diseases represent a major public health challenge, especially in tropical regions where environmental conditions may favor the proliferation and spread of mosquito vectors. Thus, early and accurate detection of chikungunya virus (CHIKV) in mosquito populations can be a valuable tool for effective surveillance of circulating variants and for identifying new viral introductions. Given the challenges of detecting arboviruses in field-captured mosquitoes, we describe an integrated workflow for CHIKV molecular detection and whole-genome sequencing. This protocol includes mosquito homogenization using a bead-based mechanical disruptor, RNA extraction using TRIzol reagent with minor modifications, molecular screening using CHIKV-specific RT-qPCR, and whole-genome amplification followed by sequencing on Illumina platforms. Despite the protocol being optimized for individual mosquitoes, it results in high-quality RNA suitable for both entomological surveillance and genomic analysis.

Original languageEnglish (US)
Title of host publicationChikungunya Virus
PublisherHumana Press Inc.
Pages347-364
Number of pages18
DOIs
StatePublished - 2027

Publication series

NameMethods in Molecular Biology
Volume3067
ISSN (Print)1064-3745
ISSN (Electronic)1940-6029

Keywords

  • Arbovirus
  • Chikungunya virus
  • RT-qPCR
  • Surveillance
  • Vector
  • Whole-genome sequencing

ASJC Scopus subject areas

  • Molecular Biology
  • Genetics

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