alexa Inhibition of essential bacterial peptidyl-tRNA hydrolase activity by tropical plant extracts.
Chemical Engineering

Chemical Engineering

Journal of Analytical & Bioanalytical Techniques

Author(s): McFeeters H, Gilbert MJ, Thompson RM, Setzer WN, CruzVera LR,

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Abstract Peptidyl-tRNA Hydrolase (Pth) is a highly conserved, essential enzyme in bacteria. It removes the peptide portion from peptidyl-tRNA, returning free tRNAs to participate in translation. Build-up of peptidyl-tRNAs is toxic and defects in Pth function result in cell death. Herein we use in vitro activity of recombinant E. coli Pth to screen tropical plant extracts for inhibition. Multiple extracts were found to have inhibitory activity with some exhibiting different inhibitory effects depending on extraction conditions. IC50 values ranged from 0.02 to > 53.8 microg of extract per 1 unit of Pth, holding promise for in vivo screening. The inhibitory components in these extracts may serve as lead compounds for development of novel antibacterials.
This article was published in Nat Prod Commun and referenced in Journal of Analytical & Bioanalytical Techniques

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