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. 2020 Mar 31;9(4):152. doi: 10.3390/antibiotics9040152

Table 4.

Distribution of β-lactamase genes (%) in Enterobacteriaceae isolates of human cat and dog isolates.

Source Humans Cats Dogs
N°. of Isolate a E. coli
(n = 103)
C. freundii
(n = 4)
K. pneumoniae
(n = 3)
E. coli
(n = 53)
C. freundii
(n = 2)
K. pneumoniae
(n = 0)
E. coli
(n = 25)
C. freundii
(n = 10)
K. pneumoniae
(n = 0)
Penicillinases b
bla TEM-1 14.5 (15) 50 (2) 33.3 (1) 60 (30) 50 (1) 0 40 (10) 40 (4) 0
ESBL b 0 0
bla TEM-92 19.4 (20) 0 0 0 0
bla TEM-20 3.8 (8) 0 0 0 0
bla TEM-52 9.7 (10) 0 0 3.7 (2) 0 0 20 (5) 0 0
bla CTX-M-1 17.4 (18) 0 66.7 (2) 22.5 (8) 0 0 36 (9) 0 0
bla CTX-M-14 0 0 0 0 0 0 8 (2) 0 0
bla CTX-M-15 29.1 (30) 50 (2) 0 20.7 (11) 50 (1) 0 32 (8) 60(6) 0
AmpC b 0 0 0
bla MIR-1 19.4 (2) 0 0 0 0
blaCMY-2 0 0 0 3.7 (2) 4 (1) 0 0

a Numerous isolates encoded for more than one β-lactamase gene. b % of β-lactamase genes (n°. of isolates).