Perturbations of Ribosomal Protein Expression Reveal Overlapping Gene Networks between Drosophila Minutes and Human Cancer
Denton, J. A.; Velasque, M.; Reed, F. A.
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Ribosomal proteins (RPs) are critical to all cellular operations through their key roles in ribosome biogenesis and translation, as well as their extra-ribosomal functions. Leveraging previously identified RP mutants we characterised the RP macro transcriptome and sought to compare it with transcriptomes of pathologies associated with failures of ribosomal function, cancer and Zika virus (ZIKV). Single gene-based analysis revealed highly variable transcriptomes of RP mutations with little overlap in genes that were differentially expressed. In contrast, weighted gene co-expression network analysis revealed a highly conserved transcriptomic network pattern across all RP mutants studied. In addition, when we compared network changes in RP mutants, we observed similarities to transcriptome alterations in human cancer, and thus confirming the oncogenic role of RPs. Finally, it is known that ZIKV infection influences translational machinery, but this study shows infection network changes dissimilar to those of either the RP mutation or cancer.
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