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Full-Text Articles in Biochemistry, Biophysics, and Structural Biology
Translation Of Partially Decayed Messenger Rnas In Yeast, Ana Luisa Franklin
Translation Of Partially Decayed Messenger Rnas In Yeast, Ana Luisa Franklin
Electronic Theses and Dissertations
Flaviviruses are positive-strand single-stranded RNA viruses that are known to form pseudo-knot RNA structures that halt the progression of 5’→3’ exonuclease Xrn1. We show that these viral Xrn1-resistant structures (xrRNAs) can be used to protect specific homologously-expressed messenger RNAs from 5’→3’ degradation. We investigated the effects of addition of xrRNAs, artificially-installed into the intergenic region of bicistronic mRNA reporters, in the observed levels of protein expression in yeast. The reporters also contain an internal ribosome entry site from the cricket paralysis virus (CrPV IRES) to allow for cap-independent translation of the decay-protected gene, LacZ, encoding the enzyme β-galactosidase. Through …