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“ISA-Lation” of Single-Stranded Positive-Sense RNA Viruses from Non-Infectious Clinical/Animal Samples

Abstract : Isolation of viral pathogens from clinical and/or animal samples has traditionally relied on either cell cultures or laboratory animal model systems. However, virus viability is notoriously susceptible to adverse conditions that may include inappropriate procedures for sample collection, storage temperature, support media and transportation. Using our recently described ISA method, we have developed a novel procedure to isolate infectious single-stranded positive-sense RNA viruses from clinical or animal samples. This approach, that we have now called "ISA-lation", exploits the capacity of viral cDNA subgenomic fragments to reassemble and produce infectious viral RNA in susceptible cells. Here, it was successfully used to rescue enterovirus, Chikungunya and Tick-borne encephalitis viruses from a variety of inactivated animal and human samples. ISA-lation represents an effective option to rescue infectious virus from clinical and/or animal samples that may have deteriorated during the collection and storage period, but also potentially overcomes logistic and administrative difficulties generated when complying with current health and safety and biosecu-rity guidelines associated with shipment of infectious viral material.
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Submitted on : Wednesday, December 2, 2015 - 10:33:53 AM
Last modification on : Wednesday, August 19, 2020 - 12:08:10 PM
Long-term archiving on: : Friday, April 28, 2017 - 11:48:43 PM

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Fabien Aubry, Antoine Nougairède, Lauriane de Fabritus, Géraldine Piorkowski, Ernest A Gould, et al.. “ISA-Lation” of Single-Stranded Positive-Sense RNA Viruses from Non-Infectious Clinical/Animal Samples. PLoS ONE, Public Library of Science, 2015, 10 (e0138703 ), ⟨10.1371/journal.pone.0138703⟩. ⟨hal-01236720⟩

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