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. 2017 Aug 15;8:1539. doi: 10.3389/fmicb.2017.01539

Table 1.

Antimycobacterial activities (μM) of top NTM hits identified in the Pathogen Box screen.

Compound ID M. tuberculosis M. abscessus M. avium Chemical class* Possible target*
MIC50 MIC90 Reported MICb MIC50 MIC90 Fold kill at MIC90 MIC50 MIC90 Fold kill at MIC90
MMV688756 <0.2 1.2 1.2 4.2 25 NK 0.4 4 NK Oxazolidinone 23S rRNA
MMV688327a 0.5 2 0.3 3.8 13 NK 4 35 NK Oxazolidinone 23S rRNA
MMV688508 <0.2 0.3 0.4 2.2 12 NK 0.6 8 NK Oxazolidinone 23S rRNA
MMV687146 <0.2 <0.2 <0.024 0.8 2 100 3 9 NK Indolecarboxamide MmpL3
MMV688846a 0.2 0.6 0.4 0.7 1.5 10 20 >50 NK Piperidinol MmpL3
MMV687730 <0.2 <0.2 0.05 4 8.5 10 5 22 NK Benzimidazole FtsZ
MMV687812a <0.2 2.2 1.2 6 12∧ NK∧ 25 >50 NK Aminopyrazinamide GyrB
MMV675968 <0.2 4 ND 10.5 35 NK 0.2 3 NK Diaminopyrimidine DHFR
MMV688845 <0.2 1.7 1.2 1.5 7 10 0.6 3 NK Phenylalaninamide RNA polymerase
MMV688844a 0.2 2.8 0.4 4.5 11 100 2 6# NK# Piperidine ABC transporter
clarithromycin ND ND ND <0.2 0.5 NK <0.2 0.6 NK Macrolide 23S rRNA
a

“M. abscessus-specific” hits according to primary screen cut-off.

b

MIC in M. tuberculosis as reported by MMV (website http://www.pathogenbox.org/).

∧

MMV687812, for M. abscessus 80% growth inhibition was achieved at 12 μM, MIC90 could not be reached up to 50 μM.

#

MMV688844, for M. avium 80% growth inhibition was achieved at 6 μM, MIC90 could not be reached up to 50 μM.

*

See discussion section for references.

MIC50, MIC90 refers to the compound concentration that inhibits 50 and 90% of bacterial growth, respectively.

NK, “no kill,” i.e., CFU reduction < 10-fold at MIC90; ND, not determined.