2024
Durlobactam in combination with β-lactams to combat Mycobacterium abscessus
Shin E, Dousa K, Taracila M, Bethel C, Nantongo M, Nguyen D, Akusobi C, Kurz S, Plummer M, Daley C, Holland S, Rubin E, Bulitta J, Boom W, Kreiswirth B, Bonomo R. Durlobactam in combination with β-lactams to combat Mycobacterium abscessus. Antimicrobial Agents And Chemotherapy 2024, 69: e01174-24. PMID: 39714147, PMCID: PMC11823594, DOI: 10.1128/aac.01174-24.Peer-Reviewed Original ResearchDurlobactam, a Diazabicyclooctane β‑Lactamase Inhibitor, Inhibits BlaC and Peptidoglycan Transpeptidases of Mycobacterium tuberculosis
Nantongo M, Nguyen D, Bethel C, Taracila M, Li Q, Dousa K, Shin E, Kurz S, Nguyen L, Kreiswirth B, Boom W, Plummer M, Bonomo R. Durlobactam, a Diazabicyclooctane β‑Lactamase Inhibitor, Inhibits BlaC and Peptidoglycan Transpeptidases of Mycobacterium tuberculosis. ACS Infectious Diseases 2024, 10: 1767-1779. PMID: 38619138, DOI: 10.1021/acsinfecdis.4c00119.Peer-Reviewed Original ResearchConceptsESI-MSElectrospray ionization mass spectrometryIonization mass spectrometryB-lactamase inhibitorsAcyl-enzyme complexMycobacterial cell wall synthesisMolecular dockingMass spectrometryActive siteInhibit BlaCPeptidoglycan transpeptidaseDiazabicyclooctaneSynthesisAntibiotic susceptibility testingCell wall synthesisInhibition kineticsDrug targetsB-lactamaseDurlobactamSusceptibility testingComplexDockingSpectrometryWall synthesisPeptidoglycan synthesis
2020
Insights into the l,d-Transpeptidases and d,d-Carboxypeptidase of Mycobacterium abscessus: Ceftaroline, Imipenem, and Novel Diazabicyclooctane Inhibitors
Dousa K, Kurz S, Taracila M, Bonfield T, Bethel C, Barnes M, Selvaraju S, Abdelhamed A, Kreiswirth B, Boom W, Kasperbauer S, Daley C, Bonomo R. Insights into the l,d-Transpeptidases and d,d-Carboxypeptidase of Mycobacterium abscessus: Ceftaroline, Imipenem, and Novel Diazabicyclooctane Inhibitors. Antimicrobial Agents And Chemotherapy 2020, 64: 10.1128/aac.00098-20. PMID: 32393499, PMCID: PMC7526840, DOI: 10.1128/aac.00098-20.Peer-Reviewed Original ResearchConceptsCeftaroline fosamilB-lactamB-lactamaseNontuberculous mycobacteriaB-lactamase inhibitorsD-carboxypeptidaseB-lactam antibioticsCell wall synthesis proteinsCeftarolineImipenemDiazabicyclooctane inhibitorSteady-state kinetic assaysAvibactamHighest acylation ratesMechanism-based approachGt;100-foldRelebactamSynthesis proteinsD-transpeptidasesKinetic assaysAcylation rateInhibitors
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