Comparative fitness analysis of D-cycloserine resistant mutants reveals both fitness-neutral and high-fitness cost genotypes

D-cycloserine (DCS) has been used for decades to treat Mycobacterium tuberculosis (Mtb) but resistance is rarely observed in clinical isolates. Here, the authors report ultra-low rate of emergence of resistance mutations as the underlying mechanism of DCS resistance evasion in Mtb.

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Autores principales: Dimitrios Evangelopoulos, Gareth A. Prosser, Angela Rodgers, Belinda M. Dagg, Bhagwati Khatri, Mei Mei Ho, Maximiliano G. Gutierrez, Teresa Cortes, Luiz Pedro S. de Carvalho
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2019
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Acceso en línea:https://doaj.org/article/cd1574c81b52465e9b1150a6fda379b5
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Sumario:D-cycloserine (DCS) has been used for decades to treat Mycobacterium tuberculosis (Mtb) but resistance is rarely observed in clinical isolates. Here, the authors report ultra-low rate of emergence of resistance mutations as the underlying mechanism of DCS resistance evasion in Mtb.