Inhibition of type II NADH dehydrogenase in Mycobacterium tuberculosis reveals collateral vulnerability in the electron transport chain

To sustain the anti-tuberculosis drug development pipeline, novel antibiotics must be developed both as standalone agents and as components of future combination regimens. To this end, tricyclic-spirolactams (TriSLa)-based inhibitors of mycobacterial type II NADH dehydrogenase (Ndh-2) represent a promising novel class of antibiotics, though activity is carbon source dependent. Initial studies established an enhanced understanding of the impact of TriSLa on mycobacteria using metabolomics and transcriptomics.

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