Minor intron containing genes: Achilles' heel of viruses?
Wuchty, S.; White, A. K.; Olthof, A. M.; Drake, K.; Hume, A. J.; Olejnik, J.; Muehlberger, E.; Aguiar-Pulido, V.; Kanadia, R. N.
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The pandemic caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) revealed the worlds unpreparedness to deal with the emergence of novel pathogenic viruses, pointing to the urgent need to identify targets for broad-spectrum antiviral strategies. Here, we report that proteins encoded by Minor Intron-containing Genes (MIGs) are significantly enriched in datasets of cellular proteins that are leveraged by SARS-CoV-2 and other viruses. Pointing to a general gateway for viruses to tap cellular machinery, MIG-encoded proteins (MIG-Ps) that react to the disruption of the minor spliceosome are most important points of viral attack, suggesting that MIG-Ps may pan-viral drug targets. While contemporary anti-viral drugs shun MIG-Ps, we surprisingly found that anti-cancer drugs that have been repurposed to combat SARS-CoV-2, indeed target MIG-Ps, suggesting that such genes can potentially be tapped to efficiently fight viruses.
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