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Table 1 Characteristics of the S. boydii isolates included in the study

From: Characterization of endemic Shigella boydii strains isolated in Iran by serotyping, antimicrobial resistance, plasmid profile, ribotyping and pulsed-field gel electrophoresis

Strain No.

Serotype

Resistance pattern*

Plasmid pattern

Ribotype

PFGE pattern

Date of isolation

1

2

STR (R1)

P6

I

A

Dec 2002

2

19

STR, SXT, NDA (R2)

P1

I

B

Feb 2002

3

2

STR, SXT, NDA, TET (R3)

P2

I

A

May 2003

4

2

STR, SXT, AMP, (R4)

P3

I

A

Aug 2003

5

2

STR, SXT, NDA, TET (R3)

P4

I

A

Sep 2003

6

14

STR, SXT, NDA, TET, AMX, C, AMP (R5)

P5

II

C

Sep 2003

7

2

STR, SXT, AMP (R4)

P6

I

A

Oct 2003

8

18

STR, SXT (R6)

P7

I

D

Oct 2003

9

2

STR, SXT (R6)

P6

I

A

Nov 2003

10

2

STR, SXT, AMP (R4)

P6

I

A

Nov 2003

  1. *AMP, ampicillin; AMX, amoxicillin-clavulanic acid; C, chloramphenicol; NDA, nalidixic acid; STR, streptomycin; TET, tetracycline; SXT, sulfamethoxazole-trimethoprim.