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Table 2 Minimum inhibitory concentrations (MICs) of NTM against 5 antimycobacterial drugs

From: Diagnostics, resistance and clinical relevance of non-tuberculous mycobacteria unidentified at the species level by line probe assays: a bi-national study

Patient

Species identified by tNGS/WGS

MIC (µg/ml)

AMI

CIP*

MXF

CLA

LZD

CZ281/19

M. neoaurum/

M. neoaurum

0.5 (S)

0.5 (S)

NE

0.25 (S)

NE

CZ377/22

M. neoaurum/

M. neoaurum

0.5 (S)

0.5 (S)

NE

NE

0.25 (S)

CZ573/23

M. neoaurum/

M. neoaurum

0.5 (S)

0.5 (S)

0.125 (S)

0.5 (S)

0.5 (S)

SVK95/23

M. neoaurum/

M. neoaurum

0.125 (S)

1 (S)

0.125 (S)

0.25 (S)

0.25 (S)

SVK407/23

M. neoaurum/NP

0.5 (S)

0.5 (S)

0.125 (S)

0.125 (S)

0.5 (S)

SVK408/23

M. neoaurum/NP

0.5 (S)

1 (S)

0.5 (S)

0.25 (S)

0.5 (S)

SVK432/23

M. neoaurum/NP

0.5 (S)

0.5 (S)

0.125 (S)

0.25 (S)

0.25 (S)

SVK231/23

M. neoaurum/NP

0.125 (S)

0.5 (S)

NE

0.5 (S)

0.25 (S)

CZ118/21

M. intracellulare -

M. kumamotonense/ Tsukamurella tyrosinosolvens

0.5 (S)

0.5 (S)

0.125 (S)

1.0 (S)

4.0 (S)

CZ126/21

M. kumamotonense/

M. kumamotonense

32.0 (I)

16.0 (R)

4.0 (R)

0.5 (S)

16.0 (I)

CZ19/23

M. kumamotonense/

M. kumamotonense

2.0 (S)

2.0

NE

NE

NE

CZ276/23

M. kumamotonense/

M. kumamotonense

1.0 (S)

1.0

0.5 (S)

1.0 (S)

4.0 (S)

CZ421/23

M. kumamotonense/

M. kumamotonense

4.0 (S)

4.0

2.0 (I)

4.0 (S)

32.0 (R)

CZ131/21

M. intracellulare - M. setense/

potential novel species

4.0 (S)

0.5 (S)

0.125 (S)

> 32.0 (R)

8.0 (S)

CZ614/21

M. chimaera - M. massiliense/

Streptococcus mitis (TYGS), M. branderi (NTMprofiler v0.2.2; 0.4.0)

32.0 (I)

16.0 (R)

0.5 (S)

1.0 (S)

32.0 (R)

CZ356/20

M. chimaera - M. vulneris/

M. intracellulare

4.0 (S)

4.0 (R)

0.5 (S)

0.5 (S)

16.0 (I)

CZ457/20

M. tuberculosis -

M. avium/

M. tuberculosis -

M. avium

NE

NE

NE

NE

NE

CZ523/21

M. setense/

M. setense

0.5 (S)

0.5 (S)

0.125 (S)

4.0 (S)

4.0 (S)

CZ265/20

M. arupense/

potential novel species

2.0 (S)

1.0 (S)

0.5 (S)

0.125 (S)

0.25 (S)

CZ18/23

M. arupense/NP

8.0 (S)

8.0 (R)

NE

NE

NE

SVK397/23

M. arupense/NP

4.0 (S)

1.0 (S)

0.25 (S)

0125 (S)

0.5 (S)

CZ118/23

NTM not detected/

M. celatum

0.5 (S)

2.0 (S)

0.25 (S)

0.5 (S)

32.0 (R)

CZ468/21

NTM not detected/

potential novel species

1.0 (S)

1.0 (S)

1.0 (S)

0.5 (S)

0.5 (S)

SVK300/23

M. arupense - M. yongonense/NP

4.0 (S)

1.0 (S)

NE

NE

0.25 (S)

CZ111/20

M. fluoranthenivorans/

M. fluoranthenivorans

0.5 (S)

0.5 (S)

NE

0.25 (S)

NE

SVK403/23

M. holsaticum/NP

0.5 (S)

0.5 (S)

0.125 (S)

0.25 (S)

0.25 (S)

CZ112/23

M. lentiflavum/

M. lentiflavum

0.5 (S)

0.5 (S)

NE

NE

NE

SVK1921/23

M. chimaera/NP

4.0 (S)

0.5 (S)

0.125 (S)

0.5 (S)

8.0 (S)

  1. *no recommended breakpoints for slow-growing mycobacteria by CLSI; NE– not evaluated; NP– not performed; R– resistant; I– intermediate; S– sensitive; AMI– amikacin; CIP– ciprofloxacin; MXF– moxifloxacin; CLA– clarithromycin; LZD– linezolid, tNGS– targeted next generation sequencing, boldface numbers indicate that isolate is resistant to specific drug