Skip to main content

Table 1 Prevalence of sul1, sul2 and sul3 genes in sulfonamide-resistant E. coli isolated from pig feces, pig carcasses and human stools

From: Prevalence and characterization of plasmids carrying sulfonamide resistance genes among Escherichia coli from pigs, pig carcasses and human

Origin

No. of isolates tested

No. of isolates with sul genes (percentage)

  

sul1 only

sul2 only

sul3 only

two sul genes

Human stool

26

6 (23%)

12 (46%)

0

8 (31%)a

Pig carcass

49

13 (27%)

21 (43%)

5 (10%)

10 (20%)b

Pig feces

34

10 (29%)

15 (44%)

3 (9%)

6 (18%)c

  1. a Six strains were positive for both sul1 and sul2; two strains contained both sul2 and sul3.
  2. b Seven strains contained both sul1 and sul2; one strain contained sul1 and sul3; and two strains harbored sul2 and sul3.
  3. c Six strains contained both sul1 and sul2.