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Table 1 Comparison of hsp65 RFLP, rpo B RFLP patterns, 16 S rDNA sequences and conventional biochemical identification in 361 isolates with concordant results

From: Combined rpo B duplex PCR and hsp65 PCR restriction fragment length polymorphism with capillary electrophoresis as an effective algorithm for identification of Mycobacterial species from clinical isolates

rpo B RFLP pattern

hsp65 RFLP pattern

16 S rDNA sequence identification

Conventional biochemical

BACTEC culture number

Concordance rate

   

identification

  

T

M. tuberculosis type 1

M. tuberculosis

M. tuberculosis

200

100%(200/200)

 

NTM

NTM

NTM

161

91.4%(161/176)

A

M. abscessus type1

M. abscessus

M. abscessus

29

 

A

M. abscessus type 2

M. abscessus

M. abscessus

41

 

A

M. fortuitum type 1

M. fortuitum

M. fortuitum

33

 

A

M. fortuitum type 2

M. fortuitum

M. fortuitum

2

 

A

M. peregrinum type 1

M. peregrinum

M. fortuitum*

5

 

A

M. peregrinum type 2

M. peregrinum

M. fortuitum*

8

 

A

M. peregrinum type 3

M. peregrinum

M. fortuitum*

1

 

A

M. chelonae type 1

M. chelonae

M. chelonae

1

 

A

M. mucogenicum type 1

M. mucogenicum

M. mucogenicum

2

 

A

M. smegmatis type 1

M. smegmatis

M. smegmatis

2

 

B

M. avium subsp. avium type 2

M. avium subsp. avium

M. avium complex**

2

 

D

M. kansasii type 1

M. kansasii

M. kansasii

6

 

D

M. kansasii type 2

M. kansasii

M. kansasii

1

 

D

M. kansasii type 6

M. kansasii

M. kansasii

1

 

D

M. triviale type 1

M. triviale

M. triviale

1

 

F

M. malmoense type 1

M. malmoense

M. malmoense

2

 

F

M. szulgai type 1

M. szulgai

M. szulgai

1

 

F

M. interjectum type 1

M. interjectum

M. interjectum

1

 

G

M. intracellulare type 1

M. intracellulare

M. avium complex**

14

 

G

M. gordonae type 1

M. gordonae

M. gordonae

6

 

G

M. gordonae type 2

M. gordonae

M. gordonae

1

 

G

M. gordonae type 5

M. gordonae

M. gordonae

1

 

Total

   

361

 
  1. * M. peregrinum was identified as M. fortuitum by a conventional biochemical method.
  2. **M. avium subsp. avium and M. intracellulare were identified as M. avium complex by a conventional biochemical method.