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Table 1 Characteristics of OXA-181-producing Klebsiella pneumoniae clinical isolates

From: OXA-181-producing Klebsiella pneumoniae establishing in Singapore

Isolate

Hospital

Specimen

Date of Isolation

ST

16S rRNA methylase gene

β-lactamases

Plasmids

MIC (mg/L)

   
 

Size (kb)

Replicon(s)

IMP

MEM

ETP

FOX

CTX

CAZ

AZT

COL

TGC

LEV

GEN

AMK

KPO8

Hospital A

Tracheal aspirate

18/01/2011

17

armA

TEM-116, SHV-11, CTX-M-15, OXA-1

~97, ~170

A/C

>32

>32

>32

>256

>256

64

>256

0.125

2

0.25

>256

>256

KPO9

Hospital A

Sputum

8/02/2011

17

armA

TEM-1, SHV-11, CTX-M-15, OXA-1

~9, ~150, ~170

A/C

>32

>32

>32

>256

>256

64

>256

16

>256

>256

>256

>256

KPO7

Hospital A

Tracheal aspirate

9/12/2010

14

armA

TEM-1, SHV-1, CTX-M-15, OXA-1, OXA-9

~1.5, ~50, ~170, ~194

A/C, F

>32

>32

>32

>256

>256

>256

>256

0.25

12

>256

>256

>256

KPO26

Hospital A

Sputum

14/05/2011

14

ND

TEM-1, SHV-1, CTX-M-15, OXA-1, OXA-9

~1.6, ~194

A/C

>32

>32

>32

>256

>256

>256

>256

32

4

>256

>256

96

KPO6916

Hospital A

Blood

2/03/2012

14

armA

TEM-1, SHV-1, CTX-M-15, OXA-1, OXA-9

~1.6, ~50, ~170, ~194

A/C

8

8

>32

>256

>256

>256

>256

0.25

16

>256

>256

>256

KPO7431

Hospital B

Urine

22/02/2012

14

armA

TEM-1, SHV-11, CTX-M-15, OXA-1, OXA-9

~1.5, ~50, ~170, ~194

A/C, F

4

4

>32

>256

>256

>256

>256

0.25

8

>256

>256

>256

KPO83

Hospital C

Urine

30/12/2011

14

armA

TEM-1, SHV-1, CTX-M-15, OXA-1, OXA-9

~170

A/C

32

8

>32

>256

>256

>256

>256

0.5

16

32

>256

>256

KPO9–T

armA

OXA-181, CTX-M-15

~170

A/C

2

0.5

0.5

2

3

1

0.75

0.125

0.125

0.002

>256

>256

KPO26 –T

ND

OXA-181, OXA-9

~194

A/C

2

0.19

0.25

12

6

2

6

0.125

0.125

0.003

0.125

1

E. coli J53

0.125

0.016

0.04

1

0.064

0.25

0.064

0.125

0.064

0.004

0.125

0.125

  1. Legend:
  2. MIC, minimum inhibitory concentration; IPM, imipenem; MEM, meropenem; ETP, ertapenem; FOX, cefoxitin; CTX, cefotaxime; CAZ, ceftazidime; AZT, aztreonam; COL, colistin; TCG, tigecycline; LEV, levofloxacin; GEN, gentamicin; AMK, amikacin; KPO8, KPO9, KPO7, KPO26, KPO6916, KPO7431, KPO83 carbapenem-resistant K. pneumoniae clinical isolate; KP09-T, KP026-T, K. pneumoniae transconjugant from KP09, KP026; J53, E. coli recipient strain.