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- W2974457118 abstract "Abstract A major constraint for developing new anti-tuberculosis drugs is the limited number of validated targets that allow eradication of persistent infections. Here, we uncover a vulnerable component of Mycobacterium tuberculosis (Mtb) persistence metabolism, the aspartate pathway. Rapid death of threonine and homoserine auxotrophs points to a distinct susceptibility of Mtb to inhibition of this pathway. Combinatorial metabolomic and transcriptomic analysis reveals that inability to produce threonine leads to deregulation of aspartate kinase, causing flux imbalance and lysine and DAP accumulation. Mtb’s adaptive response to this metabolic stress involves a relief valve-like mechanism combining lysine export and catabolism via aminoadipate. We present evidence that inhibition of the aspartate pathway at different branch-point enzymes leads to clearance of chronic infections. Together these findings demonstrate that the aspartate pathway in Mtb relies on a combination of metabolic control mechanisms, is required for persistence, and represents a target space for anti-tuberculosis drug development." @default.
- W2974457118 created "2019-09-26" @default.
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- W2974457118 date "2019-09-16" @default.
- W2974457118 modified "2023-10-15" @default.
- W2974457118 title "Derailing the aspartate pathway of Mycobacterium tuberculosis to eradicate persistent infection" @default.
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- W2974457118 doi "https://doi.org/10.1038/s41467-019-12224-3" @default.
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