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. 2021 Apr 19;65(5):e02420-20. doi: 10.1128/AAC.02420-20

TABLE 4.

Characterization of M. abscessus EC/11770-resistant mutantsa

Strain Batch MIC (μM)b
CLR EC/11770 LeuS mutations
M. abscessus Bamboo 0.31 0.9 None
RM1 1 0.36 >100 LeuS A428P
RM2 1 0.38 >100 LeuS K502E
RM3 1 0.43 62 LeuS V417M
RM4 2 0.42 >100 LeuS T327R
RM5 2 0.46 75 LeuS V417M
a

MIC values are the mean of two independent experiments.

b

CLR, clarithromycin.