Research Article

Identification of Species of Nontuberculous Mycobacteria Clinical Isolates from 8 Provinces of China

Table 3

Fragment lengths (base pairs) of the isolates with the patterns using the PRA-rpoB and PRA-hsp65 methods.

NumberSpecies-rpoB-hsp65Species ()Total
MspIHaeIIIBstpIHaeIII

1M. abscessus105, 95, 80135, 100, 90230, 210140, 70, 60, 50M. abscessus (44)44
2M. avium105, 80, 45, 40270230, 210130, 100, 60M. avium (73)73
3M. chelonae105, 95, 80130, 100, 90230, 210200, 70, 60, 50M. chelonae (1)1
4M. fortuitum175, 100, 70125, 85, 80230, 120, 80140, 120, 60, 55M. fortuitum (8)8
5145, 95, 40200, 90230, 120, 95145, 110, 40M. gordonae (2)12
145, 95, 40210, 95, 90235, 120, 85160, 115, 60M. gordonae (4)
175, 80, 40270230, 120, 80160, 110, 60M. gordonae (6)
6M. holsaticum105, 95, 90, 45215, 85, 40440140, 100, 60, 50M. holsaticum (1)1
7175, 100, 80180, 90230, 120, 95150, 125, 60, 40M. intracellulare (105)154
180, 90, 80185, 105240, 120, 100140, 125, 60, 40M. intracellulare (2)
180, 90180, 90, 80240, 120, 100140, 125, 60, 40M. intracellulare (47)
8Formerly M. massiliense100, 90, 80, 75125, 95, 85235, 210200, 70, 60, 50Formerly M. massiliense (4)4
9M. monacense359210, 90235, 130, 85160, 90, 60M. monacense (1)1
10M. neoaurum140, 95, 40200, 80300, 115170, 140, 40M. neoaurum (1)1
11M. seoulense120, 78, 70200, 100235, 210145, 130M. seoulense (1)1
12M. shimoidei160, 100, 40200, 70240, 140, 80140, 100, 70, 40M. shimoidei (1)1
13M. szulgai180, 80, 40200, 120440125, 110, 45M. szulgai (1)1
14Not identified221

Different types of M. gordonae showed different patterns that need more research in the future.
M. intracellulare displayed the different patterns in our study.
Number of fragment lengths that are not identified.
PRA: PCR-restriction fragment-length polymorphism analysis.