Ribosome-Mediated Attenuation of vga (A) Expression Is Shaped by the Antibiotic Resistance Specificity of Vga(A) Protein Variants

Author:

Vimberg Vladimir1,Cavanagh Jorunn Pauline23,Novotna Michaela1,Lenart Jakub14,Nguyen Thi Ngoc Bich1,Vesela Jana1,Pain Maria3,Koberska Marketa1,Balikova Novotna Gabriela1ORCID

Affiliation:

1. Institute of Microbiology of the Czech Academy of Sciences, Vestec, Czech Republic

2. Department of Pediatrics, University Hospital of North Norway, Tromsø, Norway

3. Department of Clinical Medicine, UiT–The Arctic University of Norway, Tromsø, Norway

4. Department of Genetics and Microbiology, Faculty of Science, Charles University, Prague, Czech Republic

Abstract

Vga(A) protein variants confer different levels of resistance to lincosamides, streptogramin A, and pleuromutilins (LS A P) by displacing antibiotics from the ribosome. Here, we show that expression of vga (A) variants from Staphylococcus haemolyticus is regulated by cis -regulatory RNA in response to the LS A P antibiotics by the mechanism of ribosome-mediated attenuation. The specificity of induction depends on Vga(A)-mediated resistance rather than on the sequence of the riboregulator.

Funder

Czech Science Foundation

Grant Agency of Charles University

Ministry of Education Youth and Sports

Publisher

American Society for Microbiology

Subject

Infectious Diseases,Pharmacology (medical),Pharmacology

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