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Table 2 Distribution of β-lactamase genes in Enterobacteriaceae isolates (n = 361) of human and animal origin

From: Multiresistant extended-spectrum β-lactamase-producing Enterobacteriaceae from humans, companion animals and horses in central Hesse, Germany

Source Human Animal  
Outpatients Inpatients Dogs Cats Horses Total no. of isolates
No. of isolates a 55 128 67 11 100 361
Penicillinases b       
bla TEM-1 58.2 (32) 41.4 (53) 62.7 (42) 45.5 (5) 67 (67) 55.1 (199)
bla TEM-190    1.5 (1)    0.3 (1)
bla SHV-1   2.3 (3) 16.4 (11)   2 (2) 4.4 (16)
bla SHV-11   1.6 (2)     0.6 (2)
bla OXA-1 23.6 (13) 32.8 (42) 59.7 (40) 45.5 (5) 29 (29) 35.7 (129)
ESBL b       
bla TEM-52   2.3 (3)     0.8 (3)
bla SHV-2    1.5 (1) 9.1 (1)   0.6 (2)
bla SHV-5   0.8 (1)     0.3 (1)
bla SHV-28    3(2)   1(1) 0.8 (3)
bla CTX-M-1 32.7 (18) 45.3 (24) 16.4 (11) 27.3 (3) 37 (37) 25.8 (93)
bla CTX-M-2     9.1 (1) 15 (15) 4.4 (16)
bla CTX-M-9    3 (2) 9.1 (1) 1 (1) 1.1 (4)
bla CTX-M-14    1.5 (1)    0.3 (1)
bla CTX-M-15 54.5 (30) 51.6 (66) 59.7 (40) 36.4 (4) 38 (38) 49.3 (178)
bla CTX-M-32 1.8 (1) 0.8 (1)     0.6 (2)
bla CTX-M-38   0.8 (1)     0.3 (1)
bla CTX-M-79 1.8 (1) 2.3 (3)    1(1) 1.4 (5)
bla CTX-M-97 1.8 (1)     3(3) 1.1 (4)
bla CTX-M-117   0.8 (1)     0.3 (1)
Carbapenemases b       
bla OXA-48    23.9 (16) 18.2 (2) 1(1) 5.3 (19)
  1. anumerous isolates encoded for more than one β-lactamase gene.
  2. b% of β-lactamase genes (no. of isolates).