Table 1 Resistance genes and genetic elements in antimicrobial resistant E. coli, Enterobacter spp., K. pneumoniae and Enterococcus spp. isolates from the feces of giant pandas in China

E. coli

Enterobacter

K. pneumoniae

Enterococcus

Aminoglycosides

acc (3)-IIa

1/5

0/9

0/1

–

aph (3′)-Iia

0/5

0/9

0/1

–

acc (6′)-Ib

0/5

0/9

1/1

–

ant (3″)-Ia

1/5

1/9

0/1

–

Macrolides

ermE

–

–

–

8/34

Quinolones

qnrA

0/8

–

0/3

–

qnrB

1/8

–

1/3

–

Sulfonamides

sul1

1/121

0/8

7/54

–

sul2

9/121

2/8

4/54

–

sul3

11/121

0/8

3/54

–

β-Lactams

bla_TEM

16/45

4/62

7/99

–

bla_VIM

0/45

0/62

2/99

–

bla_SHV

1/45

7/62

82/99

–

bla_CTX

8/45

5/62

8/99

–

bla_IPM

0/45

0/62

0/99

–

Tetracyclines

tetA

42/63

10/13

16/21

–

tetB

2/63

1/13

0/21

–

tetC

2/63

0/13

2/21

–

tetM

–

–

–

8/23

tetL

–

–

–

8/23