Blocking Bacterial Naphthohydroquinone Oxidation and ADP-Ribosylation Improves Activity of Rifamycins against Mycobacterium abscessus

Author:

Ganapathy Uday S.1,Lan Tian2,Krastel Philipp3,Lindman Marissa1,Zimmerman Matthew D.1,Ho HsinPin1,Sarathy Jansy P.1,Evans Joanna C.1,Dartois Véronique14ORCID,Aldrich Courtney C.2,Dick Thomas145ORCID

Affiliation:

1. Center for Discovery and Innovation, Hackensack Meridian Health, Nutley, New Jersey, USA

2. Department of Medicinal Chemistry, University of Minnesota, Minneapolis, Minnesota, USA

3. Natural Products Unit, Novartis Institutes for Biomedical Research, Novartis Pharma AG, Basel, Switzerland

4. Department of Medical Sciences, Hackensack Meridian School of Medicine, Nutley, New Jersey, USA

5. Department of Microbiology and Immunology, Georgetown University, Washington, DC, USA

Abstract

Rifampicin is an effective drug for treating tuberculosis (TB) but is not used to treat Mycobacterium abscessus infections due to poor in vitro activity. While rifabutin, another rifamycin, has better anti- M. abscessus activity, its activity is far from the nanomolar potencies of rifamycins against Mycobacterium tuberculosis .

Funder

HHS | National Institutes of Health

Publisher

American Society for Microbiology

Subject

Infectious Diseases,Pharmacology (medical),Pharmacology

Reference58 articles.

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2. Effect of Rifamycin on Protein Synthesis

3. The specific inhibition of the DNA-directed RNA synthesis by rifamycin

4. Molecular mechanism of the rifampicin-RNA polymerase interaction

5. Metabolism and Pharmacokinetics of the Antibiotic Rifampin

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