Inhibition of Initiation, Elongation, and Termination of Eukaryotic Protein Synthesis by Trichothecene Fungal Toxins

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RESUMO

The 12,13-epoxytrichothecenes, specific inhibitors of protein synthesis in eukaryotes, can be subdivided further in terms of their mode of action. In addition to the I-type (initiation inhibitors) and E-types (elongation inhibitors), we found that some E-types apparently exhibit inhibition of chain termination at low concentrations. The nature of substituents on C4 may determine the type of inhibitory activity observed.

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