Context-specific action of macrolide antibiotics on the eukaryotic ribosome

Svetlov, Maxim S.; Koller, Timm O.; Meydan, Sezen; Shankar, Vaishnavi; Klepacki, Dorota; Polacek, Norbert; Guydosh, Nicholas R.; Vázquez-Laslop, Nora; Wilson, Daniel N.; Mankin, Alexander S. (2021). Context-specific action of macrolide antibiotics on the eukaryotic ribosome. Nature Communications, 12(1) Springer Nature 10.1038/s41467-021-23068-1

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Macrolide antibiotics bind in the nascent peptide exit tunnel of the bacterial ribosome and prevent polymerization of specific amino acid sequences, selectively inhibiting translation of a subset of proteins. Because preventing translation of individual proteins could be beneficial for the treatment of human diseases, we asked whether macrolides, if bound to the eukaryotic ribosome, would retain their context- and protein-specific action. By introducing a single mutation in rRNA, we rendered yeast Saccharomyces cerevisiae cells sensitive to macrolides. Cryo-EM structural analysis showed that the macrolide telithromycin binds in the tunnel of the engineered eukaryotic ribosome. Genome-wide analysis of cellular translation and biochemical studies demonstrated that the drug inhibits eukaryotic translation by preferentially stalling ribosomes at distinct sequence motifs. Context-specific action markedly depends on the macrolide structure. Eliminating macrolide-arrest motifs from a protein renders its translation macrolide-tolerant. Our data illuminate the prospects of adapting macrolides for protein-selective translation inhibition in eukaryotic cells.

Item Type:

Journal Article (Original Article)

Division/Institute:

08 Faculty of Science > Department of Chemistry, Biochemistry and Pharmaceutical Sciences (DCBP)

Graduate School:

Graduate School for Cellular and Biomedical Sciences (GCB)

UniBE Contributor:

Ganapathy Shankar, Vaishnavi and Polacek, Norbert

Subjects:

500 Science > 570 Life sciences; biology
500 Science > 540 Chemistry

ISSN:

2041-1723

Publisher:

Springer Nature

Language:

English

Submitter:

Christina Schüpbach

Date Deposited:

03 Jun 2021 14:56

Last Modified:

03 Jun 2021 14:56

Publisher DOI:

10.1038/s41467-021-23068-1

BORIS DOI:

10.48350/156368

URI:

https://boris.unibe.ch/id/eprint/156368

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