Mycobacterium tuberculosis whole genome sequence data support repurposing antileprosy antibiotic as antituberculosis
SAAD, J.; GALLOU, J.; BERIRU, N.; DRANCOURT, M.; BARON, S.
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BackgroundWe implanted WGS as the routine method to profile the antibiotic susceptibility of M. tuberculosis isolates focusing on in silico resistance to antileprosy drugs that we recently proposed to reposition for the treatment of pulmonary tuberculosis. MethodsWe prospectively performed WGS of 112 M. tuberculosis isolates recovered from respiratory tract samples of 106 patients diagnosed with pulmonary tuberculosis between 2017 and 2019 and defined their antibiotic susceptibility profile to 17 antibiotics including antileprotics drugs. ResultsWe incidentally observed 08 sequence variations in 07 genes, specific to seven sublineages. Altogether, we observed 09 (8%) rifampicin-resistant, 05 (4.4%) multidrug-resistant and 02 (1.7%) extensively-drug resistant isolates; whereas only one isolate exhibited in silico resistance to clofazimine. ConclusionThese results support repurposing of antileprosis antibiotics as antituberculosis; and offer new targets for genotyping M. tuberculosis.
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