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Updated: Jul 14, 2026
Detection of Tilapia Lake Virus Using Conventional RT-PCR and SYBR Green RT-qPCR
Published on: November 10, 2018
Reverse transcription, real-time PCR assay for detection of Toscana virus
Mercedes Pérez-Ruiz1, Ximena Collao, José-María Navarro-Marí
1Servicio de Microbiología, Hospital Universitario Virgen de las Nieves, Avda. Fuerzas Armadas, 2, 18014 Granada, Spain. mercedes.perez.ruiz.sspa@juntadeandalucia.es
Background:
The arthropod-borne Toscana virus is a common cause of acute neurological infection in the Mediterranean basin. Recently, a new lineage, highly divergent from the Italian prototype, has been reported in Spain.
Objective:
We describe a reverse transcription, real-time PCR assay for detection of both Toscana virus genotypes. The real-time PCR uses a TaqMan probe and an internal control to identify false negative results.
Study Design:
A conserved region of the two known lineages of Toscana virus, located at the 3' end of the small segment of their genomes, was chosen to design both the primers and the probe.
Results:
The sensitivity of the assay was 0.0158 TICD(50) per reaction of Toscana virus, equivalent to seven copies of cDNA. No other phleboviruses or RNA viruses were amplified by this specific real-time PCR.
Conclusions:
The assay seems to be sensitive, reliable and easy to be applied in the diagnosis of autochthonous and/or imported suspected cases of Toscana virus infection.
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