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Systematic engineering for efficient production of nicotinamide mononucleotide from D-xylose and nicotinamide in Escherichia coli
doi: 10.1111/bjd.12002 17 Di CesareADi MeglioPNestleFO

It doesn't necessarily kill bacteria outright (that would be bactericidal)
Rouhier N, Lemaire SD, Jacquot JP (2008)