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Table 1 Occurrence and prevalence of class 1 integron in Gram-negative microorganisms

From: Resistance integrons: class 1, 2 and 3 integrons

Date

Bacterial

Occurrence of class 1 integron and the array of gene cassettes

Sampling

References

2006

Shigella

EstX-aadA1 (3.85 %, 1/26)

Hiroshima prefecture, Japan; 2000–2004

[34]

2002

Salmonella

36.2 % (34/94); aadA2-bla (PSE-1) (61.76 % 21/34); aadA1-aadA2-bla (PSE-1) (38.23 %,13/34)

Animals, Japan

[33]

2000

V. cholerae

44/176; aadB-aadA2-blaP1-dfrA1-dfrA15

Thailand

[39]

2002

Burkholderia

29.4 % (5/17); oxa-aac (6′-1a)

Ireland

[38]

2004

Campylobacter

62/378

Ireland

[37]

2008

Enterobacteriaceae

50/226

Addenbrooke’s Hospital

[62]

2005

Escherichia coli

4/32 (12.5 %); sat-1-aadA

Meat and meat products, Norwey

[42]

2008

E. coli

59.5 % (355/597)

South Thailand

[65]

2011

E. coli

 

Preliminary study in Guangzhou, China

[3]

2009

P. aeruginosa

45.8 % (54/118)

Preliminary study in Guangzhou, China

[19]

2008

Serratia

1/30; aacC1-ORFX-ORFY-aadA1

Canada

[17]

2004

Stenotrophomonas maltophilia

22 % (20/93)

Kaohsiung Medical University

[36]

2013

P. aeruginosa

43 % 37/182

Guilan, Iran

[44]

2011

K. pneumoniae

18/26

Blood stream infections

[2]

2013

S. enteritidis

11.9 % (59)

Taiwan

[41]

2013

S. panama

40.0 % (20)

Taiwan

[41]

2010

P. aeruginosa

High prevalence

Iran

[40]

2009

Aeromonas

16/41 (39.02 %); dfrA15-cmlA4-aadA2

Hidalgo, Mexico

[32]