Abstract
The Coronavirus disease 2019 (COVID-19) pandemic is being addressed through RT-PCR, a frontline diagnostic technique. We evaluated gene expression patterns to improve the accuracy and sensitivity of current diagnostic tests. We downloaded relevant next-generation sequencing (NGS) data from the Sequence Read Archive (SRA) database, checked for quality, and mapped them onto the target reference sequence. It was determined that ORF1ab, N, S, and ORF8 genes are mainly expressed based on the results of the quantitative evaluation after normalization by HPRT and elimination of insufficient expression data. ORF8, ORF3a, and M genes were found to have higher expression values than the E gene as a routine RT-PCR detector gene (p*0.05). M gene expression values are also close to ORF8 values. Taking into account the importance of differential expression of genes in the design of diagnostic kits as well as the findings of from this study, it is likely that the M gene is worth further investigation due to its high expression and low mutation rate.
Published Version
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