Abstract
The isolation of viral RNA with purity and integrity is a critical element for the overall success of viral diagnosis. The era of classical virology has transcended way beyond the labor-intensive manual method of RNA extraction to the modern-age efficient and simpler protocols. With an aim to obtain a RNA material free from carry over contaminants such as protein, unwarranted cellular genome, and chemicals, etc. there are three major techniques followed worldwide such as organic extraction viz phenol-guanidine isothiocyanate (GITC)-based solutions, silica-membrane-based spin column technology, and paramagnetic particle technology. The method of extraction and the flow of processes within a particular method would vary with the type of material being handled. The major considerations while extracting RNA from tissue sample would be eliminating endogenous RNase that would compromise RNA integrity. The final step of RNA extraction is the storage of the isolated genome, which solely depend upon the purpose with which the extraction was carried out. If the sample is not intended for immediate application, then several commercially available formulations such as FORMAzol and RNA stable have been found suitable for long-term storage.
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Mohanty, N.N., Gupta, V., Sarangi, L.N., Bhat, R., Shivachandra, S.B. (2022). Protocols for Isolation of Genetic Materials from RNA Viruses. In: Deb, R., Yadav, A.K., Rajkhowa, S., Malik, Y.S. (eds) Protocols for the Diagnosis of Pig Viral Diseases. Springer Protocols Handbooks. Humana, New York, NY. https://doi.org/10.1007/978-1-0716-2043-4_4
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DOI: https://doi.org/10.1007/978-1-0716-2043-4_4
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