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Table 2 Beijing strains assayed in THP-1 cells

From: Characterization of Mycobacterium tuberculosis Beijing isolates from the Mediterranean area

Isolate code

Year of isolation

Strain No.

Nationality

Drug susceptibilitya

IS6110 copy no.b

Clustered/Orphan (+/-)c

RD Groupd

8687

2002

1

Spain

S

16

+

3

5204

2005

2

China

S

22

-

3

7992

2005

3

Ecuador

S

20

-

3

8281

2004

4

Armenia

S

21

-

3

6955

2003

5

Moldavia

S

16

-

3

6898

2005

6

Ecuador

S

9

-

3

5261

2006

7

Peru

INH-R

22

-

4

673

2006

8

Ecuador

S

13

+

3

1819

2005

9*

Brazil

S

NA

NA

3

1884

2005

10*

Peru

S

NA

NA

3

1284

2004

11*

Italy

INH-R SM-R

17

+

3

1538

2004

12*

Peru

S

20

+

3

1409

2004

13*

China

S

18

+

3

1254

2003

14*

China

S

21

+

3

838

2002

15*

China

S

11

-

2

1149

2003

16*

Chile

S

9

+

2

  1. a INH-R, isoniazid-resistant; SM-R, streptomycin-resistant; S, pan-susceptible.
  2. b Number of bands identified by RFLP. NA, not available.
  3. c + and - indicate clustered/orphan status of the strain. NA, not available.
  4. d Phylogenetic classification according to the presence or absence of the RD181, RD150, and RD142 genomic regions, according to Reed et al [18].
  5. * Isolates from Tuscany.