The following references use rabbit reticulocyte lysates as the basis for toeprinting experiments to better understand the mechanism of translation.
Weill, L. et al. (2010)Nucl. Acid, Res. 38, 1367–81. A combination of chemical/enzymatic analyses indicated that gag open reading frame of three viruses adopts a stable secondary structure that allows IRES mediated translation. Mutations that destabilized conserved elements severely inhibit translation. Additional analysis via toeprinting showed HIV-2 IRES has the unique ability to attract up to three initiation complexes on a single RNA molecule.
De Breyne, S. et al. (2008) RNA 14, 367–80. The Simian picornavirus type 9 (SPV9) genome contains a group of IRES that resembles hepacivirus/pestvirus (HP) IRES. Characterization of the initiation process using the toeprinting assay in correlation with other techniques revealed aspects that resemble initiation on the HP IRES and others that are unique to SPV9.
Andreev, D. et al. (2008) RNA 14, 233–39. Rel E is a well characterized toxin involved in the nutritional stress response in bacteria and archae. Rel lacks any eukaryote homolog. Based on toeprinting data, it was demonstrated that RelE cleaves mRNA in the A site of the eukaryote ribosome.
Latest posts by Gary Kobs (see all)
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