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. 2005 Oct 27;33(18):5965–5977. doi: 10.1093/nar/gki905

Figure 7.

Figure 7

Model for rpL3 feedback regulation. A canonically spliced isoform encodes the rpL3 protein. When present in excess, rpL3 down-regulates canonical splicing and up-regulates the alternative splicing of its own pre-mRNA. This reduces canonical mRNA and increases alternative mRNA. This latter isoform is unproductive and is subsequently eliminated by the NMD pathway.