Following with mechanisms of gene regulation at the RNA level, we discussed how translation can be repressed or activated by regulatory proteins and how can it be regulated via anti-sense RNA or alterations to ribosomes (we used phosphorilation of proteins in the ribosomal small subunit as an example).
We also discussed the role of RNA interference (RNAi) as a defense mechanism of eukaryotic cells against some viral infections, as a cell's mechanism for gene silencing, and as a research tool to study gene function by knocking-out genes.
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